/* ============ design tokens ============ */
:root {
  /* color — warm paper light theme */
  --bg: #f7f5f1;
  --surface: #fffefb;
  --surface-2: #f0ede6;
  --surface-3: #e7e2d8;
  --text: #211d17;
  --text-dim: #6e675c;
  --text-faint: #9a917f;
  --line: #e2ddd2;
  --line-strong: #cdc6b8;
  --accent: #b3672f;
  --accent-soft: #b3672f22;
  --accent-text: #fff;
  --danger: #b23a3a;
  --ok: #4f7a58;
  --scrim: rgba(20, 15, 8, .4);
  --elev-1: 0 1px 3px rgba(35, 28, 16, .07), 0 4px 14px rgba(35, 28, 16, .06);
  --elev-2: 0 4px 10px rgba(35, 28, 16, .1), 0 14px 36px rgba(35, 28, 16, .14);

  /* shape + motion */
  --r-sm: 7px;
  --r-md: 11px;
  --r-lg: 16px;
  --ease: cubic-bezier(.3, .8, .4, 1);
  --t-fast: 140ms;
  --t-med: 220ms;

  /* type */
  --font-ui: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;

  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #121009;
  --surface: #1c1912;
  --surface-2: #26221a;
  --surface-3: #322d22;
  --text: #efe9dd;
  --text-dim: #a39a89;
  --text-faint: #7a7263;
  --line: #2e2a20;
  --line-strong: #453f30;
  --accent: #d99354;
  --accent-soft: #d9935426;
  --accent-text: #1c1206;
  --scrim: rgba(0, 0, 0, .55);
  --elev-1: 0 1px 3px rgba(0, 0, 0, .4), 0 4px 14px rgba(0, 0, 0, .35);
  --elev-2: 0 6px 14px rgba(0, 0, 0, .5), 0 18px 44px rgba(0, 0, 0, .5);
  color-scheme: dark;
}

/* ============ bundled card fonts (print pipeline — do not swap for CDN) ============ */
@font-face { font-family: "Great Vibes"; src: url("../assets/fonts/great-vibes.ttf"); font-display: block; }
@font-face { font-family: "Dancing Script"; src: url("../assets/fonts/dancing-script.ttf"); font-display: block; }
@font-face { font-family: "Caveat"; src: url("../assets/fonts/caveat.ttf"); font-display: block; }
@font-face { font-family: "Playfair Display"; src: url("../assets/fonts/playfair-display.ttf"); font-display: block; }
@font-face { font-family: "Cormorant Garamond"; src: url("../assets/fonts/cormorant-garamond.ttf"); font-display: block; }
@font-face { font-family: "Lora"; src: url("../assets/fonts/lora.ttf"); font-display: block; }
@font-face { font-family: "EB Garamond"; src: url("../assets/fonts/eb-garamond.ttf"); font-display: block; }
@font-face { font-family: "Montserrat"; src: url("../assets/fonts/montserrat.ttf"); font-display: block; }
@font-face { font-family: "Nunito Sans"; src: url("../assets/fonts/nunito-sans.ttf"); font-display: block; }
@font-face { font-family: "Josefin Sans"; src: url("../assets/fonts/josefin-sans.ttf"); font-display: block; }
@font-face { font-family: "Courier Prime"; src: url("../assets/fonts/courier-prime.ttf"); font-display: block; }

/* ============ base ============ */
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 400 14.5px/1.5 var(--font-ui);
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}
#app { height: 100%; }
.screen { height: 100%; }
[hidden] { display: none !important; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 600; }

.ic {
  width: 20px; height: 20px; flex: none;
  fill: none; stroke: currentColor;
  stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round;
  pointer-events: none;
}
.ic.sm { width: 16px; height: 16px; }
.ic.lg { width: 24px; height: 24px; }

button {
  font: 500 13.5px/1 var(--font-ui);
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 0 14px;
  height: 36px;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
button:hover { border-color: var(--line-strong); background: var(--surface-3); }
button:active { transform: scale(.97); }
button.primary { background: var(--accent); color: var(--accent-text); border-color: transparent; font-weight: 600; }
button.primary:hover { filter: brightness(1.07); background: var(--accent); }
button.ghost { background: transparent; border-color: transparent; }
button.ghost:hover { background: var(--surface-2); }
button.icon-btn { width: 36px; padding: 0; }
button:disabled { opacity: .4; cursor: default; pointer-events: none; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

input, select, textarea {
  font: inherit; color: inherit;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 8px 11px;
  max-width: 100%;
}
select { cursor: pointer; }
label { color: var(--text-dim); font-size: 12.5px; font-weight: 500; }

input[type="range"] {
  -webkit-appearance: none; appearance: none;
  height: 26px; padding: 0; background: transparent; border: none;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px; border-radius: 2px; background: var(--surface-3);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 16px; height: 16px; margin-top: -6px;
  border-radius: 50%; background: var(--accent);
  border: 2.5px solid var(--surface);
  box-shadow: 0 1px 3px rgba(0,0,0,.25);
}
input[type="range"]::-moz-range-track { height: 4px; border-radius: 2px; background: var(--surface-3); }
input[type="range"]::-moz-range-thumb {
  width: 12px; height: 12px; border-radius: 50%; background: var(--accent);
  border: 2.5px solid var(--surface); box-shadow: 0 1px 3px rgba(0,0,0,.25);
}

