/* ------------------------------------------------------------------
   USDS Tools — futuristic dark theme
   ------------------------------------------------------------------ */

:root {
  --bg-0: #060912;
  --bg-1: #0b1222;
  --bg-2: #111a30;
  --card: rgba(18, 26, 48, 0.72);
  --card-border: rgba(120, 170, 255, 0.16);
  --ink: #eaf2ff;
  --ink-dim: #9fb0cf;
  --ink-muted: #6c7d9f;
  --accent: #5aa0ff;
  --accent-2: #8a6bff;
  --accent-3: #3ee6c4;
  --danger: #ff6b8a;
  --ok: #36e2a0;
  --radius: 14px;
  --shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.55);
  --grad-accent: linear-gradient(135deg, #5aa0ff 0%, #8a6bff 55%, #3ee6c4 100%);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-0);
  color: var(--ink);
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

body {
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(90,160,255,0.22), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(138,107,255,0.22), transparent 60%),
    radial-gradient(900px 700px at 50% 110%, rgba(62,230,196,0.12), transparent 60%),
    linear-gradient(180deg, #05080f 0%, #070b18 100%);
  background-attachment: fixed;
}

/* subtle grid overlay */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(120,170,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,170,255,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at top, black 40%, transparent 80%);
  z-index: 0;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: #8cc0ff; }

/* screen-reader-only utility */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

/* --------------------------- Header --------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(6, 9, 18, 0.72);
  border-bottom: 1px solid var(--card-border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex; align-items: center; gap: 12px;
  color: var(--ink);
}
.logo-img {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, rgba(90,160,255,0.18), rgba(138,107,255,0.18));
  padding: 4px;
  border: 1px solid rgba(120,170,255,0.25);
  object-fit: contain;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text .brand {
  font-weight: 700; font-size: 14px; letter-spacing: 0.1px;
  color: var(--ink);
}
.logo-text .tag {
  display: inline-block;
  width: max-content;
  margin-top: 3px;
  font-size: 9px; font-weight: 600;
  letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--accent-3);
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(62, 230, 196, 0.1);
  border: 1px solid rgba(62, 230, 196, 0.22);
}
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--ink-dim); font-size: 14px; font-weight: 500; transition: color .15s ease; position: relative; }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active:not(.cta) { color: var(--ink); }
.nav-links a.active:not(.cta)::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -20px; height: 2px;
  background: var(--grad-accent);
  border-radius: 2px 2px 0 0;
}
.nav-links .cta {
  padding: 10px 18px;
  border-radius: 10px;
  background: #ffffff;
  color: #060912 !important;
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: 0.1px;
  border: 1px solid rgba(255,255,255,0.9);
  box-shadow: 0 0 0 1px rgba(90,160,255,0.0), 0 8px 24px -10px rgba(90,160,255,0.35);
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.nav-links .cta:hover {
  transform: translateY(-1px);
  background: #f0f6ff;
  box-shadow: 0 12px 28px -10px rgba(90,160,255,0.55);
}

/* --------------------------- Hero --------------------------- */
.hero {
  padding: 90px 0 60px;
  text-align: center;
  position: relative;
}
.hero .eyebrow {
  display: inline-block;
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--card-border);
  background: rgba(90,160,255,0.08);
  color: var(--accent-3);
  font-size: 12px; letter-spacing: 3px; text-transform: uppercase;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(34px, 6vw, 64px);
  line-height: 1.05;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, #ffffff 0%, #a9c2ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  max-width: 720px; margin: 0 auto;
  font-size: 18px; color: var(--ink-dim); line-height: 1.6;
}
.hero-actions {
  margin-top: 28px;
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
}
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px; border-radius: 12px;
  font-weight: 600; font-size: 15px;
  border: 1px solid var(--card-border);
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(120,170,255,0.4); }
.btn.primary {
  background: #ffffff;
  color: #060912;
  border-color: transparent;
  box-shadow: 0 14px 34px -12px rgba(90,160,255,0.55), inset 0 0 0 1px rgba(255,255,255,0.9);
}
.btn.primary:hover { background: #f0f6ff; color: #060912; }
.btn.ghost {
  background: transparent;
  border-color: rgba(120,170,255,0.25);
  color: var(--ink);
}
.btn.ghost:hover { background: rgba(120,170,255,0.08); border-color: rgba(120,170,255,0.45); }

