:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #0f172a;
  --text-secondary: #334155;
  --muted: #64748b;
  --border: #e2e8f0;
  --border-focus: #0f766e;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --primary-light: #f0fdfa;
  --secondary: #64748b;
  --secondary-dark: var(--neutral-fg);
  --success: #16a34a;
  --success-light: #dcfce7;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --warning: #d97706;
  --warning-light: #fef3c7;
  --success-fg: #15803d;
  --danger-fg: #b91c1c;
  --warning-fg: #92400e;
  --neutral-fg: #475569;
  --pending-bg: #ccfbf1;
  --pending-fg: #115e59;
  --info-fg: var(--primary-dark);
  --success-border: #bbf7d0;
  --danger-border: #fecaca;
  --warning-border: #fde68a;
  --info-border: #bfdbfe;
  --radius: 14px;
  color-scheme: light;
  --radius-sm: 10px;
  --radius-lg: 18px;
  --surface-2: #f1f5f9;
  --ring: 0 0 0 3px rgba(15, 118, 110, 0.28);
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.1);
  --shadow-md: 0 2px 4px -2px rgba(15, 23, 42, 0.1), 0 6px 16px -6px rgba(15, 23, 42, 0.14);
  --shadow-lg: 0 8px 24px -8px rgba(15, 23, 42, 0.18), 0 16px 40px -12px rgba(15, 23, 42, 0.12);
  --transition: 160ms cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
}

/* Self-hosted Inter variable font: no third-party font request. */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("/static/fonts/inter-latin-var.woff2") format("woff2");
}

* { box-sizing: border-box; }
*::before, *::after { box-sizing: border-box; }

html { font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap { width: 100%; max-width: 1000px; margin: 0 auto; padding: 0 20px; }

/* ==================== Topbar ==================== */
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 700; font-size: 1.125rem; }
.brand:focus-visible { outline: 2px solid var(--primary); outline-offset: 4px; border-radius: 6px; }
.brand-icon { width: 32px; height: 32px; object-fit: contain; flex-shrink: 0; }
.brand-text { white-space: nowrap; }
.topbar-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ==================== Mobile nav toggle / drawer chrome ==================== */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle svg { width: 22px; height: 22px; }
.nav-toggle:hover { background: var(--bg); border-color: var(--muted); }
.nav-toggle:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.tabs-head { display: none; }
.nav-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
}
.nav-close svg { width: 20px; height: 20px; }

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(15, 23, 42, 0.5);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity var(--transition);
}
.nav-overlay.show { opacity: 1; }
body.nav-open { overflow: hidden; }

/* ==================== Tabs ==================== */
.tabs {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: var(--topbar-h, 58px);
  z-index: 40;
  box-shadow: var(--shadow);
}
.tabs .wrap { display: flex; gap: 4px; overflow-x: auto; padding: 8px 0; }
.tabs a {
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  border-radius: 8px;
  border-bottom: none;
  transition: color var(--transition), background var(--transition);
}
.tabs a:hover { color: var(--text); background: var(--bg); }
.tabs a[aria-current="page"] { color: var(--primary); background: var(--primary-light); }
.tabs a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.tabs a.product-switch-link { display: inline-flex; align-items: center; gap: 7px; }
.tabs a.product-switch-link svg { width: 17px; height: 17px; flex: none; }

/* ==================== Auth pages ==================== */
.auth-body { background: var(--bg); }
.auth-main { flex: 1; display: flex; align-items: flex-start; justify-content: center; padding: 48px 16px; }
.auth-card { width: 100%; max-width: 440px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-md); padding: 32px; }
.auth-title { font-size: 1.5rem; font-weight: 700; margin: 0 0 6px; }
.auth-subtitle { color: var(--muted); font-size: 0.9375rem; margin: 0 0 24px; }
.auth-alt { text-align: center; margin: 20px 0 0; font-size: 0.875rem; color: var(--muted); }
.auth-alt a { color: var(--primary); font-weight: 600; text-decoration: none; }
.auth-alt a:hover { text-decoration: underline; }
.btn-block { width: 100%; }

.google-btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-weight: 600; }
.auth-divider { display: flex; align-items: center; gap: 12px; margin: 18px 0; color: var(--muted); font-size: 0.8125rem; }
.auth-divider::before, .auth-divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.alert { border-radius: var(--radius-sm); padding: 12px 16px; font-size: 0.875rem; margin-bottom: 16px; border: 1px solid transparent; }
.alert.error { background: var(--danger-light); color: var(--danger-fg); border-color: var(--danger-border); }
.alert.success { background: var(--success-light); color: var(--success-fg); border-color: var(--success-border); }
.alert.info { background: var(--primary-light); color: var(--primary-dark); border-color: var(--info-border); }

/* User announcements: deliberately louder than normal alerts. */
.announcement-list { display: grid; gap: 10px; margin-bottom: 16px; }
.announcement {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(45, 212, 191, 0.55);
  border-left: 5px solid #2dd4bf;
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.28), rgba(13, 148, 136, 0.12));
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  color: var(--text);
}
.announcement-icon { font-size: 1.25rem; line-height: 1.2; flex-shrink: 0; }
.announcement-body { min-width: 0; }
.announcement-body strong { display: block; margin-bottom: 4px; font-size: 1rem; color: var(--text); }
.announcement-body p { margin: 0; font-size: 0.9375rem; line-height: 1.45; color: var(--text-secondary); white-space: pre-wrap; }
.announcement.warning { border-color: rgba(245, 158, 11, 0.55); border-left-color: #f59e0b; background: linear-gradient(135deg, rgba(245, 158, 11, 0.26), rgba(180, 83, 9, 0.1)); }
.announcement.critical { border-color: rgba(239, 68, 68, 0.55); border-left-color: #ef4444; background: linear-gradient(135deg, rgba(239, 68, 68, 0.26), rgba(153, 27, 27, 0.1)); }
@media (max-width: 600px) {
  .announcement { padding: 14px; }
  .announcement-body strong { font-size: 0.9375rem; }
}

/* ==================== User menu ==================== */
.user-menu { display: inline-flex; align-items: center; gap: 10px; }
.user-name { display: inline-flex; align-items: center; gap: 8px; font-size: 0.8125rem; font-weight: 600; color: var(--text-secondary); }
.user-avatar { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 0.8125rem; font-weight: 700; flex-shrink: 0; }
.user-label { max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ==================== Accessibility ==================== */
.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 200;
  background: var(--primary);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  transition: top var(--transition);
}
.skip-link:focus { top: 12px; }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* Ensure interactive controls meet a comfortable touch target. */
.btn, .tabs a, .link-btn, .faq-item summary { min-height: 40px; }
.link-btn, .faq-item summary { display: inline-flex; align-items: center; }

/* ==================== Main ==================== */
main { flex: 1; padding: 24px 0; display: grid; gap: 20px; }

/* ==================== Hero ==================== */
.hero {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 56px 24px;
  text-align: center;
  margin-bottom: 8px;
}
.hero-content { max-width: 720px; margin: 0 auto; }
.hero-eyebrow { display: inline-block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--primary); background: var(--card); border: 1px solid var(--border); border-radius: 999px; padding: 5px 14px; margin-bottom: 20px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; line-height: 1.2; margin: 0 0 16px; color: var(--text); }
.hero-subtitle { font-size: clamp(1rem, 2.5vw, 1.25rem); color: var(--muted); margin: 0 0 32px; max-width: 600px; margin-left: auto; margin-right: auto; }
.hero-platforms { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-platform { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; background: var(--card); border: 1px solid var(--border); border-radius: 12px; color: var(--text-secondary); transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition); }
.hero-platform:hover { transform: translateY(-2px); border-color: var(--primary); box-shadow: var(--shadow-md); }
.hero-platform svg { width: 24px; height: 24px; }
.hero-cta { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* ==================== Landing sections ==================== */
.landing-section { padding: 48px 16px; max-width: 1000px; margin: 0 auto; }
.landing-title { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; text-align: center; margin: 0 0 12px; color: var(--text); }
.landing-lead { text-align: center; color: var(--muted); font-size: 1rem; max-width: 680px; margin: 0 auto 36px; }

