@font-face {
        font-family: Vazirmatn;
        src: url("/fonts/Regular.woff2") format("woff2");
        font-weight: 400;
        font-display: swap;
      }
      @font-face {
        font-family: Vazirmatn;
        src: url("/fonts/SemiBold.woff2") format("woff2");
        font-weight: 600;
        font-display: swap;
      }
      @font-face {
        font-family: Vazirmatn;
        src: url("/fonts/Bold.woff2") format("woff2");
        font-weight: 700;
        font-display: swap;
      }
      :root {
        color-scheme: dark;
        --bg: #090708;
        --surface: #160d11;
        --surface-2: #251118;
        --text: #fff8eb;
        --muted: #c9bbaa;
        --line: #735534;
        --burgundy: #771a38;
        --burgundy-bright: #9b264d;
        --gold: #dfbd70;
        --gold-soft: #f3dda8;
        --danger: #ff9c9c;
        --radius: 16px;
      }
      * {
        box-sizing: border-box;
      }
      html {
        font-family: Vazirmatn, Tahoma, sans-serif;
        background: var(--bg);
        color: var(--text);
        font-size: 20px;
      }
      body {
        margin: 0;
        min-height: 100dvh;
        background:
          radial-gradient(
            circle at 78% -10%,
            rgba(119, 26, 56, 0.34),
            transparent 38%
          ),
          linear-gradient(180deg, #0d080a 0%, var(--bg) 68%);
        border-top: 3px solid var(--gold);
      }
      button,
      input,
      textarea {
        font: inherit;
      }
      button {
        cursor: pointer;
      }
      .shell {
        width: min(1380px, 100%);
        margin: auto;
        padding: 28px 24px 80px;
      }
      .topbar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        margin-bottom: 36px;
        padding-bottom: 18px;
        border-bottom: 1px solid rgba(223, 189, 112, 0.28);
      }
      .brand {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--gold-soft);
        text-decoration: none;
      }
      .review-link {
        color: var(--muted);
        font-size: 0.88rem;
        text-underline-offset: 5px;
        text-decoration-color: var(--gold);
      }
      .review-link:hover {
        color: var(--gold-soft);
      }
      .scratchpad {
        position: relative;
        overflow: hidden;
        margin-bottom: 32px;
        padding: 0;
        background:
          radial-gradient(
            circle at 12% -16%,
            rgba(223, 189, 112, 0.14),
            transparent 36%
          ),
          linear-gradient(145deg, #241018, #100a0c 70%);
      }
      .scratchpad::before {
        content: "";
        position: absolute;
        inset: 0;
        pointer-events: none;
        border-radius: inherit;
        box-shadow: inset 0 1px 0 rgba(255, 242, 207, 0.1);
      }
      .scratch-head {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 24px;
        align-items: end;
        padding: 30px 32px 24px;
      }
      .eyebrow {
        margin: 0 0 7px;
        color: var(--gold);
        font-size: 0.73rem;
        font-weight: 700;
        letter-spacing: 0.08em;
      }
      .scratch-head h1 {
        margin: 0;
        max-width: 840px;
        color: var(--gold-soft);
        font-size: clamp(1.55rem, 3vw, 2.55rem);
        line-height: 1.35;
        letter-spacing: -0.025em;
      }
      .scratch-copy {
        margin: 11px 0 0;
        max-width: 790px;
        color: var(--muted);
        font-size: 0.9rem;
        line-height: 1.8;
      }
      .model-chip {
        display: inline-flex;
        align-items: center;
        gap: 9px;
        min-height: 40px;
        padding: 8px 13px;
        border: 1px solid rgba(223, 189, 112, 0.36);
        border-radius: 999px;
        color: var(--gold-soft);
        background: rgba(9, 7, 8, 0.54);
        text-decoration: none;
        white-space: nowrap;
        font-size: 0.72rem;
      }
      .model-chip::before {
        content: "";
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: #72e59c;
