:root {
  --ink: #17223b;
  --muted: #63708a;
  --surface: #ffffff;
  --canvas: #f4f7fb;
  --line: #dfe5ee;
  --accent: #2d6fdf;
  --accent-dark: #1f56b5;
  --mint: #dcf7ea;
  --mint-ink: #176f4a;
  --warm: #fff4d8;
  --warm-ink: #8d5e00;
  --shadow: 0 18px 48px rgba(28, 47, 82, 0.1);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.5;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--canvas); scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: radial-gradient(circle at 90% 0%, #e4edff 0, transparent 31rem), var(--canvas); }
button, select, input { font: inherit; }
button, select, input[type="range"] { touch-action: manipulation; }
button { cursor: pointer; }
button:focus-visible, select:focus-visible, input:focus-visible, a:focus-visible, [tabindex]:focus-visible { outline: 3px solid #8bb5ff; outline-offset: 3px; }
[hidden] { display: none !important; }

.skip-link { position: absolute; left: 1rem; top: -5rem; padding: .7rem 1rem; background: var(--ink); color: #fff; z-index: 10; border-radius: .5rem; }
.skip-link:focus { top: 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header { max-width: 1120px; min-height: 74px; margin: 0 auto; padding: max(1rem, env(safe-area-inset-top)) clamp(1rem, 4vw, 2rem) 1rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .55rem; text-decoration: none; color: var(--ink); font-size: 1.05rem; font-weight: 800; letter-spacing: -.02em; }
.brand-mark { width: 2rem; height: 2rem; display: grid; place-items: center; border-radius: .65rem; background: var(--ink); color: #fff; font-size: 1.4rem; line-height: 1; }
.header-actions { display: flex; align-items: center; justify-content: flex-end; gap: .55rem; min-width: 0; }
.language-select select { min-height: 44px; max-width: 142px; padding: .45rem 2rem .45rem .75rem; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: .65rem; }
.install-button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: .35rem; padding: .45rem .7rem; color: var(--accent-dark); background: #edf4ff; border: 1px solid #cfe0ff; border-radius: .65rem; font-size: .82rem; font-weight: 750; white-space: nowrap; }
.install-button:hover { background: #dceaff; }

main { width: min(100% - 2rem, 800px); margin: 0 auto; padding: 1rem 0 max(3rem, env(safe-area-inset-bottom)); }
.hero { padding: clamp(2rem, 7vw, 4.5rem) 0 2.25rem; }
.eyebrow, .step-label { margin: 0 0 .65rem; color: var(--accent); font-size: .75rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.hero h1 { max-width: 700px; margin: 0; font-size: clamp(2.15rem, 8vw, 4.75rem); line-height: .99; letter-spacing: -.06em; }
.hero-copy { max-width: 600px; margin: 1.25rem 0; color: var(--muted); font-size: clamp(1rem, 2.7vw, 1.2rem); }
.privacy-pill { display: inline-flex; padding: .48rem .8rem; background: var(--mint); border-radius: 100px; color: var(--mint-ink); font-size: .82rem; font-weight: 700; }

.progress { margin: 0 0 1.25rem; display: flex; align-items: center; color: #98a2b5; font-size: .78rem; font-weight: 700; }
.progress-item { display: inline-flex; align-items: center; gap: .4rem; white-space: nowrap; }
.progress-item b { display: grid; width: 1.55rem; height: 1.55rem; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-size: .72rem; }
.progress-item.is-active { color: var(--accent); }
.progress-line { height: 1px; flex: 1; min-width: 8px; margin: 0 .2rem; background: var(--line); }

.card { margin: 1rem 0; padding: clamp(1.1rem, 4vw, 2rem); background: var(--surface); border: 1px solid rgba(208, 217, 231, .8); border-radius: 1.25rem; box-shadow: var(--shadow); }
.card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.editor-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .25rem .6rem; }
.card h2 { margin: 0; font-size: clamp(1.25rem, 3.4vw, 1.65rem); letter-spacing: -.035em; }
.card h3 { margin: 0; font-size: 1rem; }
.card-copy { margin: 1rem 0 1.25rem; color: var(--muted); }
.draft-badge { padding: .35rem .55rem; border-radius: .45rem; color: var(--warm-ink); background: var(--warm); font-size: .72rem; font-weight: 750; white-space: nowrap; }