/* Steps */
.steps { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 20px; padding: 0; margin: 0; counter-reset: step; }
.step { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; position: relative; box-shadow: var(--shadow); }
.step-number { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; font-size: 1rem; margin-bottom: 14px; }
.step h3 { margin: 0 0 8px; font-size: 1rem; font-weight: 600; }
.step p { margin: 0; color: var(--muted); font-size: 0.875rem; }

/* Platform cards */
.platform-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.platform-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.platform-card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.platform-card-head strong { font-size: 1rem; }
.platform-card p { margin: 0; color: var(--muted); font-size: 0.875rem; }

/* Feature cards */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.feature-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.feature-card h3 { margin: 0 0 8px; font-size: 1rem; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.feature-card h3::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); flex-shrink: 0; }
.feature-card p { margin: 0; color: var(--muted); font-size: 0.875rem; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; display: grid; gap: 10px; }
.faq-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 4px 20px; box-shadow: var(--shadow); }
.faq-item summary { cursor: pointer; font-weight: 600; padding: 14px 0; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.25rem; color: var(--muted); font-weight: 400; }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item summary:focus-visible { outline: 2px solid var(--primary); outline-offset: 4px; border-radius: 4px; }
.faq-item p { margin: 0 0 16px; color: var(--muted); font-size: 0.9375rem; }

/* CTA band */
.cta-band { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: #fff; border-radius: var(--radius); padding: 48px 24px; text-align: center; margin: 16px auto 0; max-width: 1000px; }
.cta-band h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 8px; }
.cta-band p { color: rgba(255, 255, 255, 0.85); margin: 0 0 24px; }
.cta-band .btn-primary { background: #fff; color: var(--primary); border-color: #fff; }
.cta-band .btn-primary:hover { background: #f0fdfa; }
.cta-band .btn-secondary { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.5); }
.cta-band .btn-secondary:hover { background: rgba(255, 255, 255, 0.1); border-color: #fff; }

/* ==================== Account ==================== */
.account-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.account-block { border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; background: var(--card); }
.account-block h3 { margin: 0 0 14px; font-size: 1rem; font-weight: 600; }
.account-block .actions { margin-top: 12px; }
.account-block .alert { margin-top: 12px; }

/* ==================== Payment / checkout ==================== */
.payment-card { max-width: 520px; }
.payment-summary { display: grid; gap: 10px; margin: 8px 0 20px; }
.summary-row { display: flex; justify-content: space-between; gap: 12px; font-size: 0.9375rem; }
.summary-row span { color: var(--muted); }
.summary-row strong { color: var(--text); }
.summary-row.total { border-top: 1px solid var(--border); padding-top: 12px; margin-top: 4px; font-weight: 700; font-size: 1.0625rem; }
.payment-note { font-size: 0.8125rem; margin-top: 14px; text-align: center; }

/* ==================== Pricing ==================== */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
.pricing-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; background: var(--card); display: flex; flex-direction: column; gap: 12px; transition: border-color var(--transition), box-shadow var(--transition); }
.pricing-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); }
.pricing-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.pricing-head h3 { margin: 0; font-size: 1.0625rem; font-weight: 700; }
.pricing-badge { font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.03em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; background: var(--success-light); color: var(--success-fg); }
.pricing-badge.muted { background: var(--bg); color: var(--muted); border: 1px solid var(--border); }
.pricing-price { font-size: 1.75rem; font-weight: 700; color: var(--text); }
.pricing-per { font-size: 0.8125rem; font-weight: 500; color: var(--muted); margin-left: 4px; }
.pricing-term { margin: 0; font-size: 0.8125rem; color: var(--muted); }
.pricing-details { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 6px; font-size: 0.875rem; }
.pricing-details li { display: flex; justify-content: space-between; gap: 12px; }
.pricing-details li span { color: var(--muted); }
.pricing-details li.save strong { color: var(--success-fg); }
.pricing-total { border-top: 1px solid var(--border); padding-top: 8px; margin-top: 4px; font-weight: 700; }
.pricing-total strong { color: var(--text); }
.pricing-card .btn { margin-top: auto; }

/* ==================== Subscription banner ==================== */
.sub-banner { border-radius: var(--radius); padding: 14px 18px; margin-bottom: 16px; font-size: 0.9375rem; border: 1px solid var(--border); background: var(--card); display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; }
.sub-banner strong { font-weight: 700; }
.sub-banner.trial { background: var(--primary-light); border-color: var(--info-border); color: var(--primary-dark); }
.sub-banner.active { background: var(--success-light); border-color: var(--success-border); color: var(--success-fg); }
.sub-banner.expired { background: var(--warning-light); border-color: var(--warning-border); color: var(--warning-fg); }

/* ==================== Dashboard ==================== */
.onboarding { border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 28px; background: linear-gradient(180deg, var(--primary-light, rgba(15,118,110,.06)), transparent); }
.onboarding-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.onboarding-title { font-size: 1.25rem; margin: 0; }
.onboarding-progress { height: 8px; border-radius: 999px; background: var(--border); overflow: hidden; margin-bottom: 8px; }
.onboarding-bar { height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--primary), #0d9488); transition: width .4s ease; }
.onboarding-count { font-size: 0.8125rem; margin: 0 0 18px; }
.checklist { display: grid; gap: 10px; margin-bottom: 0; }
.checklist-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  flex-wrap: wrap;
}
.checklist-item.done { background: var(--success-light); border-color: var(--success-border); }
.checklist-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--card);
  color: #fff;
  font-weight: 700;
  font-size: 0.8125rem;
  flex-shrink: 0;
}
.checklist-item.done .checklist-mark { background: var(--success); border-color: var(--success); }
.checklist-body { flex: 1; min-width: 180px; }
.checklist-body strong { display: block; font-size: 0.9375rem; }
.checklist-body p { margin: 2px 0 0; font-size: 0.8125rem; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 28px; }
.stat-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.stat-card.ok { background: var(--success-light); border-color: var(--success-border); }
.stat-card.bad { background: var(--danger-light); border-color: var(--danger-border); }
.stat-value { font-size: 1.75rem; font-weight: 700; line-height: 1.1; color: var(--text); }
.stat-label { font-size: 0.8125rem; font-weight: 600; margin-top: 4px; color: var(--text-secondary); }
.stat-hint { font-size: 0.75rem; color: var(--muted); margin-top: 2px; }

.dashboard-subhead { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 0 12px; }
.dashboard-subhead h3 { font-size: 1rem; font-weight: 600; margin: 0; }
.dashboard-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.link-btn { background: none; border: none; color: var(--primary); font: inherit; font-size: 0.8125rem; font-weight: 600; cursor: pointer; padding: 4px 6px; border-radius: 6px; }
.link-btn:hover { background: var(--primary-light); }
.link-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ==================== Cards ==================== */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.card-header { margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.card-header h2 { font-size: 1.25rem; font-weight: 600; margin: 0 0 6px; }
.card-description { color: var(--muted); font-size: 0.875rem; margin: 0; }

/* ==================== Forms ==================== */
.field { margin-bottom: 20px; }
.field-label { display: flex; align-items: center; font-weight: 500; font-size: 0.875rem; margin-bottom: 8px; color: var(--text-secondary); }
.field-label .optional { font-weight: 400; color: var(--muted); font-size: 0.75rem; margin-left: 6px; }
.field small { color: var(--muted); font-size: 0.75rem; display: block; margin-top: 6px; }
.step-badge { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; background: var(--primary-light); color: var(--primary); font-size: 0.75rem; font-weight: 700; margin-right: 10px; flex-shrink: 0; }
.field-warning { color: var(--warning); font-size: 0.8125rem; margin: 8px 0 0; }
.composer-summary { margin: 8px 0 16px; padding: 12px 16px; background: var(--primary-light); border: 1px solid var(--info-border); border-radius: var(--radius-sm); color: var(--primary-dark); font-size: 0.875rem; }

input[type="file"], input[type="date"], input[type="time"], input[type="text"], textarea, select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 1rem;
  background: var(--card);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-light);
}
input::placeholder, textarea::placeholder { color: var(--muted); }
input[type="file"] { padding: 0; }
textarea { resize: vertical; min-height: 120px; }