/* --------------------------- Search hero --------------------------- */
.search-hero {
  padding: 80px 0 30px;
  text-align: center;
}
.search-wrap {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
}
.search-wrap::before {
  content: "";
  position: absolute; inset: -12px;
  background: radial-gradient(60% 100% at 50% 50%, rgba(90,160,255,0.28), transparent 70%);
  filter: blur(24px);
  z-index: -1;
  opacity: 0.7;
  pointer-events: none;
}
.search-icon {
  position: absolute; top: 50%; left: 22px; transform: translateY(-50%);
  width: 20px; height: 20px;
  color: var(--ink-muted);
  pointer-events: none;
}
.search-input {
  width: 100%;
  padding: 20px 60px 20px 56px;
  font-size: 17px;
  font-family: inherit;
  color: var(--ink);
  background: rgba(10, 15, 30, 0.72);
  border: 1px solid rgba(120,170,255,0.22);
  border-radius: 16px;
  outline: none;
  backdrop-filter: blur(8px);
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.5);
}
.search-input::placeholder { color: var(--ink-muted); }
.search-input:focus {
  border-color: rgba(120,170,255,0.6);
  background: rgba(12, 18, 36, 0.88);
  box-shadow: 0 0 0 4px rgba(90,160,255,0.12), 0 20px 60px -20px rgba(0,0,0,0.5);
}
.search-input:focus + .search-kbd { opacity: 0; }
.search-kbd {
  position: absolute; top: 50%; right: 20px; transform: translateY(-50%);
  padding: 4px 9px;
  font-size: 12px; font-family: ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--ink-dim);
  background: rgba(120,170,255,0.08);
  border: 1px solid rgba(120,170,255,0.22);
  border-radius: 6px;
  pointer-events: none;
  transition: opacity .15s ease;
}
.search-hint {
  margin: 16px 0 0; min-height: 20px;
  color: var(--ink-muted); font-size: 13px; letter-spacing: 0.3px;
}

/* --------------------------- Sections --------------------------- */
.section { padding: 40px 0 60px; }

.category {
  text-align: center;
  margin-bottom: 40px;
}
.category-title {
  margin: 0; font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 700; letter-spacing: -0.02em; line-height: 1;
  background: linear-gradient(180deg, #ffffff 0%, #a9c2ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-flex; align-items: center; gap: 14px;
}
.category-title::before,
.category-title::after {
  content: "";
  display: block;
  height: 1px; width: 56px;
  background: linear-gradient(90deg, transparent, rgba(120,170,255,0.45), transparent);
}
.category-sub {
  max-width: 580px; margin: 14px auto 0;
  color: var(--ink-dim); font-size: 15px; line-height: 1.6;
}

.empty-state {
  text-align: center;
  margin-top: 40px;
  color: var(--ink-muted);
  font-size: 14px;
}

.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 32px; gap: 24px; flex-wrap: wrap;
}
.section-head h2 {
  font-size: 28px; margin: 0 0 6px; letter-spacing: -0.01em;
}
.section-head p { margin: 0; color: var(--ink-dim); font-size: 15px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.tool-card {
  position: relative;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--ink);
  overflow: hidden;
  transition: transform .18s ease, border-color .2s ease, box-shadow .2s ease;
  display: flex; flex-direction: column; min-height: 180px;
}
.tool-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(400px 200px at 0% 0%, rgba(90,160,255,0.12), transparent 60%);
  opacity: 0; transition: opacity .25s ease;
  pointer-events: none;
}
.tool-card:hover { transform: translateY(-3px); border-color: rgba(120,170,255,0.38);
  box-shadow: var(--shadow); }
.tool-card:hover::before { opacity: 1; }
.tool-card .icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--grad-accent);
  display: grid; place-items: center;
  color: #06101e;
  margin-bottom: 16px;
  box-shadow: 0 10px 24px -10px rgba(90,160,255,0.55);
}
.tool-card .icon svg { width: 22px; height: 22px; }
.tool-card h3 { margin: 0 0 6px; font-size: 18px; }
.tool-card p { margin: 0 0 16px; color: var(--ink-dim); font-size: 14px; line-height: 1.55; }
.tool-card .arrow {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--accent-3); font-weight: 600; font-size: 14px;
}
.tool-card.coming {
  opacity: 0.6;
  cursor: not-allowed;
}
.tool-card.coming .badge {
  position: absolute; top: 14px; right: 14px;
  font-size: 10px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--ink-muted); border: 1px solid var(--card-border);
  padding: 3px 8px; border-radius: 999px;
}

