/* ============================================================================
   TypeDeskAI OCR Studio — Stylesheet
   Theme: fresh emerald/teal signature on deep ink, glassmorphism.
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  /* signature gradient */
  --g1: #34d399;
  --g2: #14b8a6;
  --g3: #059669;
  --grad: linear-gradient(135deg, var(--g1) 0%, var(--g2) 45%, var(--g3) 100%);
  --saffron: #f5a623; /* warm accent for premium / AI cues */

  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.55);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  font-family: 'Inter', 'Noto Sans Devanagari', system-ui, sans-serif;
}

/* ---- Dark (default) ---- */
[data-theme='dark'] {
  --bg: #070b13;
  --bg-2: #0b1220;
  --ink: #e8eef6;
  --ink-muted: #93a4bb;
  --line: rgba(255, 255, 255, 0.09);
  --glass: rgba(255, 255, 255, 0.045);
  --glass-strong: rgba(255, 255, 255, 0.07);
  --field: rgba(255, 255, 255, 0.04);
  color-scheme: dark;
}

/* ---- Light ---- */
[data-theme='light'] {
  --bg: #eef3ee;
  --bg-2: #e4ece5;
  --ink: #0f2018;
  --ink-muted: #4c6155;
  --line: rgba(6, 40, 26, 0.1);
  --glass: rgba(255, 255, 255, 0.62);
  --glass-strong: rgba(255, 255, 255, 0.78);
  --field: rgba(255, 255, 255, 0.7);
  color-scheme: light;
}

* { box-sizing: border-box; }

/* Ensure the HTML `hidden` attribute always hides an element, even when a
   class below sets display:grid/flex (otherwise the fullscreen modal, findbar,
   etc. would stay visible). This must come before those class rules. */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; scroll-padding-top: 92px; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: radial-gradient(1200px 700px at 15% -10%, var(--bg-2), var(--bg) 55%);
  line-height: 1.55;
  overflow-x: hidden;
  transition: background 0.5s var(--ease), color 0.3s var(--ease);
}

/* Devanagari gets a face that renders it beautifully */
:lang(hi), [data-lang='hi'] .hero__title, [data-lang='hi'] { }
[data-lang='hi'] body,
[data-lang='hi'] .brand__text,
[data-lang='hi'] .hero__title { font-family: 'Noto Sans Devanagari', 'Inter', sans-serif; }

h1, h2, .brand__text strong { font-family: 'Space Grotesk', 'Noto Sans Devanagari', sans-serif; }

/* ---------- Ambient blobs ---------- */
.ambient { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; }
.blob--1 { width: 42vw; height: 42vw; left: -8vw; top: -12vw; background: radial-gradient(circle, #10b981, transparent 65%); }
.blob--2 { width: 38vw; height: 38vw; right: -10vw; top: 20vh; background: radial-gradient(circle, #0ea5a4, transparent 65%); }
.blob--3 { width: 34vw; height: 34vw; left: 30vw; bottom: -16vw; background: radial-gradient(circle, #34d399, transparent 68%); opacity: 0.35; }

/* ---------- Glass surface ---------- */
.glass {
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--line);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px clamp(16px, 4vw, 40px);
  border-left: 0; border-right: 0; border-top: 0;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand__mark { display: grid; place-items: center; background: #fff; border-radius: 10px; padding: 6px 10px; box-shadow: 0 4px 16px -8px rgba(0,0,0,0.4); }
.brand__logo { height: 24px; width: auto; display: block; }
.brand__text { display: flex; align-items: baseline; gap: 8px; font-size: 1.05rem; letter-spacing: -0.01em; }
.brand__tld { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-weight: 700; font-size: 0.95rem; }
.brand__title { color: var(--ink-muted); font-weight: 500; font-size: 0.92rem; }
.brand__text span { color: var(--ink-muted); font-weight: 500; }

