:root { color-scheme: dark; font-family: Inter, system-ui, Arial, sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; background: #111; color: #f6f6f6; }
.panel { max-width: 1280px; margin: 28px auto; padding: 24px; }
h1 { margin-top: 0; }

.app-header { display: grid; grid-template-columns: auto minmax(240px, 1fr) auto; align-items: center; gap: 18px; margin-bottom: 18px; }
.brand-wrap { display: flex; align-items: center; min-height: 72px; }
.app-logo { display: block; width: min(320px, 42vw); height: auto; object-fit: contain; }
.app-footer { margin: 28px 0 0; padding: 14px 0 0; border-top: 1px solid #2d2d2d; color: #9ca3af; font-size: 13px; text-align: center; letter-spacing: .02em; }

.app-header h1 { margin-bottom: 6px; }
.header-mid { display: flex; align-items: center; justify-content: center; min-height: 72px; }
.header-status { width: min(520px, 100%); max-width: 520px; padding: 10px 12px; border: 1px solid #2d4b7f; border-radius: 12px; background: #121b2f; color: #b9d1ff; font-size: 14px; line-height: 1.35; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 22px; padding: 8px; border: 1px solid #2d2d2d; border-radius: 18px; background: #151515; position: sticky; top: 0; z-index: 5; }
.tab { width: auto; min-height: 42px; padding: 9px 14px; border-color: #383838; background: #202020; color: #f0f0f0; font-weight: 800; }
.tab.active, .tab[aria-selected="true"] { background: #2b63ff; border-color: #2b63ff; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.card { border: 1px solid #333; border-radius: 16px; padding: 18px; margin: 0 0 18px; background: #151515; }
.card h2 { margin-top: 0; }
.config-card.flat { margin: 0 0 18px; }
.compact-grid { margin-top: 10px; }
.primary-actions { align-items: stretch; }
.start-button { background: #168a3a; border-color: #168a3a; }
.wide-field { grid-column: 1 / -1; }

.hint { color: #c7c7c7; line-height: 1.45; }
.small { font-size: 14px; }
code { background: #050505; border: 1px solid #333; padding: 1px 6px; border-radius: 6px; }
.config-card { border: 1px solid #333; border-radius: 16px; padding: 14px 16px; margin: 18px 0 24px; background: #151515; }
.config-card summary { cursor: pointer; font-weight: 800; font-size: 18px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px 20px; margin: 20px 0; align-items: end; }
.config-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.log-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.main-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
label { display: grid; gap: 8px; font-weight: 700; min-width: 0; }
input, select, button, textarea { width: 100%; min-width: 0; font: inherit; border-radius: 10px; border: 1px solid #444; padding: 10px 12px; background: #1c1c1c; color: #fff; }
input[type="color"] { padding: 3px; height: 44px; max-width: 76px; }
input[type="range"] { padding-left: 0; padding-right: 0; }
input[type="file"] { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
textarea { resize: vertical; min-height: 96px; line-height: 1.35; }
button { cursor: pointer; background: #2b63ff; border-color: #2b63ff; min-height: 44px; overflow-wrap: anywhere; }
button:disabled { opacity: .45; cursor: not-allowed; }
.buttons { display: flex; flex-wrap: wrap; gap: 12px; margin: 20px 0; }
.buttons button { width: auto; }
audio { width: 100%; margin: 12px 0 24px; }
pre { white-space: pre-wrap; min-height: 140px; background: #050505; border: 1px solid #333; border-radius: 14px; padding: 16px; font-size: 18px; line-height: 1.5; }
.status { color: #b9d1ff; line-height: 1.4; }
.hidden { display: none !important; }
.subtitle-body { overflow: hidden; width: 100vw; height: 100vh; background: #00ff00; }
.subtitle-box { --max-lines: 2; position: fixed; left: 50%; bottom: 7vh; transform: translateX(-50%); width: min(92vw, 1600px); max-width: min(92vw, 1600px); box-sizing: border-box; text-align: left; padding: .25em .55em; border-radius: .22em; font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans Arabic', 'Noto Sans CJK JP', 'Noto Sans CJK SC', 'Arial Unicode MS', sans-serif; font-weight: 800; line-height: 1.18; letter-spacing: .01em; color: #fff; background: rgba(0,0,0,.75); font-size: 54px; text-shadow: 0 2px 6px rgba(0,0,0,.7); overflow: hidden; }
.subtitle-box span { overflow-wrap: normal; }
.subtitle-line { display: block; white-space: normal; }
.subtitle-measure { position: fixed; left: -200vw; top: 0; visibility: hidden; pointer-events: none; box-sizing: border-box; text-align: left; font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans Arabic', 'Noto Sans CJK JP', 'Noto Sans CJK SC', 'Arial Unicode MS', sans-serif; font-weight: 800; line-height: 1.18; letter-spacing: .01em; white-space: nowrap; overflow-wrap: normal; display: inline-block; }
.corner-logo { position: fixed; max-width: 200px; max-height: 200px; object-fit: contain; z-index: 2; display: none; }
.corner-logo.top-left { top: 4vh; left: 4vw; }
.corner-logo.top-right { top: 4vh; right: 4vw; }
.corner-logo.bottom-left { bottom: 4vh; left: 4vw; }
.corner-logo.bottom-right { bottom: 4vh; right: 4vw; }
@media (max-width: 680px) { .panel { padding: 16px; margin: 12px auto; } .grid { grid-template-columns: 1fr; } .buttons button { width: 100%; } }