/* ==================== Upload Area ==================== */
.upload-area { position: relative; cursor: pointer; transition: border-color var(--transition), background var(--transition); }
.upload-area:hover, .upload-area.drag-over { border-color: var(--primary); background: var(--primary-light); }
.upload-area:focus-visible { outline: none; border-color: var(--border-focus); box-shadow: 0 0 0 3px var(--primary-light); }
.upload-placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px 24px; text-align: center; }
.upload-icon { width: 48px; height: 48px; color: var(--muted); margin-bottom: 12px; transition: color var(--transition); }
.upload-area:hover .upload-icon { color: var(--primary); }
.upload-placeholder span { font-weight: 500; color: var(--text-secondary); margin-bottom: 4px; }
.upload-placeholder small { color: var(--muted); font-size: 0.75rem; }
.preview { margin-top: 12px; border-radius: var(--radius-sm); overflow: hidden; background: var(--bg); }
.preview img, .preview video { width: 100%; height: auto; max-height: 300px; object-fit: cover; display: block; }
.preview video { background: #000; }

/* ==================== Caption ==================== */
.caption-wrapper { position: relative; }
.caption-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; flex-wrap: wrap; gap: 8px; }
.caption-count { font-variant-numeric: tabular-nums; font-family: var(--font-mono); font-size: 0.75rem; color: var(--muted); }
.caption-count.warning { color: var(--warning); }
.caption-count.danger { color: var(--danger); }

/* ==================== Platform Picker ==================== */
.platform-picker { display: flex; flex-wrap: wrap; gap: 8px; min-height: 48px; }
.platform-picker label {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  background: var(--card);
  color: var(--text-secondary);
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.platform-picker label:hover { border-color: var(--primary); color: var(--primary); }
.platform-picker label.checked { border-color: var(--primary); background: var(--primary-light); color: var(--primary); }
.platform-picker label.disabled { opacity: 0.55; cursor: not-allowed; }
.platform-picker input { position: absolute; opacity: 0; pointer-events: none; }
.platform-picker input:focus-visible + span { outline: 2px solid var(--primary); outline-offset: 2px; }
.platform-name { font-weight: 500; }
.platform-note { font-size: 0.6875rem; font-weight: 500; color: var(--muted); }
.platform-picker label.checked .platform-note { color: var(--primary); }
#btn-remove-media { margin-top: 8px; }

/* ==================== Radio / Schedule ==================== */
.publish-options { padding: 0; border: none; margin: 0; }
.radio-row { display: flex; flex-wrap: wrap; gap: 20px; }
.radio-row label { display: inline-flex; align-items: center; gap: 8px; font-size: 0.9375rem; font-weight: 500; cursor: pointer; color: var(--text-secondary); }
.radio-row input { accent-color: var(--primary); width: 18px; height: 18px; }
.schedule-fields { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.schedule-fields .field { flex: 1 1 200px; margin-bottom: 0; }

/* ==================== Buttons ==================== */
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }
.btn-secondary { background: var(--card); border-color: var(--border); color: var(--text); }
.btn-secondary:hover:not(:disabled) { background: var(--bg); border-color: var(--muted); }
.btn-danger { background: var(--danger-light); border-color: var(--danger); color: var(--danger); }
.btn-danger:hover:not(:disabled) { background: var(--danger); color: #fff; }
.btn-small { padding: 8px 14px; font-size: 0.8125rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-loader { width: 18px; height: 18px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin 0.75s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ==================== Badges ==================== */
.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  line-height: 1;
}
.badge-demo { background: var(--warning-light); color: var(--warning-fg); }
.badge-success { background: var(--success-light); color: var(--success-fg); }
.badge-fail { background: var(--danger-light); color: var(--danger-fg); }
.badge-pending { background: var(--pending-bg); color: var(--pending-fg); }
.badge-muted { background: var(--bg); color: var(--neutral-fg); border: 1px solid var(--border); }
.badge-demo-result { background: var(--warning-light); color: var(--warning-fg); }
.badge-hidden { display: none !important; }

/* ==================== Platform Picker Status ==================== */
.platform-picker label { position: relative; }
.platform-picker input[type="checkbox"] { position: absolute; opacity: 0; pointer-events: none; }
.platform-picker label::before {
  content: "";
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-radius: 4px;
  background: var(--card);
  transition: all var(--transition);
  flex-shrink: 0;
}
.platform-picker label:hover::before { border-color: var(--primary); }
.platform-picker label.checked::before {
  background: var(--primary);
  border-color: var(--primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z'/%3E%3C/svg%3E");
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
}

/* ==================== Results ==================== */
.results {
  margin-top: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--bg);
}
.results h3 { margin: 0 0 16px; font-size: 1rem; font-weight: 600; }
.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.9375rem;
  gap: 16px;
  flex-wrap: wrap;
}
.result-row:last-of-type { border-bottom: none; }
.result-row .name { font-weight: 500; color: var(--text); }
.result-row .ok { color: var(--success); font-weight: 600; }
.result-row .bad { color: var(--danger); font-weight: 600; }
.results .btn { margin-top: 16px; }
.error-text { color: var(--danger); font-size: 0.8125rem; margin-top: 4px; word-break: break-word; }

.results-head h3 { margin: 0 0 4px; font-size: 1.0625rem; font-weight: 600; }
.results-summary { margin: 0 0 16px; color: var(--muted); font-size: 0.875rem; }
.result-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.result-item { display: flex; align-items: flex-start; gap: 12px; padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--card); }
.result-item.success { border-color: var(--success-border); }
.result-item.failed { border-color: var(--danger-border); }
.result-icon { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%; font-weight: 700; font-size: 0.875rem; flex-shrink: 0; }
.result-item.success .result-icon { background: var(--success-light); color: var(--success-fg); }
.result-item.failed .result-icon { background: var(--danger-light); color: var(--danger-fg); }
.result-item.pending .result-icon { background: var(--bg); color: var(--neutral-fg); }
.result-body { flex: 1; min-width: 0; }
.result-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.result-top strong { font-size: 0.9375rem; }
.result-status { font-size: 0.8125rem; font-weight: 600; color: var(--text-secondary); }
.result-item.success .result-status { color: var(--success-fg); }
.result-item.failed .result-status { color: var(--danger-fg); }
.result-link { font-size: 0.8125rem; font-weight: 600; color: var(--primary); text-decoration: none; }
.result-link:hover { text-decoration: underline; }
.result-body .error-text { margin-top: 4px; }

/* ==================== Connections ==================== */
.status-legend { display: grid; gap: 8px; margin-bottom: 20px; padding: 16px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.status-legend span { display: flex; align-items: center; gap: 10px; font-size: 0.8125rem; color: var(--muted); }
.connections { display: grid; gap: 12px; }
.connection {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  flex-wrap: wrap;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.connection:hover { border-color: var(--muted); box-shadow: var(--shadow); }
.connection-info { flex: 1; min-width: 200px; }
.connection .name { display: flex; align-items: center; gap: 10px; font-weight: 600; flex-wrap: wrap; }
.connection .meta { font-size: 0.8125rem; color: var(--muted); margin-top: 4px; }
.connection .error-text { margin-top: 8px; font-size: 0.75rem; }
.connection-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.platform-avatar { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 8px; background: var(--primary-light); color: var(--primary); font-weight: 700; font-size: 0.875rem; flex-shrink: 0; }
.connection .badge { flex-shrink: 0; }
.connection .account-list { flex: 1 1 100%; display: grid; gap: 8px; margin-top: 12px; }
.connection .account-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 10px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.connection .account-info { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.connection .account-name { font-weight: 600; font-size: 0.875rem; }

