*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --bg: #080d0a;
    --surface: #0d1410;
    --surface2: #111a14;
    --border: #1a2a1e;
    --border2: #243429;
    --accent: #3effa0;
    --accent-dim: rgba(62,255,160,.1);
    --accent-glow: rgba(62,255,160,.28);
    --accent2: #47d9ff;
    --text: #e8f5ed;
    --text2: #7a9e85;
    --text3: #3d5e47;
    --red: #ff4d6a;
    --green: #3effa0;
    --radius: 14px;
    --radius-sm: 8px;
}
html { scroll-behavior: smooth; }
body {
    font-family: 'DM Mono', monospace;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}
body::after {
    content: '';
    position: fixed; inset: 0;
    background-image:
            linear-gradient(rgba(62,255,160,.022) 1px, transparent 1px),
            linear-gradient(90deg, rgba(62,255,160,.022) 1px, transparent 1px);
    background-size: 52px 52px;
    pointer-events: none; z-index: 0;
}
body::before {
    content: '';
    position: fixed; inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none; z-index: 9999; opacity: .5;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 48px 24px 80px; position: relative; z-index: 1; }

/* HEADER */
header { display:flex; align-items:flex-end; gap:20px; margin-bottom:52px; padding-bottom:32px; border-bottom:1px solid var(--border); }
.logo-mark { width:52px; height:52px; background:var(--accent); border-radius:12px; display:grid; place-items:center; font-size:26px; flex-shrink:0; box-shadow:0 0 40px var(--accent-glow),inset 0 1px 0 rgba(255,255,255,.25); }
.header-text h1 { font-family:'Syne',sans-serif; font-size:2rem; font-weight:800; letter-spacing:-.03em; line-height:1; background:linear-gradient(130deg,#e8f5ed 0%,var(--accent) 100%); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.header-text p { color:var(--text3); font-size:.75rem; margin-top:6px; letter-spacing:.02em; }
.badge { margin-left:auto; font-size:.65rem; letter-spacing:.1em; text-transform:uppercase; color:var(--accent); border:1px solid rgba(62,255,160,.22); background:rgba(62,255,160,.04); padding:5px 12px; border-radius:100px; white-space:nowrap; }

/* ALERT */
.alert { display:none; align-items:center; gap:10px; padding:12px 16px; border-radius:var(--radius-sm); font-size:.8rem; margin-bottom:20px; animation:slideIn .2s ease; }
.alert.show { display:flex; }
.alert.success { background:rgba(62,255,160,.07); border:1px solid rgba(62,255,160,.2); color:var(--green); }
.alert.error   { background:rgba(255,77,106,.07); border:1px solid rgba(255,77,106,.2); color:var(--red); }
@keyframes slideIn { from{opacity:0;transform:translateY(-6px)} to{opacity:1;transform:none} }

/* TABS */
.tabs { display:flex; gap:4px; background:var(--surface); border:1px solid var(--border); padding:5px; border-radius:var(--radius); margin-bottom:24px; }
.tab { flex:1; padding:10px 6px; border:none; background:transparent; color:var(--text3); font-family:'DM Mono',monospace; font-size:.7rem; font-weight:500; letter-spacing:.03em; cursor:pointer; border-radius:10px; transition:all .2s; white-space:nowrap; }
.tab:hover { color:var(--text2); background:var(--surface2); }
.tab.active { background:var(--accent); color:#080d0a; font-weight:700; box-shadow:0 2px 14px var(--accent-glow); }
.tab-content { display:none; }
.tab-content.active { display:block; animation:fadeUp .25s ease; }
@keyframes fadeUp { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:none} }

/* CARD */
.card { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:28px; margin-bottom:20px; }
.card-title { font-family:'Syne',sans-serif; font-size:.85rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--text2); margin-bottom:20px; display:flex; align-items:center; gap:8px; }
.card-title .dot { width:6px; height:6px; border-radius:50%; background:var(--accent); box-shadow:0 0 6px var(--accent-glow); }