@media (max-width: 760px) { .app-header { display: block; } .header-mid { min-height: 0; margin-top: 12px; } .header-status { max-width: none; margin-top: 12px; } .tabs { position: static; } .tab { flex: 1 1 44%; } }
.field-help { display: block; color: #bcbcbc; font-size: 12px; line-height: 1.35; font-weight: 500; }

.log-toolbar { align-items: center; }
.checkbox-label { display: flex; align-items: center; gap: 10px; min-height: 44px; }
.checkbox-label input { width: auto; min-width: auto; }
.debug-log { min-height: 440px; max-height: 60vh; overflow: auto; font-size: 13px; line-height: 1.45; white-space: pre-wrap; background: #030712; border-color: #1f2a44; color: #d8e7ff; }

.audio-return-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
  border: 1px solid #2f2f2f;
  border-radius: 14px;
  background: #151515;
}
.audio-return-state {
  color: #e8e8e8;
  font-weight: 600;
}
.audio-return-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
#translatedAudio {
  display: none;
}
@media (max-width: 760px) {
  .audio-return-box {
    align-items: stretch;
    flex-direction: column;
  }
}

.sessions-list { display: grid; gap: 16px; margin-top: 16px; }
.session-card { border: 1px solid #333; border-radius: 18px; padding: 16px; background: #161616; }
.session-card.running { border-color: #2f6bff; box-shadow: 0 0 0 1px rgba(47,107,255,0.25); }
.session-header { display: grid; grid-template-columns: minmax(220px, 1fr) auto; gap: 12px; align-items: end; margin-bottom: 12px; }
.session-state { padding: 8px 10px; border-radius: 999px; background: #222; color: #d8d8d8; font-size: 13px; max-width: 420px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.session-grid { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.session-actions { margin-top: 12px; flex-wrap: wrap; }
.session-meter-wrap { margin-top: 12px; }
.session-meter-scale { display: flex; justify-content: space-between; color: #9ca3af; font-size: 11px; line-height: 1; margin: 0 2px 5px; }
.session-meter { height: 14px; border-radius: 999px; overflow: hidden; background: repeating-linear-gradient(to right, #2a2a2a 0, #2a2a2a calc(25% - 1px), #404040 calc(25% - 1px), #404040 25%); }
.session-meter > div { height: 100%; width: 0%; background: linear-gradient(to right, #2f6bff, #22c55e, #f59e0b); transition: width 90ms linear; }
.session-meter-readout { margin-top: 5px; color: #cbd5e1; font-size: 12px; font-variant-numeric: tabular-nums; }
.session-card audio { display: none; }
@media (max-width: 760px) { .session-header { grid-template-columns: 1fr; } }
.session-log-path {
  margin: 8px 0 0;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(0,0,0,0.04);
  color: #4b5563;
  font-size: 0.88rem;
  overflow-wrap: anywhere;
}

