/*
 * app.css — Shared styles for the PlateScan web application.
 * Single light theme optimised for indoor and outdoor readability.
 * System font stack; no external dependencies.
 *
 * Page-specific styles (viewfinder decorations, plate-text sizing,
 * waveform colours, etc.) remain in each page's inline <style> block.
 */

/* ── colour palette ───────────────────────────────────────────── */

:root {
  --bg:      #f7f8fa;
  --panel:   #ffffff;
  --border:  #cdd3db;
  --accent:  #0b5cad;   /* primary / photo */
  --accent2: #c2410c;   /* capture / video / car-photo */
  --text:    #141820;
  --dim:     #5b6576;
  --green:   #166534;
  --red:     #b91c1c;
}

/* ── reset ────────────────────────────────────────────────────── */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

/* ── body ─────────────────────────────────────────────────────── */

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               Oxygen-Sans, Ubuntu, Cantarell, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── header ───────────────────────────────────────────────────── */

header {
  width: 100%;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.header-inner {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 10px 16px 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 1.4rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-decoration: none;
}

.logo span { color: var(--accent2); }

/*
 * back-link provides navigation to the previous page via history.back().
 * Using history.back() ensures the user returns to their actual previous
 * page in the browsing flow (e.g. recordings → plate → back returns to
 * recordings rather than always redirecting to the scanner).
 */
.back-link {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--dim);
  text-decoration: none;
}

.back-link:hover { color: var(--accent); }

.header-install {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--green);
  text-decoration: none;
  white-space: nowrap;
}

.header-install:hover { color: var(--accent); }

.workshop-logo {
  width: 200px;
  height: 55px;
  border: 1px dashed var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--dim);
  flex-shrink: 0;
}

/* ── main layout ──────────────────────────────────────────────── */

main {
  width: 100%;
  max-width: 800px;
  padding: 28px 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
}

/* ── section label ────────────────────────────────────────────── */

.section-label {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--dim);
  text-transform: uppercase;
  margin-bottom: 8px;
}

/* ── plate display (monospace accent label) ───────────────────── */

.plate-display {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 1.2rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-align: center;
  padding: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
}

/* ── buttons ──────────────────────────────────────────────────── */

.btn {
  font-family: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px 20px;
  border: 1.5px solid;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.12s, opacity 0.12s;
  background: var(--panel);
  width: 100%;
  text-align: center;
  display: block;
  text-decoration: none;
}

.btn:hover { opacity: 0.85; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-primary:hover { background: var(--accent); color: #fff; opacity: 1; }

.btn-capture,
.btn-video,
.btn-photo-car {
  border-color: var(--accent2);
  color: var(--accent2);
}
.btn-capture:hover,
.btn-video:hover,
.btn-photo-car:hover {
  background: var(--accent2);
  color: #fff;
  opacity: 1;
}

.btn-photo {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-photo:hover { background: var(--accent); color: #fff; opacity: 1; }

.btn-audio {
  border-color: var(--red);
  color: var(--red);
}
.btn-audio:hover { background: var(--red); color: #fff; opacity: 1; }

.btn-note {
  border-color: var(--green);
  color: var(--green);
}
.btn-note:hover { background: var(--green); color: #fff; opacity: 1; }

.btn-close,
.btn-secondary {
  border-color: var(--border);
  color: var(--dim);
}
.btn-close:hover,
.btn-secondary:hover {
  border-color: var(--dim);
  color: var(--text);
  opacity: 1;
}

/* recording active states */
.btn-audio.recording {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

.btn-video.recording {
  background: var(--accent2);
  color: #fff;
  border-color: var(--accent2);
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

/* ── status / countdown / error ───────────────────────────────── */

.status {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--dim);
  text-align: center;
  min-height: 1.2em;
}

.status.saved { color: var(--green); }

.countdown {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  color: var(--accent2);
  text-align: center;
  display: none;
  min-height: 1.2em;
}

.countdown.show { display: block; }

.error-msg {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.85rem;
  color: var(--red);
  letter-spacing: 0.03em;
  padding: 8px 0;
  display: none;
}

.error-msg.show { display: block; }

/* ── type badge ───────────────────────────────────────────────── */

.type-badge {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
}

/* ── loading spinner ──────────────────────────────────────────── */

.loading-msg {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  color: var(--dim);
  display: none;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 0;
}

