/* The Weekend Board — dark transit-board theme */

@font-face {
  font-family: 'Space Grotesk';
  src: url('assets/space-grotesk.ttf') format('truetype');
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'IBM Plex Mono';
  src: url('assets/ibm-plex-mono.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #0f1318;
  --surface: #151b22;
  --surface-2: #1b222b;
  --line: #26303b;
  --line-strong: #3b4956;
  --text: #e8edf3;
  --text-2: #b7c2cd;
  --muted: #8b98a5;
  --faint: #6d7885;
  --accent: #ffc53d;
  --accent-bright: #ffd26b;
  --accent-ink: #241a04;
  --radius: 12px;
  --sans: 'Space Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}

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

[hidden] { display: none !important; }

html { color-scheme: dark; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font: 400 16px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow-x: clip;
}

button, input, select { font: inherit; color: inherit; }

button {
  cursor: pointer;
  background: none;
  border: 0;
  padding: 0;
}

a, button, input, select { touch-action: manipulation; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- Skip link ---------- */

.skip-link {
  position: fixed;
  top: 12px;
  left: 16px;
  z-index: 100;
  transform: translateY(-200%);
  background-color: var(--accent);
  color: var(--accent-ink);
  font: 600 14px var(--sans);
  padding: 10px 16px;
  border-radius: 8px;
  text-decoration: none;
  transition: transform 150ms ease-out;
}

.skip-link:focus {
  transform: translateY(0);
}

/* ---------- Top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 58px;
  padding: 11px 28px;
  background-color: var(--bg);
  background-image: radial-gradient(rgba(255, 197, 61, 0.08) 1px, transparent 1.4px);
  background-size: 12px 12px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-dot {
  flex-shrink: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(255, 197, 61, 0.55);
  animation: dot-pulse 2.8s ease-in-out infinite;
}

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

.brand-name {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-wrap: balance;
}

.topbar-meta {
  margin: 0;
  font: 400 11.5px var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.topbar-meta time { color: var(--text-2); }

/* ---------- Layout ---------- */

.layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 44px;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 34px 28px 80px;
}

/* ---------- Rail (search & filters) ---------- */

.rail {
  position: sticky;
  top: 92px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 26px;
  min-width: 0;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.field-label {
  font: 400 11px var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.control-input,
.control-select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background-color: var(--surface);
  color: var(--text);
  padding: 11px 12px;
  font-size: 14px;
  transition: border-color 140ms ease, background-color 140ms ease;
}

.control-input::placeholder { color: var(--faint); }

.control-input:hover,
.control-select:hover { border-color: var(--line-strong); }

.control-select {
  appearance: none;
  padding-right: 36px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%238b98a5' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
}

.field-hint {
  margin: 0;
  font: 400 11px var(--mono);
  color: var(--faint);
}

.saved-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 14px;
  font: 400 12px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

.saved-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.saved-toggle .star-glyph { font-size: 13px; }

.saved-toggle[aria-pressed="true"] {
  background-color: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

.saved-toggle[aria-pressed="true"]:hover {
  background-color: var(--accent-bright);
  border-color: var(--accent-bright);
  color: var(--accent-ink);
}

/* ---------- Legend ---------- */

.legend {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.legend-title {
  margin: 0;
  font: 400 11px var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.legend-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--text-2);
}

.legend-swatch {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--cat);
  box-shadow: 0 0 8px color-mix(in srgb, var(--cat) 45%, transparent);
}

.legend-count {
  margin-left: auto;
  font: 400 11.5px var(--mono);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.rail-note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
  text-wrap: pretty;
}

/* ---------- Board ---------- */

.board {
  min-width: 0;
  scroll-margin-top: 84px;
}

.board-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 24px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.board-title {
  margin: 0;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
  text-wrap: balance;
}

.board-status {
  margin: 0;
  font: 400 12px var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.day { margin-bottom: 36px; }

.day-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.day-name {
  font: 400 13px var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.day-date {
  font-size: 13px;
  color: var(--text-2);
}

.day-count {
  margin-left: auto;
  font: 400 11.5px var(--mono);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.item-row { min-width: 0; }

.item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  width: 100%;
  text-align: left;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 15px 18px;
  transition: background-color 150ms ease, border-color 150ms ease;
}

.item:hover {
  background-color: var(--surface-2);
  border-color: var(--line-strong);
}

.item-when {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-right: 16px;
  border-right: 1px solid var(--line);
}

.item-start {
  font: 400 17px var(--mono);
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.item-end {
  font: 400 11px var(--mono);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.item-main {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.item-top {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.cat-chip {
  font: 400 10.5px var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cat);
  border: 1px solid color-mix(in srgb, var(--cat) 55%, transparent);
  padding: 2.5px 8px;
  border-radius: 999px;
}