        box-shadow: 0 0 14px rgba(114, 229, 156, 0.8);
      }
      .scribble-stage {
        position: relative;
        height: clamp(300px, 42vw, 500px);
        overflow: hidden;
        margin: 0 14px;
        border: 1px solid rgba(70, 41, 34, 0.28);
        border-radius: 12px;
        background:
          linear-gradient(rgba(77, 48, 42, 0.055) 1px, transparent 1px)
            0 0 / 100% 44px,
          #fffdf7;
        box-shadow:
          inset 0 0 0 1px rgba(255, 255, 255, 0.8),
          inset 0 18px 52px rgba(95, 59, 35, 0.035);
        cursor: crosshair;
        touch-action: none;
        user-select: none;
      }
      .scribble-stage.is-writing {
        cursor: none;
      }
      .scribble-canvas,
      .scribble-overlays {
        position: absolute;
        inset: 0;
      }
      .scribble-canvas {
        display: block;
        pointer-events: none;
      }
      .scribble-overlays {
        pointer-events: none;
      }
      .recognized-word {
        position: absolute;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: visible;
        pointer-events: auto;
        color: #211317;
        font-size: clamp(1.15rem, 2.6vw, 2rem);
        font-weight: 700;
        line-height: 1;
        text-align: center;
        white-space: nowrap;
        caret-color: var(--burgundy);
        animation: word-in 0.16s ease-out both;
      }
      .recognized-word:focus {
        padding: 5px 8px;
        border-radius: 7px;
        background: rgba(255, 255, 255, 0.92);
      }
      .stage-hint {
        position: absolute;
        inset: 50% auto auto 50%;
        transform: translate(-50%, -50%);
        z-index: 0;
        color: rgba(61, 38, 31, 0.32);
        font-size: clamp(1rem, 2.4vw, 1.65rem);
        font-weight: 600;
        pointer-events: none;
      }
      .scribble-stage:has(.recognized-word) .stage-hint,
      .scribble-stage.is-writing .stage-hint {
        opacity: 0;
      }
      .scratch-foot {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 20px;
        align-items: center;
        padding: 20px 30px 24px;
      }
      .runtime-status {
        display: flex;
        align-items: center;
        gap: 12px;
        min-width: 0;
      }
      .status-bolt {
        display: grid;
        flex: 0 0 39px;
        width: 39px;
        height: 39px;
        place-content: center;
        border: 1px solid rgba(223, 189, 112, 0.38);
        border-radius: 10px;
        color: var(--gold);
        background: rgba(9, 7, 8, 0.52);
      }
      .runtime-status strong,
      .runtime-status small {
        display: block;
      }
      .runtime-status strong {
        color: var(--gold-soft);
        font-size: 0.86rem;
      }
      .runtime-status strong[data-tone="ready"] {
        color: #a9efbe;
      }
      .runtime-status strong[data-tone="error"] {
        color: var(--danger);
      }
      .runtime-status small {
        margin-top: 2px;
        overflow: hidden;
        color: var(--muted);
        font-size: 0.69rem;
        text-overflow: ellipsis;
        white-space: nowrap;
      }
      .clear-scribble {
        min-height: 42px;
        padding: 8px 16px;
        border: 1px solid rgba(223, 189, 112, 0.46);
        border-radius: 10px;
        color: var(--gold-soft);
        background: transparent;
        font-size: 0.76rem;
      }
      .clear-scribble:hover {
        border-color: var(--gold);
        background: rgba(119, 26, 56, 0.24);
      }
      .upload-divider {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        gap: 18px;
        align-items: center;
        margin: 34px 0 24px;
        color: var(--muted);
        font-size: 0.76rem;
      }
      .upload-divider::before,
      .upload-divider::after {
        content: "";
        height: 1px;
        background: rgba(223, 189, 112, 0.24);
      }
      .workspace {
        display: grid;
        grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
