/* MUI-flavoured vanilla CSS — Material 3 light + dark, Roboto, elevation. */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&family=Material+Symbols+Outlined&display=swap');

:root,
:root[data-theme="light"] {
  --mui-bg-default: #f5f5f5;
  --mui-bg-paper: #ffffff;
  --mui-primary: #1976d2;
  --mui-primary-dark: #115293;
  --mui-primary-contrast: #ffffff;
  --mui-secondary: #9c27b0;
  --mui-success: #2e7d32;
  --mui-warning: #ed6c02;
  --mui-error: #d32f2f;
  --mui-info: #0288d1;
  --mui-text-primary: rgba(0, 0, 0, 0.87);
  --mui-text-secondary: rgba(0, 0, 0, 0.6);
  --mui-text-disabled: rgba(0, 0, 0, 0.38);
  --mui-divider: rgba(0, 0, 0, 0.12);
  --mui-action-hover: rgba(0, 0, 0, 0.04);
  --mui-action-selected: rgba(25, 118, 210, 0.08);
  --mui-shadow-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
  --mui-shadow-2: 0 3px 6px rgba(0,0,0,0.12), 0 2px 4px rgba(0,0,0,0.08);
  --mui-shadow-4: 0 10px 20px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.08);
  --mui-shadow-8: 0 20px 40px rgba(0,0,0,0.16), 0 8px 16px rgba(0,0,0,0.10);
  --mui-radius: 4px;
  --mui-radius-lg: 12px;
}

:root[data-theme="dark"] {
  --mui-bg-default: #121212;
  --mui-bg-paper: #1e1e1e;
  --mui-primary: #90caf9;
  --mui-primary-dark: #5d99c6;
  --mui-primary-contrast: rgba(0, 0, 0, 0.87);
  --mui-secondary: #ce93d8;
  --mui-success: #66bb6a;
  --mui-warning: #ffa726;
  --mui-error: #f44336;
  --mui-info: #29b6f6;
  --mui-text-primary: rgba(255, 255, 255, 0.87);
  --mui-text-secondary: rgba(255, 255, 255, 0.6);
  --mui-text-disabled: rgba(255, 255, 255, 0.38);
  --mui-divider: rgba(255, 255, 255, 0.12);
  --mui-action-hover: rgba(255, 255, 255, 0.08);
  --mui-action-selected: rgba(144, 202, 249, 0.16);
  --mui-shadow-1: 0 1px 3px rgba(0,0,0,0.5), 0 1px 2px rgba(0,0,0,0.4);
  --mui-shadow-2: 0 3px 6px rgba(0,0,0,0.5), 0 2px 4px rgba(0,0,0,0.4);
  --mui-shadow-4: 0 10px 20px rgba(0,0,0,0.5), 0 4px 8px rgba(0,0,0,0.4);
  --mui-shadow-8: 0 20px 40px rgba(0,0,0,0.6), 0 8px 16px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
/* Tell the browser to render native widgets (selects, scrollbars, file
   pickers) in the matching color scheme. Without this, <select> popups
   stay white in dark mode → invisible white-on-white text. */
:root[data-theme="dark"]  { color-scheme: dark; }
:root[data-theme="light"] { color-scheme: light; }
/* Belt-and-braces: explicitly style <option> for older browsers. */
select option {
  background: var(--mui-bg-paper);
  color: var(--mui-text-primary);
}
body {
  font-family: Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  background: var(--mui-bg-default);
  color: var(--mui-text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.material-symbols-outlined {
  font-family: "Material Symbols Outlined";
  font-weight: normal;
  font-style: normal;
  font-size: 20px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  vertical-align: middle;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* ── AppBar ─────────────────────────────────────────────────────────── */
.appbar {
  position: sticky;
  top: 0;
  background: var(--mui-bg-paper);
  border-bottom: 1px solid var(--mui-divider);
  box-shadow: var(--mui-shadow-1);
  z-index: 10;
}
.appbar .toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 24px;
  min-height: 56px;
  max-width: 1280px;
  margin: 0 auto;
}
.appbar .brand {
  font-size: 20px;
  font-weight: 500;
  color: var(--mui-primary);
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.appbar nav#account {
  display: flex;
  gap: 4px;
  align-items: center;
  color: var(--mui-text-secondary);
  font-size: 13px;
}

header.hero {
  text-align: center;
  padding: 48px 24px 24px;
  background: linear-gradient(180deg, var(--mui-bg-paper) 0%, var(--mui-bg-default) 100%);
  border-bottom: 1px solid var(--mui-divider);
}
header.hero h1 {
  margin: 0 0 8px 0;
  font-size: 32px;
  font-weight: 300;
  letter-spacing: -0.01em;
}
header.hero .tag {
  margin: 0 0 16px 0;
  color: var(--mui-text-secondary);
  font-size: 16px;
}
header.hero .hero-badge {
  display: inline-block;
  margin: 0;
  padding: 6px 14px;
  border-radius: 16px;
  background: var(--mui-action-selected);
  color: var(--mui-primary);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid var(--mui-primary);
}