.header-controls { display: flex; align-items: center; gap: 10px; }

/* segmented control */
.seg { display: inline-flex; padding: 3px; gap: 2px; border-radius: 999px; background: var(--field); border: 1px solid var(--line); }
.seg__btn {
  border: 0; background: transparent; color: var(--ink-muted);
  padding: 7px 14px; border-radius: 999px; cursor: pointer;
  font: inherit; font-weight: 600; font-size: 0.86rem; transition: all 0.25s var(--ease);
}
.seg__btn.is-active { color: #04150e; background: var(--grad); box-shadow: 0 6px 16px -6px rgba(20, 184, 166, 0.6); }

.icon-btn {
  display: inline-grid; place-items: center; width: 40px; height: 40px;
  border-radius: 12px; border: 1px solid var(--line); background: var(--field);
  color: var(--ink); cursor: pointer; transition: all 0.2s var(--ease);
}
.icon-btn:hover { border-color: var(--g2); color: var(--g1); transform: translateY(-1px); }
.icon-btn.sm { width: 34px; height: 34px; border-radius: 10px; font-size: 0.95rem; }
.icon-btn svg { stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon-btn svg[viewBox='0 0 24 24'] path[d*='4'] { fill: none; }
/* theme icon swap */
.i-moon { display: none; }
[data-theme='light'] .i-sun { display: none; }
[data-theme='light'] .i-moon { display: block; }

/* ---------- Layout wrap ---------- */
.wrap { position: relative; z-index: 1; max-width: 1180px; margin: 0 auto; padding: clamp(24px, 5vw, 56px) clamp(16px, 4vw, 40px) 80px; }

/* ---------- Hero ---------- */
.hero { text-align: center; margin-bottom: 40px; }
.eyebrow {
  display: inline-block; margin: 0 0 14px; padding: 6px 14px; border-radius: 999px;
  font-size: 0.76rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--g1); background: var(--field); border: 1px solid var(--line);
}
.hero__title {
  margin: 0 auto 14px; max-width: 16ch; font-size: clamp(2.1rem, 5.5vw, 3.6rem);
  line-height: 1.05; letter-spacing: -0.02em; font-weight: 700;
  background: linear-gradient(180deg, var(--ink), color-mix(in srgb, var(--ink) 62%, transparent));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero__title::after { content: ''; }
.hero__sub { margin: 0 auto; max-width: 58ch; color: var(--ink-muted); font-size: clamp(1rem, 2.2vw, 1.12rem); }

/* ---------- Dropzone ---------- */
.dropzone {
  margin: 34px auto 0; max-width: 780px; border-radius: var(--radius);
  border: 1.5px dashed color-mix(in srgb, var(--g2) 55%, var(--line));
  cursor: pointer; transition: all 0.28s var(--ease); box-shadow: var(--shadow);
}
.dropzone:hover, .dropzone:focus-visible { border-color: var(--g1); transform: translateY(-2px); }
.dropzone.is-drag { border-color: var(--g1); background: color-mix(in srgb, var(--g2) 12%, var(--glass)); transform: scale(1.01); }
.dropzone__inner { padding: clamp(30px, 6vw, 56px) 24px; display: grid; place-items: center; gap: 8px; }
.dropzone__icon { width: 84px; height: 84px; display: grid; place-items: center; border-radius: 24px; background: var(--field); color: var(--g1); margin-bottom: 6px; }
.dropzone__icon svg { stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.dropzone__title { margin: 0; font-size: 1.25rem; font-weight: 600; font-family: 'Space Grotesk', 'Noto Sans Devanagari', sans-serif; }
.dropzone__hint { margin: 0; color: var(--ink-muted); font-size: 0.9rem; }
.dropzone__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  border: 1px solid var(--line); background: var(--field); color: var(--ink);
  padding: 12px 20px; border-radius: 12px; cursor: pointer; font: inherit; font-weight: 600;
  transition: all 0.22s var(--ease); white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--primary:hover { box-shadow: 0 18px 38px -12px rgba(20, 184, 166, 0.95); filter: brightness(1.03); }
.btn--ghost:hover { border-color: var(--g2); color: var(--g1); background: color-mix(in srgb, var(--g2) 8%, var(--field)); }
.pane, .converter, .dropzone { transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease), border-color 0.25s var(--ease); }
.pane:hover, .converter:hover { box-shadow: 0 28px 70px -26px rgba(0,0,0,0.6); }
.btn.sm { padding: 9px 15px; font-size: 0.88rem; }
.btn.xs { padding: 7px 12px; font-size: 0.8rem; border-radius: 10px; }
.btn--primary { background: var(--grad); color: #04150e; border-color: transparent; box-shadow: 0 12px 28px -12px rgba(20, 184, 166, 0.75); }
.btn--primary:hover { box-shadow: 0 16px 34px -12px rgba(20, 184, 166, 0.9); }
.btn--ghost { background: var(--field); }
.btn--ghost:hover { border-color: var(--g2); color: var(--g1); }
.btn--soft { background: color-mix(in srgb, var(--g2) 16%, transparent); border-color: color-mix(in srgb, var(--g2) 30%, transparent); color: var(--g1); }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; transform: none; }