/* --------------------------- Coming soon --------------------------- */
.coming-section {
  min-height: calc(100vh - 72px - 260px);
  display: grid;
  place-items: center;
  padding: 80px 0;
}
.coming-card {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
  padding: 60px 48px;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.coming-card::before {
  content: "";
  position: absolute; inset: -1px;
  padding: 1px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(90,160,255,0.5), rgba(138,107,255,0.35) 50%, rgba(62,230,196,0.4));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
  opacity: 0.55;
}
.coming-card::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(500px 260px at 50% 0%, rgba(90,160,255,0.18), transparent 70%);
  pointer-events: none;
}
.coming-title {
  font-size: clamp(44px, 7vw, 72px);
  line-height: 1; margin: 14px 0 18px;
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, #ffffff 0%, #a9c2ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.coming-sub {
  max-width: 460px; margin: 0 auto;
  color: var(--ink-dim);
  font-size: 16px; line-height: 1.65;
}
.coming-actions {
  position: relative;
  margin-top: 32px;
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}
.coming-pulse {
  position: relative;
  margin-top: 40px;
  display: flex; gap: 10px; justify-content: center;
}
.coming-pulse span {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.4s infinite ease-in-out;
}
.coming-pulse span:nth-child(2) { background: var(--accent-2); animation-delay: 0.2s; }
.coming-pulse span:nth-child(3) { background: var(--accent-3); animation-delay: 0.4s; }
@keyframes pulse {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1.1); opacity: 1; }
}

/* --------------------------- Tool page --------------------------- */
.tool-hero {
  padding: 60px 0 30px; text-align: center;
}
.tool-hero h1 { font-size: clamp(28px, 4vw, 44px); margin: 0 0 10px; letter-spacing: -0.02em; }
.tool-hero p { margin: 0 auto; max-width: 640px; color: var(--ink-dim); }

.panel {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.drop {
  display: block;
  position: relative;
  padding: 56px 28px;
  text-align: center;
  cursor: pointer;
  border-radius: 16px;
  background:
    radial-gradient(600px 240px at 50% 0%, rgba(90,160,255,0.22), transparent 70%),
    linear-gradient(180deg, rgba(18, 28, 54, 0.92), rgba(12, 18, 36, 0.96));
  border: 1px solid rgba(120,170,255,0.45);
  transition: border-color .2s ease, transform .15s ease, box-shadow .2s ease, background .2s ease;
  overflow: hidden;
  box-shadow: 0 14px 40px -18px rgba(90,160,255,0.35);
}
/* dashed "inner frame" drawn via SVG background — crisper than CSS dashed border,
   and lives inside the solid container so the body grid doesn't bleed through */
.drop::before {
  content: "";
  position: absolute; inset: 12px;
  border-radius: 11px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25'><rect width='100%25' height='100%25' rx='11' ry='11' fill='none' stroke='%238cc0ff' stroke-opacity='0.7' stroke-width='1.5' stroke-dasharray='10 8'/></svg>");
  pointer-events: none;
  transition: opacity .2s ease;
}
.drop:hover, .drop.drag {
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 22px 56px -18px rgba(90,160,255,0.55);
}
.drop.drag {
  background:
    radial-gradient(600px 260px at 50% 0%, rgba(90,160,255,0.32), transparent 70%),
    linear-gradient(180deg, rgba(22, 36, 70, 0.96), rgba(14, 22, 44, 1));
}
.drop input { display: none; }
.drop .icon-big {
  position: relative;
  width: 64px; height: 64px; margin: 0 auto 18px;
  border-radius: 18px;
  background: var(--grad-accent);
  display: grid; place-items: center;
  color: #06101e;
  box-shadow: 0 16px 40px -14px rgba(90,160,255,0.7);
  animation: drop-pulse 2.4s ease-in-out infinite;
}
.drop:hover .icon-big, .drop.drag .icon-big { animation-play-state: paused; }
@keyframes drop-pulse {
  0%, 100% { transform: translateY(0); box-shadow: 0 16px 40px -14px rgba(90,160,255,0.7); }
  50%      { transform: translateY(-3px); box-shadow: 0 22px 50px -14px rgba(90,160,255,0.9); }
}
.drop .icon-big svg { width: 30px; height: 30px; }
.drop h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  position: relative;
}
.drop p { margin: 0; color: var(--ink-dim); font-size: 13.5px; position: relative; }