.loading-msg.show { display: flex; }

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── viewport wrap ────────────────────────────────────────────── */

.viewport-wrap {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  aspect-ratio: 16/9;
  overflow: hidden;
}

/* Common video / canvas inside a viewport */
#cameraVideo,
#captureCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

#captureCanvas { display: none; }

/* ── capture flash ────────────────────────────────────────────── */

.capture-flash {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  z-index: 15;
  transition: opacity 0.08s;
}

.capture-flash.active { opacity: 1; }

/* ── recording dot ────────────────────────────────────────────── */

.recording-dot {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--red);
  display: none;
  z-index: 20;
  animation: pulse 0.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.recording-dot.show { display: block; }

/* ── scan line ────────────────────────────────────────────────── */

.scan-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  animation: scandown 2.5s linear infinite;
  opacity: 0;
  pointer-events: none;
  z-index: 5;
}

.scanning .scan-line { opacity: 1; }

@keyframes scandown {
  0% { top: 0%; }
  100% { top: 100%; }
}

/* ── play button ──────────────────────────────────────────────── */

.play-btn {
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

/* ── no recordings ────────────────────────────────────────────── */

.no-recordings {
  color: var(--dim);
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  padding: 16px 0;
  text-align: center;
}

/* ── plate render (PT license plate) ──────────────────────────── */

.plate-render {
  display: flex;
  align-items: center;
  background: #ffffff;
  overflow: hidden;
  border-radius: 3px;
}

.plate-eu-badge {
  background: #003399;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  align-self: stretch;
}

.plate-eu-badge svg { display: block; }

.result-plate-text,
.plate-number {
  flex: 1;
  text-align: center;
  color: #111111;
  font-family: 'Arial', 'Helvetica Neue', sans-serif;
}

/* ── recording items (plate detail page) ──────────────────────── */

.plate-recordings {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.recording-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 0 0 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 3px;
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.9rem;
}

/* audio rows get vertical padding for better spacing */
.recording-item:has(audio) {
  padding: 10px 0 10px 14px;
}

.recording-time {
  color: var(--dim);
  font-size: 0.85rem;
  min-width: 140px;
}

.recording-item audio {
  flex: 1;
  height: 32px;
  min-width: 0;
}

.recording-item img {
  flex: 1;
  height: 80px;
  object-fit: cover;
  object-position: center;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 2px;
  cursor: pointer;
}

.recording-type {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--dim);
  min-width: 40px;
  text-align: center;
}

.video-thumb {
  flex: 1;
  position: relative;
  cursor: pointer;
  min-width: 0;
  min-height: 80px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
}

.video-thumb img,
.video-thumb video {
  width: 100%;
  height: 80px;
  object-fit: cover;
  object-position: center;
  display: block;
}

.thumb-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.8rem;
  color: var(--dim);
  pointer-events: none;
}

/* video-thumb play overlay */
.video-thumb .play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.video-thumb.playing .play-overlay {
  display: none;
}

/* ── delete confirmation modal ────────────────────────────────── */

.recording-item .delete-btn {
  font-size: 0.9rem;
  color: var(--dim);
  cursor: pointer;
  padding: 4px 8px;
  user-select: none;
  -webkit-user-select: none;
  flex-shrink: 0;
  margin-left: auto;
}

/* note text content in recording rows */
.note-text {
  flex: 1;
  min-width: 0;
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  padding: 4px 0;
}

.note-text.truncated::after {
  content: '...';
  color: var(--dim);
}

.note-text.note-error {
  color: var(--red);
  font-style: italic;
}

.note-expand {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}
.note-expand:hover { text-decoration: underline; }

/* scan plate text in recording rows */
.scan-plate {
  flex: 1;
  min-width: 0;
  font-family: 'Arial', 'Helvetica Neue', sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: var(--text);
  padding: 4px 0;
}

@media (min-width: 600px) {
  .scan-plate { font-size: 1.1rem; }
}

.confirm-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1001;
  align-items: center;
  justify-content: center;
}

.confirm-overlay.open { display: flex; }

.confirm-dialog {
  background: var(--panel);
  border-radius: 6px;
  padding: 24px;
  max-width: 340px;
  width: 90%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.confirm-title {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--red);
  text-transform: uppercase;
  text-align: center;
}

.confirm-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
}

.confirm-preview img {
  max-width: 100%;
  max-height: 160px;
  object-fit: contain;
  border-radius: 3px;
}