/* ==================== Filter bar ==================== */
.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.filter-bar select, .filter-bar input[type="search"] {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 0.875rem;
  background: var(--card);
  color: var(--text);
}
.filter-bar select:focus, .filter-bar input[type="search"]:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.filter-bar select { min-width: 150px; }
.filter-bar input[type="search"] { flex: 1; min-width: 180px; }

/* ==================== Lists / Posts ==================== */
.list { display: grid; gap: 16px; }

/* Defer rendering work for off-screen list rows. This is not DOM windowing,
   but it keeps long post/media/calendar lists from blocking first paint. */
.list > *,
.calendar-list > * {
  content-visibility: auto;
  contain-intrinsic-size: auto 120px;
}
.post-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: grid;
  gap: 12px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.post-item:hover { border-color: var(--muted); box-shadow: var(--shadow); }
.post-item .row { display: flex; gap: 16px; align-items: flex-start; }
.post-item .thumb {
  width: 80px; height: 80px; border-radius: var(--radius-sm); object-fit: cover;
  background: var(--bg); flex-shrink: 0;
}
.post-item .caption { font-size: 0.9375rem; word-break: break-word; line-height: 1.5; }
.post-item .when { font-size: 0.75rem; color: var(--muted); margin-top: 2px; }
.post-item-body { flex: 1; min-width: 0; }
.post-status-line { margin-top: 8px; }
.post-status { display: inline-flex; align-items: center; font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; padding: 3px 10px; border-radius: 999px; background: var(--bg); color: var(--muted); border: 1px solid var(--border); }
.post-status.status-published { background: var(--success-light); color: var(--success-fg); border-color: var(--success-border); }
.post-status.status-partially_published { background: var(--warning-light); color: var(--warning-fg); border-color: var(--warning-border); }
.post-status.status-failed { background: var(--danger-light); color: var(--danger-fg); border-color: var(--danger-border); }
.post-status.status-scheduled { background: var(--primary-light); color: var(--primary-dark); border-color: var(--info-border); }
.post-status.status-publishing { background: var(--primary-light); color: var(--primary-dark); border-color: var(--info-border); }
.post-status.status-cancelled { background: var(--bg); color: var(--neutral-fg); text-decoration: line-through; }
.overdue { color: var(--warning-fg); font-weight: 600; }
.post-item .targets { display: flex; flex-wrap: wrap; gap: 8px; }
.post-metrics { margin-top: 8px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); font-size: 0.8125rem; }
.post-metrics .metrics-row { color: var(--muted); }
.post-metrics .metrics-row + .metrics-row { margin-top: 2px; }
.target-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
}
.target-chip.success { border-color: var(--success-border); background: var(--success-light); color: var(--success-fg); }
.target-chip.failed { border-color: var(--danger-border); background: var(--danger-light); color: var(--danger-fg); }
.target-chip.pending { background: var(--bg); color: var(--neutral-fg); }
.post-item .actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.error-text { color: var(--danger); font-size: 0.75rem; word-break: break-word; }

/* ==================== Toast ==================== */
.toast {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 100;
  background: var(--text);
  color: #fff;
  padding: 14px 20px;
  border-radius: var(--radius);
  max-width: 380px;
  font-size: 0.9375rem;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  display: flex;
  align-items: center;
  gap: 12px;
}
@keyframes slideIn { from { opacity: 0; transform: translateX(100%); } to { opacity: 1; transform: translateX(0); } }
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }
.toast.hidden { display: none !important; }

/* ==================== Settings ==================== */
.settings { display: grid; gap: 10px; }
.setting-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 12px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.9375rem;
}
.setting-row:last-child { border-bottom: none; }
.setting-row > span:first-child { color: var(--muted); font-weight: 500; }
.setting-row > span:last-child { font-weight: 500; color: var(--text); text-align: right; flex: 1; }
.target-chip { white-space: nowrap; }

/* ==================== Footer ==================== */
.footer {
  margin-top: auto;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  background: var(--card);
}
.footer .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer p { margin: 0; font-size: 0.8125rem; color: var(--muted); }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-size: 0.8125rem; text-decoration: none; transition: color var(--transition); }
.footer-links a:hover { color: var(--primary); }

/* ==================== Hidden Utility ==================== */
.hidden { display: none !important; }
.muted { color: var(--muted); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* ==================== Empty States ==================== */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 48px 24px; text-align: center; color: var(--muted); }
.empty-state svg { width: 64px; height: 64px; margin-bottom: 16px; opacity: 0.5; }
.empty-state h3 { margin: 0 0 8px; font-size: 1.125rem; font-weight: 600; color: var(--text-secondary); }
.empty-state p { margin: 0; max-width: 320px; }
.empty-state .btn { margin-top: 16px; }

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
  .topbar { padding: 10px 0; }
  .topbar-inner { gap: 12px; }
  .brand-text { display: none; }
  .brand { padding: 4px; }
  .tabs { top: var(--topbar-h, 50px); }
  .tabs .wrap { padding: 6px 0; }
  .tabs a { padding: 8px 12px; font-size: 0.8125rem; }
  main { padding: 16px 0; gap: 16px; }
  .hero { padding: 32px 16px; }
  .landing-section { padding: 32px 4px; }
  .cta-band { padding: 32px 20px; margin-left: 4px; margin-right: 4px; }
  .card { padding: 20px; }
  .card-header { margin-bottom: 20px; padding-bottom: 12px; }
  .wrap { padding: 0 16px; }
  .hero-platforms { gap: 12px; }
  .hero-platform { width: 40px; height: 40px; }
  .hero-platform svg { width: 20px; height: 20px; }
  .post-item .row { flex-direction: column; }
  .post-item .thumb { width: 100%; height: auto; max-height: 240px; aspect-ratio: 16/9; }
  .schedule-fields .field { flex: 1 1 100%; }
  .actions .btn { flex: 1 1 100%; }
  .dashboard-columns { grid-template-columns: 1fr; gap: 20px; }
  .footer .wrap { flex-direction: column; text-align: center; }
  /* Comfortable touch targets and full-width controls on small screens. */
  .btn, .tabs a, .link-btn { min-height: 44px; }
  .filter-bar select, .filter-bar input[type="search"] { width: 100%; }
  .flex-col { flex-direction: column; }
}

@media (max-width: 480px) {
  .topbar { padding: 8px 0; }
  main { padding: 12px 0; }
  .card { padding: 16px; }
  .hero { padding: 24px 12px; }
  .wrap { padding: 0 12px; }
  .field { margin-bottom: 16px; }
  .btn-lg { padding: 12px 20px; font-size: 0.9375rem; }
}

/* ==================== Theme: dark ==================== */
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b1220;
  --card: #111a2e;
  --text: #e6edf7;
  --text-secondary: #c2ccdb;
  --muted: #93a1b5;
  --border: #27344c;
  --border-focus: #2dd4bf;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --primary-light: #042f2e;
  --secondary: #94a3b8;
  --secondary-dark: #cbd5e1;
  --success: #22c55e;
  --success-light: #12301f;
  --success-fg: #7ee2a8;
  --success-border: #1f5138;
  --danger: #ef4444;
  --danger-light: #3a1719;
  --danger-fg: #fca5a5;
  --danger-border: #5c2226;
  --warning: #f59e0b;
  --warning-light: #3a2c12;
  --warning-fg: #fcd34d;
  --warning-border: #5c4620;
  --neutral-fg: #a9b6c8;
  --pending-bg: #1e293b;
  --pending-fg: #99f6e4;
  --info-fg: #bfdbfe;
  --info-border: #1e3a5f;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.5), 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
}
[data-theme="dark"] .preview video { background: #000; }
[data-theme="dark"] img.thumb,
[data-theme="dark"] .preview img { background: var(--bg); }