/* ============ landing ============ */
#landing { display: flex; flex-direction: column; align-items: center; overflow-y: auto; padding: clamp(20px, 4vw, 44px) 20px 60px; }
.landing-inner { width: 100%; max-width: 880px; }
.landing-head { display: flex; align-items: center; gap: 14px; }
.wordmark { display: flex; align-items: baseline; gap: 10px; }
.wordmark .mark {
  font-family: var(--font-display); font-weight: 700; font-size: 26px; letter-spacing: -.02em;
}
.wordmark .mark em { font-style: normal; color: var(--accent); }
.wordmark .wordmark-thai { color: var(--text-faint); font-size: 15px; }
.landing-head .spacer { flex: 1; }
.landing-sub { color: var(--text-dim); margin: 10px 0 34px; max-width: 60ch; font-size: 14px; }

.landing-section { margin-top: 34px; }
.landing-section > h2 {
  font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--text-faint); margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.landing-section > h2 .count { color: var(--text-dim); font-weight: 500; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; }
.project-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; cursor: pointer; padding: 0;
  display: flex; flex-direction: column; height: auto;
  box-shadow: var(--elev-1);
  transition: transform var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease), border-color var(--t-fast);
}
.project-card:hover { transform: translateY(-3px); box-shadow: var(--elev-2); }
.project-card .thumb {
  aspect-ratio: 5 / 7; background: var(--surface-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-faint); overflow: hidden; position: relative;
}
.project-card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.project-card .thumb .added {
  position: absolute; top: 8px; right: 8px;
  background: var(--surface); color: var(--ok);
  border-radius: 999px; width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--elev-1);
}
.project-card .meta { padding: 10px 12px 11px; text-align: left; width: 100%; }
.project-card .meta .t {
  font-family: var(--font-display); font-weight: 600; font-size: 13.5px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.project-card .meta .d { color: var(--text-dim); font-size: 11.5px; margin-top: 3px; }

.project-card.new {
  align-items: center; justify-content: center; gap: 10px;
  background: var(--accent-soft); border: 1.5px solid var(--accent);
  color: var(--accent); box-shadow: none; min-height: 180px;
  font-family: var(--font-display); font-weight: 600; font-size: 14px;
}
.project-card.new:hover { background: var(--accent); color: var(--accent-text); }
.project-card.new .plus-ring {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1.75px solid currentColor;
  display: flex; align-items: center; justify-content: center;
}

.empty-note {
  grid-column: 1 / -1; align-self: center;
  color: var(--text-faint); font-size: 13px; padding: 8px 2px;
}
.storage-note {
  margin-top: 44px; color: var(--text-faint); font-size: 12px;
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 999px; padding: 7px 14px;
}

/* ============ dialogs ============ */
dialog {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--elev-2); padding: 24px;
  max-width: min(440px, 94vw); width: 100%;
}
dialog::backdrop { background: var(--scrim); }
dialog h2 { font-size: 17px; margin-bottom: 16px; }
.form-row { display: flex; flex-direction: column; gap: 5px; margin-bottom: 13px; }
.form-row input, .form-row select { height: 40px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
.dialog-actions button { height: 40px; }
.warn-list { margin: 8px 0; padding-left: 18px; color: var(--text-dim); font-size: 13px; }
.warn-list li { margin-bottom: 6px; }

/* ============ toasts ============ */
#toasts {
  position: fixed; bottom: calc(16px + env(safe-area-inset-bottom));
  left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 8px; z-index: 400; align-items: center;
  pointer-events: none;
}
.toast {
  background: var(--text); color: var(--bg);
  border-radius: 999px; box-shadow: var(--elev-2);
  padding: 9px 18px; font-size: 13px; font-weight: 500; max-width: 88vw;
  animation: toast-in var(--t-med) var(--ease);
}
.toast.error { background: var(--danger); color: #fff; }
@keyframes toast-in { from { opacity: 0; transform: translateY(10px); } }

/* mobile: room for the bottom nav */
body[data-device="mobile"] #editor ~ #toasts,
body[data-device="mobile"] #toasts { bottom: calc(76px + env(safe-area-inset-bottom)); }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}