/* =========================================================================
   Vegsýn — stylesheet
   Design intent: utility-first. The camera images ARE the content; the UI
   gets out of the way. High contrast, minimal chrome, dense grid.
   ========================================================================= */

/* ---------- Theme tokens ---------- */
:root {
  --font-ui: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --radius: 4px;
  --gap: 4px;
  --transition: 160ms ease;
}

[data-theme="dark"] {
  --bg: #0b0d10;
  --bg-elevated: #14171c;
  --bg-hover: #1c2026;
  --border: #262b33;
  --border-strong: #3a414d;
  --text: #e8ecf1;
  --text-dim: #8a94a3;
  --text-faint: #566170;
  --accent: #ff9500;       /* hi-vis orange — road-work color */
  --accent-dim: #b36a00;
  --danger: #ff4d4f;
  --shadow: 0 4px 16px rgba(0,0,0,0.5);
  --picker-backdrop: rgba(0,0,0,0.7);
}

[data-theme="light"] {
  --bg: #f4f5f7;
  --bg-elevated: #ffffff;
  --bg-hover: #ebeef2;
  --border: #d8dde3;
  --border-strong: #b8c0cc;
  --text: #0b0d10;
  --text-dim: #5a6472;
  --text-faint: #8a94a3;
  --accent: #d97706;
  --accent-dim: #92400e;
  --danger: #dc2626;
  --shadow: 0 4px 16px rgba(0,0,0,0.12);
  --picker-backdrop: rgba(0,0,0,0.4);
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* ---------- Loading overlay ---------- */
.loading {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg);
  z-index: 100;
  transition: opacity 300ms ease;
}
.loading.hidden { opacity: 0; pointer-events: none; }
.loading-inner { text-align: center; }
.loading-dot {
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  margin: 0 auto 16px;
  animation: pulse 1s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50%      { opacity: 1;   transform: scale(1.2); }
}
.loading-text { color: var(--text-dim); font-size: 13px; letter-spacing: 0.02em; }

/* ---------- Error banner ---------- */
.error-banner {
  position: fixed;
  top: 12px; left: 50%;
  transform: translateX(-50%);
  background: var(--danger);
  color: white;
  padding: 10px 16px;
  border-radius: var(--radius);
  z-index: 200;
  font-size: 13px;
  box-shadow: var(--shadow);
  max-width: 90vw;
}
.error-banner.hidden { display: none; }

/* ---------- Grid ---------- */
.grid {
  display: grid;
  gap: var(--gap);
  padding: var(--gap);
  width: 100vw;
  height: 100vh;
}

/* 1x1: cap at 1200px wide so the ~800px source images aren't stretched
   across a huge monitor and pixelated. Centered on the viewport. */
.grid[data-layout="1x1"] {
  grid-template-columns: minmax(0, 1200px);
  grid-template-rows: 1fr;
  justify-content: center;
}

.grid[data-layout="2x2"] { grid-template-columns: repeat(2, 1fr);        grid-template-rows: repeat(2, 1fr); }
.grid[data-layout="3x2"] { grid-template-columns: repeat(3, 1fr);        grid-template-rows: repeat(2, 1fr); }
.grid[data-layout="3x3"] { grid-template-columns: repeat(3, 1fr);        grid-template-rows: repeat(3, 1fr); }
.grid[data-layout="4x3"] { grid-template-columns: repeat(4, 1fr);        grid-template-rows: repeat(3, 1fr); }
.grid[data-layout="4x4"] { grid-template-columns: repeat(4, 1fr);        grid-template-rows: repeat(4, 1fr); }

/* focus-6: two big frames on the left (stacked, each spanning 2 rows),
   four smaller frames on the right arranged 2×2. Uses a 4-column × 4-row
   grid; big frames span 2 columns × 2 rows, small ones are 1×1.
   Default split is 50/50 (cols 1-2 for big, 3-4 for small). To make the
   big frames bigger: change to "2fr 2fr 1fr 1fr" (≈60/40) or
   "3fr 3fr 1fr 1fr" (≈66/34). */
.grid[data-layout="focus-6"] {
  grid-template-columns: 1fr 1fr 1fr 1fr;
  grid-template-rows: repeat(4, 1fr);
}
.grid[data-layout="focus-6"] > .slot:nth-child(1) { grid-column: 1 / span 2; grid-row: 1 / span 2; }
.grid[data-layout="focus-6"] > .slot:nth-child(2) { grid-column: 1 / span 2; grid-row: 3 / span 2; }
.grid[data-layout="focus-6"] > .slot:nth-child(3) { grid-column: 3;          grid-row: 1 / span 2; }
.grid[data-layout="focus-6"] > .slot:nth-child(4) { grid-column: 4;          grid-row: 1 / span 2; }
.grid[data-layout="focus-6"] > .slot:nth-child(5) { grid-column: 3;          grid-row: 3 / span 2; }
.grid[data-layout="focus-6"] > .slot:nth-child(6) { grid-column: 4;          grid-row: 3 / span 2; }

