/* PicsNBeats — design language inspired by Syntax Supercut Studio:
   whitespace + 1px rules, sharp corners, 1.5px ink borders, uppercase mono
   labels, square status pips, neon lime accent, inverted log panel.
   Light and dark themes share the same lime. */

@font-face {
  font-family: 'Unbounded';
  src: url('vendor/fonts/unbounded.woff2') format('woff2');
  font-weight: 200 900;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('vendor/fonts/jetbrains-mono.woff2') format('woff2');
  font-weight: 100 800;
  font-display: swap;
}

:root {
  --accent: #C8F549;
  --accent-ink: #0A0A0A;
  --display: 'Unbounded', 'Segoe UI', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
}

:root[data-theme='dark'] {
  color-scheme: dark;
  --bg: #0B0B0C;
  --ink: #F2F2EE;
  --muted: #8F8F97;
  --rule: #232328;
  --border: #44444B;
  --accent-dim: rgba(200, 245, 73, 0.12);
  --btn-bg: #F2F2EE;
  --btn-fg: #0A0A0A;
  --invert-bg: #000000;
  --invert-edge: #2A2A2E;
  --checker-a: #1B1B1F;
  --checker-b: #141417;
  --field-bg: #131316;
  --tl-bar: #45454D;
  --tl-tick: rgba(242, 242, 238, 0.35);
  --tl-marker: rgba(242, 242, 238, 0.75);
  --danger: #FF6262;
}

:root[data-theme='light'] {
  color-scheme: light;
  --bg: #FFFFFF;
  --ink: #0A0A0A;
  --muted: #6B6B6B;
  --rule: #E7E7E2;
  --border: #0A0A0A;
  --accent-dim: rgba(200, 245, 73, 0.25);
  --btn-bg: #0A0A0A;
  --btn-fg: #FFFFFF;
  --invert-bg: #0A0A0A;
  --invert-edge: #0A0A0A;
  --checker-a: #ECECE8;
  --checker-b: #F8F8F6;
  --field-bg: #FFFFFF;
  --tl-bar: #D9D9D3;
  --tl-tick: rgba(10, 10, 10, 0.4);
  --tl-marker: rgba(10, 10, 10, 0.6);
  --danger: #D62F2F;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.9rem;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background 0.25s, color 0.25s;
}

::selection { background: var(--accent); color: var(--accent-ink); }

*:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }

/* ---------- theme toggle ---------- */

.theme-toggle {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  background: var(--bg);
  color: var(--ink);
  border: 1.5px solid var(--border);
  padding: 9px 13px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.theme-toggle:hover { background: var(--accent); color: var(--accent-ink); }
.theme-toggle:hover .tt-pip { background: var(--accent-ink); border-color: var(--accent-ink); }
.tt-pip {
  width: 0.7rem;
  height: 0.7rem;
  border: 1.5px solid var(--ink);
  background: var(--accent);
  transition: background 0.15s, border-color 0.15s;
}
:root[data-theme='dark'] .theme-toggle::after { content: 'DARK'; }
:root[data-theme='light'] .theme-toggle::after { content: 'LIGHT'; }

/* ---------- header ---------- */

header { text-align: center; padding: 88px 16px 8px; }

.wordmark {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.4rem, 6.5vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  text-transform: uppercase;
}
.wm-n {
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0 0.09em;
  margin: 0 0.05em;
  display: inline-block;
}

.meta-tag {
  margin: 22px 0 0;
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.tagline {
  color: var(--muted);
  max-width: 560px;
  margin: 14px auto 0;
  font-size: 0.85rem;
}

/* ---------- layout: whitespace + rules ---------- */

main {
  max-width: 1020px;
  margin: 56px auto 0;
  padding: 0 20px;
}

.card {
  border-top: 1px solid var(--rule);
  padding: 38px 0 44px;
}

.card h2 {
  margin: 0 0 22px;
  font-family: var(--display);
  font-size: clamp(1.15rem, 2.2vw, 1.6rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1;
  display: flex;
  align-items: center;
  gap: 16px;
}

.step {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 9px;
}
/* square status pip: outline = pending, lime = step has data */
.step::before {
  content: '';
  width: 0.72rem;
  height: 0.72rem;
  border: 1.5px solid var(--border);
  background: transparent;
  transition: background 0.2s, border-color 0.2s;
}
.card.done .step::before { background: var(--accent); border-color: var(--border); }

/* entrance */
@keyframes rise { from { opacity: 0; transform: translateY(12px); } }
header { animation: rise 0.55s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
.card { animation: rise 0.5s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
main .card:nth-child(1) { animation-delay: 0.04s; }
main .card:nth-child(2) { animation-delay: 0.08s; }
main .card:nth-child(3) { animation-delay: 0.12s; }
main .card:nth-child(4) { animation-delay: 0.16s; }
main .card:nth-child(5) { animation-delay: 0.20s; }
main .card:nth-child(6) { animation-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  header, .card { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- common ---------- */

.hint { color: var(--muted); font-size: 0.76rem; }
.hidden { display: none !important; }

kbd {
  font-family: var(--mono);
  font-size: 0.85em;
  border: 1.5px solid var(--border);
  padding: 1px 6px;
  color: var(--ink);
}

