/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  --color-primary:       #3b82f6;
  --color-primary-dark:  #2563eb;
  --color-primary-glow:  rgba(59,130,246,.35);
  --color-accent:        #8b5cf6;
  --color-accent-glow:   rgba(139,92,246,.3);
  --color-success:       #10b981;
  --color-success-light: #ecfdf5;
  --color-warning:       #f59e0b;
  --color-warning-light: #fffbeb;
  --color-danger:        #ef4444;
  --color-danger-light:  #fef2f2;
  --color-indigo:        #6366f1;
  --color-indigo-light:  #eef2ff;

  --color-bg:            #f8fafc;
  --color-surface:       #ffffff;
  --color-border:        #e2e8f0;
  --color-border-focus:  #93c5fd;
  --color-text:          #0f172a;
  --color-text-muted:    #64748b;
  --color-text-light:    #94a3b8;

  /* Dark hero palette */
  --hero-bg:             #050d1f;
  --hero-surface:        rgba(255,255,255,.05);
  --hero-border:         rgba(255,255,255,.1);

  --radius:              8px;
  --radius-lg:           14px;
  --radius-xl:           20px;
  --shadow:              0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:           0 4px 12px rgba(0,0,0,.08);
  --shadow-lg:           0 12px 40px rgba(0,0,0,.12);
  --shadow-glow:         0 0 40px rgba(59,130,246,.2);

  --nav-height:          64px;
  --max-width:           1120px;
  --transition:          .2s cubic-bezier(.4,0,.2,1);
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
.hidden { display: none !important; }

/* ── Navigation ────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 24px;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 0 rgba(0,0,0,.04);
  transition: background var(--transition), box-shadow var(--transition);
}

.nav-logo {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.5px;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-logo em {
  font-style: normal;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 2px;
  flex: 1;
}

.nav-link {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  border: none;
  background: none;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.nav-link:hover { background: var(--color-bg); color: var(--color-text); }
.nav-link.active { background: #eff6ff; color: var(--color-primary-dark); font-weight: 600; }

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

/* ── Layout Shell ──────────────────────────────────────────── */
#app { min-height: 100vh; display: flex; flex-direction: column; }
.main {
  flex: 1;
  padding: 36px 28px;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
}

/* ── View Transition ───────────────────────────────────────── */
.view-enter {
  animation: viewEnter .25s cubic-bezier(.4,0,.2,1) forwards;
}
@keyframes viewEnter {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
  line-height: 1.4;
  position: relative;
  overflow: hidden;
  user-select: none;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition);
}
.btn:hover { background: var(--color-bg); box-shadow: var(--shadow-md); }
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 1px 4px rgba(59,130,246,.3);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 16px rgba(59,130,246,.4);
}

.btn-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border: none;
  color: #fff;
  box-shadow: 0 4px 20px var(--color-primary-glow);
}
.btn-gradient:hover {
  box-shadow: 0 6px 28px var(--color-primary-glow);
  filter: brightness(1.08);
}

.btn-ghost {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.2);
  color: #fff;
  backdrop-filter: blur(4px);
}
.btn-ghost:hover { background: rgba(255,255,255,.18); }

.btn-danger { background: var(--color-danger); border-color: var(--color-danger); color: #fff; }
.btn-danger:hover { background: #dc2626; box-shadow: 0 4px 16px rgba(239,68,68,.35); }

.btn-success { background: var(--color-success); border-color: var(--color-success); color: #fff; }
.btn-success:hover { background: #059669; box-shadow: 0 4px 16px rgba(16,185,129,.35); }

.btn-sm  { padding: 5px 12px; font-size: 13px; }
.btn-lg  { padding: 13px 28px; font-size: 16px; font-weight: 600; border-radius: var(--radius-lg); }
.btn-xl  { padding: 16px 36px; font-size: 17px; font-weight: 700; border-radius: var(--radius-lg); }

