/* =========================================================
   Themes
   Each theme sets CSS custom properties used throughout.
   data-theme is set on <html> and toggled by JS.
   ========================================================= */

[data-theme="dark"] {
  --bg:         #080808;
  --surface:    #111111;
  --surface2:   #1a1a1a;
  --border:     rgba(255, 255, 255, 0.08);
  --text:       #f0f0f0;
  --muted:      #909090;
  --subtle:     #666666;
  --accent:     #4f9cff;
  --accent-dim: rgba(79, 156, 255, 0.1);
}

[data-theme="violet"] {
  --bg:         #0c0a14;
  --surface:    #131020;
  --surface2:   #1c1830;
  --border:     rgba(167, 139, 250, 0.12);
  --text:       #ede9fe;
  --muted:      #b8a9e8;
  --subtle:     #8878c0;
  --accent:     #a78bfa;
  --accent-dim: rgba(167, 139, 250, 0.1);
}

[data-theme="amber"] {
  --bg:         #0c0900;
  --surface:    #141008;
  --surface2:   #1e1810;
  --border:     rgba(245, 158, 11, 0.12);
  --text:       #fef3c7;
  --muted:      #d4a843;
  --subtle:     #a07828;
  --accent:     #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.1);
}

[data-theme="light"] {
  --bg:         #f2f1ee;
  --surface:    #ffffff;
  --surface2:   #e8e6e1;
  --border:     rgba(0, 0, 0, 0.09);
  --text:       #111111;
  --muted:      #555555;
  --subtle:     #888888;
  --accent:     #6366f1;
  --accent-dim: rgba(99, 102, 241, 0.08);
}

/* =========================================================
   Font stacks
   data-font="mono" on <html> switches all text to monospace.
   ========================================================= */

:root {
  --font:      system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", "Courier New", monospace;
}

[data-font="mono"] {
  --font: var(--font-mono);
}

/* Utility: used by JS to hide elements (e.g. tz-error, custom-tz-form) */
.hidden { display: none !important; }

/* =========================================================
   Reset
   ========================================================= */

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

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}

/* =========================================================
   Page layout
   ========================================================= */

.container {
  flex: 1;
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 3.5rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

/* =========================================================
   Hero section (local time display)
   ========================================================= */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero {
  text-align: center;
  animation: fadeUp 0.5s ease-out both;
}

.hero-label {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.hero-time {
  display: block;
  font-size: clamp(3rem, 9vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.hero-date {
  margin-top: 0.85rem;
  font-size: 1.05rem;
  color: var(--muted);
}

.hero-zone {
  margin-top: 0.3rem;
  font-size: 0.9rem;
  color: var(--subtle);
}

/* =========================================================
   Controls bar (format toggle, layout toggle, theme dots)
   ========================================================= */

.controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* Pill toggle buttons shared by format and layout switches */
.toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.toggle:hover {
  color: var(--text);
  border-color: rgba(128, 128, 128, 0.3);
  background: var(--surface2);
}

/* Active state used when 24h mode or list mode is selected */
.toggle.active {
  color: var(--accent);
  border-color: var(--accent);
}

/* =========================================================
   Theme color dot switcher
   ========================================================= */

.theme-switcher {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.theme-dot[data-theme="dark"]   { background: #3a3a3a; border-color: #555; }
.theme-dot[data-theme="violet"] { background: #a78bfa; border-color: #a78bfa; }
.theme-dot[data-theme="amber"]  { background: #f59e0b; border-color: #f59e0b; }
.theme-dot[data-theme="light"]  { background: #e8e6e1; border-color: #bbb; }

.theme-dot:hover {
  transform: scale(1.2);
}

/* Active ring: gap between dot and outline uses --bg so it works on any theme */
.theme-dot.active {
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent);
}

/* =========================================================
   Zone grid (shared wrapper for all layouts)
   auto-fit collapses empty tracks so no orphan gap appears
   ========================================================= */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

/* =========================================================
   Card base styles (shared by both layouts)
   ========================================================= */