.btn {
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border: 0;
  border-radius: 0;
  background: var(--btn-bg);
  color: var(--btn-fg);
  padding: 0.9rem 1.35rem;
  text-decoration: none;
  display: inline-block;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.05s;
}
.btn:hover:not(:disabled) { background: var(--accent); color: var(--accent-ink); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover:not(:disabled) { background: var(--btn-bg); color: var(--btn-fg); }
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--border);
  padding: calc(0.9rem - 1.5px) calc(1.35rem - 1.5px);
}
.btn.ghost:hover:not(:disabled) { background: var(--accent); color: var(--accent-ink); border-color: var(--border); }
.btn.danger {
  background: transparent;
  color: var(--danger);
  border: 1.5px solid var(--danger);
  padding: calc(0.9rem - 1.5px) calc(1.35rem - 1.5px);
}
.btn.danger:hover:not(:disabled) { background: var(--danger); color: #fff; }
.btn.small { padding: 0.5rem 0.85rem; font-size: 0.68rem; }
.btn.small.ghost, .btn.small.danger { padding: calc(0.5rem - 1.5px) calc(0.85rem - 1.5px); }
.btn-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

.pill {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  border: 1.5px solid var(--rule);
  padding: 6px 12px;
  color: var(--muted);
  background: transparent;
}
.pill.accent {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  font-weight: 600;
}

/* ---------- dropzones ---------- */

.dropzone {
  border: 1.5px dashed var(--border);
  padding: 30px 26px;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
}
.dropzone.dragover { border-color: var(--accent); background: var(--accent-dim); border-style: solid; }
.dropzone p { margin: 4px 0; }

/* ---------- thumbnails ---------- */

.img-tools { display: flex; gap: 8px; align-items: center; margin-top: 18px; flex-wrap: wrap; }

.thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: 8px;
  margin-top: 14px;
  max-height: 244px;
  overflow-y: auto;
}
.thumb { position: relative; cursor: pointer; }
.thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 2px solid var(--border);
  transition: opacity 0.12s, filter 0.12s, border-color 0.12s;
}
.thumb::after {
  content: '✓';
  position: absolute;
  top: 6px;
  right: 6px;
  width: 1rem;
  height: 1rem;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 0.7rem;
  font-weight: 700;
}
.thumb.off img { opacity: 0.3; filter: grayscale(0.9); border-color: var(--rule); }
.thumb.off::after { display: none; }

#audio-info { display: flex; gap: 8px; margin-top: 18px; flex-wrap: wrap; }

/* ---------- style options ---------- */

.mode-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 700px) { .mode-row { grid-template-columns: 1fr; } }
.mode-option input { display: none; }
.mode-box {
  border: 1.5px solid var(--border);
  padding: 18px 20px;
  cursor: pointer;
  height: 100%;
  transition: background 0.15s, color 0.15s;
}
.mode-box strong {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8rem;
}
.mode-box:hover { background: var(--accent-dim); }
.mode-box p { margin: 8px 0 0; color: var(--muted); font-size: 0.76rem; }
.mode-option input:checked + .mode-box {
  background: var(--accent);
  color: var(--accent-ink);
}
.mode-option input:checked + .mode-box p { color: rgba(10, 10, 10, 0.65); }

.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-top: 22px;
  align-items: end;
}
.options-grid label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.options-grid label.check {
  flex-direction: row;
  align-items: center;
  color: var(--ink);
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.8rem;
}
.options-grid select,
.options-grid input[type="number"] {
  font-family: var(--mono);
  font-size: 0.8rem;
  background: var(--field-bg);
  color: var(--ink);
  border: 1.5px solid var(--border);
  border-radius: 0;
  padding: 10px;
  transition: border-color 0.15s;
}
.options-grid select:hover,
.options-grid input[type="number"]:hover { border-color: var(--accent); }
.options-grid input[type="range"] { accent-color: var(--accent); height: 40px; }
.options-grid input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; }
.options-grid input[type="color"] {
  background: var(--field-bg);
  border: 1.5px solid var(--border);
  border-radius: 0;
  height: 43px;
  padding: 4px;
  cursor: pointer;
  width: 100%;
}
.btn-label .btn { width: 100%; }

