/* Vaigox Smart PDF Scanner — "Ink & Paper" web theme (same tokens as the Android app). */
:root {
  --bg: #FBF8F2; --surface: #FFFFFF; --raised: #F4EFE6; --text: #1C1B19; --text2: #59554D;
  --outline: #CFC7B8; --primary: #1F2A5C; --on-primary: #FBF8F2; --highlight: #F2B544; --on-highlight: #1C1B19;
  --saffron: #A3500A; --teal: #0D6559; --indigo: #34449A; --coral: #B3261E; --violet: #6A3E9E; --ochre: #805300;
  --success: #1E7A4C; --shadow: 0 10px 30px rgba(31, 42, 92, .10);
  --serif: Georgia, "Noto Serif", "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Tamil", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #12141C; --surface: #1B1E28; --raised: #252937; --text: #ECE9E2; --text2: #B5B0A6;
  --outline: #474D60; --primary: #AEB9F2; --on-primary: #12141C; --saffron: #F2B544; --teal: #7FD6CB;
  --indigo: #B8C0F5; --coral: #FF8A80; --violet: #CDB3F2; --ochre: #E3B56A; --success: #6FD39C;
  --shadow: 0 10px 30px rgba(0, 0, 0, .45); color-scheme: dark; } }
:root[data-theme="dark"] {
  --bg: #12141C; --surface: #1B1E28; --raised: #252937; --text: #ECE9E2; --text2: #B5B0A6;
  --outline: #474D60; --primary: #AEB9F2; --on-primary: #12141C; --saffron: #F2B544; --teal: #7FD6CB;
  --indigo: #B8C0F5; --coral: #FF8A80; --violet: #CDB3F2; --ochre: #E3B56A; --success: #6FD39C;
  --shadow: 0 10px 30px rgba(0, 0, 0, .45); color-scheme: dark; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 var(--sans);
  /* kolam dot grid fading from the top-right corner */
  background-image: radial-gradient(circle at 1px 1px, var(--outline) 1.3px, transparent 0);
  background-size: 18px 18px; background-attachment: fixed; }
body::before { content: ""; position: fixed; inset: 0; z-index: -1;
  background: radial-gradient(circle at 100% 0, transparent 0, var(--bg) 46%); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.2; margin: 0; text-wrap: balance; }
p { margin: 0; }
a { color: var(--primary); }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--highlight); outline-offset: 2px; border-radius: 6px; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 12px; top: 12px; background: var(--surface); padding: 8px 12px; z-index: 9; }

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; max-width: 1120px; margin: 0 auto; padding: 14px 20px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--text); }
.brand .mark { width: 42px; height: 42px; flex: none; }
.brand strong { display: block; letter-spacing: .12em; font-size: 15px; }
.brand small { display: block; color: var(--text2); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.ghost { background: none; border: 1px solid var(--outline); border-radius: 10px; padding: 8px 14px; cursor: pointer; min-height: 44px; }
.ghost:hover { background: var(--raised); }

main { max-width: 1120px; margin: 0 auto; padding: 8px 20px 56px; outline: none; }
.hero { padding: 28px 0 22px; max-width: 760px; }
.hero h1 { font-size: clamp(30px, 5vw, 46px); }
.hl { background: linear-gradient(transparent 58%, color-mix(in srgb, var(--highlight) 60%, transparent) 58% 94%, transparent 94%); padding: 0 .12em; }
.hero p { color: var(--text2); font-size: 18px; margin-top: 12px; max-width: 62ch; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; padding: 0; list-style: none; }
.badges li { border: 1px solid var(--outline); background: var(--surface); border-radius: 999px; padding: 5px 12px; font-size: 13px; color: var(--text2); }
.badges li::before { content: "✓ "; color: var(--success); font-weight: 700; }

