/* JustImg - Warm utility tools (image-focused)
 * Amber primary on warm-grey neutrals. Inter dominant.
 */

:root {
  --bg: #FAFAF9;
  --surface: #FFFFFF;
  --surface-2: #F5F5F4;
  --ink: #1C1917;
  --ink-2: #292524;
  --ink-soft: #57534E;
  --ink-mute: #78716C;
  --rule: #E7E5E4;
  --rule-strong: #D6D3D1;
  --accent: #F59E0B;
  --accent-soft: #FEF3C7;
  --accent-ink: #78350F;
  --hot: #DC2626;
  --ok: #16A34A;
  --ok-soft: #DCFCE7;
  --err: #B91C1C;
  --err-soft: #FEE2E2;

  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(28, 25, 23, 0.05);
  --shadow: 0 1px 3px rgba(28, 25, 23, 0.08), 0 1px 2px rgba(28, 25, 23, 0.05);
  --shadow-md: 0 6px 16px rgba(28, 25, 23, 0.08), 0 2px 6px rgba(28, 25, 23, 0.05);
  --shadow-lg: 0 20px 40px rgba(28, 25, 23, 0.10), 0 4px 12px rgba(28, 25, 23, 0.06);

  --maxw: 1120px;
}

[data-theme="dark"] {
  --bg: #0C0A09;
  --surface: #1C1917;
  --surface-2: #292524;
  --ink: #FAFAF9;
  --ink-2: #E7E5E4;
  --ink-soft: #A8A29E;
  --ink-mute: #78716C;
  --rule: #292524;
  --rule-strong: #44403C;
  --accent: #FBBF24;
  --accent-soft: #78350F;
  --accent-ink: #FEF3C7;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
html, body { background: var(--bg); color: var(--ink); font-family: var(--font-sans); font-size: 15px; line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { min-height: 100vh; }
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--accent); }
::selection { background: var(--accent-soft); color: var(--accent-ink); }

.skip { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.skip:focus { position: fixed; top: 12px; left: 12px; width: auto; height: auto; clip: auto; background: var(--ink); color: var(--bg); padding: 8px 14px; border-radius: var(--radius-sm); z-index: 100; }

.nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: saturate(180%) blur(8px); -webkit-backdrop-filter: saturate(180%) blur(8px); border-bottom: 1px solid var(--rule); }
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; letter-spacing: -0.02em; color: var(--ink); }
.brand-mark-svg { flex-shrink: 0; }
.nav-spacer { flex: 1; }
.nav-links { display: flex; gap: 4px; }
.nav-links a { padding: 6px 12px; font-size: 14px; font-weight: 500; color: var(--ink-soft); border-radius: var(--radius-sm); }
.nav-links a:hover { color: var(--ink); background: var(--surface-2); }
.nav-search-trigger { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); color: var(--ink-soft); cursor: pointer; font: inherit; min-width: 220px; }
.nav-search-trigger:hover { border-color: var(--rule-strong); color: var(--ink); }
.nav-search-trigger kbd { font-size: 11px; padding: 1px 6px; background: var(--surface-2); border: 1px solid var(--rule); border-radius: 4px; font-family: inherit; margin-left: auto; }
button[data-theme-toggle] { background: transparent; border: 1px solid var(--rule); color: var(--ink-soft); padding: 0; width: 36px; height: 36px; border-radius: var(--radius-sm); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }

main { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.hero { padding: 56px 0 32px; }
.hero h1 { font-size: clamp(36px, 5.5vw, 56px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.05; max-width: 760px; }
.hero h1 .accent { color: var(--accent); }
.hero .lede { color: var(--ink-soft); font-size: 18px; max-width: 60ch; margin-top: 16px; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 22px; }
.hero-pill { font-size: 12px; font-weight: 500; padding: 5px 11px; background: var(--surface); border: 1px solid var(--rule); border-radius: 999px; color: var(--ink-soft); }
.hero-pill.on { background: var(--accent-soft); color: var(--accent-ink); border-color: transparent; }

.tools { padding: 24px 0 64px; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.tool { display: block; padding: 18px; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); transition: border-color 120ms ease, transform 120ms ease, box-shadow 120ms ease; }
.tool:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.tool-cat { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--accent); }
.tool h3 { font-size: 16px; font-weight: 600; margin-top: 8px; color: var(--ink); }
.tool p { font-size: 13px; color: var(--ink-soft); margin-top: 4px; line-height: 1.5; }
.cat-head { padding: 24px 0 8px; display: flex; align-items: baseline; justify-content: space-between; }
.cat-head h2 { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
.cat-head span { font-size: 13px; color: var(--ink-mute); }