/* ── Forms ─────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group:last-child { margin-bottom: 0; }
label { font-size: 13px; font-weight: 600; color: var(--color-text); }

input, select, textarea {
  width: 100%;
  padding: 9px 13px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition), box-shadow var(--transition);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
input::placeholder, textarea::placeholder { color: var(--color-text-light); }
textarea { resize: vertical; min-height: 80px; }
select[multiple] { min-height: 110px; padding: 6px; }
select[multiple] option { padding: 5px 8px; border-radius: 4px; }
select[multiple] option:checked { background: #eff6ff; color: var(--color-primary-dark); }
.form-hint { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }
.form-error { font-size: 12px; color: var(--color-danger); }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-title { font-size: 16px; font-weight: 700; margin-bottom: 16px; }

/* ── Tables ────────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}
table { width: 100%; border-collapse: collapse; background: var(--color-surface); }
thead { background: var(--color-bg); border-bottom: 1px solid var(--color-border); }
th {
  text-align: left;
  padding: 11px 16px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--color-text-muted);
}
td { padding: 13px 16px; font-size: 14px; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tbody tr { transition: background var(--transition); }
tbody tr:hover { background: #fafbfc; }
.td-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* ── Status Badges ─────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .2px;
}
.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.badge-uploaded          { background: #eff6ff; color: #1d4ed8; }
.badge-transcribing      { background: #fffbeb; color: #b45309; animation: badgePulse 1.5s ease-in-out infinite; }
.badge-transcribed       { background: #eef2ff; color: #4338ca; }
.badge-generating        { background: #fffbeb; color: #b45309; animation: badgePulse 1.5s ease-in-out infinite; }
.badge-generated         { background: #ecfdf5; color: #047857; }
.badge-transcription_failed { background: #fef2f2; color: #b91c1c; }
.badge-generation_failed    { background: #fef2f2; color: #b91c1c; }

@keyframes badgePulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .6; }
}

/* ── Toast ─────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 360px;
  pointer-events: none;
}
.toast {
  padding: 13px 18px;
  border-radius: var(--radius-lg);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastIn .25s cubic-bezier(.4,0,.2,1) forwards;
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: auto;
}
.toast-success { background: #064e3b; color: #d1fae5; }
.toast-error   { background: #7f1d1d; color: #fee2e2; }
.toast-info    { background: #1e3a5f; color: #bfdbfe; }
@keyframes toastIn {
  from { transform: translateX(20px) scale(.95); opacity: 0; }
  to   { transform: translateX(0) scale(1);   opacity: 1; }
}

/* ── Modal ─────────────────────────────────────────────────── */
#modal-container { position: fixed; inset: 0; z-index: 500; pointer-events: none; }
.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(5,13,31,.6);
  backdrop-filter: blur(4px);
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn .15s ease-out;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 60px rgba(0,0,0,.2);
  width: 100%;
  max-width: 500px;
  padding: 32px;
  animation: modalIn .2s cubic-bezier(.4,0,.2,1) forwards;
}
@keyframes modalIn {
  from { transform: scale(.94) translateY(10px); opacity: 0; }
  to   { transform: scale(1)   translateY(0);    opacity: 1; }
}
.modal-title { font-size: 20px; font-weight: 800; margin-bottom: 20px; letter-spacing: -.3px; }
.modal-footer { display: flex; gap: 8px; justify-content: flex-end; margin-top: 24px; }

/* ── Login Modal ───────────────────────────────────────────── */
.login-modal-logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.5px;
  margin-bottom: 4px;
}
.login-modal-logo em {
  font-style: normal;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.login-modal-sub { font-size: 14px; color: var(--color-text-muted); margin-bottom: 24px; }

/* ═══════════════════════════════════════════════════════════ */
/* ── HERO SECTION ────────────────────────────────────────── */
/* ═══════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--hero-bg);
  padding: 100px 28px 120px;
  text-align: center;
  color: #fff;
}

/* Animated gradient mesh */
.hero::before {
  content: '';
  position: absolute;
  inset: -50%;
  background:
    radial-gradient(ellipse 60% 50% at 20% 30%, rgba(59,130,246,.18) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 80% 20%, rgba(139,92,246,.15) 0%, transparent 70%),
    radial-gradient(ellipse 70% 40% at 60% 80%, rgba(16,185,129,.1) 0%, transparent 70%);
  animation: meshShift 12s ease-in-out infinite alternate;
}
@keyframes meshShift {
  0%   { transform: rotate(0deg) scale(1); }
  100% { transform: rotate(6deg) scale(1.08); }
}