/* ==================== Theme toggle ==================== */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  font-size: 1.05rem;
  line-height: 1;
  transition: background var(--transition), border-color var(--transition);
}
.theme-toggle:hover { background: var(--bg); border-color: var(--muted); }
.theme-toggle:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ==================== Polish: hero, mockup, proof, FAQ ==================== */
.hero { position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto -10%;
  height: 560px;
  background:
    radial-gradient(55% 60% at 50% 0%, rgba(15, 118, 110, 0.22), transparent 70%),
    radial-gradient(45% 50% at 82% 18%, rgba(13, 148, 136, 0.18), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero-content { position: relative; z-index: 1; }

/* Primary button: gradient + lift */
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #0d9488);
  border-color: transparent;
  box-shadow: 0 6px 16px -6px rgba(15, 118, 110, 0.6);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--primary-dark), #0f766e);
  transform: translateY(-1px);
  box-shadow: 0 10px 22px -8px rgba(15, 118, 110, 0.7);
}
.btn-primary:active:not(:disabled) { transform: translateY(0); }

.trust-list {
  display: flex; gap: 18px; justify-content: center; flex-wrap: wrap;
  color: var(--muted); font-size: 0.8125rem; margin-top: 16px;
}
.trust-list span { display: inline-flex; align-items: center; gap: 6px; }
.trust-list svg { width: 15px; height: 15px; color: var(--success); flex-shrink: 0; }

/* Hero product mockup */
.hero-mockup { max-width: 880px; margin: 44px auto 0; position: relative; z-index: 1; }
.mock-window {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  box-shadow: var(--shadow-lg); overflow: hidden;
}
.mock-bar {
  display: flex; align-items: center; gap: 8px; padding: 12px 14px;
  border-bottom: 1px solid var(--border); background: var(--bg);
}
.mock-dot { width: 11px; height: 11px; border-radius: 50%; background: var(--border); }
.mock-dot:nth-child(1) { background: #ef4444; }
.mock-dot:nth-child(2) { background: #f59e0b; }
.mock-dot:nth-child(3) { background: #22c55e; }
.mock-body { display: grid; grid-template-columns: 1.1fr 0.9fr; }
.mock-left { padding: 18px; }
.mock-right { padding: 18px; border-left: 1px solid var(--border); background: var(--bg); }
.mock-field { height: 12px; border-radius: 6px; background: var(--border); margin-bottom: 10px; opacity: 0.8; }
.mock-field.short { width: 60%; }
.mock-media {
  height: 128px; border-radius: 10px; margin-bottom: 14px;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.18), rgba(13, 148, 136, 0.18));
  border: 1px dashed var(--border); display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 0.8125rem;
}
.mock-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.mock-chip {
  display: inline-flex; align-items: center; gap: 6px; font-size: 0.75rem;
  padding: 5px 10px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--card); color: var(--text-secondary);
}
.mock-chip .mock-dot { width: 8px; height: 8px; }
.mock-chip.on { border-color: var(--primary); background: var(--primary-light); color: var(--primary); font-weight: 600; }
.mock-caption { margin-bottom: 4px; }
.mock-actions { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 16px; }
.mock-schedule { font-size: 0.75rem; color: var(--muted); }
.mock-publish { font-size: 0.8125rem; font-weight: 700; color: #fff; background: linear-gradient(135deg, var(--primary), #0d9488); padding: 8px 18px; border-radius: 8px; }
.mock-post { display: flex; gap: 10px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.mock-post + .mock-post { margin-top: 12px; }
.mock-post:last-child { border-bottom: none; padding-bottom: 0; }
.mock-avatar {
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), #0d9488);
}
.mock-lines { flex: 1; }
.mini-btn { margin-top: 14px; height: 34px; width: 120px; border-radius: 8px; background: linear-gradient(135deg, var(--primary), #0d9488); }
@media (max-width: 720px) {
  .mock-body { grid-template-columns: 1fr; }
  .mock-right { border-left: none; border-top: 1px solid var(--border); }
}

/* Platform brand tints (hero icons) */
.hero-platform[data-platform="x"] { color: #1d9bf0; }
.hero-platform[data-platform="instagram"] { color: #e1306c; }
.hero-platform[data-platform="facebook"] { color: #1877f2; }
.hero-platform[data-platform="tiktok"] { color: #fe2c55; }
.hero-platform[data-platform="threads"] { color: var(--text-secondary); }
.hero-platform[data-platform="linkedin"] { color: #0a66c2; }
.hero-platform[data-platform="youtube"] { color: #ff0000; }

/* Logo / proof strip */
.logo-strip {
  display: flex; align-items: center; justify-content: center; gap: 14px 28px;
  flex-wrap: wrap; padding: 26px 16px 8px; max-width: 1000px; margin: 0 auto;
  color: var(--muted);
}
.logo-strip .logo-strip-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }
.logo-strip .logo-item { font-weight: 700; font-size: 1rem; color: var(--text-secondary); opacity: 0.85; }

/* Testimonials */
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.testimonial {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow);
}
.testimonial blockquote { margin: 0 0 16px; font-size: 0.9375rem; color: var(--text-secondary); }
.testimonial .who { display: flex; align-items: center; gap: 10px; }
.testimonial .who .mock-avatar { width: 34px; height: 34px; }
.testimonial .who strong { display: block; font-size: 0.875rem; }
.testimonial .who span { color: var(--muted); font-size: 0.8125rem; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; }
.faq-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 4px 18px; margin-bottom: 12px;
}
.faq-item summary {
  cursor: pointer; font-weight: 600; padding: 14px 0; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--primary); font-size: 1.25rem; font-weight: 700; }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { margin: 0 0 16px; color: var(--muted); font-size: 0.9rem; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

[data-theme="dark"] .hero::before { opacity: 0.7; }

/* ==================== Platform branding + skeleton loaders ==================== */
.platform-card { position: relative; overflow: hidden; }
.platform-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--brand, var(--primary)); }
.platform-card[data-platform="x"] { --brand: #1d9bf0; }
.platform-card[data-platform="facebook"] { --brand: #1877f2; }
.platform-card[data-platform="instagram"] { --brand: #e1306c; }
.platform-card[data-platform="threads"] { --brand: #6b7280; }
.platform-card[data-platform="tiktok"] { --brand: #fe2c55; }
.platform-card[data-platform="linkedin"] { --brand: #0a66c2; }
.platform-card[data-platform="youtube"] { --brand: #ff0000; }
.platform-logo {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
  background: color-mix(in srgb, var(--brand, var(--primary)) 15%, transparent);
  color: var(--brand, var(--primary));
}
.platform-logo svg { width: 19px; height: 19px; }
.platform-card-head { justify-content: flex-start; gap: 10px; }
.platform-card-head .badge { margin-left: auto; }

/* Brand-colored connection avatars */
.platform-avatar[data-platform="x"] { background: rgba(29, 155, 240, 0.16); color: #1d9bf0; }
.platform-avatar[data-platform="facebook"] { background: rgba(24, 119, 242, 0.16); color: #1877f2; }
.platform-avatar[data-platform="instagram"] { background: rgba(225, 48, 108, 0.16); color: #e1306c; }
.platform-avatar[data-platform="threads"] { background: rgba(107, 114, 128, 0.18); color: var(--text-secondary); }
.platform-avatar[data-platform="tiktok"] { background: rgba(254, 44, 85, 0.16); color: #fe2c55; }
.platform-avatar[data-platform="linkedin"] { background: rgba(10, 102, 194, 0.16); color: #0a66c2; }
.platform-avatar[data-platform="youtube"] { background: rgba(255, 0, 0, 0.16); color: #ff0000; }
.platform-avatar[data-platform="google"] { background: rgba(66, 133, 244, 0.16); color: #4285f4; }

/* Skeleton loaders */
.skeleton { position: relative; overflow: hidden; background: var(--border); border-radius: 8px; }
.skeleton::after {
  content: ""; position: absolute; inset: 0; transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer { 100% { transform: translateX(100%); } }
.skeleton-card { height: 86px; border-radius: var(--radius); }
.skeleton-row { height: 74px; border-radius: var(--radius); }
.skeleton-line { height: 12px; border-radius: 6px; margin: 8px 0; }
@media (prefers-reduced-motion: reduce) { .skeleton::after { animation: none; } }