.location-button, .primary-button, .secondary-button, .danger-button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .72rem 1rem; border-radius: .75rem; font-weight: 750; border: 1px solid transparent; transition: transform .16s ease, background .16s ease; }
.location-button:hover, .primary-button:hover, .secondary-button:hover, .danger-button:hover { transform: translateY(-1px); }
.location-button { width: 100%; color: var(--accent-dark); background: #edf4ff; border-color: #cfe0ff; }
.location-button span:first-child { font-size: 1.25rem; }
.location-note, .field-help, .privacy-note, .print-note { margin: .65rem 0 1.15rem; color: var(--muted); font-size: .83rem; }
.location-recommendation { margin: -.35rem 0 1.15rem; padding: .9rem; border: 1px solid #cfe0ff; border-radius: .9rem; background: #f3f8ff; }
.location-recommendation p { margin: 0; color: var(--ink); font-size: .9rem; font-weight: 700; }
.location-recommendation-actions { display: grid; grid-template-columns: 1fr; gap: .6rem; margin-top: .8rem; }
.field-label { display: block; margin-bottom: .45rem; font-size: .88rem; font-weight: 750; }
.field-select { width: 100%; min-height: 52px; padding: .6rem .75rem; color: var(--ink); background: #fff; border: 1px solid #cbd5e2; border-radius: .75rem; }
.rule-summary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .65rem; margin-top: 1.25rem; padding: 1rem; background: #f6f9fd; border-radius: .9rem; }
.rule-item { min-width: 0; }
.rule-item dt { color: var(--muted); font-size: .72rem; }
.rule-item dd { margin: .12rem 0 0; font-size: .92rem; font-weight: 750; overflow-wrap: anywhere; }

.drop-zone { min-height: 180px; padding: 1.5rem; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .45rem; text-align: center; color: var(--accent-dark); background: #f5f9ff; border: 1.5px dashed #9dbdf0; border-radius: 1rem; cursor: pointer; }
.drop-zone:hover, .drop-zone.is-dragging { background: #eaf3ff; border-color: var(--accent); }
.drop-zone input { position: absolute; width: 1px; height: 1px; overflow: hidden; opacity: 0; }
.upload-icon { width: 2.4rem; height: 2.4rem; display: grid; place-items: center; border-radius: .75rem; color: #fff; background: var(--accent); font-size: 1.45rem; }
.drop-zone small { color: var(--muted); }
.privacy-note { display: flex; align-items: flex-start; gap: .35rem; margin-bottom: 0; }

.quality-panel { margin-top: 1.2rem; padding: 1rem; border: 1px solid #dae3ef; border-radius: .9rem; }
.quality-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.quality-heading span { color: var(--muted); font-size: .75rem; }
.quality-results { display: grid; gap: .55rem; margin-top: .85rem; }
.quality-result { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-bottom: .55rem; border-bottom: 1px solid #edf0f4; font-size: .86rem; }
.quality-result:last-child { padding-bottom: 0; border-bottom: 0; }
.quality-result span:first-child { color: var(--muted); }
.status-good { color: var(--mint-ink); font-weight: 750; }
.status-note { color: var(--warm-ink); font-weight: 750; }

.text-button { min-height: 44px; padding: .25rem .1rem; color: var(--accent-dark); border: 0; background: transparent; font-weight: 750; }
.text-button:disabled { color: #9aa5b8; cursor: not-allowed; }
.crop-shell { display: grid; place-items: center; margin: 1.25rem 0; padding: clamp(.6rem, 3vw, 1rem); overflow: hidden; background: #192239; border-radius: 1rem; }
.crop-viewport { position: relative; width: min(100%, 410px); overflow: hidden; background: repeating-conic-gradient(#2c3852 0 25%, #253048 0 50%) 50% / 20px 20px; user-select: none; touch-action: none; cursor: grab; }
.crop-viewport:active { cursor: grabbing; }
.crop-viewport img { position: absolute; top: 0; left: 0; max-width: none; pointer-events: none; user-select: none; }
.crop-guides { position: absolute; inset: 0; pointer-events: none; border: 1.5px solid rgba(255,255,255,.88); box-shadow: inset 0 0 0 1px rgba(0,0,0,.25); }
.guide { position: absolute; background: rgba(255,255,255,.5); }
.guide-top { top: 33%; left: 0; right: 0; height: 1px; }
.guide-center { top: 50%; left: 0; right: 0; height: 1px; background: rgba(255,255,255,.86); }
.guide-bottom { top: 67%; left: 0; right: 0; height: 1px; }
.guide-vertical { top: 0; bottom: 0; left: 50%; width: 1px; }
.drag-tip { position: absolute; left: 50%; bottom: .6rem; transform: translateX(-50%); padding: .25rem .55rem; color: #fff; background: rgba(23,34,59,.62); border-radius: 100px; font-size: .72rem; white-space: nowrap; }
.zoom-control { display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: .85rem; font-size: .9rem; font-weight: 700; }
.zoom-control input { width: 100%; accent-color: var(--accent); }
.zoom-control output { width: 3.4rem; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }

.export-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; align-items: start; }
.preview-wrap { display: grid; gap: .5rem; place-items: center; padding: 1rem; background: #f3f7fc; border-radius: .9rem; }
.preview-wrap img { max-width: 100%; max-height: 340px; display: block; background: #fff; box-shadow: 0 10px 20px rgba(40, 57, 88, .15); }
.preview-wrap span { color: var(--muted); font-size: .78rem; }
.export-specs { display: grid; grid-template-columns: repeat(2, 1fr); gap: .6rem; margin: 0; }
.export-specs > div { padding: .75rem; background: #f8fafc; border: 1px solid #e6ebf2; border-radius: .75rem; }
.export-specs dt { color: var(--muted); font-size: .72rem; }
.export-specs dd { margin: .2rem 0 0; font-weight: 750; font-size: .88rem; overflow-wrap: anywhere; }
.download-actions { display: grid; grid-template-columns: 1fr; gap: .65rem; margin-top: 1.25rem; }
.primary-button { color: #fff; background: var(--accent); border-color: var(--accent); }
.primary-button:hover { background: var(--accent-dark); }
.secondary-button { color: var(--accent-dark); background: #fff; border-color: #b8cce9; }
.clear-photo { margin-top: 1.1rem; padding-top: 1rem; border-top: 1px solid #e6ebf2; }
.danger-button { color: #9a2d28; background: #fff5f4; border-color: #efc2bf; }
.danger-button:hover { background: #ffe9e7; }
.clear-note { margin: .55rem 0 0; color: var(--muted); font-size: .78rem; line-height: 1.45; }

