/* style.css — Qalcurate design tokens + components */
/* Brand: Qalcurate platform (navy, Action Blue, blue-cyan gradient, Inter) — 12/11/2026 */

/* ============ FONTS ============ */
/* Inter (Qalcurate brand typeface, self-hosted); timer digits use tabular figures */

@font-face {
  font-family: 'Inter';
  src: url('./assets/fonts/InterVariable.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ============ TYPE SCALE ============ */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);

  --font-display: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'Inter', system-ui, sans-serif;

  /* 4px spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 480px;
  --content-default: 720px;
}

/* ============ COLOR — LIGHT (default) ============ */
/* Qalcurate palette: Navy #0B1020 · Action Blue #1D63E8 · Blue #4F8CFF · Cyan #22D3EE (same tokens as app.qalcurate.com) */
:root,
[data-theme='light'] {
  --color-bg: #f7f9fc;
  --color-surface: #ffffff;
  --color-surface-2: #fbfcfe;
  --color-surface-offset: #eef1f6;
  --color-surface-offset-2: #e4e9f2;
  --color-divider: #e4e9f2;
  --color-border: #d3dae6;

  --color-text: #0b1020;
  --color-text-muted: #4a5578;
  --color-text-faint: #7a849e;
  --color-text-inverse: #ffffff;

  /* Primary accent — Action Blue (brand CTA) */
  --color-primary: #1d63e8;
  --color-primary-hover: #1652c4;
  --color-primary-active: #0f3f9e;
  --color-primary-highlight: #e2ecff;
  --color-primary-strong: #1d63e8;

  /* Success — synced */
  --color-success: #12a150;
  --color-success-hover: #0e8341;
  --color-success-highlight: #e8f7ee;

  /* Warning — pending */
  --color-warning: #a86a00;
  --color-warning-hover: #8a5700;
  --color-warning-highlight: #fff5e0;

  /* Error — recording / destructive */
  --color-error: #d93838;
  --color-error-hover: #b42c2c;
  --color-error-highlight: #fdecec;

  --shadow-sm: 0 1px 2px oklch(0.2 0.04 265 / 0.08);
  --shadow-md: 0 6px 16px oklch(0.2 0.04 265 / 0.12);
  --shadow-lg: 0 16px 40px oklch(0.2 0.04 265 / 0.18);
}

/* ============ COLOR — DARK ============ */
/* Dark mode of the Qalcurate platform: neutral graphite surfaces, light Action Blue accent */
[data-theme='dark'] {
  --color-bg: #202228;
  --color-surface: #25272e;
  --color-surface-2: #2a2c34;
  --color-surface-offset: #2c2f37;
  --color-surface-offset-2: #363942;
  --color-divider: #363942;
  --color-border: #43464f;

  --color-text: #eceef3;
  --color-text-muted: #aab0be;
  --color-text-faint: #8c93a3;
  --color-text-inverse: #0b1020;

  --color-primary: #6ea5ff;
  --color-primary-hover: #8db8ff;
  --color-primary-active: #4f8cff;
  --color-primary-highlight: #2e3852;
  --color-primary-strong: #8db8ff;

  --color-success: #2bc26b;
  --color-success-hover: #4fd287;
  --color-success-highlight: #0f2a1d;

  --color-warning: #e5a21a;
  --color-warning-hover: #efb84a;
  --color-warning-highlight: #2b2210;

  --color-error: #f06464;
  --color-error-hover: #f48787;
  --color-error-highlight: #321619;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 16px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #202228;
    --color-surface: #25272e;
    --color-surface-2: #2a2c34;
    --color-surface-offset: #2c2f37;
    --color-surface-offset-2: #363942;
    --color-divider: #363942;
    --color-border: #43464f;
    --color-text: #eceef3;
    --color-text-muted: #aab0be;
    --color-text-faint: #8c93a3;
    --color-text-inverse: #0b1020;
    --color-primary: #6ea5ff;
    --color-primary-hover: #8db8ff;
    --color-primary-active: #4f8cff;
    --color-primary-highlight: #2e3852;
    --color-primary-strong: #8db8ff;
    --color-success: #2bc26b;
    --color-success-hover: #4fd287;
    --color-success-highlight: #0f2a1d;
    --color-warning: #e5a21a;
    --color-warning-hover: #efb84a;
    --color-warning-highlight: #2b2210;
    --color-error: #f06464;
    --color-error-hover: #f48787;
    --color-error-highlight: #321619;
  }
}

