/* ══════════════════════════════════════════════════════════════
   Zumeet — shared stylesheet  (Zoom-inspired design system)
   Primary blue: #0E72EC  ·  Text: #1C1C1E  ·  Surface: #F7F8FB
   ══════════════════════════════════════════════════════════════ */

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               'Helvetica Neue', Arial, sans-serif;
  background: #fff;
  color: #1C1C1E;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}
a { color: #0E72EC; text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; }

/* ── Brand ───────────────────────────────────────────────────── */
.logo-text {
  font-size: 26px;
  font-weight: 800;
  color: #0E72EC;
  letter-spacing: -0.8px;
  font-style: italic;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #0E72EC;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s;
  text-decoration: none;
  letter-spacing: -0.1px;
}
.btn-primary:hover {
  background: #0959C5;
  box-shadow: 0 4px 14px rgba(14,114,236,0.28);
  text-decoration: none;
  color: #fff;
}
.btn-full { width: 100%; }
.btn-icon { width: 18px; height: 18px; filter: brightness(0) invert(1); }

.btn-download {
  font-size: 16px;
  padding: 15px 36px;
  border-radius: 8px;
  gap: 12px;
}
.os-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255,255,255,.18);
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
}
.badge-icon { width: 14px; height: 14px; filter: brightness(0) invert(1); }

/* ── Headers / footers ───────────────────────────────────────── */
.site-header {
  padding: 18px 40px;
  border-bottom: 1px solid #EBEBEB;
}
.site-footer {
  padding: 20px 40px;
  text-align: center;
  color: #B8B8C0;
  font-size: 12px;
  margin-top: auto;
}

/* ── Center wrappers ─────────────────────────────────────────── */
.center-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  background: #F7F8FB;
}
.center-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  text-align: center;
}
.footnote { margin-top: 24px; color: #C0C0CA; font-size: 11px; }

/* ── Verify card ─────────────────────────────────────────────── */
.card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 24px rgba(0,0,0,0.07), 0 0 0 1px rgba(0,0,0,0.04);
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}
.card .logo-text { font-size: 44px; letter-spacing: -2px; margin-bottom: 6px; }
.tagline { color: #9CA3AF; font-size: 13px; margin-bottom: 28px; }
.card-label { font-size: 14px; color: #374151; font-weight: 500; margin-bottom: 18px; }
.cf-wrap { display: flex; justify-content: center; margin-bottom: 20px; }
.alert-error {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  color: #DC2626;
  font-size: 13px;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
}

/* ── Unsupported device ──────────────────────────────────────── */
.unsupported-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  text-align: center;
}
.unsupported-wrap .logo-text { font-size: 42px; letter-spacing: -1px; margin-bottom: 28px; }
.unsupported-wrap p { color: #6E6E80; font-size: 15px; max-width: 320px; }
.os-pills { display: flex; gap: 16px; justify-content: center; margin-bottom: 24px; }
.os-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #F4F5F7;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  color: #374151;
}
.os-icon { width: 18px; height: 18px; }

/* ── Invite step ─────────────────────────────────────────────── */
.invite-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
}
.invite-body { text-align: center; max-width: 480px; }
.invite-kicker {
  font-size: 12px;
  font-weight: 700;
  color: #0E72EC;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.invite-title {
  font-size: 36px;
  font-weight: 800;
  color: #1C1C1E;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 14px;
}
.invite-sub { color: #6E6E80; font-size: 15px; margin-bottom: 40px; }
.countdown-text { color: #9CA3AF; font-size: 13px; margin-top: 16px; }
.countdown-text span { color: #0E72EC; font-weight: 600; }

/* ── Downloading step ────────────────────────────────────────── */
.dl-spinner {
  width: 52px; height: 52px;
  border: 4px solid #D6E8FC;
  border-top-color: #0E72EC;
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin-bottom: 28px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.dl-title {
  font-size: 26px; font-weight: 700;
  color: #1C1C1E; margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.dl-sub { color: #6E6E80; font-size: 14px; line-height: 1.6; margin-bottom: 32px; }
.file-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #EEF4FD;
  border: 1px solid #C6DCFA;
  color: #0E72EC;
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  padding: 10px 18px;
}
.file-badge-dot {
  width: 8px; height: 8px;
  background: #0E72EC;
  border-radius: 50%;
  animation: pulse 1s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
.dl-manual { margin-top: 20px; font-size: 13px; color: #9CA3AF; }

/* ══════════════════════════════════════════════════════════════
   GUIDE STEP  (Zoom Support / Help Center style)
   ══════════════════════════════════════════════════════════════ */
.guide-nav {
  background: #fff;
  border-bottom: 1px solid #EBEBEB;
  padding: 0 40px;
  height: 58px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
}
.guide-nav .logo-text { font-size: 22px; }
.guide-nav-label {
  font-size: 13px;
  color: #8E8E98;
  font-weight: 500;
  padding-left: 12px;
  border-left: 1px solid #E5E5E8;
  margin-left: 4px;
}