.crumb { padding: 14px 0 0; font-size: 13px; color: var(--ink-mute); }
.crumb a { color: var(--ink-soft); }
.crumb a:hover { color: var(--accent); }
.crumb .sep { margin: 0 6px; color: var(--ink-mute); }
.calc-head { padding: 8px 0 16px; }
.calc-head h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 700; letter-spacing: -0.02em; }
.calc-head .lede { color: var(--ink-soft); font-size: 16px; max-width: 60ch; margin-top: 6px; }
.calc-head .byline { font-size: 13px; color: var(--ink-mute); margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
.calc-head .byline strong { color: var(--ink-soft); font-weight: 500; }

.dropzone { display: grid; place-items: center; padding: 56px 24px; border: 2px dashed var(--rule-strong); border-radius: var(--radius-lg); background: var(--surface); text-align: center; cursor: pointer; transition: border-color 120ms ease, background 120ms ease; position: relative; }
.dropzone:hover, .dropzone.over { border-color: var(--accent); background: var(--accent-soft); }
.dropzone-icon { width: 56px; height: 56px; border-radius: 50%; background: var(--accent-soft); display: grid; place-items: center; margin-bottom: 14px; }
.dropzone h2 { font-size: 19px; font-weight: 600; }
.dropzone p { color: var(--ink-soft); font-size: 14px; margin-top: 4px; }
.dropzone .pick { display: inline-block; margin-top: 14px; padding: 10px 18px; background: var(--accent); color: white; border-radius: var(--radius-sm); font-weight: 600; }
.dropzone input[type=file] { position: absolute; left: -9999px; opacity: 0; }

.result { margin-top: 28px; }
.result-card { padding: 18px; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); display: grid; grid-template-columns: 96px 1fr auto; gap: 16px; align-items: center; }
.result-thumb { width: 96px; height: 96px; border-radius: var(--radius-sm); background: var(--surface-2); object-fit: cover; }
.result-meta strong { font-size: 16px; word-break: break-all; }
.result-meta .row { display: flex; gap: 12px; font-size: 13px; color: var(--ink-soft); margin-top: 4px; flex-wrap: wrap; }
.result-meta .row .savings { color: var(--ok); font-weight: 600; }
.result-actions { display: flex; flex-direction: column; gap: 6px; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; background: var(--accent); color: white; border: 0; border-radius: var(--radius-sm); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn:hover { background: color-mix(in srgb, var(--accent) 88%, black); }
.btn.secondary { background: transparent; color: var(--ink); border: 1px solid var(--rule); }
.btn.secondary:hover { background: var(--surface-2); border-color: var(--rule-strong); }

.controls { margin-top: 14px; padding: 14px; background: var(--surface-2); border-radius: var(--radius); display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.field label { display: block; font-size: 12px; color: var(--ink-soft); font-weight: 500; margin-bottom: 4px; }
.field input[type=number], .field input[type=text], .field select { width: 100%; padding: 8px 10px; border: 1px solid var(--rule); border-radius: var(--radius-sm); background: var(--surface); font: inherit; color: var(--ink); }
.field input[type=range] { width: 100%; }
input:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }

.calc { padding: 8px 0 24px; max-width: 720px; }
.section { margin-top: 40px; max-width: 720px; }
.section h2 { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 12px; }
.section p { color: var(--ink-soft); margin-bottom: 12px; }
.section ul { color: var(--ink-soft); padding-left: 20px; }
.section li { margin: 6px 0; }
.faq details { padding: 14px 0; border-top: 1px solid var(--rule); }
.faq summary { font-weight: 600; cursor: pointer; }
.faq summary::marker { color: var(--accent); }
.faq p { margin-top: 8px; color: var(--ink-soft); }

.related-rail { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--rule); }
.related-rail h2 { font-size: 18px; font-weight: 600; margin-bottom: 12px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; }

footer { margin-top: 80px; padding: 40px 0; border-top: 1px solid var(--rule); }
.foot-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; }
.foot-inner h4 { font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.foot-inner ul { list-style: none; }
.foot-inner li { font-size: 13px; padding: 2px 0; }
.foot-inner a { color: var(--ink-soft); }
.foot-inner a:hover { color: var(--accent); }
.foot-bot { max-width: var(--maxw); margin: 24px auto 0; padding: 16px 24px 0; border-top: 1px solid var(--rule); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 12px; color: var(--ink-mute); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
button:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent); }
input:focus-visible, select:focus-visible { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }

@media (max-width: 720px) {
  .nav-search-trigger { min-width: 0; }
  .nav-search-trigger kbd { display: none; }
  .nav-links { display: none; }
  .result-card { grid-template-columns: 64px 1fr; }
  .result-thumb { width: 64px; height: 64px; }
  .result-actions { grid-column: 1 / -1; flex-direction: row; }
}