/* Grid dot overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

/* Floating orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
  will-change: transform;
}
.hero-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(59,130,246,.25), transparent);
  top: -150px; left: -100px;
  animation: orbFloat1 14s ease-in-out infinite;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(139,92,246,.2), transparent);
  top: 50px; right: -100px;
  animation: orbFloat2 18s ease-in-out infinite;
}
.hero-orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(16,185,129,.15), transparent);
  bottom: -50px; left: 40%;
  animation: orbFloat3 16s ease-in-out infinite;
}
@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(60px, 40px) scale(1.1); }
  66%       { transform: translate(-20px, 80px) scale(.95); }
}
@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(-80px, 60px) scale(1.15); }
}
@keyframes orbFloat3 {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(50px, -40px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.85);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 99px;
  margin-bottom: 28px;
  letter-spacing: .3px;
  backdrop-filter: blur(8px);
  animation: heroFadeUp .7s ease-out forwards;
}
.hero-eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
  animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.4); opacity: .7; }
}

.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  animation: heroFadeUp .7s .1s ease-out both;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #34d399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 5s ease-in-out infinite;
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50%       { background-position: 100% 50%; }
}

.hero-sub {
  font-size: clamp(16px, 2vw, 19px);
  color: rgba(255,255,255,.65);
  max-width: 620px;
  margin: 0 auto 40px;
  line-height: 1.75;
  animation: heroFadeUp .7s .2s ease-out both;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 72px;
  animation: heroFadeUp .7s .3s ease-out both;
}

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Floating feature pills */
.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  animation: heroFadeUp .7s .4s ease-out both;
}
.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: 99px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,.8);
  backdrop-filter: blur(6px);
  transition: background var(--transition), border-color var(--transition);
}
.hero-pill:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.22); }

/* ── Benefits Section ──────────────────────────────────────── */
.benefits-section {
  padding: 96px 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.section-heading {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -.8px;
  margin-bottom: 14px;
  color: var(--color-text);
  line-height: 1.2;
}
.section-sub {
  font-size: 16px;
  color: var(--color-text-muted);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 56px;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.benefit-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  cursor: default;
}
.benefit-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: #d1d5db;
}
.benefit-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.benefit-icon-blue   { background: #eff6ff; }
.benefit-icon-purple { background: #f5f3ff; }
.benefit-icon-green  { background: #ecfdf5; }
.benefit-icon-amber  { background: #fffbeb; }
.benefit-icon-rose   { background: #fff1f2; }

.benefit-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.benefit-card p  { font-size: 14px; color: var(--color-text-muted); line-height: 1.65; }

/* ── Auto-Join Highlight Section ───────────────────────────── */
.autojoin-section {
  background: linear-gradient(135deg, #050d1f 0%, #0d1f3c 100%);
  padding: 96px 28px;
  overflow: hidden;
  position: relative;
}
.autojoin-section::before {
  content: '';
  position: absolute;
  inset: -20%;
  background: radial-gradient(ellipse 50% 80% at 80% 50%, rgba(59,130,246,.12), transparent);
  pointer-events: none;
}
.autojoin-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.autojoin-text .section-label { color: #60a5fa; }
.autojoin-text .section-heading { color: #fff; }
.autojoin-text .section-sub { color: rgba(255,255,255,.6); margin-bottom: 32px; }
.autojoin-steps { display: flex; flex-direction: column; gap: 20px; }
.autojoin-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  transition: background var(--transition);
}
.autojoin-step:hover { background: rgba(255,255,255,.09); }
.autojoin-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.autojoin-step-text h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 3px; }
.autojoin-step-text p  { font-size: 13px; color: rgba(255,255,255,.55); line-height: 1.55; }

/* ── How It Works ──────────────────────────────────────────── */
.how-section {
  padding: 96px 28px;
  background: var(--color-surface);
}
.how-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0;
  position: relative;
  margin-top: 56px;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-success));
  z-index: 0;
}
.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}
.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
  box-shadow: 0 4px 20px var(--color-primary-glow);
}
.step-item h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.step-item p  { font-size: 13px; color: var(--color-text-muted); line-height: 1.6; }