/* ==================== Composer preview + caption limits ==================== */
.caption-limits { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.cap-limit {
  font-size: 0.75rem; padding: 3px 9px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--muted); background: var(--bg);
}
.cap-limit.near { border-color: var(--warning); color: var(--warning-fg); background: var(--warning-light); }
.cap-limit.over { border-color: var(--danger); color: var(--danger-fg); background: var(--danger-light); }

.composer-preview {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; max-width: 460px;
}
.cp-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.cp-avatar {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary), #0d9488); color: #fff; font-weight: 700;
}
.cp-user strong { display: block; font-size: 0.9rem; }
.cp-handle { color: var(--muted); font-size: 0.8rem; }
.cp-media { border-radius: 10px; overflow: hidden; margin-bottom: 10px; border: 1px solid var(--border); }
.cp-media img, .cp-media video { display: block; width: 100%; max-height: 260px; object-fit: cover; }
.cp-text { margin: 0 0 12px; font-size: 0.9rem; color: var(--text-secondary); white-space: pre-wrap; word-break: break-word; }
.cp-platforms { display: flex; flex-wrap: wrap; gap: 6px; }
.network-previews { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin-top: 12px; }
.network-preview { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px; background: var(--bg); }
.network-preview.over { border-color: var(--danger); }
.network-preview header { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.np-name { font-weight: 600; font-size: 0.8125rem; }
.np-limit { font-size: 0.72rem; color: var(--muted); }
.np-limit.over { color: var(--danger-fg); font-weight: 700; }
.np-text { margin: 0; font-size: 0.8125rem; color: var(--text-secondary); white-space: pre-wrap; word-break: break-word; }
.schedule-suggest { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.schedule-suggest #best-time-hint { font-size: 0.8125rem; }
.template-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.template-row select { flex: 1 1 220px; }
.import-box { margin-top: 28px; padding: 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); }
.import-box summary { cursor: pointer; font-weight: 600; }
.import-box p { margin: 10px 0; font-size: 0.8125rem; }
.import-box code { background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; font-size: 0.8rem; }
.import-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 8px; }
#import-result { margin-top: 8px; font-size: 0.8125rem; }
.member-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); }
.member-row + .member-row { margin-top: 8px; }
.member-row .meta { font-size: 0.8125rem; color: var(--muted); }
.member-actions { display: flex; align-items: center; gap: 8px; }

/* ==================== Floating support button ==================== */
.support-fab {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 18px; border-radius: 999px; color: #fff; text-decoration: none;
  font-weight: 600; font-size: 0.9rem;
  background: linear-gradient(135deg, var(--primary), #0d9488);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition), box-shadow var(--transition);
}
.support-fab:hover { transform: translateY(-2px); box-shadow: 0 14px 28px -10px rgba(15,118,110,.7); }
.support-fab svg { width: 18px; height: 18px; }
@media (max-width: 600px) { .support-fab { right: 14px; bottom: 14px; padding: 11px 14px; } }

/* ==================== Cookie consent banner ==================== */
.consent-banner {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: 16px; z-index: 70;
  max-width: 640px; width: calc(100% - 32px);
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 14px 18px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--border);
  box-shadow: var(--shadow-lg); font-size: 0.875rem; color: var(--text-secondary);
}
.consent-banner a { color: var(--primary); }
@media (max-width: 600px) { .consent-banner { flex-direction: column; align-items: stretch; text-align: center; } }

/* ==================== Media library + content calendar ==================== */
.media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.media-tile {
  display: block; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; background: var(--bg); text-decoration: none; color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.media-tile img, .media-tile video { display: block; width: 100%; height: 140px; object-fit: cover; }
.media-tile-meta {
  display: block; padding: 8px 10px; font-size: 0.75rem; color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.media-tile:hover { border-color: var(--primary); box-shadow: var(--shadow); }

.calendar-list { display: grid; gap: 24px; }
.calendar-day-title {
  font-size: 0.95rem; margin: 0 0 10px; color: var(--text-secondary);
  border-bottom: 1px solid var(--border); padding-bottom: 6px;
}

/* ==================== Modern refresh ==================== */
/* Crisper type + rhythm */
body { line-height: 1.65; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
h1, h2, h3, h4 { letter-spacing: -0.011em; }
a:not(.btn):not(.tabs a) { transition: color var(--transition), opacity var(--transition); }
a:not(.btn):not(.tabs a):hover { opacity: 0.88; }

/* Surfaces: finer borders + subtle lift */
.card, .feature-card, .auth-card { border-color: #e6eaf2; }
.card, .feature-card {
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
.feature-card:hover { box-shadow: var(--shadow-md); border-color: #d7deec; transform: translateY(-2px); }
.media-tile { transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition); }
.media-tile:hover { transform: translateY(-2px); }

/* Inputs: soft focus ring instead of a hard border flip */
input[type="text"], input[type="email"], input[type="password"], input[type="file"],
input[type="date"], input[type="time"], input[type="number"], textarea, select {
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
input[type="text"]:focus, input[type="email"]:focus, input[type="password"]:focus,
input[type="date"]:focus, input[type="time"]:focus, input[type="number"]:focus,
textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--ring);
}

/* Buttons: consistent motion */
.btn {
  transition: background var(--transition), border-color var(--transition),
    box-shadow var(--transition), transform var(--transition), color var(--transition);
}
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn-secondary { box-shadow: var(--shadow); }
.btn-secondary:hover:not(:disabled) { box-shadow: var(--shadow-md); }

/* Topbar: subtle glass */
.topbar {
  background: var(--card);
  background: color-mix(in srgb, var(--card) 88%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom-color: #e6eaf2;
}

/* Badges: tighter */
.badge { padding: 3px 9px; }

/* Links inside rich text */
.link-btn:hover { opacity: 0.9; }

/* Keyboard focus ring */
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* Slimmer, calmer scrollbars */
* { scrollbar-width: thin; scrollbar-color: #cbd5e1 transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb {
  background: #cbd5e1; border-radius: 999px; border: 2px solid transparent; background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover { background: #94a3b8; background-clip: content-box; }

/* ==================== Facebook-style app shell ==================== */
.fb-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: start;
  max-width: 1500px;
  margin: 0 auto;
  padding: 20px 24px 40px;
}

/* Left navigation (reuses the .tabs markup as a sidebar) */
.fb-shell > .tabs {
  position: sticky;
  top: var(--topbar-h, 72px);
  background: transparent;
  border: none;
  box-shadow: none;
  z-index: 1;
}
.fb-shell > .tabs .wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0;
  max-width: none;
  overflow: visible;
}
.fb-shell > .tabs a {
  position: relative;
  display: flex;
  align-items: center;
  padding: 11px 14px;
  border-radius: 10px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.fb-shell > .tabs a:hover { background: var(--card); color: var(--text); }
.fb-shell > .tabs a[aria-current="page"] { background: var(--primary-light); color: var(--primary); }
.fb-shell > .tabs a[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--primary);
}

/* Center column */
.fb-shell > #main-content.wrap {
  max-width: none;
  margin: 0;
  padding: 0;
  width: auto;
  min-width: 0;
}
.fb-shell > #main-content > section,
.fb-shell > #main-content > div { margin-bottom: 20px; }
.fb-shell > #main-content > section:last-child { margin-bottom: 0; }

/* Right rail */
.fb-rail { position: sticky; top: var(--topbar-h, 72px); display: grid; gap: 16px; min-width: 0; }
.fb-rail-card { padding: 16px; }
.fb-rail-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 0 0 10px;
}
.fb-rail-list { display: grid; gap: 4px; }
.fb-rail-link {
  display: block;
  width: 100%;
  text-align: left;
  padding: 9px 12px;
  border-radius: 10px;
  border: none;
  background: none;
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.fb-rail-link:hover { background: var(--bg); color: var(--text); }
.fb-rail-tip { margin: 0; font-size: 0.8125rem; color: var(--muted); line-height: 1.55; }