/* ---------- Studio ---------- */
.studio { margin-top: 8px; scroll-margin-top: 92px; }
.runbar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 14px; border-radius: 16px; margin-bottom: 16px;
}
.runbar__spacer { flex: 1 1 auto; }
.badge { padding: 6px 12px; border-radius: 999px; font-size: 0.76rem; font-weight: 600; border: 1px solid var(--line); }
.badge--muted { color: var(--ink-muted); background: var(--field); }
.badge--ai { color: #04150e; background: var(--grad); border-color: transparent; }
.badge--local { color: var(--saffron); background: color-mix(in srgb, var(--saffron) 16%, transparent); border-color: color-mix(in srgb, var(--saffron) 35%, transparent); }

.panes { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }

.pane { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.pane__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.pane__title { margin: 0; font-size: 1rem; font-weight: 600; }
.tool-row { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.tool-sep { width: 1px; height: 20px; background: var(--line); margin: 0 2px; }

/* image viewport + scanline signature */
.viewport {
  position: relative; height: 420px; display: grid; place-items: center; overflow: auto;
  background:
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 100% 28px,
    color-mix(in srgb, var(--bg-2) 60%, transparent);
}
.viewport img { max-width: 100%; max-height: 100%; transform-origin: center; transition: transform 0.25s var(--ease); user-select: none; }
.scanline {
  position: absolute; left: 0; right: 0; top: 0; height: 22%;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--g1) 45%, transparent), transparent);
  box-shadow: 0 0 22px 4px color-mix(in srgb, var(--g1) 45%, transparent);
  opacity: 0; pointer-events: none;
}
.viewport.is-scanning .scanline { opacity: 1; animation: scan 1.4s var(--ease) infinite; }
@keyframes scan { 0% { top: -22%; } 100% { top: 100%; } }

/* enhancement panel */
.enhance { border-top: 1px solid var(--line); }
.enhance summary { cursor: pointer; padding: 12px 16px; font-weight: 600; font-size: 0.9rem; list-style: none; display: flex; align-items: center; gap: 8px; }
.enhance summary::-webkit-details-marker { display: none; }
.enhance summary::before { content: '⌄'; color: var(--g1); transition: transform 0.2s var(--ease); }
.enhance[open] summary::before { transform: rotate(180deg); }
.enhance__hint { color: var(--ink-muted); font-weight: 400; font-size: 0.78rem; }
.enhance__grid { padding: 4px 16px 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; }
.chk { display: flex; align-items: center; gap: 8px; font-size: 0.88rem; cursor: pointer; }
.chk input { accent-color: var(--g2); width: 16px; height: 16px; }
.rng { display: flex; flex-direction: column; gap: 4px; font-size: 0.82rem; color: var(--ink-muted); }
.rng input { accent-color: var(--g2); }