.controls {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px; align-items: end;
}

.field { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.field-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  color: var(--accent-3);
  padding-left: 2px;
  line-height: 1;
  display: inline-flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
}
.field-hint {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: none;
  color: var(--ink-muted);
  padding-left: 2px;
}

.select-shell {
  position: relative;
}
.select-shell::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: 12px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(120,170,255,0.35), rgba(138,107,255,0.25) 50%, rgba(62,230,196,0.25));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: 0.6;
  transition: opacity .2s ease;
}
.select-shell:hover::before,
.select-shell:focus-within::before { opacity: 1; }

.select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  width: 100%;
  padding: 14px 44px 14px 18px;
  font-size: 15px;
  font-family: inherit;
  font-weight: 500;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(14, 20, 38, 0.92), rgba(8, 12, 24, 0.92));
  border: 1px solid transparent;
  border-radius: 12px;
  outline: none;
  cursor: pointer;
  transition: background .2s ease;
}
.select:focus { background: linear-gradient(180deg, rgba(18, 26, 50, 0.95), rgba(10, 16, 32, 0.95)); }
.select option { background: #0b1222; color: var(--ink); padding: 10px; }
.select optgroup {
  background: #060912;
  color: var(--ink-muted);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.select-chevron {
  position: absolute;
  top: 50%; right: 16px;
  width: 18px; height: 18px;
  transform: translateY(-50%);
  color: var(--ink-dim);
  pointer-events: none;
  transition: color .15s ease;
}
.select-shell:hover .select-chevron,
.select-shell:focus-within .select-chevron { color: var(--accent); }

/* --------------------------- Resizer workspace --------------------------- */
.workspace { margin-top: 24px; position: relative; }

/* Greyed-out state when no image has been uploaded yet.
   Everything below the header is visible but non-interactive. */
.workspace.is-empty .ws-grid,
.workspace.is-empty .preview,
.workspace.is-empty .ws-footer {
  opacity: 0.5;
  pointer-events: none;
  filter: saturate(0.5);
  transition: opacity .25s ease, filter .25s ease;
}
.workspace.is-empty .ws-dot {
  background: var(--ink-muted);
  box-shadow: none;
  animation: none;
}
.workspace.is-empty .ws-name { color: var(--ink-dim); }
.workspace .ws-grid,
.workspace .preview,
.workspace .ws-footer {
  transition: opacity .25s ease, filter .25s ease;
}

.ws-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  background: rgba(8, 12, 24, 0.55);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.ws-file { display: flex; align-items: center; gap: 12px; min-width: 0; flex: 1; }
.ws-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 10px var(--ok);
}
.ws-name {
  color: var(--ink); font-weight: 500;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  max-width: 360px;
}
.ws-meta { color: var(--ink-muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.ws-head .btn { padding: 8px 14px; font-size: 13px; }

.ws-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 28px;
  margin-bottom: 28px;
  align-items: start;
}
.ws-col { display: flex; flex-direction: column; gap: 22px; min-width: 0; }

.field-group { display: flex; flex-direction: column; gap: 20px; }

.dim-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) minmax(120px, 1.1fr);
  gap: 12px;
  align-items: end;
}
.unit-field { min-width: 0; }

.input {
  width: 100%;
  padding: 14px 14px;
  font-size: 15px;
  font-family: inherit;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  color: var(--ink);
  background: linear-gradient(180deg, rgba(14, 20, 38, 0.92), rgba(8, 12, 24, 0.92));
  border: 1px solid var(--card-border);
  border-radius: 12px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
  box-sizing: border-box;
}
.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(90,160,255,0.12);
}
.input::-webkit-inner-spin-button, .input::-webkit-outer-spin-button { opacity: 0.4; }

/* Field auto-dims when another field overrides it (e.g. target file size
   overrides the quality slider + preset chips). */
.field.is-overridden {
  opacity: 0.45;
  pointer-events: none;
  filter: saturate(0.5);
  transition: opacity .2s ease, filter .2s ease;
}