.saved-flag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font: 400 10.5px var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.item-title {
  font-size: 16.5px;
  font-weight: 500;
  line-height: 1.35;
  color: var(--text);
  overflow-wrap: break-word;
  text-wrap: balance;
}

.item-meta {
  font: 400 11px var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  overflow-wrap: break-word;
}

.item-go {
  font-size: 17px;
  color: var(--faint);
  transition: color 150ms ease, transform 150ms ease;
}

.item:hover .item-go {
  color: var(--accent);
  transform: translateX(3px);
}

/* ---------- Empty / error states ---------- */

.empty,
.board-error {
  border: 1px dashed var(--line-strong);
  border-radius: 14px;
  padding: 52px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.empty-glyph {
  margin: 0;
  font: 400 20px var(--mono);
  letter-spacing: 0.4em;
  color: var(--accent);
}

.empty-title {
  margin: 6px 0 0;
  font-size: 19px;
  font-weight: 600;
  text-wrap: balance;
}

.empty-msg {
  margin: 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  text-wrap: pretty;
}

.empty-reset {
  margin-top: 14px;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  border-radius: 10px;
  padding: 10px 18px;
  font: 600 13px var(--sans);
  transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease;
}

.empty-reset:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.board-foot {
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.board-foot p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--faint);
  max-width: 72ch;
  text-wrap: pretty;
}

/* ---------- Detail panel ---------- */

.backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(5, 8, 12, 0.62);
}

.backdrop:not([hidden]) { animation: fade-in 200ms ease-out; }

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  width: min(560px, 100%);
  background-color: var(--surface);
  border-left: 1px solid var(--line);
  box-shadow: -24px 0 60px rgba(0, 0, 0, 0.45);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.panel:not([hidden]) { animation: panel-in 260ms cubic-bezier(0.2, 0.8, 0.25, 1); }

@keyframes panel-in {
  from { transform: translateX(6%); opacity: 0.4; }
  to { transform: translateX(0); opacity: 1; }
}

.panel-bar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 26px;
  background-color: var(--surface);
  border-bottom: 1px solid var(--line);
}

.panel-kicker {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  min-width: 0;
  font: 400 11.5px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
}

.panel-close {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex-shrink: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 14px;
  font: 600 12px var(--sans);
  color: var(--text-2);
  transition: border-color 140ms ease, color 140ms ease, background-color 140ms ease;
}

.panel-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.panel-inner {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 24px 26px 36px;
}

.panel-title {
  margin: 0;
  font-size: 27px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.panel-meta {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

.panel-meta dt {
  margin-bottom: 4px;
  font: 400 10.5px var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.panel-meta dd {
  margin: 0;
  font-size: 14.5px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.panel-body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.7;
  color: #c6cfda;
  max-width: 62ch;
  text-wrap: pretty;
}

.panel-body p:last-child { margin-bottom: 0; }

.panel-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.save-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  border-radius: 12px;
  padding: 13px;
  font: 600 13px var(--sans);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}

.save-btn:hover { background-color: rgba(255, 197, 61, 0.12); }

.save-btn[aria-pressed="true"] {
  background-color: var(--accent);
  color: var(--accent-ink);
}

.save-btn[aria-pressed="true"]:hover {
  background-color: var(--accent-bright);
  border-color: var(--accent-bright);
}

.save-btn .star-glyph { font-size: 15px; }

.panel-note {
  margin: 0;
  font-size: 12px;
  color: var(--faint);
  text-align: center;
}

/* ---------- Responsive ---------- */

@media (max-width: 920px) {
  .layout {
    grid-template-columns: 1fr;
    gap: 26px;
    padding-top: 26px;
  }

  .rail {
    position: static;
    top: auto;
    gap: 18px;
  }

  .legend-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px 18px;
  }

  .rail-note { display: none; }
}

@media (max-width: 640px) {
  .topbar { padding: 12px 18px; }

  .topbar-meta { display: none; }

  .layout { padding: 24px 18px 64px; }

  .board-head { margin-bottom: 18px; }

  .day { margin-bottom: 28px; }

  .item {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 12px;
    padding: 13px 14px;
  }

  .item-when { padding-right: 10px; }

  .item-start { font-size: 15px; }

  .item-end { font-size: 10px; }

  .item-title { font-size: 15.5px; }

  .item-go { display: none; }

  .panel-bar { padding: 12px 18px; }

  .panel-inner { padding: 20px 20px 32px; }

  .panel-title { font-size: 23px; }

  .panel-meta { grid-template-columns: 1fr; }

  .empty, .board-error { padding: 40px 18px; }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .brand-dot { animation: none; }

  .panel:not([hidden]),
  .backdrop:not([hidden]) { animation: none; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}