        gap: 28px;
        align-items: stretch;
      }
      .panel {
        background: linear-gradient(
          145deg,
          rgba(31, 14, 21, 0.98),
          rgba(18, 11, 14, 0.98)
        );
        border: 1px solid rgba(223, 189, 112, 0.42);
        border-radius: var(--radius);
        padding: 28px;
        box-shadow:
          0 28px 80px rgba(56, 5, 24, 0.24),
          inset 0 1px 0 rgba(255, 235, 190, 0.07);
      }
      .dropzone {
        display: block;
        border: 2px dashed rgba(223, 189, 112, 0.52);
        border-radius: var(--radius);
        padding: 52px 28px;
        text-align: center;
        background: rgba(119, 26, 56, 0.08);
        transition:
          border-color 0.18s,
          background 0.18s,
          transform 0.12s;
      }
      .dropzone:hover,
      .dropzone.is-dragging {
        border-color: var(--gold);
        background: rgba(119, 26, 56, 0.2);
      }
      .dropzone:active {
        transform: translateY(1px);
      }
      .dropzone strong {
        display: block;
        font-size: 1.45rem;
        margin-bottom: 10px;
        color: var(--gold-soft);
      }
      .dropzone span {
        display: block;
        color: var(--muted);
        font-size: 0.9rem;
        line-height: 1.8;
      }
      .file-input {
        position: absolute;
        inline-size: 1px;
        block-size: 1px;
        opacity: 0;
        pointer-events: none;
      }
      .chosen {
        margin: 18px 0 0;
        min-height: 32px;
        color: var(--gold);
        font-weight: 600;
        overflow-wrap: anywhere;
      }
      .token-control {
        margin: 22px 0 4px;
        padding: 18px;
        border: 1px solid rgba(223, 189, 112, 0.3);
        border-radius: 12px;
        background: rgba(9, 7, 8, 0.48);
      }
      .token-head {
        display: flex;
        justify-content: space-between;
        gap: 16px;
        align-items: baseline;
        margin-bottom: 12px;
      }
      .token-head strong {
        color: var(--gold-soft);
      }
      .token-head output {
        color: var(--gold);
        font-weight: 700;
      }
      .token-control input[type="range"] {
        width: 100%;
        accent-color: var(--gold);
        cursor: pointer;
      }
      .token-scale {
        display: flex;
        justify-content: space-between;
        color: var(--muted);
        font-size: 0.72rem;
        margin-top: 7px;
      }
      .token-control small {
        display: block;
        color: var(--muted);
        font-size: 0.78rem;
        line-height: 1.7;
        margin-top: 10px;
      }
      .consent {
        display: grid;
        grid-template-columns: 28px 1fr;
        gap: 14px;
        align-items: start;
        margin: 26px 0 22px;
        line-height: 1.75;
      }
      .consent input {
        appearance: none;
        width: 26px;
        height: 26px;
        border: 2px solid var(--gold);
        border-radius: 7px;
        margin: 5px 0 0;
        background: #0e090b;
        display: grid;
        place-content: center;
      }
      .consent input:checked {
        background: var(--burgundy);
        border-color: var(--gold);
      }
      .consent input:checked:after {
        content: "✓";
        color: var(--gold-soft);
        font-size: 18px;
        line-height: 1;
      }
      .consent small {
        display: block;
        color: var(--muted);
        font-size: 0.82rem;
        margin-top: 4px;
      }
      .primary {
        width: 100%;
        border: 1px solid var(--gold);
        border-radius: 12px;
        padding: 16px 22px;
        background: var(--burgundy);
        color: #fff8eb;
        font-weight: 700;
        min-height: 58px;
        box-shadow:
          0 14px 34px rgba(74, 8, 31, 0.35),
          inset 0 1px 0 rgba(255, 232, 177, 0.18);
        transition:
          background 0.18s,
          transform 0.12s,
          box-shadow 0.18s;
      }
      .primary:hover {