main {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 24px;
}

/* ── Paper / Card ───────────────────────────────────────────────────── */
.paper {
  background: var(--mui-bg-paper);
  border-radius: var(--mui-radius);
  box-shadow: var(--mui-shadow-1);
  padding: 24px;
  margin-bottom: 24px;
}
.paper.elev-2 { box-shadow: var(--mui-shadow-2); }
.paper.elev-4 { box-shadow: var(--mui-shadow-4); }

.card {
  background: var(--mui-bg-paper);
  border-radius: var(--mui-radius);
  box-shadow: var(--mui-shadow-1);
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.card-title { font-size: 18px; font-weight: 500; margin: 0 0 4px; }
.card-subtitle { color: var(--mui-text-secondary); margin: 0 0 16px; font-size: 13px; }

/* ── Buttons ────────────────────────────────────────────────────────── */
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 6px 16px;
  min-width: 64px;
  height: 36px;
  border: none;
  border-radius: var(--mui-radius);
  cursor: pointer;
  transition: background 120ms ease-out, box-shadow 120ms ease-out, color 120ms;
  user-select: none;
  background: transparent;
  color: var(--mui-primary);
}
button:hover:not(:disabled), .btn:hover:not(:disabled) {
  background: var(--mui-action-hover);
}
button.btn-contained {
  background: var(--mui-primary);
  color: var(--mui-primary-contrast);
  box-shadow: var(--mui-shadow-1);
}
button.btn-contained:hover:not(:disabled) {
  background: var(--mui-primary-dark);
  box-shadow: var(--mui-shadow-2);
}
button.btn-outlined {
  border: 1px solid var(--mui-primary);
  background: transparent;
  color: var(--mui-primary);
}
button.btn-outlined:hover:not(:disabled) {
  background: var(--mui-action-selected);
}
button.btn-error { background: var(--mui-error); color: #fff; box-shadow: var(--mui-shadow-1); }
button.btn-error:hover:not(:disabled) { background: var(--mui-error); filter: brightness(0.92); box-shadow: var(--mui-shadow-2); }
button:disabled, .btn:disabled {
  color: var(--mui-text-disabled) !important;
  background: var(--mui-action-hover) !important;
  cursor: not-allowed;
  box-shadow: none !important;
}
button.icon-btn {
  width: 40px; min-width: 40px; height: 40px; padding: 0; border-radius: 50%;
}

/* ── Form fields ────────────────────────────────────────────────────── */
.field {
  position: relative;
  margin: 16px 0;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 14px 12px 10px;
  font: inherit;
  color: var(--mui-text-primary);
  background: transparent;
  border: 1px solid var(--mui-divider);
  border-radius: var(--mui-radius);
  outline: none;
  transition: border-color 120ms;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--mui-primary);
  border-width: 2px;
  padding: 13px 11px 9px;
}
.field label {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 14px;
  color: var(--mui-text-secondary);
  pointer-events: none;
  background: var(--mui-bg-paper);
  padding: 0 4px;
  transition: all 120ms;
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field select:focus + label,
.field select:not([data-empty="true"]) + label {
  top: -8px;
  font-size: 12px;
  color: var(--mui-primary);
}
select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
                    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 18px) 18px, calc(100% - 13px) 18px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
select[multiple] { background-image: none; padding: 8px 12px; min-height: 84px; }

/* ── Recorder ───────────────────────────────────────────────────────── */
.recorder .controls {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.recorder .status {
  margin-left: auto;
  font-size: 13px;
  color: var(--mui-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.recorder .status.live::before {
  content: "";
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--mui-success);
  box-shadow: 0 0 0 0 rgba(46,125,50,0.6);
  animation: pulse 1.4s infinite;
}
.recorder .status.error { color: var(--mui-error); }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(46,125,50,0.6); }
  70% { box-shadow: 0 0 0 8px rgba(46,125,50,0); }
  100% { box-shadow: 0 0 0 0 rgba(46,125,50,0); }
}

.translate-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: start;
  margin: 16px 0;
}
.translate-row .field { margin: 0; }
.translate-row .muted { color: var(--mui-text-secondary); font-size: 12px; }