.confirm-preview video {
  max-width: 100%;
  max-height: 160px;
  border-radius: 3px;
}

.confirm-preview audio {
  width: 100%;
}

.confirm-meta {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.85rem;
  color: var(--dim);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.confirm-meta .meta-time { font-size: 0.9rem; color: var(--text); }

.confirm-meta .meta-type {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

.confirm-buttons {
  display: flex;
  gap: 12px;
}

.confirm-buttons button {
  flex: 1;
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 0;
  border: 1.5px solid;
  border-radius: 4px;
  cursor: pointer;
  background: var(--panel);
  transition: background 0.12s;
}

.btn-confirm-delete {
  border-color: var(--red);
  color: var(--red);
}

.btn-confirm-delete:hover {
  background: var(--red);
  color: #fff;
}

.btn-confirm-cancel {
  border-color: var(--border);
  color: var(--dim);
}

.btn-confirm-cancel:hover {
  border-color: var(--dim);
  color: var(--text);
}

/* ── plate summary (recordings page) ──────────────────────────── */

.plate-summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 3px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.15s;
}

.plate-summary:hover {
  border-color: var(--accent);
}

.plate-summary + .plate-summary { margin-top: 4px; }

.summary-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  flex-shrink: 0;
}

.summary-count {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--dim);
  white-space: nowrap;
}

.summary-latest {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: var(--dim);
  white-space: nowrap;
}

.plate-summary-photo {
  flex: 1;
  min-width: 0;
  position: relative;
  border-radius: 3px;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.plate-summary-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.plate-summary-photo-overlay {
  position: absolute;
  bottom: 3px;
  right: 3px;
  display: flex;
  align-items: center;
  background: #ffffff;
  border: 1px solid #111111;
  border-radius: 2px;
  overflow: hidden;
}

.plate-summary-photo-overlay .overlay-text {
  color: #111111;
  font-family: 'Arial', 'Helvetica Neue', sans-serif;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  padding: 2px 6px;
}

.plate-summary-photo-overlay .overlay-badge {
  background: #003399;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px 0;
  align-self: stretch;
}

/* ── grouping toggle ───────────────────────────────────────────── */

.group-toggle {
  display: flex;
  gap: 0;
  margin-bottom: 14px;
}

.group-toggle-btn {
  flex: 1;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 0;
  border: 1.5px solid var(--border);
  background: var(--panel);
  color: var(--dim);
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.group-toggle-btn:first-child { border-radius: 4px 0 0 4px; }
.group-toggle-btn:last-child  { border-radius: 0 4px 4px 0; }

.group-toggle-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.group-toggle-btn:not(.active):hover {
  background: var(--bg);
}

/* ── date group ─────────────────────────────────────────────────── */

.date-group {
  margin-bottom: 20px;
}

.date-group:last-child { margin-bottom: 0; }

.date-header {
  background: #e6edf5;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 3px;
}

.date-day { font-size: 1.2em; }

.date-num { font-size: 0.5em; }

/* ── lightbox ─────────────────────────────────────────────────── */

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.lightbox.open { display: flex; }

.lightbox img {
  max-width: 95vw;
  max-height: 95vh;
  object-fit: contain;
  cursor: default;
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 24px;
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 2.5rem;
  color: #fff;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  cursor: pointer;
  z-index: 1001;
  line-height: 1;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-close:hover { background: rgba(255, 255, 255, 0.15); }

/* ── desktop (≥600px) ───────────────────────────────────── */

@media (min-width: 600px) {
  .header-inner { padding: 20px; }

  main { padding: 32px 20px; gap: 24px; }

  .recording-item { gap: 18px; }

  .recording-time { font-size: 0.9rem; }

  .recording-type { font-size: 0.85rem; }

  .recording-item img { height: 200px; }

  .video-thumb { min-height: 200px; }

  .video-thumb img,
  .video-thumb video { height: 200px; }
}

/* ── build info (bottom, fixed to viewport) ──────────────── */

#build-info {
  position: fixed;
  bottom: 4px;
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.65rem;
  color: var(--dim);
  opacity: 0.45;
  z-index: 9999;
  pointer-events: none;
  -webkit-user-select: none;
  user-select: none;
}

/* ── reduced motion ───────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .scan-line,
  .recording-dot {
    animation: none;
  }
  .spinner {
    animation: none;
  }
}