        background: var(--burgundy-bright);
        box-shadow:
          0 16px 40px rgba(119, 26, 56, 0.45),
          inset 0 1px 0 rgba(255, 232, 177, 0.22);
      }
      .primary:active {
        transform: translateY(1px);
      }
      .primary:disabled {
        cursor: not-allowed;
        opacity: 0.55;
      }
      .privacy {
        margin-top: 18px;
        color: var(--muted);
        font-size: 0.78rem;
        line-height: 1.8;
      }
      .status-panel {
        min-height: 100%;
      }
      .empty {
        min-height: 350px;
        display: grid;
        place-content: center;
        text-align: center;
        color: var(--muted);
        padding: 30px;
      }
      .empty strong {
        display: block;
        color: var(--gold-soft);
        font-size: 1.25rem;
        margin-bottom: 10px;
      }
      .progress {
        display: none;
      }
      .progress.is-visible {
        display: block;
      }
      .progress h2,
      .results h2 {
        font-size: 1.45rem;
        margin: 0 0 16px;
        color: var(--gold-soft);
      }
      .token-summary {
        display: inline-block;
        margin-inline-start: 10px;
        color: var(--gold);
        font-size: 0.82rem;
        font-weight: 600;
      }
      .progress-line {
        height: 10px;
        background: #2a121b;
        border: 1px solid rgba(223, 189, 112, 0.25);
        border-radius: 999px;
        overflow: hidden;
      }
      .progress-line span {
        display: block;
        width: 42%;
        height: 100%;
        background: linear-gradient(90deg, var(--burgundy), var(--gold));
        border-radius: inherit;
        animation: working 1.1s ease-in-out infinite alternate;
      }
      .progress p {
        color: var(--muted);
        line-height: 1.8;
      }
      .results {
        display: none;
        margin-top: 28px;
      }
      .results.is-visible {
        display: block;
      }
      .result-page {
        padding: 26px 0;
        border-bottom: 1px solid rgba(223, 189, 112, 0.28);
      }
      .result-page:last-child {
        border-bottom: 0;
      }
      .page-head {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
        margin-bottom: 18px;
      }
      .page-head strong {
        font-size: 1.15rem;
        color: var(--gold-soft);
      }
      .page-tools {
        display: flex;
        align-items: center;
        gap: 8px;
      }
      .zoom-value {
        min-width: 62px;
        text-align: center;
        color: var(--muted);
        font-size: 0.78rem;
      }
      .tool-button {
        border: 1px solid var(--gold);
        background: #120c0e;
        color: var(--gold-soft);
        border-radius: 10px;
        padding: 8px 14px;
        font-size: 0.85rem;
        min-width: 44px;
      }
      .tool-button:hover {
        background: var(--burgundy);
      }
      .tool-button:active {
        transform: translateY(1px);
      }
      .review-grid {
        display: grid;
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        gap: 24px;
        align-items: stretch;
      }
      .image-viewport {
        min-height: 520px;
        max-height: 72vh;
        overflow: auto;
        background: #0b0809;
        border: 1px solid rgba(223, 189, 112, 0.24);
        border-radius: 12px;
        display: block;
        cursor: grab;
        overscroll-behavior: contain;
        scrollbar-color: var(--gold) #160d11;
      }
      .image-viewport.is-panning {
        cursor: grabbing;
        user-select: none;
      }
      .preview {
        display: block;
        width: 100%;
        max-width: none;
        height: auto;
        transform-origin: top right;
        transition: width 0.16s ease;
        user-select: none;
        -webkit-user-drag: none;
      }
      .ocr-text {
        width: 100%;
        min-height: 520px;
        height: 72vh;
        max-height: 72vh;
        resize: vertical;