/* text output */
.findbar { display: flex; gap: 8px; align-items: center; padding: 10px 16px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.findbar input { flex: 1 1 120px; min-width: 100px; padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--field); color: var(--ink); font: inherit; font-size: 0.86rem; }
.findbar input:focus { outline: 2px solid color-mix(in srgb, var(--g2) 60%, transparent); outline-offset: 0; }
.findbar__count { font-size: 0.78rem; color: var(--ink-muted); font-family: 'JetBrains Mono', monospace; }

.output {
  min-height: 320px; max-height: 460px; overflow: auto; padding: 18px 20px;
  font-size: 1rem; line-height: 1.7; white-space: pre-wrap; word-break: break-word;
  outline: none; font-family: 'Inter', 'Noto Sans Devanagari', sans-serif;
}
.output:empty::before { content: attr(data-placeholder); color: var(--ink-muted); }
.output mark { background: var(--saffron); color: #1a1200; border-radius: 3px; padding: 0 2px; }

.stats { display: flex; gap: 18px; padding: 10px 20px; border-top: 1px solid var(--line); font-size: 0.82rem; color: var(--ink-muted); }
.stat b { color: var(--ink); font-family: 'JetBrains Mono', monospace; }

.output-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 12px 16px; border-top: 1px solid var(--line); }
.output-actions__spacer { flex: 1 1 auto; }
.dl { display: flex; align-items: center; gap: 6px; }
.dl__label { font-size: 0.8rem; color: var(--ink-muted); margin-right: 2px; }

/* spinner */
.spinner { width: 15px; height: 15px; border-radius: 50%; border: 2px solid rgba(4,21,14,0.35); border-top-color: #04150e; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Font converter card ---------- */
.converter { margin-top: 16px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.converter__head { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding: 16px; border-bottom: 1px solid var(--line); }
.converter__sub { margin: 4px 0 0; color: var(--ink-muted); font-size: 0.84rem; max-width: 60ch; }
.converter__controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.conv-select { padding: 9px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--field); color: var(--ink); font: inherit; font-size: 0.86rem; cursor: pointer; }
.conv-select:focus { outline: 2px solid color-mix(in srgb, var(--g2) 60%, transparent); }
.converter__hint { padding: 18px 16px; color: var(--ink-muted); font-size: 0.9rem; }
.converter__body { padding: 14px 16px 4px; }

/* Explainer banner — reassures new users that "broken English" is expected */
.conv-info {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 13px 15px; margin-bottom: 14px; border-radius: 14px;
  background: linear-gradient(120deg, color-mix(in srgb, var(--saffron) 16%, transparent), color-mix(in srgb, var(--g2) 14%, transparent));
  border: 1px solid color-mix(in srgb, var(--saffron) 34%, var(--line));
  animation: infoIn 0.5s var(--ease) both;
  position: relative; overflow: hidden;
}
.conv-info::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(100deg, transparent 20%, color-mix(in srgb, #fff 28%, transparent) 50%, transparent 80%);
  transform: translateX(-120%); animation: shimmer 2.4s var(--ease) 0.4s 2;
}
.conv-info__spark { font-size: 1.15rem; line-height: 1.4; animation: sparkle 1.6s ease-in-out infinite; }
.conv-info__text { margin: 0; font-size: 0.86rem; line-height: 1.6; color: var(--ink); }
.conv-info__text b { color: var(--saffron); font-weight: 600; }

@keyframes infoIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes shimmer { to { transform: translateX(120%); } }
@keyframes sparkle { 0%,100% { transform: scale(1) rotate(0); opacity: 1; } 50% { transform: scale(1.25) rotate(12deg); opacity: 0.8; } }