.card {
  background: var(--bg);
  cursor: default;
  animation: fadeUp 0.4s ease-out both;
  animation-delay: calc(var(--i, 0) * 0.055s);
  /* Perspective enables 3D flip effect in grid layout */
  perspective: 900px;
}

/* Spotlight effect: dim all cards when any card is hovered */
.grid:has(.card:hover) .card:not(:hover) {
  opacity: 0.45;
  transition: opacity 0.2s ease;
}

.grid:has(.card:hover) .card:hover {
  opacity: 1;
}

/* card-inner is the element that rotates in grid flip mode */
.card-inner {
  display: grid;
  grid-template-areas: "stack";
  transform-style: preserve-3d;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover .card-inner {
  transform: rotateY(180deg);
}

/* Both faces share the same grid cell so they stack on top of each other */
.card-front,
.card-back {
  grid-area: stack;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  padding: 1.5rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--surface);
  transition: background 0.15s ease;
}

/* Back face starts rotated 180deg and becomes visible when card flips */
.card-back {
  transform: rotateY(180deg);
  justify-content: center;
  gap: 0.55rem;
}

.card-front:hover,
.card-back:hover {
  background: var(--surface2);
}

/* =========================================================
   Card front face content
   ========================================================= */

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.card-label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.card-meta {
  font-size: 0.8rem;
  color: var(--subtle);
  letter-spacing: 0.02em;
}

.card-time {
  display: block;
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

/* =========================================================
   Card back face content (date, relative offset, time of day)
   ========================================================= */

.back-date {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

.back-relative {
  font-size: 0.8rem;
  color: var(--muted);
}

/* Time of day badge pill */
.back-tod {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  width: fit-content;
}

.tod-morning   { background: rgba(245, 158,  11, 0.15); color: #f59e0b; }
.tod-afternoon { background: rgba( 79, 156, 255, 0.15); color: #4f9cff; }
.tod-evening   { background: rgba(167, 139, 250, 0.15); color: #a78bfa; }
.tod-night     { background: rgba(120, 120, 160, 0.15); color: #9090b8; }

/* =========================================================
   Local timezone highlight
   Applied to the card matching the user's current timezone.
   ========================================================= */

.card.local .card-front {
  background: var(--accent-dim);
}

.card.local:hover .card-front {
  filter: brightness(1.15);
}

.card.local .card-label::after {
  content: " · you";
  color: var(--accent);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  text-transform: lowercase;
}

/* =========================================================
   List layout overrides
   When data-layout="list", cards become rows instead of tiles.
   The flip is replaced with a smooth expand that reveals
   the back face content below the front face.
   ========================================================= */

.grid[data-layout="list"] {
  display: flex;
  flex-direction: column;
  background: transparent;
  gap: 0;
}

/* In list mode the card-inner stacks vertically, no 3D flip */
.grid[data-layout="list"] .card-inner {
  display: flex;
  flex-direction: column;
  transform: none !important;
  transform-style: flat;
}

/* Front face becomes a horizontal row in list mode */
.grid[data-layout="list"] .card-front {
  grid-area: unset;
  backface-visibility: visible;
  -webkit-backface-visibility: visible;
  transform: none;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.75rem;
  border-bottom: 1px solid var(--border);
}

.grid[data-layout="list"] .card:last-child .card-front {
  border-bottom: none;
}

/* Back face expands downward on hover instead of flipping */
.grid[data-layout="list"] .card-back {
  grid-area: unset;
  backface-visibility: visible;
  -webkit-backface-visibility: visible;
  transform: none;
  flex-direction: row;
  align-items: center;
  gap: 1.5rem;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  padding: 0 1.75rem;
  border-bottom: none;
  transition: max-height 0.35s ease, opacity 0.3s ease, padding 0.25s ease;
}

.grid[data-layout="list"] .card:hover .card-back {
  max-height: 60px;
  opacity: 1;
  padding: 0.6rem 1.75rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.grid[data-layout="list"] .card:last-child:hover .card-back {
  border-bottom: none;
}

.grid[data-layout="list"] .card-header {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
}