@media (max-width: 1180px) {
  .fb-shell { grid-template-columns: 240px minmax(0, 1fr); }
  .fb-rail { display: none; }
}
@media (max-width: 820px) {
  .fb-shell {
    display: block;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
  }
  .fb-shell > #main-content.wrap {
    width: auto;
    max-width: none;
    margin: 0;
    padding: 16px;
    min-width: 0;
  }
}

/* ==================== Landing: split hero (Facebook-style) ==================== */
@media (min-width: 981px) {
  .hero {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 48px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 72px 24px;
    text-align: left;
  }
  .hero-content { max-width: none; margin: 0; text-align: left; }
  .hero-subtitle { margin-left: 0; margin-right: 0; }
  .hero-platforms { justify-content: flex-start; }
  .hero-cta { justify-content: flex-start; }
  .hero .trust-list { justify-content: flex-start; }
  .hero-mockup { margin: 0; max-width: none; }
}

/* ==================== Glassmorphism theme ==================== */
:root {
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-bg-strong: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.16);
  --glass-blur: blur(16px) saturate(160%);
}
[data-theme="dark"] {
  --glass-bg: rgba(20, 30, 52, 0.55);
  --glass-bg-strong: rgba(20, 30, 52, 0.72);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

/* Colourful, fixed gradient backdrop so the frosted panels have depth */
body {
  background:
    radial-gradient(58% 55% at 12% 6%, rgba(15, 118, 110, 0.30), transparent 60%),
    radial-gradient(55% 50% at 88% 10%, rgba(13, 148, 136, 0.28), transparent 60%),
    radial-gradient(50% 50% at 80% 92%, rgba(245, 158, 11, 0.22), transparent 60%),
    radial-gradient(45% 45% at 18% 90%, rgba(14, 165, 233, 0.20), transparent 60%),
    linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 45%, #fef3c7 100%);
  background-attachment: fixed;
}
.auth-body { background: transparent; }
[data-theme="dark"] body {
  background:
    radial-gradient(58% 55% at 12% 6%, rgba(15, 118, 110, 0.26), transparent 60%),
    radial-gradient(55% 50% at 88% 10%, rgba(13, 148, 136, 0.30), transparent 60%),
    radial-gradient(50% 50% at 80% 92%, rgba(245, 158, 11, 0.18), transparent 60%),
    linear-gradient(135deg, #061417 0%, #0b1220 50%, #042f2e 100%);
  background-attachment: fixed;
}

/* Frosted panels */
.card,
.feature-card,
.auth-card,
.fb-rail-card,
.mock-window,
.media-tile,
.support-card,
#main-content > section,
#main-content > .card {
  background: var(--glass-bg) !important;
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border) !important;
  box-shadow: var(--glass-shadow) !important;
}

/* Top bar */
.topbar {
  background: var(--glass-bg-strong) !important;
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border) !important;
  box-shadow: none !important;
}

/* Left navigation becomes a frosted panel */
.fb-shell > .tabs {
  background: var(--glass-bg) !important;
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-lg);
  padding: 10px;
  box-shadow: var(--glass-shadow);
}
.fb-shell > .tabs a[aria-current="page"] { background: rgba(15, 118, 110, 0.14); }

/* Inputs + secondary buttons */
input[type="text"], input[type="email"], input[type="password"], input[type="file"],
input[type="date"], input[type="time"], input[type="number"], textarea, select {
  background: var(--glass-bg) !important;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border) !important;
}
.btn-secondary {
  background: var(--glass-bg) !important;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border) !important;
}

/* Floating chrome */
.consent-banner,
.toast,
.support-fab {
  background: var(--glass-bg-strong) !important;
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border) !important;
  box-shadow: var(--glass-shadow) !important;
}

/* Keep media/skeleton surfaces readable inside glass tiles */
.mock-window .mock-body,
.media-tile { overflow: hidden; }

/* ==================== Glassmorphism — premium pass ==================== */
:root {
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 24px;
  --glass-blur: blur(30px) saturate(200%);
  --glass-blur-soft: blur(16px) saturate(180%);
  --glass-bg: rgba(255, 255, 255, 0.42);
  --glass-bg-strong: rgba(255, 255, 255, 0.6);
  --glass-border: rgba(255, 255, 255, 0.55);
  --glass-highlight: rgba(255, 255, 255, 0.9);
  --glass-shadow: 0 12px 40px -12px rgba(31, 38, 135, 0.3), 0 2px 10px -2px rgba(31, 38, 135, 0.12);
}
[data-theme="dark"] {
  --glass-bg: rgba(18, 28, 50, 0.5);
  --glass-bg-strong: rgba(18, 28, 50, 0.68);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-highlight: rgba(255, 255, 255, 0.16);
  --glass-shadow: 0 12px 40px -12px rgba(0, 0, 0, 0.6), 0 2px 10px -2px rgba(0, 0, 0, 0.45);
}

/* Richer backdrop + a slow drifting aurora layer behind the glass */
html { background: #f0fdfa; }
[data-theme="dark"] html { background: #060912; }
body {
  background:
    radial-gradient(58% 55% at 12% 4%, rgba(15, 118, 110, 0.35), transparent 62%),
    radial-gradient(55% 50% at 90% 8%, rgba(13, 148, 136, 0.33), transparent 62%),
    radial-gradient(55% 55% at 82% 96%, rgba(245, 158, 11, 0.26), transparent 62%),
    radial-gradient(45% 45% at 14% 92%, rgba(14, 165, 233, 0.24), transparent 62%),
    linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 45%, #fef3c7 100%);
  background-attachment: fixed;
}
[data-theme="dark"] body {
  background:
    radial-gradient(58% 55% at 12% 4%, rgba(15, 118, 110, 0.3), transparent 62%),
    radial-gradient(55% 50% at 90% 8%, rgba(13, 148, 136, 0.34), transparent 62%),
    radial-gradient(55% 55% at 82% 96%, rgba(245, 158, 11, 0.2), transparent 62%),
    linear-gradient(135deg, #060912 0%, #0b1220 50%, #042f2e 100%);
  background-attachment: fixed;
}
body::before {
  content: "";
  position: fixed;
  inset: -25%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(closest-side, rgba(56, 189, 248, 0.3), transparent) 8% 12% / 55% 55% no-repeat,
    radial-gradient(closest-side, rgba(13, 148, 136, 0.3), transparent) 92% 6% / 52% 52% no-repeat,
    radial-gradient(closest-side, rgba(245, 158, 11, 0.26), transparent) 78% 92% / 55% 55% no-repeat;
  filter: blur(50px);
  animation: aurora 26s ease-in-out infinite alternate;
}
@keyframes aurora {
  from { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(5%, -4%, 0) scale(1.1); }
  to { transform: translate3d(-4%, 5%, 0) scale(1.06); }
}
@media (prefers-reduced-motion: reduce) { body::before { animation: none; } }

/* Deeper frosted panels with an inner top highlight */
.card,
.feature-card,
.auth-card,
.fb-rail-card,
.mock-window,
.media-tile,
.support-card,
#main-content > section,
#main-content > .card {
  background: var(--glass-bg) !important;
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 1px 0 0 var(--glass-highlight), var(--glass-shadow) !important;
}
.topbar {
  background: var(--glass-bg-strong) !important;
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border) !important;
}
.fb-shell > .tabs {
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: inset 0 1px 0 0 var(--glass-highlight), var(--glass-shadow) !important;
}
input, textarea, select, .btn-secondary {
  -webkit-backdrop-filter: var(--glass-blur-soft);
  backdrop-filter: var(--glass-blur-soft);
}