.session-subtitle-details {
  margin: 14px 0 4px;
  padding: 12px;
  border: 1px solid #2b2b2b;
  border-radius: 14px;
  background: #121212;
}
.session-subtitle-details summary {
  cursor: pointer;
  font-weight: 800;
  color: #dbe8ff;
}
.session-subtitle-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin: 14px 0 2px;
}
.sess-log-enabled-wrap {
  align-self: center;
  min-height: 44px;
}
.session-log-path {
  background: #101827;
  color: #c9dbff;
  border: 1px solid #263a61;
}

/* v2.7 subtitle renderer: each visual line is built explicitly in JS so words
   already displayed do not reflow when new words arrive. Older lines disappear
   upward when the max line count is reached, similar to live captions. */
.subtitle-line {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: clip;
}
.subtitle-box[dir="rtl"] .subtitle-line {
  unicode-bidi: plaintext;
}
#audioDiagnostics { min-height: 320px; }

/* v2.8: fixed-width subtitle region, permanent left alignment. This prevents
   the block from growing out of the centre and moving already displayed words. */
.subtitle-box { text-align: left !important; }
.subtitle-line { text-align: left !important; }
.subtitle-measure { text-align: left !important; }

/* v2.11 UI cleanup: session cards organized by category with contextual help bubbles. */
.field-title {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
}
.field-help-bubble {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  border-radius: 999px;
  border: 1px solid #4a5568;
  background: #202a3d;
  color: #dbeafe;
  font-size: 12px;
  line-height: 1;
  font-weight: 900;
  cursor: help;
  user-select: none;
}
.field-help-bubble:hover,
.field-help-bubble:focus {
  background: #2b63ff;
  border-color: #7aa2ff;
  color: #ffffff;
}
.session-section {
  margin: 14px 0;
  padding: 14px;
  border: 1px solid #2b2b2b;
  border-radius: 14px;
  background: #121212;
}
.session-section h3 {
  margin: 0 0 12px;
  font-size: 15px;
  letter-spacing: .02em;
  color: #dbe8ff;
  text-transform: uppercase;
}
.session-audio-layout {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(240px, 1fr);
  gap: 18px;
  align-items: start;
}
.session-audio-column {
  display: grid;
  gap: 12px;
}
.session-language-grid {
  margin: 0;
  grid-template-columns: minmax(240px, 360px);
}
.session-recording-layout {
  display: grid;
  grid-template-columns: minmax(220px, .75fr) minmax(260px, 1.25fr);
  gap: 18px;
  align-items: end;
}
.session-recording-layout .checkbox-label {
  align-items: center;
  justify-content: flex-start;
  padding: 9px 0;
}
.session-subtitle-details {
  margin-top: 14px;
}
.session-subtitle-grid {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}
@media (max-width: 840px) {
  .session-audio-layout,
  .session-recording-layout {
    grid-template-columns: 1fr;
  }
  .session-language-grid {
    grid-template-columns: 1fr;
  }
}


/* v2.12 UI sections and tooltips */
.field-help-bubble { position: relative; }
.field-help-bubble::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%) translateY(4px);
  width: max-content;
  max-width: 340px;
  padding: 9px 11px;
  border: 1px solid #38527c;
  border-radius: 10px;
  background: #071120;
  color: #e8f1ff;
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
  font-size: 12px;
  line-height: 1.35;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  z-index: 100;
  transition: opacity .12s ease 1s, transform .12s ease 1s;
  white-space: normal;
}
.field-help-bubble:hover::after,
.field-help-bubble:focus::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.session-details,
.settings-group {
  margin: 14px 0;
  padding: 12px 14px;
  border: 1px solid #2b2b2b;
  border-radius: 14px;
  background: #121212;
}
.session-details summary,
.settings-group summary {
  cursor: pointer;
  font-weight: 900;
  color: #dbe8ff;
  text-transform: uppercase;
  letter-spacing: .02em;
  min-height: 28px;
  display: flex;
  align-items: center;
}
.settings-group summary { text-transform: none; font-size: 16px; }
.session-actions-top { margin: 8px 0 14px; align-items: center; }
.session-actions-top button { min-width: 140px; }
.session-actions-top .sess-open-subtitles,
.session-actions-top .sess-clear { min-width: 168px; }
.danger-button { background: #b42318; border-color: #b42318; color: #fff; }
.danger-button:hover:not(:disabled) { background: #dc2626; border-color: #dc2626; }
.session-card label { align-content: end; }
.session-card label input,
.session-card label select,
.session-card button { min-height: 44px; }
.field-title { min-height: 22px; }
.session-audio-layout,
.session-recording-layout { align-items: end; }
.session-subtitle-details { margin-top: 14px; }
#panel-subtitles, #panel-recording { display: none !important; }
@media (max-width: 760px) { .session-actions-top button { flex: 1 1 100%; } }