.grid[data-layout="list"] .card-label {
  font-size: 1rem;
}

.grid[data-layout="list"] .card-meta {
  font-size: 0.85rem;
}

.grid[data-layout="list"] .card-time {
  font-size: 2.2rem;
}

/* =========================================================
   Day Progress card
   Shows how far through the current day you are.
   Back face shows time until midnight and Unix timestamp.
   ========================================================= */

.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 1s linear;
}

.progress-pct {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.1rem;
}

/* =========================================================
   Compact layout
   Single-line rows: zone name and meta on the left,
   time large on the right. Expand on hover same as list.
   ========================================================= */

.grid[data-layout="compact"] {
  display: flex;
  flex-direction: column;
  background: transparent;
  gap: 0;
}

.grid[data-layout="compact"] .card-inner {
  display: flex;
  flex-direction: column;
  transform: none !important;
  transform-style: flat;
}

.grid[data-layout="compact"] .card-front {
  grid-area: unset;
  backface-visibility: visible;
  -webkit-backface-visibility: visible;
  transform: none;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1.5rem;
  border-bottom: 1px solid var(--border);
  gap: 0;
}

.grid[data-layout="compact"] .card:last-child .card-front {
  border-bottom: none;
}

.grid[data-layout="compact"] .card-header {
  flex-direction: row;
  align-items: center;
  gap: 0.85rem;
  flex: 1;
}

.grid[data-layout="compact"] .card-label {
  font-size: 0.78rem;
  min-width: 78px;
}

.grid[data-layout="compact"] .card-meta {
  font-size: 0.72rem;
}

.grid[data-layout="compact"] .card-time {
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

/* Day progress card in compact mode: show pct inline instead of a bar */
.grid[data-layout="compact"] .card-progress .progress-bar {
  display: none;
}

.grid[data-layout="compact"] .card-progress .progress-pct {
  font-size: 0.9rem;
  color: var(--text);
}

/* Back face expand for compact (same behavior as list layout) */
.grid[data-layout="compact"] .card-back {
  grid-area: unset;
  backface-visibility: visible;
  -webkit-backface-visibility: visible;
  transform: none;
  flex-direction: row;
  align-items: center;
  gap: 1.5rem;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  padding: 0 1.5rem;
  border-bottom: none;
  transition: max-height 0.35s ease, opacity 0.3s ease, padding 0.25s ease;
}

.grid[data-layout="compact"] .card:hover .card-back {
  max-height: 60px;
  opacity: 1;
  padding: 0.5rem 1.5rem 0.65rem;
  border-bottom: 1px solid var(--border);
}

.grid[data-layout="compact"] .card:last-child:hover .card-back {
  border-bottom: none;
}

/* =========================================================
   Focus layout
   The focused card spans full width at the top showing a
   large time, full date, relative offset, and time of day.
   All other cards become small clickable thumbnails below.
   ========================================================= */

.grid[data-layout="focus"] {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1px;
  background: var(--border);
}

/* Featured card takes the full first row */
.grid[data-layout="focus"] .card-focused {
  grid-column: 1 / -1;
}

/* No flip on focused card - both faces stack vertically */
.grid[data-layout="focus"] .card-focused .card-inner {
  display: flex;
  flex-direction: column;
  transform: none !important;
}

.grid[data-layout="focus"] .card-focused .card-front,
.grid[data-layout="focus"] .card-focused .card-back {
  grid-area: unset;
  backface-visibility: visible;
  -webkit-backface-visibility: visible;
  transform: none;
  display: flex;
}

.grid[data-layout="focus"] .card-focused .card-front {
  padding: 2.5rem 2.5rem 0.75rem;
  gap: 0.6rem;
}

.grid[data-layout="focus"] .card-focused .card-label {
  font-size: 1rem;
  letter-spacing: 0.08em;
}

.grid[data-layout="focus"] .card-focused .card-meta {
  font-size: 0.9rem;
}

.grid[data-layout="focus"] .card-focused .card-time {
  font-size: clamp(3.5rem, 8vw, 5rem);
  letter-spacing: -0.04em;
  margin: 0.15rem 0;
}