/* Tag-style multi-select for translation targets */
.lang-chips-wrap { min-width: 0; }
.lang-chips-label {
  font-size: 12px;
  color: var(--mui-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.lang-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.lang-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 16px;
  border: 1px solid var(--mui-divider);
  background: transparent;
  color: var(--mui-text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  font-family: inherit;
  text-transform: none;
  letter-spacing: normal;
  height: auto;
  min-width: 0;
  transition: background 120ms, color 120ms, border-color 120ms;
}
.lang-chip:hover {
  background: var(--mui-action-hover);
}
.lang-chip.on {
  background: var(--mui-primary);
  color: var(--mui-primary-contrast);
  border-color: var(--mui-primary);
}
.lang-chip.on:hover { filter: brightness(1.05); }
@media (max-width: 600px) {
  .translate-row { grid-template-columns: 1fr; }
}

.paywall {
  background: rgba(237, 108, 2, 0.12);
  border-left: 4px solid var(--mui-warning);
  color: var(--mui-text-primary);
  padding: 12px 16px;
  border-radius: var(--mui-radius);
  margin-bottom: 16px;
  font-size: 14px;
}
.intro-banner {
  background: var(--mui-action-selected);
  border-left: 4px solid var(--mui-primary);
  color: var(--mui-text-primary);
  padding: 12px 16px;
  border-radius: var(--mui-radius);
  margin-bottom: 16px;
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.intro-banner .material-symbols-outlined {
  color: var(--mui-primary);
  margin-top: 2px;
}
.hidden { display: none !important; }

.transcript {
  background: var(--mui-bg-default);
  border: 1px solid var(--mui-divider);
  border-radius: var(--mui-radius);
  padding: 16px;
  min-height: 220px;
  max-height: 460px;
  overflow-y: auto;
  white-space: pre-wrap;
  font-family: 'Roboto Mono', ui-monospace, SFMono-Regular, monospace;
  font-size: 14px;
  line-height: 1.6;
}
.transcript .turn {
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--mui-divider);
}
.transcript .turn:last-child { border-bottom: none; }
.transcript .speaker {
  display: inline-block;
  background: var(--mui-action-selected);
  color: var(--mui-primary);
  font-weight: 500;
  padding: 1px 8px;
  border-radius: 12px;
  margin-right: 8px;
  font-size: 12px;
}
.transcript .partial { color: var(--mui-text-secondary); font-style: italic; }
.transcript .translation {
  color: var(--mui-success);
  margin-top: 6px;
  padding-left: 12px;
  border-left: 3px solid var(--mui-success);
  font-style: normal;
}

/* ── Pricing ────────────────────────────────────────────────────────── */
.pricing { margin-top: 32px; }
.pricing h2 { margin: 0 0 16px 0; font-size: 24px; font-weight: 400; }
.pricing .cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.pricing .card.highlight {
  border-top: 4px solid var(--mui-primary);
  box-shadow: var(--mui-shadow-4);
  position: relative;
}
.pricing .card .price {
  font-size: 32px;
  font-weight: 300;
  margin: 8px 0 16px;
}
.pricing .card ul {
  padding-left: 18px;
  margin: 0 0 16px 0;
  color: var(--mui-text-secondary);
}
.pricing .card .buy {
  margin-top: auto;
  align-self: flex-start;
}

.badge {
  display: inline-block;
  background: var(--mui-action-selected);
  color: var(--mui-primary);
  border-radius: 12px;
  padding: 2px 10px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  margin-left: 4px;
}
.muted { color: var(--mui-text-secondary); }

/* ── Dialog ─────────────────────────────────────────────────────────── */
dialog {
  background: var(--mui-bg-paper);
  color: var(--mui-text-primary);
  border: none;
  border-radius: var(--mui-radius);
  padding: 24px;
  width: min(440px, 90vw);
  box-shadow: var(--mui-shadow-8);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.5); }
dialog h3 { margin: 0 0 8px 0; font-size: 20px; font-weight: 500; }
dialog menu {
  padding: 0;
  margin: 16px 0 0 0;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}
.login-result {
  font-size: 13px;
  color: var(--mui-success);
  margin: 8px 0 0 0;
  min-height: 18px;
}

/* Google sign-in button — Material-style, matches MUI vibe */
.google-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 10px 16px;
  margin: 8px 0 16px 0;
  height: auto;
  background: var(--mui-bg-paper);
  color: var(--mui-text-primary);
  border: 1px solid var(--mui-divider);
  border-radius: var(--mui-radius);
  cursor: pointer;
  font: 500 14px Roboto, sans-serif;
  text-transform: none;
  letter-spacing: normal;
  transition: background 120ms, box-shadow 120ms;
}
.google-btn:hover {
  background: var(--mui-action-hover);
  box-shadow: var(--mui-shadow-1);
}
.google-btn .google-g {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4285F4 0%, #34A853 33%, #FBBC05 66%, #EA4335 100%);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}
.login-divider {
  text-align: center;
  margin: 8px 0;
  position: relative;
  color: var(--mui-text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.login-divider::before,
.login-divider::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 40%;
  height: 1px;
  background: var(--mui-divider);
}
.login-divider::before { left: 0; }
.login-divider::after { right: 0; }
.login-divider span { background: var(--mui-bg-paper); padding: 0 8px; }