/* v2.13 UI refinements */
.session-details summary,
.settings-group summary {
  gap: 8px;
}
.session-details summary::-webkit-details-marker,
.settings-group summary::-webkit-details-marker { display: none; }
.session-details summary::marker,
.settings-group summary::marker { content: ''; }
.section-arrow,
.settings-group summary::before {
  display: inline-flex;
  width: 1em;
  height: 1em;
  align-items: center;
  justify-content: center;
  color: #93c5fd;
  font-size: 12px;
  line-height: 1;
  flex: 0 0 1em;
}
.section-arrow::before,
.settings-group summary::before { content: '▶'; }
.session-details[open] .section-arrow::before,
.settings-group[open] summary::before { content: '▼'; }
.session-actions-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 10px 0 12px;
}
.session-actions-top .sess-open-subtitles,
.session-actions-top .sess-clear { min-width: 160px; }
.session-actions-top .sess-remove {
  margin-left: auto;
}
.session-live-info {
  display: grid;
  grid-template-columns: minmax(260px, 420px) minmax(260px, 1fr);
  gap: 12px 16px;
  align-items: end;
  margin: 8px 0 14px;
}
.session-live-info .session-meter-wrap { margin-top: 0; }
.session-live-info .session-log-path { margin: 0; min-height: 44px; display: flex; align-items: center; }
.session-card label,
.session-card .field-title { min-height: 22px; }
.session-card input,
.session-card select,
.session-card button,
#panel-logs input,
#panel-logs select,
#panel-logs button,
#panel-settings input,
#panel-settings select,
#panel-settings button { min-height: 44px; }
.diag-output-grid {
  grid-template-columns: minmax(280px, 1fr) minmax(220px, 280px) auto;
}
.text-sessions-list {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}
.text-session-card {
  border: 1px solid #2d2d2d;
  border-radius: 14px;
  background: #121212;
  padding: 14px;
}
.text-session-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.text-session-header h3 { margin: 0; }
.text-session-header span { color: #b7c7e6; font-size: 13px; }
.session-text-view {
  min-height: 120px;
  max-height: 320px;
  overflow: auto;
  margin: 0;
}
.hidden-transcript { display: none; }
#panel-settings .card.config-card.flat > .settings-group {
  margin-left: 0;
  margin-right: 0;
}
@media (max-width: 900px) {
  .session-live-info,
  .diag-output-grid { grid-template-columns: 1fr; }
  .session-actions-top .sess-remove { margin-left: 0; }
}

/* v2.14 UI polish */
.tabs { align-items: center; }
.ui-language-picker { margin-left: auto; display: flex; align-items: center; }
.ui-language-picker label { display: block; min-width: 92px; }
.ui-language-picker select { min-height: 42px; padding: 8px 10px; font-weight: 900; background: #202020; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.session-live-info { display: block; margin: 8px 0 14px; }
.session-live-info .session-meter-wrap { width: 100%; margin-top: 0; }
.session-recording-layout { display: grid; grid-template-columns: minmax(220px, 280px) minmax(260px, 1fr); gap: 14px 18px; align-items: end; }
.recording-session-section .session-log-path { grid-column: 1 / -1; margin-top: 2px; min-height: 44px; display: flex; align-items: center; gap: 8px; }
#panel-logs .log-grid { grid-template-columns: minmax(300px, 1fr) minmax(220px, 280px) minmax(160px, 200px); align-items: end; }
#panel-logs .diag-output-grid { grid-template-columns: minmax(300px, 1fr) minmax(220px, 280px) minmax(160px, 200px); align-items: end; }
#panel-logs .log-grid button, #panel-logs .diag-output-grid button { width: 100%; }
.monitor-grid { grid-template-columns: minmax(280px, 1fr) minmax(280px, 1fr) minmax(160px, 220px); align-items: end; }
.admin-footer-note { margin: 22px 0 0; padding-top: 14px; border-top: 1px solid #2d2d2d; color: #9ca3af; font-size: 13px; text-align: center; letter-spacing: .02em; }
.field-help-bubble::after { transition-delay: 1s; }
@media (max-width: 900px) { #panel-logs .log-grid, #panel-logs .diag-output-grid, .monitor-grid, .session-recording-layout { grid-template-columns: 1fr; } .ui-language-picker { margin-left: 0; width: 100%; } .ui-language-picker label { width: 100%; } }