/* Back face shows inline below the time instead of flipping */
.grid[data-layout="focus"] .card-focused .card-back {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.75rem;
  padding: 0 2.5rem 2rem;
  max-height: none;
  opacity: 1;
  overflow: visible;
  background: transparent;
}

/* Keep focused card visible when hovering a thumbnail */
.grid[data-layout="focus"]:has(.card:hover) .card-focused {
  opacity: 1;
}

/* Thumbnail cards below the featured one */
.grid[data-layout="focus"] .card:not(.card-focused) {
  cursor: pointer;
}

.grid[data-layout="focus"] .card:not(.card-focused) .card-inner {
  display: flex;
  flex-direction: column;
  transform: none !important;
}

.grid[data-layout="focus"] .card:not(.card-focused) .card-front {
  grid-area: unset;
  backface-visibility: visible;
  -webkit-backface-visibility: visible;
  transform: none;
  flex-direction: column;
  padding: 0.9rem 1rem;
  gap: 0.3rem;
}

/* Hide the back face on thumbnails - clicking focuses them instead */
.grid[data-layout="focus"] .card:not(.card-focused) .card-back {
  display: none;
}

.grid[data-layout="focus"] .card:not(.card-focused) .card-label {
  font-size: 0.72rem;
}

.grid[data-layout="focus"] .card:not(.card-focused) .card-meta {
  font-size: 0.65rem;
}

.grid[data-layout="focus"] .card:not(.card-focused) .card-time {
  font-size: 1.15rem;
}

/* =========================================================
   Footer
   ========================================================= */

.footer {
  padding: 1.5rem 2rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-top: 1px solid var(--border);
}

.footer p {
  font-size: 0.85rem;
  color: var(--subtle);
}

/* IP address, location, and carrier info bar */
.ip-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem 0.75rem;
  font-size: 0.95rem;
  color: var(--muted);
  min-height: 1.4em;
}

.ip-info span {
  font-variant-numeric: tabular-nums;
}

.ip-sep {
  color: var(--subtle);
  font-size: 0.75rem;
  user-select: none;
}

/* =========================================================
   Footer nav link (to converter page)
   ========================================================= */

.ios-hint {
  font-size: 0.82rem;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 1rem;
  text-align: center;
}

.footer-nav {
  margin-top: 0.25rem;
}

.footer-nav a,
.footer-nav a:visited {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.88rem;
}

.footer-nav a:hover {
  text-decoration: underline;
}

/* =========================================================
   Converter and Meeting Planner page shared styles
   ========================================================= */

.page-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
}

.back-link,
.back-link:visited {
  font-size: 0.8rem;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
}

.back-link:hover {
  text-decoration: underline;
}

.page-title {
  font-size: 0.9rem;
  color: var(--muted);
}

.tool-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.tool-header {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.tool-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tool-desc {
  font-size: 0.9rem;
  color: var(--muted);
}

/* Converter form row */
.converter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.time-input,
.zone-select,
.hours-input {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  padding: 0.55rem 0.9rem;
  border-radius: 10px;
  outline: none;
  transition: border-color 0.15s;
}

.time-input:focus,
.zone-select:focus,
.hours-input:focus {
  border-color: var(--accent);
}

.share-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border-radius: 10px;
  cursor: pointer;
  transition: opacity 0.15s;
}

.share-btn:hover {
  opacity: 0.85;
}

/* Converter results list */
.converter-results {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.result-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.4rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  transition: background 0.15s;
}

.result-row:last-child {
  border-bottom: none;
}

.result-row:hover {
  background: var(--surface2);
}

.result-source {
  background: var(--accent-dim);
}

.result-source:hover {
  background: var(--accent-dim);
  filter: brightness(1.1);
}

.result-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  min-width: 90px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.78rem;
}

.result-abbr {
  font-size: 0.78rem;
  color: var(--subtle);
  min-width: 40px;
}