/* Chip controls (ratio / preset) */
.preset-chips {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.chip {
  padding: 10px 16px;
  font: inherit; font-size: 13px; font-weight: 600;
  color: var(--ink);
  background: rgba(22, 34, 64, 0.75);
  border: 1px solid rgba(120,170,255,0.22);
  border-radius: 10px;
  cursor: pointer;
  transition: color .15s ease, border-color .2s ease, background .2s ease, transform .12s ease;
}
.chip:hover {
  color: var(--ink);
  border-color: rgba(120,170,255,0.5);
  background: rgba(28, 44, 80, 0.85);
  transform: translateY(-1px);
}
.chip.is-active {
  color: #060912;
  background: var(--grad-accent);
  border-color: transparent;
  box-shadow: 0 10px 24px -12px rgba(90,160,255,0.5);
}
.chip:disabled { cursor: not-allowed; }

/* Checkboxes */
.checkbox-row { display: flex; flex-direction: column; gap: 14px; }
.checkbox {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  align-items: start;
}
.checkbox input[type="checkbox"] { position: absolute; opacity: 0; pointer-events: none; }
.checkbox-box {
  width: 18px; height: 18px;
  border-radius: 5px;
  border: 1.5px solid rgba(120,170,255,0.35);
  background: rgba(8, 12, 24, 0.7);
  position: relative;
  transition: background .15s ease, border-color .15s ease;
  margin-top: 2px;
}
.checkbox-box::after {
  content: "";
  position: absolute;
  top: 2px; left: 5px;
  width: 4px; height: 9px;
  border: solid #060912;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform .15s ease;
}
.checkbox input:checked + .checkbox-box {
  background: var(--grad-accent);
  border-color: transparent;
}
.checkbox input:checked + .checkbox-box::after { transform: rotate(45deg) scale(1); }
.checkbox input:disabled ~ .checkbox-box { opacity: 0.4; }
.checkbox-label {
  font-size: 13.5px; color: var(--ink); line-height: 1.45;
  display: flex; flex-direction: column; gap: 2px;
}
.checkbox-label b { font-weight: 600; }
.checkbox-hint {
  font-size: 12px; color: var(--ink-muted); font-weight: 400;
}

/* Advanced options collapsible */
.advanced {
  margin: 24px 0;
  border: 1px solid var(--card-border);
  border-radius: 14px;
  background: rgba(8, 12, 24, 0.45);
  overflow: hidden;
}
.advanced[open] { background: rgba(10, 16, 32, 0.65); border-color: rgba(120,170,255,0.3); }
.advanced > summary {
  list-style: none;
  padding: 16px 20px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  cursor: pointer;
  user-select: none;
}
.advanced > summary::-webkit-details-marker { display: none; }
.advanced .adv-hint {
  margin-left: auto;
  font-size: 12px; color: var(--ink-muted);
}
.advanced-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 4px 20px 20px;
}
.advanced-grid .checkbox-row { grid-column: 1 / -1; }
.advanced-grid.is-locked {
  opacity: 0.45;
  pointer-events: none;
  filter: saturate(0.5);
  transition: opacity .2s ease, filter .2s ease;
}
@media (max-width: 720px) {
  .advanced-grid { grid-template-columns: 1fr; }
}

/* --------------------------- Rotator --------------------------- */
.rotate-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 22px;
  margin: 8px 0 22px;
  align-items: start;
}
.rotate-stage-wrap {
  background:
    repeating-conic-gradient(rgba(255,255,255,0.025) 0% 25%, transparent 0% 50%) 50% / 20px 20px,
    rgba(8, 12, 24, 0.75);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 40px 24px 24px;
  min-height: 420px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.rotate-stage {
  position: relative;
  line-height: 0;
  transition: background-color .15s ease;
  transform-origin: center center;
  box-shadow: 0 12px 40px -18px rgba(0,0,0,0.6);
  border-radius: 4px;
  overflow: hidden;
}
.rotate-stage img {
  position: absolute;
  top: 50%; left: 50%;
  width: auto; height: auto;
  max-width: none; max-height: none;
  transition: transform .25s ease;
  transform-origin: center center;
  will-change: transform;
  border-radius: 0;
}
.rotate-stage.is-transparent {
  background-image:
    repeating-conic-gradient(rgba(255,255,255,0.08) 0% 25%, rgba(0,0,0,0.12) 0% 50%);
  background-size: 18px 18px;
  background-color: transparent !important;
}
.rotate-stage.show-grid::after {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to right, transparent 33.3%, rgba(255,255,255,0.5) 33.3% 33.5%, transparent 33.5% 66.5%, rgba(255,255,255,0.5) 66.5% 66.7%, transparent 66.7%),
    linear-gradient(to bottom, transparent 33.3%, rgba(255,255,255,0.5) 33.3% 33.5%, transparent 33.5% 66.5%, rgba(255,255,255,0.5) 66.5% 66.7%, transparent 66.7%);
  opacity: 0.55;
}
.rotate-dims {
  margin: 14px 0 0;
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
}