/* v2.18 dashboard accueil */
.dashboard-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin: 16px 0 18px;
}
.dashboard-kpi {
  padding: 14px;
  border: 1px solid #263a61;
  border-radius: 14px;
  background: #101827;
}
.dashboard-kpi strong {
  display: block;
  font-size: 28px;
  line-height: 1;
  color: #ffffff;
  font-variant-numeric: tabular-nums;
}
.dashboard-kpi span {
  display: block;
  margin-top: 7px;
  color: #b9d1ff;
  font-size: 13px;
  font-weight: 700;
}
.dashboard-sessions { display: grid; gap: 14px; }
.dashboard-session {
  border: 1px solid #333;
  border-radius: 16px;
  padding: 14px;
  background: #131313;
}
.dashboard-session.active {
  border-color: #2f6bff;
  box-shadow: 0 0 0 1px rgba(47,107,255,0.18);
}
.dashboard-session-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}
.dashboard-session-head h3 { margin: 0 0 4px; }
.dashboard-session-head p { margin: 0; color: #b9c2d0; font-size: 13px; }
.dashboard-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
}
.dashboard-metric {
  display: grid;
  gap: 6px;
  padding: 12px;
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  background: #0f0f0f;
  min-width: 0;
}
.dashboard-metric span { color: #9ca3af; font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .03em; }
.dashboard-metric strong { font-size: 18px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.dashboard-metric small { color: #b9c2d0; overflow-wrap: anywhere; }
.dash-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  max-width: 100%;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  border: 1px solid #3a3a3a;
  background: #202020;
  color: #e5e7eb;
  white-space: nowrap;
}
.dash-pill.ok { border-color: #176b37; background: #12351f; color: #bbf7d0; }
.dash-pill.warn { border-color: #7c5a12; background: #3a2a0d; color: #fde68a; }
.dash-pill.idle { border-color: #3a3a3a; background: #202020; color: #cbd5e1; }
.dashboard-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.dashboard-actions button { width: auto; }
@media (max-width: 760px) {
  .dashboard-session-head { display: grid; }
  .dashboard-actions button { width: 100%; }
}

.user-menu { margin-left: auto; display: flex; align-items: center; align-self: center; gap: 10px; font-size: 13px; color: var(--muted); }
.user-menu button { padding: 7px 10px; }
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at top, rgba(255,255,255,0.08), transparent 45%), var(--bg, #080a10); }
.auth-card { width: min(440px, 100%); padding: 28px; border-radius: 24px; background: rgba(13, 18, 30, 0.92); border: 1px solid rgba(255,255,255,0.12); box-shadow: 0 24px 80px rgba(0,0,0,0.35); }
.auth-logo { display: block; width: 180px; max-width: 70%; margin: 0 auto 18px; }
.auth-card h1 { margin: 0 0 10px; text-align: center; }
.auth-form { display: grid; gap: 14px; margin-top: 18px; }
.auth-form label { display: grid; gap: 6px; }
.users-list { display: grid; gap: 10px; margin-top: 18px; }
.user-row { display: grid; grid-template-columns: 1.2fr 1fr 0.8fr auto; gap: 10px; align-items: center; padding: 12px; border: 1px solid rgba(255,255,255,0.10); border-radius: 16px; background: rgba(255,255,255,0.04); }
.user-row strong { display: block; }
.user-row small { color: var(--muted); }
.user-row .buttons { margin: 0; justify-content: flex-end; }
@media (max-width: 760px) { .user-row { grid-template-columns: 1fr; } .user-menu { width: 100%; justify-content: flex-end; } }