        border: 1px solid rgba(223, 189, 112, 0.5);
        border-radius: 12px;
        background: #0d090a;
        color: var(--text);
        padding: 22px;
        line-height: 2;
        font-size: 1.05rem;
        caret-color: var(--gold);
      }
      .notice {
        display: none;
        margin: 0 0 20px;
        border-radius: 12px;
        padding: 14px 16px;
        line-height: 1.7;
      }
      .notice.is-visible {
        display: block;
      }
      .notice.error {
        background: rgba(134, 28, 42, 0.22);
        color: var(--danger);
        border: 1px solid rgba(255, 156, 156, 0.3);
      }
      .notice.success {
        background: rgba(119, 26, 56, 0.24);
        color: var(--gold-soft);
        border: 1px solid rgba(223, 189, 112, 0.32);
      }
      .limit-warning {
        margin: 0 0 18px;
        padding: 14px 16px;
        border: 1px solid rgba(223, 189, 112, 0.55);
        border-radius: 12px;
        background: rgba(119, 26, 56, 0.28);
        color: var(--gold-soft);
        line-height: 1.75;
        font-size: 0.9rem;
      }
      .limit-warning strong {
        color: var(--gold);
      }
      :focus-visible {
        outline: 4px solid rgba(223, 189, 112, 0.7);
        outline-offset: 3px;
      }
      @keyframes working {
        from {
          transform: translateX(120%);
        }
        to {
          transform: translateX(-170%);
        }
      }
      @keyframes word-in {
        from {
          opacity: 0;
          transform: scale(0.92);
          filter: blur(3px);
        }
        to {
          opacity: 1;
          transform: scale(1);
          filter: blur(0);
        }
      }
      @media (prefers-reduced-motion: reduce) {
        * {
          animation: none !important;
          transition: none !important;
        }
        .progress-line span {
          width: 100%;
          opacity: 0.65;
        }
      }
      @media (max-width: 820px) {
        .shell {
          padding: 20px 16px 52px;
        }
        .topbar {
          margin-bottom: 28px;
        }
        .scratch-head {
          grid-template-columns: 1fr;
          padding: 24px 20px 18px;
        }
        .model-chip {
          justify-self: start;
        }
        .scribble-stage {
          height: 330px;
          margin: 0 8px;
        }
        .scratch-foot {
          grid-template-columns: minmax(0, 1fr) auto;
          padding: 17px 18px 20px;
        }
        .runtime-status small {
          max-width: 58vw;
        }
        .workspace {
          grid-template-columns: 1fr;
        }
        .panel {
          padding: 20px;
        }
        .dropzone {
          padding: 40px 18px;
        }
        .status-panel {
          min-height: 320px;
        }
        .empty {
          min-height: 260px;
        }
        .review-link {
          display: none;
        }
        .review-grid {
          grid-template-columns: 1fr;
        }
        .image-viewport {
          min-height: 360px;
          max-height: 62vh;
        }
        .ocr-text {
          min-height: 360px;
          height: 50vh;
          max-height: none;
        }
        .page-head {
          align-items: flex-start;
          flex-direction: column;
        }
        .page-tools {
          width: 100%;
          justify-content: flex-start;
          flex-wrap: wrap;
        }
      }
    
/* Bina browser-only workspace additions; reference tokens unchanged. */
[hidden]{display:none!important}
a{color:var(--gold-soft);text-underline-offset:5px}
.intro{margin-bottom:28px;padding:0}.intro .scratch-head{align-items:center}
.model-chip::before{display:none}
h2.panel-title{margin:0 0 20px;font-size:1.45rem;color:var(--gold-soft)}
.upload-panel,.result-panel{min-width:0}
.dropzone{padding:32px 20px;cursor:pointer}
.dropzone:focus-within{outline:3px solid var(--gold);outline-offset:4px}
.dropzone strong{font-size:1.25rem}
.file-input{pointer-events:auto}
.chosen{font-size:.85rem;line-height:1.8;margin-top:14px}