.search { width: 100%; max-width: 520px; margin: 6px 0 16px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--outline); background: var(--surface); min-height: 48px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.chip { border: 1px solid var(--outline); background: var(--surface); border-radius: 999px; padding: 7px 14px; cursor: pointer; font-size: 14px; min-height: 40px; display: inline-flex; align-items: center; gap: 7px; }
.chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--c, var(--primary)); }
.chip[aria-pressed="true"] { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.card { position: relative; display: block; text-decoration: none; color: var(--text); background: var(--surface); border: 1px solid var(--outline); border-radius: 16px; padding: 18px 16px 16px; transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.card::before { content: ""; position: absolute; top: 0; left: 18px; width: 28px; height: 4px; border-radius: 0 0 3px 3px; background: var(--c); }
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--c); }
.card:active { transform: scale(.98); }
.card .icon { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; background: color-mix(in srgb, var(--c) 14%, transparent); color: var(--c); margin-bottom: 12px; }
.card .icon svg, .tool-head .icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-family: var(--sans); font-size: 16px; font-weight: 600; }
.card p { color: var(--text2); font-size: 13.5px; margin-top: 5px; }
.card.hero-card { background: linear-gradient(135deg, #1F2A5C, #34449A); color: #FBF8F2; border-color: transparent; grid-column: span 2; }
.card.hero-card p { color: rgba(251, 248, 242, .88); }
.card.hero-card .icon { background: rgba(251, 248, 242, .16); color: #FBF8F2; }
.card.hero-card::before { background: var(--highlight); }
.tag { display: inline-block; background: var(--highlight); color: var(--on-highlight); border-radius: 6px; padding: 1px 7px; font-size: 11px; font-weight: 700; margin-left: 6px; vertical-align: middle; }
@media (max-width: 560px) { .card.hero-card { grid-column: auto; } }
.empty { color: var(--text2); padding: 24px 0; }

/* Tool page */
.back { display: inline-flex; align-items: center; gap: 6px; text-decoration: none; margin: 10px 0 14px; min-height: 44px; }
.tool-head { display: flex; gap: 14px; align-items: center; margin-bottom: 6px; }
.tool-head .icon { width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center; background: color-mix(in srgb, var(--c) 14%, transparent); color: var(--c); flex: none; }
.tool-head h1 { font-size: clamp(24px, 4vw, 34px); }
.tool-head small { color: var(--c); letter-spacing: .1em; text-transform: uppercase; font-size: 11.5px; font-weight: 600; }
.lead { color: var(--text2); max-width: 70ch; margin-bottom: 18px; }
.panel { background: var(--surface); border: 1px solid var(--outline); border-radius: 16px; padding: 18px; margin-bottom: 16px; }
.drop { display: grid; place-items: center; text-align: center; gap: 8px; padding: 34px 16px; border: 2px dashed color-mix(in srgb, var(--c) 60%, transparent); border-radius: 20px; background: linear-gradient(color-mix(in srgb, var(--c) 9%, transparent), var(--surface)); cursor: pointer; margin-bottom: 16px; transition: background .15s; }
.drop.over { background: color-mix(in srgb, var(--highlight) 30%, var(--surface)); }
.drop strong { font-size: 18px; } .drop span { color: var(--text2); font-size: 14px; }
.drop .btn { color: var(--on-primary); font-size: 15px; margin-top: 4px; }
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--c, var(--primary)); color: var(--on-primary); border: 0; border-radius: 12px; padding: 12px 20px; font-weight: 600; cursor: pointer; min-height: 48px; text-decoration: none; }
.btn:hover { filter: brightness(1.08); } .btn:disabled { background: var(--outline); color: var(--text2); cursor: not-allowed; filter: none; }
.btn.big { width: 100%; font-size: 17px; padding: 15px; border-radius: 14px; }
.btn.secondary { background: none; color: var(--text); border: 1px solid var(--outline); }
.files { list-style: none; margin: 0 0 4px; padding: 0; display: grid; gap: 8px; }
.files li { display: flex; align-items: center; gap: 10px; background: var(--raised); border-radius: 10px; padding: 8px 10px; }
.files .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.files .meta { color: var(--text2); font-size: 13px; white-space: nowrap; }
.icon-btn { border: 1px solid var(--outline); background: var(--surface); border-radius: 8px; min-width: 36px; min-height: 36px; cursor: pointer; }
.icon-btn:hover { background: var(--raised); } .icon-btn.danger { color: var(--coral); }
.options { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.field label, .field legend { display: block; font-weight: 600; font-size: 14px; margin-bottom: 5px; }
.field input[type="text"], .field input[type="password"], .field input[type="number"], .field select { width: 100%; padding: 10px 12px; border: 1px solid var(--outline); border-radius: 10px; background: var(--bg); min-height: 44px; }
.field small { color: var(--text2); display: block; margin-top: 4px; font-size: 13px; }
.check { display: flex; gap: 9px; align-items: flex-start; font-size: 14.5px; cursor: pointer; }
.check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--primary); flex: none; }
.wide { grid-column: 1 / -1; }
.note { border-left: 4px solid var(--highlight); background: var(--raised); padding: 10px 12px; border-radius: 0 10px 10px 0; font-size: 14px; color: var(--text2); margin-bottom: 16px; }
.error { border-left: 4px solid var(--coral); background: color-mix(in srgb, var(--coral) 10%, var(--surface)); padding: 12px 14px; border-radius: 0 10px 10px 0; margin: 14px 0; }
.error strong { color: var(--coral); }
.progress { margin: 14px 0; } .progress p { color: var(--text2); font-size: 14px; margin-bottom: 6px; }
.bar { height: 10px; border-radius: 6px; background: var(--raised); overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--c, var(--primary)), var(--highlight)); transition: width .2s; }
.result { border: 1px solid color-mix(in srgb, var(--success) 50%, var(--outline)); }
.result h2 { font-size: 22px; display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.stamp { width: 34px; height: 34px; border-radius: 50%; border: 3px solid var(--success); color: var(--success); display: grid; place-items: center; font-weight: 800; background: radial-gradient(circle at 65% 60%, color-mix(in srgb, var(--highlight) 55%, transparent) 0 60%, transparent 61%); animation: pop .45s ease; }
@keyframes pop { from { transform: scale(.4); opacity: 0; } }
.result .sub { color: var(--text2); margin-bottom: 12px; }
.downloads { display: flex; flex-wrap: wrap; gap: 10px; }
.thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); gap: 12px; }
.thumb { background: var(--raised); border: 1px solid var(--outline); border-radius: 12px; padding: 8px; text-align: center; }
.thumb.removed { opacity: .38; } .thumb.removed canvas { filter: grayscale(1); }
.thumb canvas { max-width: 100%; height: auto; background: #fff; border: 1px solid var(--outline); transition: transform .15s; }
.thumb .row { display: flex; gap: 4px; justify-content: center; margin-top: 6px; }
.thumb small { color: var(--text2); }