/* Mobile: the grid layouts are designed for desktop. On small viewports
   we show a dedicated warning screen (see .mobile-warning below) rather
   than trying to force the grid to work. The @media block is therefore
   minimal — we just make sure nothing breaks visually if the user has
   overridden the warning. */
@media (max-width: 900px) {
  .grid[data-layout] {
    grid-template-columns: 1fr !important;
    grid-auto-rows: 1fr;
    overflow-y: auto;
    height: 100vh;
  }
  /* Also disable the focus-6 positioning rules on small screens */
  .grid[data-layout="focus-6"] > .slot {
    grid-column: auto !important;
    grid-row: auto !important;
  }
}

/* ---------- Share UI ---------- */
.share-url {
  width: 100%;
  padding: 6px 8px;
  background: var(--bg);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  margin-bottom: 6px;
}
.share-url:focus { outline: none; border-color: var(--accent); color: var(--text); }
.share-copy {
  width: 100%;
  padding: 8px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  transition: all var(--transition);
}
.share-copy:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  color: var(--accent);
}
.share-copy.copied {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

/* ---------- Shared-view banner ---------- */
.share-banner {
  position: fixed;
  top: 12px;
  left: 12px;
  right: 72px;              /* leave room for the settings gear */
  z-index: 90;
  background: var(--bg-elevated);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}
.share-banner.hidden { display: none; }
.share-banner-text {
  color: var(--text);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.share-banner-text strong { color: var(--accent); }
.share-banner-actions {
  display: flex;
  gap: 6px;
  flex: 0 0 auto;
}
.share-banner-btn {
  padding: 6px 12px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
  transition: all var(--transition);
}
.share-banner-btn:hover {
  background: var(--bg-hover);
}
.share-banner-btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}
.share-banner-btn-primary:hover {
  background: var(--accent);
  color: #000;
  filter: brightness(1.1);
}

/* Hide banner on mobile — its buttons would collide with the warning/overlay anyway */
@media (max-width: 900px) {
  .share-banner { display: none !important; }
}

/* ---------- Mobile warning overlay ---------- */
.mobile-warning {
  position: fixed;
  inset: 0;
  z-index: 250;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.mobile-warning.hidden { display: none; }
.mobile-warning-inner {
  max-width: 420px;
  text-align: center;
}
.mobile-warning-icon {
  color: var(--accent);
  margin-bottom: 20px;
}
.mobile-warning-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 16px;
  line-height: 1.3;
}
.mobile-warning-body {
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 0 0 12px;
}
.mobile-warning-body-en {
  font-size: 13px;
  color: var(--text-faint);
  line-height: 1.5;
  margin: 0 0 28px;
  font-style: italic;
}
.mobile-warning-override {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-dim);
  padding: 10px 20px;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
}
.mobile-warning-override:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Grid slot ---------- */
.slot {
  position: relative;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 0;
  min-width: 0;
  cursor: pointer;        /* slots are clickable to pick a camera */
  transition: box-shadow var(--transition);
}
.slot:hover {
  /* subtle inset highlight on hover — enough to show it's clickable,
     not enough to distract from the images themselves */
  box-shadow: inset 0 0 0 2px var(--accent);
}
.slot-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-size: 12px;
  border: 1px dashed var(--border);
  background: transparent;
}
.slot-empty:hover { color: var(--accent); border-color: var(--accent); box-shadow: none; }
.slot-img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  background: var(--bg-elevated);
}
.slot-img.offline {
  opacity: 0.3;
  filter: grayscale(1);
}
.slot-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 6px 10px;
  background: linear-gradient(to top, rgba(0,0,0,0.8), rgba(0,0,0,0));
  color: white;
  font-size: 12px;
  font-weight: 500;
  pointer-events: none;
  text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}
.slot-caption-sub {
  font-size: 11px;
  color: rgba(255,255,255,0.75);
  font-weight: 400;
}
.slot-offline-badge {
  position: absolute;
  top: 6px; left: 6px;
  background: var(--danger);
  color: white;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ---------- Settings button ---------- */
.settings {
  position: fixed;
  top: 12px; right: 12px;
  z-index: 50;
}
.settings-toggle {
  width: 40px; height: 40px;
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow);
  transition: background var(--transition), border-color var(--transition);
}
.settings-toggle:hover {
  background: var(--bg-hover);
  border-color: var(--border-strong);
}
.settings-toggle svg { transition: transform 300ms ease; }
.settings[data-open="true"] .settings-toggle svg { transform: rotate(60deg); }