/* ── CTA Section ───────────────────────────────────────────── */
.cta-section {
  padding: 96px 28px;
  text-align: center;
  background: var(--color-bg);
}
.cta-inner {
  max-width: 580px;
  margin: 0 auto;
}
.cta-inner .section-heading { margin-bottom: 12px; }
.cta-inner .section-sub { margin: 0 auto 36px; }

/* ── Scroll Reveal ─────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s cubic-bezier(.4,0,.2,1), transform .65s cubic-bezier(.4,0,.2,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }
.reveal-delay-4 { transition-delay: .32s; }
.reveal-delay-5 { transition-delay: .40s; }

/* ── Section Header (inner views) ──────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 12px;
  flex-wrap: wrap;
}
.section-title { font-size: 22px; font-weight: 800; letter-spacing: -.4px; }
.section-desc  { font-size: 14px; color: var(--color-text-muted); margin-top: 3px; }

/* ── Tabs ──────────────────────────────────────────────────── */
.tabs {
  display: inline-flex;
  gap: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 4px;
  margin-bottom: 24px;
}
.tab-btn {
  padding: 7px 20px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: none;
  color: var(--color-text-muted);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.tab-btn.active {
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 600;
  box-shadow: var(--shadow);
}
.tab-btn:hover:not(.active) { color: var(--color-text); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Recording UI ──────────────────────────────────────────── */
.record-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 40px 32px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, #fafbff, #f8fafc);
  transition: border-color var(--transition);
}

.record-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--color-danger), #f87171);
  color: #fff;
  font-size: 30px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 6px 24px rgba(239,68,68,.4);
  position: relative;
}
.record-btn:hover { transform: scale(1.07); box-shadow: 0 8px 32px rgba(239,68,68,.5); }
.record-btn.recording {
  background: linear-gradient(135deg, #1e293b, #334155);
  box-shadow: 0 6px 24px rgba(30,41,59,.4);
  animation: recordPulse 1.5s ease-in-out infinite;
}
@keyframes recordPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,.4); }
  50%       { box-shadow: 0 0 0 14px rgba(239,68,68,.0); }
}

.record-timer {
  font-size: 28px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: .5px;
  color: var(--color-text);
  min-height: 36px;
}
.record-status { font-size: 14px; color: var(--color-text-muted); }

.upload-area {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  text-align: center;
  cursor: pointer;
  background: linear-gradient(135deg, #fafbff, #f8fafc);
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.upload-area:hover { border-color: var(--color-primary); background: #f0f7ff; box-shadow: 0 0 0 4px rgba(59,130,246,.07); }
.upload-area input[type="file"] { display: none; }
.upload-icon { font-size: 40px; margin-bottom: 10px; }
.upload-label { font-size: 14px; color: var(--color-text-muted); }
.upload-label strong { color: var(--color-primary); cursor: pointer; }
.upload-filename { font-size: 13px; font-weight: 600; color: var(--color-text); margin-top: 10px; }

/* ── Empty State ───────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 72px 24px;
  color: var(--color-text-muted);
}
.empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state h3 { font-size: 18px; font-weight: 700; color: var(--color-text); margin-bottom: 8px; }
.empty-state p { font-size: 14px; }

.load-more-wrap { text-align: center; padding: 24px; }

/* ── Session Detail ────────────────────────────────────────── */
.detail-grid { display: grid; gap: 14px; }
.detail-row { display: flex; gap: 14px; font-size: 14px; }
.detail-label { font-weight: 600; color: var(--color-text-muted); min-width: 130px; flex-shrink: 0; }
.detail-value { color: var(--color-text); word-break: break-all; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .autojoin-inner { grid-template-columns: 1fr; gap: 40px; }
  .steps-grid::before { display: none; }
}

@media (max-width: 768px) {
  .nav { padding: 0 18px; gap: 16px; }
  .nav-links { display: none; }
  .main { padding: 20px 18px; }
  .hero { padding: 72px 18px 80px; }
  .benefits-section, .how-section, .cta-section, .autojoin-section { padding: 64px 18px; }
  th, td { padding: 10px 12px; }
  .modal { padding: 22px; }
  .record-area, .upload-area { padding: 28px 16px; }
  .step-item { padding: 0 8px; }
}