.rotate-controls {
  background: rgba(8, 12, 24, 0.55);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 18px;
  display: flex; flex-direction: column; gap: 16px;
}

.rot-btn-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}
.rot-btn-row + .rot-btn-row { grid-template-columns: 1fr 1fr; margin-top: 8px; }
.icon-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 10px;
  background: rgba(22, 34, 64, 0.75);
  border: 1px solid rgba(120,170,255,0.22);
  border-radius: 10px;
  color: var(--ink);
  font: inherit; font-size: 13px; font-weight: 600;
  cursor: pointer;
  transition: background .15s ease, border-color .2s ease, transform .12s ease;
}
.icon-btn:hover { background: rgba(28, 44, 80, 0.9); border-color: rgba(120,170,255,0.5); transform: translateY(-1px); }
.icon-btn svg { width: 16px; height: 16px; color: var(--accent-3); flex-shrink: 0; }
.icon-btn:active { transform: translateY(0); }

.angle-numeric {
  position: relative;
  margin-top: 8px;
}
.angle-numeric .input { padding-right: 32px; }
.input-suffix {
  position: absolute;
  right: 14px; top: 50%; transform: translateY(-50%);
  color: var(--ink-muted);
  font-size: 15px;
  pointer-events: none;
}

.fill-row {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.fill-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 10px;
  background: rgba(22, 34, 64, 0.75);
  border: 1px solid rgba(120,170,255,0.22);
  border-radius: 10px;
  color: var(--ink);
  font: inherit; font-size: 12px; font-weight: 500;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease;
  position: relative;
}
.fill-chip:hover { border-color: rgba(120,170,255,0.45); }
.fill-chip.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent) inset;
}
.fill-chip > span:first-child {
  width: 16px; height: 16px; border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.15);
  display: inline-block;
  flex-shrink: 0;
}
.fill-chip .checker {
  background:
    repeating-conic-gradient(#aaa 0% 25%, #eee 0% 50%) 50% / 6px 6px;
}
.fill-chip.color-chip input[type="color"] {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0; cursor: pointer;
}

@media (max-width: 820px) {
  .rotate-layout { grid-template-columns: 1fr; }
  .rot-btn-row { grid-template-columns: 1fr 1fr 1fr; }
}

/* --------------------------- Cropper --------------------------- */
.crop-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 22px;
  margin: 8px 0 22px;
  align-items: start;
}
.crop-stage-wrap {
  background:
    repeating-conic-gradient(rgba(255,255,255,0.025) 0% 25%, transparent 0% 50%) 50% / 20px 20px,
    rgba(8, 12, 24, 0.75);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 14px;
  display: grid; place-items: center;
  min-height: 320px;
  user-select: none;
}
.crop-stage {
  position: relative;
  display: inline-block;
  line-height: 0;            /* kill baseline gap */
  max-width: 100%;
  touch-action: none;
}
.crop-stage img {
  display: block;
  max-width: 100%;
  max-height: 60vh;
  width: auto; height: auto;
  border-radius: 6px;
  cursor: crosshair;
  -webkit-user-drag: none;
}
.crop-box {
  position: absolute;
  box-sizing: border-box;
  border: 1.5px solid rgba(255,255,255,0.9);
  box-shadow:
    0 0 0 9999px rgba(6, 9, 18, 0.65),
    0 0 0 1px rgba(90,160,255,0.6);
  cursor: move;
  background: transparent;
}
/* Rule-of-thirds grid lines */
.crop-box::before, .crop-box::after {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  opacity: 0.35;
}
.crop-box::before {
  background:
    linear-gradient(to right, transparent 33.3%, rgba(255,255,255,0.7) 33.3% 33.5%, transparent 33.5% 66.5%, rgba(255,255,255,0.7) 66.5% 66.7%, transparent 66.7%);
}
.crop-box::after {
  background:
    linear-gradient(to bottom, transparent 33.3%, rgba(255,255,255,0.7) 33.3% 33.5%, transparent 33.5% 66.5%, rgba(255,255,255,0.7) 66.5% 66.7%, transparent 66.7%);
}
.crop-handle {
  position: absolute;
  width: 14px; height: 14px;
  background: #ffffff;
  border: 1.5px solid var(--accent);
  border-radius: 3px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
}
.crop-handle[data-h="nw"] { top: -8px;  left: -8px;  cursor: nwse-resize; }
.crop-handle[data-h="n"]  { top: -8px;  left: 50%;   transform: translateX(-50%); cursor: ns-resize; }
.crop-handle[data-h="ne"] { top: -8px;  right: -8px; cursor: nesw-resize; }
.crop-handle[data-h="e"]  { top: 50%;   right: -8px; transform: translateY(-50%); cursor: ew-resize; }
.crop-handle[data-h="se"] { bottom: -8px;right: -8px; cursor: nwse-resize; }
.crop-handle[data-h="s"]  { bottom: -8px;left: 50%;  transform: translateX(-50%); cursor: ns-resize; }
.crop-handle[data-h="sw"] { bottom: -8px;left: -8px; cursor: nesw-resize; }
.crop-handle[data-h="w"]  { top: 50%;   left: -8px;  transform: translateY(-50%); cursor: ew-resize; }