.safety-note { margin: 1.25rem 0; padding: 1rem 1.1rem; color: #6c5100; background: #fff7e5; border: 1px solid #ffe2a2; border-radius: .9rem; font-size: .82rem; }
.safety-note p { margin: .35rem 0 0; }
.signature-tool-link { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid #ffe2a2; }
.signature-tool-link a { display: inline-flex; align-items: center; min-height: 44px; margin-top: .7rem; padding: .45rem .7rem; color: #765300; background: #fff; border: 1px solid #e5bb63; border-radius: .6rem; font-weight: 750; text-decoration: none; }
.signature-tool-link a:hover { background: #fffaf0; }

.location-dialog { width: min(calc(100% - 2rem), 480px); padding: 0; border: 0; border-radius: 1.2rem; color: var(--ink); box-shadow: 0 26px 85px rgba(18,31,55,.34); }
.location-dialog::backdrop { background: rgba(14,22,40,.56); backdrop-filter: blur(3px); }
.location-dialog form { position: relative; padding: 1.7rem; }
.location-dialog h2 { margin: 0 0 .7rem; font-size: 1.35rem; letter-spacing: -.03em; }
.location-dialog p:not(.dialog-icon) { margin: 0; color: var(--muted); }
.dialog-icon { width: 2.8rem; height: 2.8rem; display: grid; place-items: center; margin: 0 0 1rem; color: var(--accent-dark); background: #edf4ff; border-radius: .9rem; font-size: 1.5rem; }
.dialog-close { position: absolute; top: .45rem; right: .45rem; width: 2.75rem; height: 2.75rem; color: var(--muted); background: transparent; border: 0; border-radius: 50%; font-size: 1.5rem; line-height: 1; }
.dialog-close:hover { color: var(--ink); background: #eef2f8; }
.dialog-actions { display: grid; grid-template-columns: 1fr 1fr; gap: .65rem; margin-top: 1.4rem; }
.toast { position: fixed; left: 50%; bottom: max(1rem, env(safe-area-inset-bottom)); z-index: 20; width: min(calc(100% - 2rem), 530px); padding: .8rem 1rem; color: #fff; background: #192239; border-radius: .75rem; box-shadow: 0 10px 30px rgba(11,23,47,.28); text-align: center; font-size: .88rem; transform: translate(-50%, 150%); opacity: 0; transition: transform .22s ease, opacity .22s ease; pointer-events: none; }
.toast.is-visible { transform: translate(-50%, 0); opacity: 1; }
.pwa-update { position: fixed; inset-inline: 1rem; bottom: max(1rem, env(safe-area-inset-bottom)); z-index: 21; display: flex; align-items: center; justify-content: space-between; gap: .75rem; width: min(calc(100% - 2rem), 530px); margin-inline: auto; padding: .75rem .8rem; color: #fff; background: #192239; border-radius: .75rem; box-shadow: 0 10px 30px rgba(11,23,47,.28); font-size: .86rem; }
.pwa-update button { flex: 0 0 auto; min-height: 44px; margin: 0; padding: .4rem .65rem; color: #14243f; background: #fff; border-color: #fff; font-size: .82rem; }

@media (min-width: 600px) {
  main { width: min(100% - 4rem, 920px); }
  .export-layout { grid-template-columns: minmax(240px, .9fr) minmax(0, 1fr); }
  .download-actions { grid-template-columns: 1fr 1fr; }
  .location-recommendation-actions { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .site-header { align-items: flex-start; gap: .65rem; }
  .header-actions { display: grid; gap: .35rem; width: min(130px, 46vw); }
  .language-select, .language-select select, .install-button { width: 100%; max-width: none; }
  .language-select select, .install-button { min-height: 44px; padding-inline: .55rem; font-size: .76rem; }
  .pwa-update { align-items: flex-start; }
}

@media (min-width: 900px) {
  main { width: min(100% - 4rem, 1040px); }
  .selection-card, .upload-card { width: min(100%, 720px); }
  .editor-card { display: grid; grid-template-columns: minmax(0, 1fr) minmax(290px, .86fr); column-gap: 2rem; align-items: start; }
  .editor-card > .card-heading, .editor-card > .card-copy { grid-column: 1 / -1; }
  .editor-card > .crop-shell { margin: 0; }
  .editor-card > .zoom-control { align-self: center; }
}

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; } }