/* ---------- Settings panel ---------- */
.settings-panel {
  position: absolute;
  top: 48px; right: 0;
  width: 280px;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 4px;
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}
.settings[data-open="true"] .settings-panel {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.settings-section {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.settings-section:last-child { border-bottom: none; }
.settings-section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 8px;
}

/* view row: select + new button */
.view-row {
  display: flex;
  gap: 4px;
  margin-bottom: 6px;
}
.view-select {
  flex: 1;
  padding: 6px 8px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  min-width: 0;
}
.icon-btn {
  width: 32px; height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  flex: 0 0 auto;
}
.icon-btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  color: var(--accent);
}

.view-actions {
  display: flex;
  gap: 2px;
}
.text-btn {
  flex: 1;
  padding: 5px 4px;
  background: transparent;
  color: var(--text-dim);
  border: none;
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
  transition: all var(--transition);
}
.text-btn:hover { color: var(--text); background: var(--bg-hover); }
.text-btn-danger:hover { color: var(--danger); background: var(--bg-hover); }

/* layout grid: 4 per row */
.layout-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}
.layout-btn {
  padding: 8px 4px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  transition: all var(--transition);
}
.layout-btn:hover { background: var(--bg-hover); }
.layout-btn.active {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}
.layout-btn-wide { grid-column: 1 / -1; }  /* span full width */

/* theme toggle */
.theme-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}
.theme-btn {
  padding: 8px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  transition: all var(--transition);
}
.theme-btn:hover { background: var(--bg-hover); }
.theme-btn.active {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

/* refresh select */
.refresh-select {
  width: 100%;
  padding: 6px 8px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
}

/* meta section */
.settings-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  display: grid;
  gap: 4px;
}
.settings-meta-faint {
  color: var(--text-faint);
}

/* ---------- Camera picker modal ---------- */
.picker {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
}
.picker.hidden { display: none; }
.picker-backdrop {
  position: absolute;
  inset: 0;
  background: var(--picker-backdrop);
  backdrop-filter: blur(2px);
}
.picker-panel {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: min(560px, 92vw);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.picker-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}
.picker-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.picker-sub {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.picker-toolbar {
  display: flex;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.picker-search {
  flex: 1;
  padding: 7px 10px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 13px;
}
.picker-search:focus {
  outline: none;
  border-color: var(--accent);
}
.picker-list {
  overflow-y: auto;
  flex: 1;
  padding: 4px 0;
}

.picker-group {
  padding: 8px 14px 4px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 1;
  border-bottom: 1px solid var(--border);
}
.picker-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  cursor: pointer;
  transition: background var(--transition);
  border-bottom: 1px solid transparent;
}
.picker-item:hover {
  background: var(--bg-hover);
}
.picker-item.selected {
  background: var(--bg-hover);
  box-shadow: inset 3px 0 0 var(--accent);
}
.picker-item-main {
  font-size: 13px;
  color: var(--text);
}
.picker-item-sub {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 1px;
}
.picker-item-badge {
  font-size: 10px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  white-space: nowrap;
  margin-left: 10px;
}
.picker-empty {
  padding: 20px;
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
}

/* ---------- Generic dialog (prompt / confirm) ---------- */
.dialog {
  position: fixed;
  inset: 0;
  z-index: 180;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dialog.hidden { display: none; }
.dialog-backdrop {
  position: absolute;
  inset: 0;
  background: var(--picker-backdrop);
  backdrop-filter: blur(2px);
}
.dialog-panel {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: min(420px, 92vw);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.dialog-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.dialog-body {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
}
.dialog-body:empty { display: none; }
.dialog-input {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 14px;
}
.dialog-input:focus {
  outline: none;
  border-color: var(--accent);
}
.dialog-input.hidden { display: none; }
.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}
.dialog-btn {
  padding: 8px 16px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  transition: all var(--transition);
  min-width: 84px;
}
.dialog-btn:hover {
  background: var(--bg-hover);
}
.dialog-btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}
.dialog-btn-primary:hover {
  background: var(--accent);
  filter: brightness(1.1);
}
.dialog-btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
.dialog-btn-danger:hover {
  background: var(--danger);
  filter: brightness(1.1);
}

.hidden { display: none !important; }