/* Skip link — visible only on keyboard focus */
a.sr-only:focus-visible {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  width: auto;
  height: auto;
  padding: var(--space-2) var(--space-4);
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  z-index: 100;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
}

/* ============ LAYOUT SHELL ============ */
.app-shell {
  max-width: var(--content-narrow);
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.brand-logo {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  object-fit: contain;
}

.brand-logo-dark { display: none; }

[data-theme='dark'] .brand-logo-light { display: none; }
[data-theme='dark'] .brand-logo-dark { display: block; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .brand-logo-light { display: none; }
  :root:not([data-theme]) .brand-logo-dark { display: block; }
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.icon-btn:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}
.icon-btn svg {
  width: 20px;
  height: 20px;
}

.lang-toggle-btn {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
}

/* ============ SIDE MENU ============ */
.side-menu-backdrop {
  position: fixed;
  inset: 0;
  background: color-mix(in oklab, black 45%, transparent);
  z-index: 40;
}
.side-menu {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(280px, 82vw);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  z-index: 50;
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}
.side-menu.is-open {
  transform: translateX(0);
}
.side-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.side-menu-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}
.side-menu-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
}
.side-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: var(--text-sm);
  text-align: left;
  width: 100%;
}
.side-menu-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.side-menu-item:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}
.side-menu-item.is-active {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}

.side-menu-footer {
  margin-top: auto;
  padding: var(--space-3);
  border-top: 1px solid var(--color-divider);
}
.side-menu-theme-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: var(--text-sm);
  text-align: left;
  width: 100%;
}
.side-menu-theme-btn:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}
.side-menu-theme-icon {
  display: inline-flex;
  flex-shrink: 0;
}
.side-menu-theme-icon svg {
  width: 20px;
  height: 20px;
}

/* ============ RECORDING FOCUS MODE ============ */
/* While actively recording, hide header + bottom nav so the recorder card
   and transcript box get the full viewport. */
.app-shell.is-recording .app-header,
.app-shell.is-recording .bottom-nav {
  display: none;
}
.app-shell.is-recording .app-main {
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
}
.app-shell.is-recording .transcript-box {
  max-height: min(55vh, 480px);
}

/* Connectivity chip */
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  white-space: nowrap;
}
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-text-faint);
  flex-shrink: 0;
}
.status-chip[data-state='online'] .status-dot {
  background: var(--color-success);
  box-shadow: 0 0 0 3px var(--color-success-highlight);
}
.status-chip[data-state='offline'] .status-dot {
  background: var(--color-error);
  box-shadow: 0 0 0 3px var(--color-error-highlight);
}
.status-chip[data-state='syncing'] .status-dot {
  background: var(--color-warning);
  animation: pulse-dot 1s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ============ MAIN / VIEWS ============ */
.app-main {
  flex: 1;
  padding: var(--space-5) var(--space-5) var(--space-24);
}

.view {
  display: none;
  flex-direction: column;
  gap: var(--space-6);
  animation: view-in 220ms cubic-bezier(0.16, 1, 0.3, 1);
}
.view.is-active {
  display: flex;
}
@keyframes view-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  letter-spacing: -0.01em;
}

.page-subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

/* ============ RECORDER VIEW ============ */
.recorder-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-5);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.title-input-row label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.title-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  font-size: var(--text-base);
}
.title-input:focus-visible {
  border-color: var(--color-primary);
}