/* Shows +1d / -1d when conversion crosses a date boundary */
.result-date-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.1rem 0.4rem;
  border-radius: 6px;
  margin-left: auto;
  margin-right: 0.25rem;
  font-variant-numeric: tabular-nums;
}

.result-time {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  margin-left: auto;
}

/* Clickable result rows let the user change the source zone */
.result-row[data-zone] {
  cursor: pointer;
}

.result-row[data-zone]:hover {
  background: var(--surface2);
}

.result-you {
  border-left: 3px solid var(--accent);
}

/* Small inline badges on result rows (source, you) */
.result-badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.15rem 0.45rem;
  border-radius: 10px;
  margin-left: 0.5rem;
  vertical-align: middle;
}

.result-badge-source {
  background: rgba(79, 156, 255, 0.15);
  color: var(--accent);
}

.result-badge-you {
  background: rgba(167, 139, 250, 0.15);
  color: #a78bfa;
}

/* Meeting planner controls */
.planner-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: flex-start;
}

.zone-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.zone-check-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}

.zone-check-label input {
  accent-color: var(--accent);
  width: 14px;
  height: 14px;
  cursor: pointer;
}

.hours-inputs {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.hours-inputs label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hours-input {
  font-size: 0.9rem;
  padding: 0.4rem 0.7rem;
}

/* Meeting planner hour grid */
.planner-grid-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 14px;
}

.planner-grid {
  min-width: 700px;
}

.pg-row {
  display: grid;
  grid-template-columns: 90px repeat(24, 1fr);
  border-bottom: 1px solid var(--border);
}

.pg-row:last-child {
  border-bottom: none;
}

.pg-label {
  padding: 0.55rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  display: flex;
  align-items: center;
  border-right: 1px solid var(--border);
  background: var(--surface);
}

.pg-head {
  font-size: 0.6rem;
  color: var(--subtle);
  text-align: center;
  padding: 0.4rem 0.1rem;
  background: var(--surface);
  border-right: 1px solid var(--border);
  white-space: nowrap;
  overflow: hidden;
}

.pg-cell {
  height: 36px;
  border-right: 1px solid rgba(255,255,255,0.03);
}

.pg-off     { background: var(--surface); }
.pg-work    { background: rgba(79, 156, 255, 0.15); }
.pg-overlap { background: var(--accent); opacity: 0.85; }
.pg-overlap-row .pg-overlap { opacity: 1; }

/* Summary chips */
.planner-summary {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.summary-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.summary-windows {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.summary-chip {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(79, 156, 255, 0.25);
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

.planner-empty {
  font-size: 0.9rem;
  color: var(--muted);
  padding: 1rem;
}

/* =========================================================
   Responsive adjustments for small screens
   ========================================================= */

@media (max-width: 500px) {
  .container {
    padding: 2rem 1rem 1rem;
    gap: 2rem;
  }

  .grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-time {
    font-size: 1.5rem;
  }

  .grid[data-layout="list"] .card-time {
    font-size: 1.75rem;
  }
}

/* =========================================================
   High-contrast theme
   Pure black/white base with yellow accent for AA+ readability.
   ========================================================= */

[data-theme="hc"] {
  --bg:         #000000;
  --surface:    #0a0a0a;
  --surface2:   #141414;
  --border:     rgba(255, 255, 255, 0.25);
  --text:       #ffffff;
  --muted:      #dddddd;
  --subtle:     #aaaaaa;
  --accent:     #ffe600;
  --accent-dim: rgba(255, 230, 0, 0.12);
}

.theme-dot[data-theme="hc"] { background: #000; border: 2px solid #ffe600; }

/* =========================================================
   Reduced motion
   Turns off all transitions and animations for users who
   prefer reduced motion (accessibility / vestibular).
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .card:hover .card-inner { transition: none; }
  .progress-fill { transition: none; }
}

/* =========================================================
   Analog clock face (SVG drawn by JS, shown when
   data-analog="true" is set on <html>)
   ========================================================= */

.analog-clock {
  display: none;
  width: 72px;
  height: 72px;
  flex-shrink: 0;
}