/* Attention pulse on the Convert button when Hindi text is ready */
#btnConvert.pulse { animation: convPulse 1.6s var(--ease) infinite; }
@keyframes convPulse {
  0%,100% { box-shadow: 0 12px 28px -12px rgba(20,184,166,0.75); }
  50% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--g2) 30%, transparent), 0 12px 28px -12px rgba(20,184,166,0.9); }
}
.conv-label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 8px; }
.conv-output { min-height: 140px; max-height: 320px; border: 1px solid var(--line); border-radius: 12px; background: var(--field); }
.conv-note { margin: 8px 2px 0; font-size: 0.78rem; color: var(--ink-muted); }
#btnConvert[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ---------- History ---------- */
.history { margin-top: 40px; }
.history__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.history__head h2 { margin: 0; font-size: 1.1rem; }
.history__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 12px; }
.hist-card { border-radius: 14px; overflow: hidden; cursor: pointer; border: 1px solid var(--line); background: var(--glass); transition: all 0.2s var(--ease); position: relative; }
.hist-card:hover { transform: translateY(-3px); border-color: var(--g2); }
.hist-card img { width: 100%; height: 90px; object-fit: cover; display: block; }
.hist-card__meta { padding: 7px 9px; font-size: 0.72rem; color: var(--ink-muted); display: flex; justify-content: space-between; align-items: center; }
.hist-card__del { position: absolute; top: 6px; right: 6px; width: 24px; height: 24px; border-radius: 8px; border: 0; background: rgba(0,0,0,0.5); color: #fff; cursor: pointer; opacity: 0; transition: opacity 0.2s; }
.hist-card:hover .hist-card__del { opacity: 1; }

/* ---------- Roadmap ---------- */
.roadmap { margin-top: 56px; text-align: center; }
.roadmap__lead { color: var(--ink-muted); font-size: 0.92rem; margin-bottom: 16px; }
.roadmap__list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.roadmap__list li { padding: 9px 15px; border-radius: 999px; background: var(--field); border: 1px solid var(--line); font-size: 0.85rem; }
.roadmap__list li:first-child { color: var(--g1); border-color: color-mix(in srgb, var(--g2) 40%, transparent); }
.roadmap__list li[data-soon] { cursor: pointer; transition: all 0.2s var(--ease); }
.roadmap__list li[data-soon]:hover { border-color: var(--saffron); color: var(--saffron); transform: translateY(-2px); }

/* ---------- Footer ---------- */
.site-footer { position: relative; z-index: 1; text-align: center; padding: 30px 16px 40px; color: var(--ink-muted); font-size: 0.82rem; border-top: 1px solid var(--line); }

/* ---------- Modal + toast ---------- */
.modal { position: fixed; inset: 0; z-index: 40; display: grid; place-items: center; padding: 30px; background: rgba(0,0,0,0.82); backdrop-filter: blur(6px); }
.modal img { max-width: 96vw; max-height: 90vh; border-radius: 12px; }
.modal__close { position: absolute; top: 20px; right: 20px; }

.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
  z-index: 50; padding: 12px 20px; border-radius: 12px; background: var(--grad); color: #04150e;
  font-weight: 600; font-size: 0.9rem; box-shadow: var(--shadow); opacity: 0; transition: all 0.3s var(--ease);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.toast--err { background: linear-gradient(135deg, #fb7185, #ef4444); color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .panes { grid-template-columns: 1fr; }
  .viewport { height: 320px; }
  .brand__text span { display: none; }
}
@media (max-width: 520px) {
  .dropzone__actions { flex-direction: column; width: 100%; }
  .dropzone__actions .btn { width: 100%; }
  .enhance__grid { grid-template-columns: 1fr; }
  .runbar { gap: 8px; }
  .runbar .btn__label { font-size: 0.9rem; }
}

/* ---------- Accessibility ---------- */
:focus-visible { outline: 2px solid var(--g1); outline-offset: 2px; border-radius: 6px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .viewport.is-scanning .scanline { opacity: 0.6; animation: none; top: 40%; }
}