/* ---------- timeline ---------- */

.timeline {
  position: relative;
  border: 1.5px solid var(--border);
  overflow: hidden;
  background: var(--bg);
  min-height: 150px;
}
.tl-strip {
  display: flex;
  height: 52px;
  border-bottom: 1px solid var(--rule);
}
.tl-seg {
  background-size: cover;
  background-position: center;
  border-right: 1px solid var(--bg);
  min-width: 0;
}
.tl-seg:last-child { border-right: none; }
.tl-wavewrap { position: relative; height: 97px; cursor: pointer; }
.tl-wavewrap canvas { display: block; width: 100%; height: 100%; }
.tl-overlay { position: absolute; inset: 0; pointer-events: none; }
.tl-marker {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 16px;
  transform: translateX(-50%);
  pointer-events: auto;
  cursor: ew-resize;
  touch-action: none;
}
.tl-marker::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: var(--tl-marker);
  transition: background 0.12s;
}
.tl-marker::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 4px;
  width: 9px;
  height: 9px;
  transform: translateX(-50%);
  background: var(--accent);
  border: 1.5px solid var(--accent-ink);
  opacity: 0;
  transition: opacity 0.12s;
}
.tl-marker:hover::before, .tl-marker.dragging::before { background: var(--accent); }
.tl-marker:hover::after, .tl-marker.dragging::after { opacity: 1; }
.timeline.is-dragging { cursor: ew-resize; }
.tl-playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(200, 245, 73, 0.5);
  pointer-events: none;
  will-change: transform;
}
.timeline.empty > :not(.tl-empty) { visibility: hidden; }
.tl-empty { display: none; }
.timeline.empty .tl-empty {
  display: grid;
  position: absolute;
  inset: 0;
  place-items: center;
  color: var(--muted);
  font-size: 0.78rem;
}
#card-timeline h2 .btn { margin-left: auto; }

/* ---------- preview ---------- */

.canvas-wrap {
  position: relative;
  overflow: hidden;
  border: 1.5px solid var(--border);
}
.checker {
  background-image:
    linear-gradient(45deg, var(--checker-a) 25%, transparent 25%, transparent 75%, var(--checker-a) 75%),
    linear-gradient(45deg, var(--checker-a) 25%, transparent 25%, transparent 75%, var(--checker-a) 75%);
  background-color: var(--checker-b);
  background-size: 24px 24px;
  background-position: 0 0, 12px 12px;
}
#canvas { display: block; width: 100%; height: auto; }
.canvas-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  font-size: 0.78rem;
}

/* ---------- layout editor overlay ---------- */
.le-overlay { position: absolute; inset: 0; pointer-events: none; display: none; }
.le-overlay.show { display: block; }
.le-box {
  position: absolute;
  pointer-events: auto;
  cursor: move;
  border: 1.5px solid var(--accent);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.4);
  box-sizing: border-box;
  transform-origin: center center;
}
.le-handle {
  position: absolute;
  width: 12px; height: 12px;
  background: var(--accent);
  border: 1.5px solid var(--accent-ink);
  pointer-events: auto;
}
.le-h-nw { left: -7px; top: -7px; cursor: nwse-resize; }
.le-h-ne { right: -7px; top: -7px; cursor: nesw-resize; }
.le-h-se { right: -7px; bottom: -7px; cursor: nwse-resize; }
.le-h-sw { left: -7px; bottom: -7px; cursor: nesw-resize; }
.le-rot {
  position: absolute;
  left: 50%; top: -28px;
  width: 13px; height: 13px;
  margin-left: -7px;
  background: var(--accent);
  border: 1.5px solid var(--accent-ink);
  border-radius: 50%;
  cursor: grab;
  pointer-events: auto;
}
.le-rot::before {
  content: ''; position: absolute; left: 50%; top: 13px;
  width: 1.5px; height: 15px; margin-left: -1px; background: var(--accent);
}
.le-box.dragging { border-style: dashed; }
.le-snap { position: absolute; background: var(--accent); display: none; opacity: 0.7; pointer-events: none; }
.le-snap-x { left: 50%; top: 0; bottom: 0; width: 1px; transform: translateX(-0.5px); }
.le-snap-y { top: 50%; left: 0; right: 0; height: 1px; transform: translateY(-0.5px); }

#card-preview h2 .btn { margin-left: 0; }
#card-preview h2 #btn-edit { margin-left: auto; }
.btn.active-toggle { background: var(--accent); color: var(--accent-ink); }
#inspector { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--rule); }
#inspector .options-grid { margin-top: 12px; }

.transport { display: flex; gap: 14px; align-items: center; margin-top: 18px; flex-wrap: wrap; }
.transport input[type="range"] { flex: 1; accent-color: var(--accent); min-width: 140px; }
.time { color: var(--muted); font-size: 0.74rem; white-space: nowrap; }
.vol { display: flex; align-items: center; gap: 8px; }
.vol-label { font-size: 0.62rem; letter-spacing: 0.16em; color: var(--muted); }
.vol input[type="range"] { flex: 0 0 auto; width: 88px; accent-color: var(--accent); min-width: 0; }

/* ---------- export: inverted log panel ---------- */

#export-progress {
  margin-top: 22px;
  background: var(--invert-bg);
  border: 1.5px solid var(--invert-edge);
  padding: 18px;
}
.bar {
  height: 10px;
  background: transparent;
  border: 1.5px solid rgba(200, 245, 73, 0.4);
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.2s;
}
#export-status {
  margin: 12px 0 0;
  color: var(--accent);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
}
#export-done { display: flex; gap: 12px; align-items: center; margin-top: 18px; }

.project-row {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--rule);
}
.project-label {
  font-size: 0.64rem; letter-spacing: 0.18em; color: var(--muted); margin-right: 4px;
}

/* ---------- footer ---------- */

footer {
  border-top: 1px solid var(--rule);
  text-align: center;
  margin-top: 26px;
  padding: 30px 16px 44px;
}
footer p {
  margin: 0;
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}