.crop-info {
  background: rgba(8, 12, 24, 0.55);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 18px;
  display: flex; flex-direction: column; gap: 14px;
}
.info-row {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 8px; align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px solid rgba(120,170,255,0.08);
}
.info-row:last-of-type { border-bottom: none; padding-bottom: 4px; }
.info-label {
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent-3);
  font-weight: 600;
}
.info-row b {
  color: var(--ink);
  font-size: 18px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  text-align: right;
}
.info-unit { color: var(--ink-muted); font-size: 11px; }

.reset-crop { width: 100%; margin-top: 6px; }

@media (max-width: 820px) {
  .crop-layout { grid-template-columns: 1fr; }
}

/* Savings banner */
.savings-banner {
  margin: 0 0 22px;
  padding: 14px 20px;
  text-align: center;
  background: linear-gradient(90deg, rgba(62,230,196,0.12), rgba(90,160,255,0.08));
  border: 1px solid rgba(62,230,196,0.3);
  border-radius: 12px;
  color: var(--ink);
  font-size: 14px;
  letter-spacing: 0.2px;
}
.savings-banner b {
  color: var(--ok);
  font-size: 22px;
  font-weight: 700;
  margin-right: 6px;
  vertical-align: middle;
}
.savings-banner.is-bad {
  background: linear-gradient(90deg, rgba(255,107,138,0.12), rgba(138,107,255,0.06));
  border-color: rgba(255,107,138,0.3);
}
.savings-banner.is-bad b { color: var(--danger); font-size: 16px; font-weight: 600; }

/* Collapsible "Use a preset..." disclosure */
.preset-details {
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: rgba(8, 12, 24, 0.45);
  overflow: hidden;
  transition: border-color .2s ease, background .2s ease;
}
.preset-details[open] {
  border-color: rgba(120,170,255,0.35);
  background: rgba(10, 16, 32, 0.7);
}
.preset-details summary {
  list-style: none;
  cursor: pointer;
  padding: 13px 16px;
  display: flex; align-items: center; gap: 10px;
  color: var(--ink);
  font-size: 13.5px;
  font-weight: 500;
  user-select: none;
}
.preset-details summary::-webkit-details-marker { display: none; }
.preset-details .preset-icon {
  width: 16px; height: 16px;
  color: var(--accent-3);
  transition: transform .2s ease;
  transform: rotate(-90deg);
  flex-shrink: 0;
}
.preset-details[open] .preset-icon { transform: rotate(0deg); }
.preset-details .preset-hint {
  color: var(--ink-muted);
  font-size: 12px;
  font-weight: 400;
  margin-left: auto;
}
.preset-details > .select-shell { margin: 0 16px 16px; }

.lock {
  align-self: end;
  width: 44px; height: 48px;
  display: grid; place-items: center;
  background: rgba(8, 12, 24, 0.55);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  color: var(--ink-muted);
  cursor: pointer;
  position: relative;
  transition: color .15s ease, border-color .2s ease, background .2s ease, transform .15s ease;
}
.lock::after {
  content: attr(title);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%; transform: translateX(-50%);
  padding: 5px 9px;
  background: rgba(8, 12, 24, 0.95);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  color: var(--ink);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.3px;
  white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity .15s ease;
}
.lock:hover::after { opacity: 1; }
.lock svg { width: 18px; height: 18px; }
.lock:hover { color: var(--ink-dim); border-color: rgba(120,170,255,0.3); }
.lock.locked {
  color: var(--accent-3);
  border-color: rgba(62,230,196,0.45);
  background: rgba(62,230,196,0.08);
}