[data-analog="true"] .analog-clock {
  display: block;
}

[data-analog="true"] .card-time {
  display: none;
}

/* In list/compact layouts show clock inline */
.grid[data-layout="list"] [data-analog="true"] .card-front,
.grid[data-layout="compact"] [data-analog="true"] .card-front {
  gap: 0.75rem;
}

/* =========================================================
   Card front date line (date display mode)
   Shown when data-datemode="date" or "relative" on <html>.
   ========================================================= */

.card-date-line {
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.02em;
  margin-top: -0.15rem;
  font-variant-numeric: tabular-nums;
}

/* Hide in compact layout to save space */
.grid[data-layout="compact"] .card-date-line {
  display: none;
}

/* =========================================================
   Sunrise / Sunset on card back
   ========================================================= */

.back-sun {
  font-size: 0.78rem;
  color: var(--muted);
  display: flex;
  gap: 0.9rem;
  align-items: center;
}

.back-sun-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.sun-icon {
  font-size: 0.9rem;
  line-height: 1;
}

/* =========================================================
   Countdown card
   ========================================================= */

.card-countdown .card-front {
  cursor: pointer;
}

.countdown-target {
  font-size: 0.7rem;
  color: var(--subtle);
  margin-top: -0.2rem;
}

.countdown-display {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  flex-wrap: wrap;
  margin-top: 0.1rem;
}

.cd-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.1;
}

.cd-val {
  font-size: 1.6rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.cd-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.cd-sep {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--subtle);
  margin-bottom: 0.4rem;
}

.countdown-expired {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
}

/* Countdown edit panel (inline below card on click) */
.countdown-editor {
  display: none;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1rem 1.6rem 1.2rem;
  background: var(--surface2);
  border-top: 1px solid var(--border);
}

.countdown-editor.open {
  display: flex;
}

.countdown-editor label {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.cd-input {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  padding: 0.4rem 0.7rem;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.15s;
}

.cd-input:focus { border-color: var(--accent); }

.cd-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.2rem;
}

.cd-set-btn {
  background: var(--accent);
  color: #000;
  border: none;
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.4rem 1rem;
  border-radius: 8px;
  cursor: pointer;
}

.cd-clear-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font-family: var(--font);
  font-size: 0.78rem;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  cursor: pointer;
}

/* =========================================================
   Custom timezone cards
   ========================================================= */

.card-custom .card-label::after {
  content: " · custom";
  color: var(--subtle);
  font-size: 0.6rem;
  letter-spacing: 0.03em;
  text-transform: lowercase;
}

/* Remove button on custom card (shown on hover) */
.card-custom-remove {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: none;
  border: none;
  color: var(--subtle);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 0.15s;
}

.card.card-custom {
  position: relative;
}

.card.card-custom:hover .card-custom-remove {
  opacity: 1;
}

/* Custom timezone add form in hero */
.custom-tz-form {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}

.custom-tz-form.hidden { display: none; }

.tz-text-input {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.82rem;
  padding: 0.38rem 0.75rem;
  border-radius: 10px;
  outline: none;
  width: 200px;
  transition: border-color 0.15s;
}

.tz-text-input:focus { border-color: var(--accent); }
.tz-text-input::placeholder { color: var(--subtle); }

.tz-add-btn {
  background: var(--accent);
  color: #000;
  border: none;
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.4rem 0.9rem;
  border-radius: 10px;
  cursor: pointer;
}

.tz-cancel-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font-family: var(--font);
  font-size: 0.78rem;
  padding: 0.38rem 0.7rem;
  border-radius: 10px;
  cursor: pointer;
}

.tz-error {
  font-size: 0.75rem;
  color: #f87171;
  width: 100%;
  text-align: center;
}

/* =========================================================
   Keyboard shortcut hint overlay
   ========================================================= */

.kb-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

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

.kb-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem 2.5rem;
  min-width: 280px;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.kb-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.kb-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.88rem;
}

.kb-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  padding: 0.2rem 0.5rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text);
  flex-shrink: 0;
}