.waveform-wrap {
  position: relative;
  height: 96px;
  border-radius: var(--radius-md);
  background: var(--color-surface-offset);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
#waveform {
  width: 100%;
  height: 100%;
  display: block;
}
.waveform-idle-label {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}
.waveform-idle-label .idle-caption {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.lang-mini-select {
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}
.lang-mini-select:focus-visible {
  border-color: var(--color-primary);
}

.timer-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-2);
}
.timer {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}
.rec-indicator {
  display: none;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.rec-indicator .rec-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse-dot 1s ease-in-out infinite;
}
[data-recording='true'] .rec-indicator {
  display: inline-flex;
}

.record-btn-wrap {
  display: flex;
  justify-content: center;
  padding: var(--space-2) 0;
}
.record-btn {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px color-mix(in oklab, var(--color-primary) 45%, transparent);
  position: relative;
}
.record-btn::after {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px solid color-mix(in oklab, var(--color-primary) 35%, transparent);
}
.record-btn:active {
  transform: scale(0.96);
}
.record-btn svg {
  width: 30px;
  height: 30px;
}
[data-recording='true'] .record-btn {
  background: var(--color-error);
  animation: rec-breathe 1.6s ease-in-out infinite;
}
@keyframes rec-breathe {
  0%, 100% { box-shadow: 0 8px 24px color-mix(in oklab, var(--color-error) 45%, transparent); }
  50% { box-shadow: 0 8px 32px color-mix(in oklab, var(--color-error) 65%, transparent); }
}
.record-btn-icon-stop {
  display: none;
}
[data-recording='true'] .record-btn-icon-mic { display: none; }
[data-recording='true'] .record-btn-icon-stop { display: block; }

.record-hint {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.transcript-panel {
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-5);
}
.transcript-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}
.transcript-label span:first-child {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.asr-support-badge {
  font-size: var(--text-xs);
  color: var(--color-warning);
  font-weight: 600;
}
.transcript-box {
  min-height: 120px;
  max-height: 260px;
  overflow-y: auto;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  font-size: var(--text-base);
  line-height: 1.65;
  white-space: pre-wrap;
}
.transcript-box:empty::before,
.transcript-box[data-empty='true']::before {
  content: attr(data-placeholder);
  color: var(--color-text-faint);
}
.transcript-interim {
  color: var(--color-text-muted);
}

.banner {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  background: var(--color-warning-highlight);
  color: var(--color-warning);
  border: 1px solid color-mix(in oklab, var(--color-warning) 30%, transparent);
}
.banner svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}
.banner[hidden] { display: none; }

.toast-stack {
  position: fixed;
  bottom: calc(var(--space-20) + env(safe-area-inset-bottom, 0px));
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  z-index: 50;
  pointer-events: none;
  padding: 0 var(--space-4);
}
.toast {
  background: var(--color-text);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  max-width: 100%;
  text-align: center;
  animation: toast-in 220ms cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ HISTORY VIEW ============ */
.history-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.pill-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.pill-btn:hover {
  background: var(--color-surface-offset-2);
}
.pill-btn svg {
  width: 16px;
  height: 16px;
}
.pill-btn.is-danger {
  color: var(--color-error);
  border-color: color-mix(in oklab, var(--color-error) 40%, transparent);
  background: transparent;
}
.pill-btn.is-danger:hover {
  background: var(--color-error-highlight);
}

.recording-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.recording-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.recording-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  cursor: pointer;
}
.recording-card-title {
  font-weight: 700;
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}
.recording-card-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-wrap: wrap;
}
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  flex-shrink: 0;
}
.status-badge[data-status='pending'] {
  background: var(--color-warning-highlight);
  color: var(--color-warning);
}
.status-badge[data-status='synced'] {
  background: var(--color-success-highlight);
  color: var(--color-success);
}
.status-badge[data-status='error'] {
  background: var(--color-error-highlight);
  color: var(--color-error);
}
.recording-card-preview {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.recording-card-body {
  display: none;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  flex-direction: column;
  gap: var(--space-3);
}
.recording-card.is-open .recording-card-body {
  display: flex;
}
.recording-card audio {
  width: 100%;
}
.recording-full-transcript {
  font-size: var(--text-sm);
  line-height: 1.6;
  white-space: pre-wrap;
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  max-height: 200px;
  overflow-y: auto;
}
.recording-card-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.small-btn {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: var(--color-surface-2);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}
.small-btn:hover { background: var(--color-surface-offset); }
.small-btn.danger {
  color: var(--color-error);
  border-color: color-mix(in oklab, var(--color-error) 40%, transparent);
}
.small-btn svg { width: 14px; height: 14px; }