/* Language switcher (in app bar) */
.lang-switcher { position: relative; display: inline-block; }
.lang-switcher #lang-switcher-btn {
  width: auto; min-width: 36px; padding: 0 8px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.04em;
}
.lang-switcher-menu {
  position: absolute;
  top: calc(100% + 4px); right: 0;
  list-style: none;
  margin: 0; padding: 4px 0;
  background: var(--mui-bg-paper);
  border: 1px solid var(--mui-divider);
  border-radius: var(--mui-radius);
  box-shadow: var(--mui-shadow-4);
  min-width: 160px;
  z-index: 20;
  display: none;
}
.lang-switcher-menu.open { display: block; }
.lang-switcher-menu li { margin: 0; padding: 0; }
.lang-switcher-menu button {
  display: block;
  width: 100%;
  padding: 8px 14px;
  background: transparent;
  border: none;
  text-align: left;
  font: inherit;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  color: var(--mui-text-primary);
  height: auto;
  cursor: pointer;
}
.lang-switcher-menu button:hover { background: var(--mui-action-hover); }
.lang-switcher-divider {
  height: 1px;
  background: var(--mui-divider);
  margin: 4px 0;
}
.lang-switcher-auto button { color: var(--mui-primary); font-weight: 500; }

/* Account avatar in the AppBar */
.acct-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 6px;
  border: 1px solid var(--mui-divider);
  object-fit: cover;
  transition: transform 120ms;
}
a:has(> .acct-avatar):hover .acct-avatar { transform: scale(1.1); }

/* Admin shortcut pill in the public nav */
.nav-admin-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 14px;
  background: var(--mui-action-selected);
  color: var(--mui-primary);
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid var(--mui-primary);
}
.nav-admin-link:hover { background: var(--mui-primary); color: var(--mui-primary-contrast); }
.nav-admin-link .material-symbols-outlined { font-size: 16px; }

/* Inverse: 'Back to public' from /admin */
.nav-public-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 14px;
  background: transparent;
  color: var(--mui-text-secondary);
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid var(--mui-divider);
}
.nav-public-link:hover { background: var(--mui-action-hover); color: var(--mui-text-primary); border-color: var(--mui-text-secondary); }
.nav-public-link .material-symbols-outlined { font-size: 16px; }

/* ── Admin ──────────────────────────────────────────────────────────── */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}
.kpi {
  background: var(--mui-bg-paper);
  border-radius: var(--mui-radius);
  box-shadow: var(--mui-shadow-1);
  padding: 20px;
}
.kpi .label {
  color: var(--mui-text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}
.kpi .value {
  font-size: 32px;
  font-weight: 300;
  margin-top: 8px;
  color: var(--mui-text-primary);
}
.kpi .delta { color: var(--mui-text-secondary); font-size: 12px; margin-top: 6px; }

.admin-table {
  width: 100%;
  background: var(--mui-bg-paper);
  border-collapse: collapse;
  border-radius: var(--mui-radius);
  overflow: hidden;
  box-shadow: var(--mui-shadow-1);
  font-size: 13px;
}
.admin-table th, .admin-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--mui-divider);
}
.admin-table th {
  background: var(--mui-bg-default);
  color: var(--mui-text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.06em;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--mui-action-hover); }
.admin-section h2 {
  font-size: 18px;
  font-weight: 500;
  margin: 32px 0 16px;
  color: var(--mui-text-primary);
}
.chip {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
}
.chip-active { background: rgba(46,125,50,0.15); color: var(--mui-success); }
.chip-canceled { background: rgba(211,47,47,0.15); color: var(--mui-error); }
.chip-past { background: rgba(237,108,2,0.15); color: var(--mui-warning); }

/* ── Snackbar ───────────────────────────────────────────────────────── */
.snackbar {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #323232;
  color: #fff;
  padding: 12px 12px 12px 20px;
  border-radius: var(--mui-radius);
  box-shadow: var(--mui-shadow-4);
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: min(540px, 90vw);
}
.snackbar.show { opacity: 1; pointer-events: auto; }
.snackbar .snackbar-text { flex: 1; }
.snackbar .snackbar-close {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  padding: 0;
  width: 28px;
  height: 28px;
  min-width: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font: inherit;
}
.snackbar .snackbar-close:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.snackbar .snackbar-close .material-symbols-outlined { font-size: 18px; }