/* Premium primary button */
.btn { border-radius: 12px; }
.btn-primary {
  background: linear-gradient(135deg, #0f766e 0%, #0ea5e9 45%, #0d9488 100%) !important;
  box-shadow: 0 10px 30px -10px rgba(15, 118, 110, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.25) !important;
}
.btn-primary:hover:not(:disabled) {
  box-shadow: 0 16px 40px -12px rgba(15, 118, 110, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.3) !important;
}

/* Gradient headline for a premium feel */
.hero h1,
.auth-title {
  background: linear-gradient(120deg, #1e293b 0%, #115e59 55%, #0d9488 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
[data-theme="dark"] .hero h1,
[data-theme="dark"] .auth-title {
  background: linear-gradient(120deg, #e6edf7 0%, #99f6e4 55%, #5eead4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ==================== Frostier + more color ==================== */
:root {
  --glass-blur: blur(40px) saturate(220%);
  --glass-blur-soft: blur(20px) saturate(200%);
  --glass-bg: rgba(255, 255, 255, 0.5);
  --glass-bg-strong: rgba(255, 255, 255, 0.66);
  --glass-border: rgba(255, 255, 255, 0.62);
  --glass-highlight: rgba(255, 255, 255, 0.95);
  --glass-shadow: 0 16px 48px -14px rgba(31, 38, 135, 0.34), 0 2px 12px -2px rgba(31, 38, 135, 0.14);
}
[data-theme="dark"] {
  --glass-bg: rgba(20, 30, 54, 0.55);
  --glass-bg-strong: rgba(20, 30, 54, 0.72);
  --glass-border: rgba(255, 255, 255, 0.14);
  --glass-highlight: rgba(255, 255, 255, 0.2);
}

/* Vivid, fixed backdrop */
body {
  background:
    radial-gradient(60% 58% at 10% 2%, rgba(15, 118, 110, 0.5), transparent 60%),
    radial-gradient(58% 55% at 92% 6%, rgba(13, 148, 136, 0.5), transparent 60%),
    radial-gradient(58% 58% at 84% 98%, rgba(245, 158, 11, 0.42), transparent 60%),
    radial-gradient(50% 50% at 8% 94%, rgba(14, 165, 233, 0.4), transparent 60%),
    radial-gradient(45% 45% at 50% 50%, rgba(20, 184, 166, 0.18), transparent 62%),
    linear-gradient(135deg, #ccfbf1 0%, #e0f2fe 45%, #fef3c7 100%);
  background-attachment: fixed;
}
[data-theme="dark"] body {
  background:
    radial-gradient(60% 58% at 10% 2%, rgba(15, 118, 110, 0.42), transparent 60%),
    radial-gradient(58% 55% at 92% 6%, rgba(13, 148, 136, 0.5), transparent 60%),
    radial-gradient(58% 58% at 84% 98%, rgba(245, 158, 11, 0.3), transparent 60%),
    linear-gradient(135deg, #05070f 0%, #0b1220 50%, #042f2e 100%);
  background-attachment: fixed;
}

/* Brighter aurora that also cycles hue for extra colour */
body::before {
  background:
    radial-gradient(closest-side, rgba(56, 189, 248, 0.5), transparent) 6% 10% / 60% 60% no-repeat,
    radial-gradient(closest-side, rgba(20, 184, 166, 0.5), transparent) 94% 4% / 58% 58% no-repeat,
    radial-gradient(closest-side, rgba(245, 158, 11, 0.45), transparent) 82% 94% / 60% 60% no-repeat,
    radial-gradient(closest-side, rgba(34, 211, 238, 0.4), transparent) 12% 88% / 55% 55% no-repeat;
  filter: blur(60px);
  animation: aurora 22s ease-in-out infinite alternate, hueshift 46s linear infinite;
}
@keyframes hueshift { to { filter: blur(60px) hue-rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { body::before { animation: none; } }

/* Icier panels: stronger inner light + a faint top-to-bottom tint */
.card,
.feature-card,
.auth-card,
.fb-rail-card,
.mock-window,
.media-tile,
.support-card,
#main-content > section,
#main-content > .card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0) 42%),
    var(--glass-bg) !important;
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border) !important;
  box-shadow: inset 0 1px 0 0 var(--glass-highlight), var(--glass-shadow) !important;
}
.topbar {
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
}

/* Extra colour on interactive bits */
.badge { box-shadow: 0 2px 10px -2px rgba(31, 38, 135, 0.25); }
.btn-primary {
  background: linear-gradient(135deg, #0d9488 0%, #0ea5e9 40%, #14b8a6 100%) !important;
  box-shadow: 0 14px 34px -10px rgba(13, 148, 136, 0.75), inset 0 1px 0 rgba(255, 255, 255, 0.3) !important;
}
.fb-shell > .tabs a[aria-current="page"] {
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.22), rgba(20, 184, 166, 0.18));
  color: var(--primary);
}

/* ==================== Responsive shell: mobile drawer nav + small-screen polish ==================== */
/* Placed last so it wins over the glassmorphism !important declarations above. */

@media (max-width: 820px) {
  /* Hamburger lives in the topbar */
  .nav-toggle { display: inline-flex; }
  .brand-text { display: none; }

  /* Off-canvas navigation drawer */
  .fb-shell > .tabs {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(86vw, 340px);
    max-width: 340px;
    height: 100dvh;
    padding: 14px !important;
    overflow-y: auto;
    overscroll-behavior: contain;
    transform: translateX(-100%);
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 80;
    background: var(--card) !important;
    border: none !important;
    border-right: 1px solid var(--glass-border, var(--border)) !important;
    border-radius: 0 20px 20px 0 !important;
    box-shadow: var(--shadow-lg) !important;
  }
  .fb-shell > .tabs.open { transform: translateX(0); }

  .fb-shell > .tabs .wrap {
    flex-direction: column;
    gap: 2px;
    padding: 0;
    max-width: none;
    overflow: visible;
  }
  .fb-shell > .tabs a {
    white-space: normal;
    padding: 12px 14px;
    font-size: 0.9375rem;
    border-radius: 10px;
  }
  .fb-shell > .tabs a[aria-current="page"]::before { display: none; }

  /* Drawer header with title + close button, shown only on mobile */
  .tabs-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 4px 4px 12px;
    margin-bottom: 6px;
    border-bottom: 1px solid var(--border);
  }
  .tabs-title { display: inline-flex; align-items: center; gap: 8px; font-size: 1.0625rem; font-weight: 700; }
  .tabs-title .brand-icon { width: 28px; height: 28px; }

  /* Keep the primary content from hugging the viewport edges */
  .fb-shell > #main-content.wrap { padding: 14px; }
}

@media (max-width: 768px) {
  /* Prevent topbar action overflow on narrow screens */
  .topbar-inner { gap: 8px; }
  .topbar-actions { gap: 6px; }
}

@media (max-width: 600px) {
  /* Trim secondary topbar badges so actions never spill off-screen */
  #timezone-badge { display: none; }
  .user-label { display: none; }
  .user-name { gap: 0; }
  .auth-main { padding: 32px 14px; }
  .auth-card { padding: 24px 20px; }
  .consent-banner { width: calc(100% - 20px); bottom: 10px; }
}

@media (max-width: 420px) {
  /* On very small phones hide the app logo icon (the drawer shows the name)
     so the topbar actions stay on a single row. */
  .nav-toggle + .brand { display: none; }
  .topbar-actions { gap: 5px; }
  #demo-badge { padding: 3px 7px; letter-spacing: 0.02em; }
  .topbar .btn-small { padding: 8px 10px; }
}

@media (max-width: 480px) {
  .card { border-radius: 16px; }
  .topbar-actions .btn-small { padding: 8px 12px; }
  .hero-cta .btn { width: 100%; }
  .composer-preview { max-width: 100%; }
  .network-previews { grid-template-columns: 1fr; }
  .account-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
}

/* Wide desktop: give the app shell a little more breathing room */
@media (min-width: 1500px) {
  .fb-shell { gap: 32px; }
}

/* Global overflow safety for embedded media */
img, video, canvas { max-width: 100%; }
.preview img, .preview video, .cp-media img, .cp-media video { height: auto; }