.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-4);
  color: var(--color-text-faint);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}
[hidden] {
  display: none !important;
}
.empty-state svg {
  width: 40px;
  height: 40px;
  opacity: 0.5;
}

/* ============ SETTINGS VIEW ============ */
.settings-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.settings-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
}
.field-group label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.field-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-2);
}
.field-input,
.field-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  font-size: var(--text-sm);
}
.field-input:focus-visible,
.field-select:focus-visible {
  border-color: var(--color-primary);
}
.btn-row {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 700;
  flex: 1;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary {
  background: var(--color-surface-offset);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-surface-offset-2); }
.btn-danger {
  background: transparent;
  color: var(--color-error);
  border: 1px solid color-mix(in oklab, var(--color-error) 40%, transparent);
}
.btn-danger:hover { background: var(--color-error-highlight); }
.btn svg { width: 16px; height: 16px; }

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-sm);
}
.settings-row .val {
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-text);
}

.about-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}
.about-text a {
  color: var(--color-primary);
}

/* ============ BOTTOM NAV ============ */
.bottom-nav {
  position: sticky;
  bottom: 0;
  z-index: 20;
  display: flex;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  padding-bottom: calc(var(--space-2) + env(safe-area-inset-bottom, 0px));
  background: color-mix(in oklab, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--color-divider);
}
.nav-btn {
  flex: 1;
  max-width: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-md);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  font-weight: 600;
  min-height: 52px;
  justify-content: center;
  position: relative;
}
.nav-btn svg {
  width: 22px;
  height: 22px;
}
.nav-btn.is-active {
  color: var(--color-primary);
}
.nav-btn:hover {
  color: var(--color-text);
}
.nav-btn.is-active:hover {
  color: var(--color-primary);
}
.nav-badge {
  position: absolute;
  top: 2px;
  right: calc(50% - 22px);
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: var(--radius-full);
  background: var(--color-warning);
  color: var(--color-text-inverse);
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-badge[hidden] { display: none; }

/* ============ RESPONSIVE ============ */
@media (min-width: 640px) {
  .app-main { padding: var(--space-8) var(--space-8) var(--space-24); }
  .app-header { padding: var(--space-4) var(--space-8); }
}

/* ============ QALCURATE BRANDING (12/11/2026) ============ */
/* Header like app.qalcurate.com: navy gradient in both themes, white wordmark, light controls */
.app-header {
  background: radial-gradient(60% 140% at 0% 0%, rgba(79, 140, 255, 0.22), transparent 70%), linear-gradient(90deg, #16214a 0%, #0f1733 55%, #0b1020 100%);
  backdrop-filter: none;
  border-bottom: 0;
  color: #ffffff;
  padding-top: max(var(--space-3), env(safe-area-inset-top));
  padding-bottom: var(--space-3);
}
.app-header .icon-btn { color: rgba(255, 255, 255, 0.86); }
.app-header .icon-btn:hover { background: rgba(255, 255, 255, 0.1); color: #ffffff; }
.brand { gap: var(--space-3); }
.brand-wordmark { height: 22px; width: auto; display: block; }
.brand-app {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #ffffff;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.app-header .status-chip {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}
/* record button: Qalcurate blue-cyan gradient, red while recording */
.record-btn {
  background: linear-gradient(135deg, #4f8cff, #22d3ee);
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(79, 140, 255, 0.4);
}
.record-btn::after { border-color: rgba(79, 140, 255, 0.35); }
[data-recording='true'] .record-btn { background: var(--color-error); }
.timer, .record-timer { font-variant-numeric: tabular-nums; }