.guide-wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 24px;
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 768px) {
  .guide-wrap { grid-template-columns: 1fr; }
  .guide-sidebar { display: none; }
}

/* Sidebar */
.guide-sidebar { position: sticky; top: 74px; }
.sidebar-box {
  border: 1px solid #E8E8E8;
  border-radius: 10px;
  padding: 16px 18px;
}
.sidebar-box h4 {
  font-size: 11px; font-weight: 700; color: #8E8E98;
  text-transform: uppercase; letter-spacing: .07em; margin-bottom: 12px;
}
.sidebar-box a {
  display: block; font-size: 13px; color: #0E72EC; padding: 4px 0;
  border-left: 2px solid transparent; padding-left: 8px; margin-left: -8px;
  transition: border-color .15s;
}
.sidebar-box a:hover { border-left-color: #0E72EC; text-decoration: none; }

/* Article */
.breadcrumb { font-size: 12px; color: #B0B0BC; margin-bottom: 20px; }
.bc-sep { margin: 0 6px; }
.guide-title {
  font-size: 30px; font-weight: 800;
  color: #1C1C1E; letter-spacing: -.5px; margin-bottom: 10px;
}
.guide-meta {
  font-size: 12px; color: #B0B0BC; margin-bottom: 20px;
  display: flex; gap: 14px; align-items: center;
}
.os-tag {
  background: #EEF4FD; color: #0E72EC;
  border-radius: 20px; padding: 3px 10px;
  font-weight: 600; font-size: 11px;
}
.guide-article > p { color: #374151; margin-bottom: 20px; }
.guide-h2 { font-size: 18px; font-weight: 700; color: #1C1C1E; margin: 32px 0 12px; }

/* Access note (no login / no meeting ID callout) */
.guide-access-note {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 24px;
}
.gan-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #16A34A;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.guide-access-note strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: #166534;
  margin-bottom: 4px;
}
.guide-access-note p {
  font-size: 13px;
  color: #166534;
  margin: 0;
  line-height: 1.55;
  opacity: 0.85;
}

/* Steps list */
.steps-intro { color: #374151; font-size: 14px; margin-bottom: 20px; }
.steps-list {
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.steps-list li {
  counter-increment: step;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.steps-list li::before {
  content: counter(step);
  min-width: 30px; height: 30px;
  background: #0E72EC; color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
  flex-shrink: 0; margin-top: 1px;
}
.step-text strong {
  display: block; font-size: 15px; font-weight: 600;
  color: #1C1C1E; margin-bottom: 4px;
}
.step-text p { font-size: 13px; color: #6E6E80; margin: 0; line-height: 1.5; }

.guide-note {
  background: #FFFBEB;
  border-left: 3px solid #F59E0B;
  border-radius: 0 6px 6px 0;
  padding: 12px 16px;
  margin-top: 20px;
  font-size: 13px;
  color: #92400E;
}

/* Requirements */
.req-list {
  padding-left: 20px;
  color: #374151;
  font-size: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
code { background: #F0F0F3; padding: 1px 6px; border-radius: 4px; font-size: 13px; }

/* Done card */
.done-card {
  background: #0E72EC;
  border-radius: 12px;
  padding: 22px 26px;
  color: #fff;
  margin-top: 28px;
  display: flex;
  gap: 18px;
  align-items: center;
}
.done-icon { width: 36px; height: 36px; flex-shrink: 0; filter: brightness(0) invert(1); }
.done-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.done-card p { font-size: 13px; opacity: .85; }

/* Kept for legacy — no longer shown on pages */
.related-section { margin-top: 48px; }
.related-title { font-size: 17px; font-weight: 700; color: #1C1C1E; margin-bottom: 14px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.related-card {
  border: 1px solid #E8E8E8; border-radius: 10px;
  padding: 16px; transition: border-color .15s, box-shadow .15s;
}
.related-card:hover { border-color: #8DBEF8; box-shadow: 0 2px 8px rgba(14,114,236,.08); }
.related-card h4 { font-size: 13px; font-weight: 600; color: #0E72EC; margin-bottom: 6px; line-height: 1.4; }
.related-card p { font-size: 12px; color: #9CA3AF; line-height: 1.4; }
.community-box {
  background: #F7F8FB; border-radius: 12px;
  padding: 36px; text-align: center; margin-top: 32px;
}
.community-box h2 { font-size: 22px; font-weight: 700; color: #1C1C1E; margin-bottom: 8px; }
.community-box p { color: #6E6E80; font-size: 14px; margin-bottom: 20px; }

/* Guide footer */
.guide-footer {
  border-top: 1px solid #EBEBEB;
  padding: 24px 40px;
  text-align: center;
  font-size: 12px;
  color: #B8B8C0;
  margin-top: 48px;
}