.kb-desc {
  color: var(--muted);
}

.kb-close {
  margin-top: 1rem;
  align-self: flex-end;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font);
  font-size: 0.8rem;
  padding: 0.35rem 1rem;
  border-radius: 8px;
  cursor: pointer;
}

/* =========================================================
   Speed test page
   ========================================================= */

/* Override container top padding for speed test page */
.st-container {
  padding-top: 2rem;
  gap: 2.5rem;
}

/* 4-metric grid */
.speed-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

@media (max-width: 560px) {
  .speed-grid { grid-template-columns: repeat(2, 1fr); }
}

.speed-metric {
  background: var(--surface);
  padding: 1.5rem 1.4rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  transition: background 0.15s;
}

.speed-metric:hover { background: var(--surface2); }

.speed-val {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  transition: color 0.25s;
}

.speed-unit {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.15rem;
}

.speed-label {
  font-size: 0.68rem;
  color: var(--subtle);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Progress bar */
.st-bar-wrap {
  width: 100%;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.st-bar {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.5s ease;
}

/* Run button + controls */
.st-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.st-run-btn {
  background: var(--accent);
  color: #000;
  border: none;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.55rem 1.5rem;
  border-radius: 10px;
  cursor: pointer;
  transition: opacity 0.15s;
}

.st-run-btn:hover    { opacity: 0.85; }
.st-run-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.st-status {
  font-size: 0.82rem;
  color: var(--muted);
}

.st-note {
  font-size: 0.75rem;
  color: var(--subtle);
  margin-top: -0.5rem;
}

/* DNS results table */
.dns-wrap {
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.dns-table { width: 100%; }

.dns-row {
  display: grid;
  grid-template-columns: 1fr 80px 80px 80px 80px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.dns-row:last-child { border-bottom: none; }
.dns-row:not(.dns-head):hover { background: var(--surface2); }

.dns-head {
  background: var(--surface2);
}

.dns-cell {
  padding: 0.7rem 1rem;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
}

.dns-head .dns-cell {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--subtle);
}

.dns-col-name {
  font-weight: 600;
  color: var(--text);
  font-size: 0.85rem;
}

.dns-col-num {
  font-variant-numeric: tabular-nums;
  justify-content: flex-end;
  color: var(--muted);
  font-size: 0.82rem;
}

.dns-col-status {
  font-size: 0.72rem;
  color: var(--subtle);
  justify-content: flex-end;
}

/* Latency color tiers */
.dns-fast    { color: #4ade80; }
.dns-ok      { color: #facc15; }
.dns-slow    { color: #f87171; }
.dns-fail    { color: var(--subtle); opacity: 0.6; }
.dns-pending { color: var(--subtle); }

@media (max-width: 560px) {
  .dns-row {
    grid-template-columns: 1fr 72px 72px 72px 0;
  }
  .dns-col-status { display: none; }
}

/* =========================================================
   Weather card
   ========================================================= */

.weather-temp {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-top: 0.1rem;
}

.weather-cond {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 500;
}

.weather-wind {
  font-size: 0.78rem;
  color: var(--subtle);
  margin-top: -0.1rem;
}

/* In list/compact layout, prevent the weather card front from going row */
.grid[data-layout="list"] .card-weather .card-front,
.grid[data-layout="compact"] .card-weather .card-front {
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 0.35rem;
}

/* Weather card back has 4 items — needs more height in list/compact */
.grid[data-layout="list"] .card-weather:hover .card-back,
.grid[data-layout="compact"] .card-weather:hover .card-back {
  max-height: 120px;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.3rem;
}

/* Scale down weather-temp in focus thumbnails and compact to match card-time */
.grid[data-layout="focus"] .card:not(.card-focused) .weather-temp {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.grid[data-layout="compact"] .card-weather .weather-temp {
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

/* =========================================================
   Device info bar (footer)
   ========================================================= */

.device-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem 0.75rem;
  font-size: 0.82rem;
  color: var(--subtle);
  min-height: 1.2em;
  font-variant-numeric: tabular-nums;
}