.preview-wrap{margin:14px 0 18px;border:1px solid rgba(223,189,112,.28);border-radius:12px;padding:10px;background:#0d090a;text-align:center;min-height:144px;display:grid;place-content:center}
.preview-wrap img{max-width:100%;max-height:190px;object-fit:contain;border-radius:5px;background:#fffdf7}
.selection-tools{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-top:10px;flex-wrap:wrap}
.text-button{border:0;background:none;padding:4px 0;color:var(--gold-soft);text-decoration:underline;text-underline-offset:5px;font-size:.78rem;min-height:40px}
button:disabled{cursor:not-allowed;opacity:.55}button:active{transform:translateY(1px)}
.control-row{display:flex;align-items:center;gap:12px;margin-top:18px}.control-row .primary{flex:1}
.runtime-box{margin:20px 0 0;padding:16px 18px;border:1px solid rgba(223,189,112,.3);border-radius:12px;background:rgba(9,7,8,.48)}
.runtime-box strong{font-size:.86rem;color:var(--gold-soft)}
.runtime-box p{font-size:.78rem;color:var(--muted);line-height:1.8;margin:6px 0}
.runtime-box progress{width:100%;height:8px;accent-color:var(--gold);display:block;margin-top:12px}
.gpu-state{color:var(--muted);font-size:.72rem;direction:ltr}
.result-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.result-head h2.panel-title{margin:0}.result-tools{display:flex;gap:8px}
.result-tools .tool-button{font-size:.72rem;padding:6px 12px;min-height:40px}
.result-panel{display:flex;flex-direction:column}
.result-panel .empty{flex:1;min-height:390px;padding:24px 12px}
.empty p{font-size:.9rem;line-height:1.9;margin:4px 0}
.ocr-text{height:520px;max-height:70vh;min-height:390px;font-size:1.05rem;line-height:2;margin-bottom:12px}
.result-meta{color:var(--muted);font-size:.76rem;line-height:1.8;min-height:24px;margin:12px 0 0}
.notice{font-size:.84rem;display:block;margin-bottom:16px}
.advanced{margin-top:28px;padding-top:20px;border-top:1px solid rgba(223,189,112,.28);font-size:.8rem;line-height:1.9;color:var(--muted)}
.advanced summary{cursor:pointer;color:var(--gold-soft);padding:6px 0;font-weight:600}
.advanced p{max-width:75ch}.advanced-controls{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin:14px 0}
.advanced pre{direction:ltr;text-align:left;overflow:auto;max-height:320px;font-size:12px;padding:16px;background:#0d090a;border-radius:12px;white-space:pre-wrap;overflow-wrap:anywhere}
.footer{margin-top:26px;font-size:.72rem;line-height:1.9;color:var(--muted);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.standalone{margin-bottom:20px;font-size:.8rem;line-height:1.8;padding:12px 16px;border:1px solid rgba(223,189,112,.28);border-radius:12px;background:var(--surface)}
@media(max-width:820px){.topbar{gap:12px}.topbar .brand{font-size:1rem}.topbar .review-link{display:block;font-size:.72rem}.scratch-head h1{font-size:1.55rem}.intro .scratch-head{gap:16px}.panel{padding:20px}.dropzone{padding:28px 14px}.dropzone strong{font-size:1.15rem}.ocr-text{min-height:340px;height:440px}.empty{min-height:260px!important}.model-chip{font-size:.66rem;white-space:normal;overflow-wrap:anywhere}.preview-wrap img{max-height:160px}.primary{font-size:.9rem;padding:14px 10px}.result-head{gap:12px}.footer{display:block}.footer a{display:inline-block;margin-bottom:10px}}

.progress-row{margin-top:16px;padding-top:12px;border-top:1px solid rgba(223,189,112,.22)}
.progress-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:.84rem;color:var(--gold-soft)}
.progress-head output{font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums}
.progress-head small{font-size:.72rem;color:var(--muted)}
.runtime-box .progress-row progress{height:12px;margin:9px 0 7px;border-radius:999px;overflow:hidden;background:#2a121b;border:1px solid rgba(223,189,112,.25)}
progress::-webkit-progress-bar{background:#2a121b}progress::-webkit-progress-value{background:var(--gold)}progress::-moz-progress-bar{background:var(--gold)}
.runtime-box .progress-note{font-size:.68rem;line-height:1.8}