/* Digital Scanner preview (also what gets printed) */
.scan-preview { background: #fff; color: #1C1B19; border: 1px solid var(--outline); border-radius: 12px; padding: 28px clamp(16px, 5vw, 44px); font-family: var(--sans); }
.scan-preview h2.doc-title { font-family: var(--sans); color: #1F3658; font-size: 26px; text-align: center; }
.scan-preview .doc-sub { text-align: center; color: #64748B; font-style: italic; margin: 4px 0 18px; }
.scan-preview section { background: #EEF4FB; border: 1px solid #C7D7EA; border-radius: 6px; padding: 12px 16px; margin: 12px 0; }
.scan-preview section:nth-of-type(even) { background: #F2F5F8; }
.scan-preview h3 { font-family: var(--sans); color: #1F5B91; font-size: 17px; margin: 8px 0; }
.scan-preview p, .scan-preview li { color: #2D3748; font-size: 16px; margin: 6px 0; }
.scan-preview table { border-collapse: collapse; width: 100%; margin: 10px 0; }
.scan-preview td, .scan-preview th { border: 1px solid #C7D7EA; padding: 6px 9px; text-align: left; color: #2D3748; }
.scan-preview th { background: #EEF4FB; }
.scan-preview svg { max-width: 100%; height: auto; }
.scan-preview footer { text-align: center; color: #94A3B8; font-size: 12px; margin-top: 18px; }

.footer { max-width: 1120px; margin: 0 auto; padding: 22px 20px 40px; color: var(--text2); font-size: 14px; border-top: 1px solid var(--outline); display: grid; gap: 8px; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }
@media print {
  body { background: #fff; } body::before, .topbar, .footer, main > :not(.print-area) { display: none !important; }
  .print-area > :not(.scan-preview) { display: none !important; }
  .scan-preview { border: 0; padding: 0; } main { padding: 0; max-width: none; }
}