.range {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  outline: none; cursor: pointer;
}
.range::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 20px; height: 20px; border-radius: 50%;
  background: #ffffff;
  border: 3px solid var(--accent);
  box-shadow: 0 4px 12px rgba(90,160,255,0.5);
  cursor: pointer; transition: transform .15s ease;
}
.range::-webkit-slider-thumb:hover { transform: scale(1.12); }
.range::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff; border: 3px solid var(--accent);
  box-shadow: 0 4px 12px rgba(90,160,255,0.5); cursor: pointer;
}

.hint {
  margin: -4px 0 0;
  color: var(--ink-muted); font-size: 12px; line-height: 1.5;
}

.preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 22px;
}
.preview-card {
  background: rgba(8, 12, 24, 0.55);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  overflow: hidden;
  display: flex; flex-direction: column;
}
.preview-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--card-border);
  font-size: 13px;
  color: var(--ink-dim);
}
.preview-header span:first-child {
  color: var(--ink); font-weight: 600; letter-spacing: 0.3px;
  text-transform: uppercase; font-size: 11px;
}
.preview-stats { color: var(--ink-muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.preview-body {
  flex: 1;
  min-height: 220px;
  display: grid; place-items: center;
  padding: 14px;
  background:
    repeating-conic-gradient(rgba(255,255,255,0.025) 0% 25%, transparent 0% 50%) 50% / 20px 20px;
}
.preview-body img {
  max-width: 100%; max-height: 320px; object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 10px 30px -12px rgba(0,0,0,0.6);
}
.preview-placeholder {
  color: var(--ink-muted); font-size: 13px; text-align: center;
}

.ws-footer {
  display: flex; justify-content: flex-end; gap: 12px; flex-wrap: wrap;
}

@media (max-width: 820px) {
  .ws-grid, .preview { grid-template-columns: 1fr; }
  .dim-row { grid-template-columns: 1fr 1fr; }
  .lock { grid-column: span 2; width: 100%; height: 42px; }
  .unit-field { grid-column: span 2; }
}

.filelist {
  margin-top: 20px;
  display: flex; flex-direction: column; gap: 10px;
}
.file-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 14px; align-items: center;
  padding: 12px 16px;
  background: rgba(8, 12, 24, 0.55);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  font-size: 14px;
}
.file-row .name { color: var(--ink); font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-row .meta { color: var(--ink-muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.file-row .status { font-size: 12px; color: var(--ink-dim); font-variant-numeric: tabular-nums; }
.file-row.done .status { color: var(--ok); }
.file-row.err .status { color: var(--danger); }

.spinner {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid rgba(120,170,255,0.25);
  border-top-color: var(--accent);
  animation: spin .8s linear infinite;
  display: inline-block;
  vertical-align: middle;
  margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.tag-row {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 24px;
  justify-content: center;
}
.tag {
  font-size: 11px; padding: 5px 10px; border-radius: 999px;
  border: 1px solid var(--card-border);
  color: var(--ink-dim);
  background: rgba(8, 12, 24, 0.6);
  letter-spacing: 0.5px;
}

/* --------------------------- Footer --------------------------- */
.site-footer {
  margin-top: 90px;
  padding: 60px 0 30px;
  border-top: 1px solid var(--card-border);
  background: rgba(6, 9, 18, 0.65);
  position: relative; z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 30px;
}
.site-footer h4 {
  color: var(--ink);
  font-size: 14px; margin: 0 0 12px; letter-spacing: 0.4px;
}
.site-footer p { margin: 6px 0; font-size: 13px; color: var(--ink-dim); line-height: 1.55; }
.site-footer a { color: var(--ink-dim); }
.site-footer a:hover { color: var(--accent); }
.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(120,170,255,0.08);
  color: var(--ink-muted);
  font-size: 12px;
}

@media (max-width: 860px) {
  .nav-links { gap: 12px; }
  .nav-links a:not(.cta) { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .controls { grid-template-columns: 1fr; }
}