/* DROP ZONE */
.drop-zone { border:1.5px dashed var(--border2); border-radius:var(--radius); padding:40px 24px; text-align:center; cursor:pointer; transition:all .2s; }
.drop-zone:hover, .drop-zone.drag-over { border-color:var(--accent); background:var(--accent-dim); }
.drop-zone.drag-over { transform:scale(1.01); }
.drop-icon { font-size:2.5rem; margin-bottom:10px; }
.drop-text { font-family:'Syne',sans-serif; font-weight:600; font-size:.95rem; color:var(--text); margin-bottom:6px; }
.drop-hint { font-size:.75rem; color:var(--text3); }
.drop-hint a { color:var(--accent); text-decoration:none; }
.drop-hint a:hover { text-decoration:underline; }
input[type="file"] { display:none; }

/* FILE LIST */
.file-list { margin-top:16px; display:flex; flex-direction:column; gap:8px; }
.file-item { display:flex; align-items:center; gap:12px; background:var(--surface2); border:1px solid var(--border); border-radius:var(--radius-sm); padding:10px 14px; transition:border-color .15s; cursor:grab; }
.file-item:hover { border-color:var(--border2); }
.file-item.dragging { opacity:.4; cursor:grabbing; }
.file-item.drag-target { border-color:var(--accent); background:var(--accent-dim); }
.file-icon { font-size:1.2rem; flex-shrink:0; }
.file-name { flex:1; font-size:.78rem; color:var(--text); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.file-meta { font-size:.7rem; color:var(--text3); flex-shrink:0; }
.file-pages { font-size:.7rem; color:var(--accent2); flex-shrink:0; margin-right:4px; }
.file-remove { width:22px; height:22px; border:none; background:transparent; color:var(--text3); cursor:pointer; border-radius:4px; font-size:.8rem; display:grid; place-items:center; flex-shrink:0; transition:all .15s; }
.file-remove:hover { background:rgba(255,77,106,.15); color:var(--red); }

/* STATS */
.stats { display:flex; align-items:center; flex-wrap:wrap; gap:16px; padding:10px 14px; background:var(--surface2); border:1px solid var(--border); border-radius:var(--radius-sm); margin-top:12px; font-size:.72rem; color:var(--text3); }
.stats strong { color:var(--text2); }
.clear-btn { margin-left:auto; font-size:.7rem; padding:4px 10px; border:1px solid var(--border2); background:transparent; color:var(--text3); border-radius:6px; cursor:pointer; font-family:'DM Mono',monospace; transition:all .15s; }
.clear-btn:hover:not(:disabled) { border-color:var(--red); color:var(--red); }
.clear-btn:disabled { opacity:.3; cursor:not-allowed; }

/* CONTROLS */
.controls { display:flex; flex-wrap:wrap; align-items:flex-end; gap:12px; margin-top:20px; }
.cg { display:flex; flex-direction:column; gap:6px; }
.cg label { font-size:.68rem; letter-spacing:.06em; text-transform:uppercase; color:var(--text3); }
select, input[type="number"], input[type="text"] { background:var(--surface2); border:1px solid var(--border2); color:var(--text); font-family:'DM Mono',monospace; font-size:.8rem; padding:8px 12px; border-radius:var(--radius-sm); outline:none; transition:all .15s; -webkit-appearance:none; }
select { padding-right:28px; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%233d5e47'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 10px center; }
select:focus, input:focus { border-color:var(--accent); box-shadow:0 0 0 2px var(--accent-dim); }

/* BUTTONS */
.btn-p { padding:10px 22px; background:var(--accent); color:#080d0a; border:none; border-radius:var(--radius-sm); font-family:'Syne',sans-serif; font-size:.82rem; font-weight:700; letter-spacing:.02em; cursor:pointer; transition:all .2s; white-space:nowrap; }
.btn-p:hover:not(:disabled) { background:#6fffba; transform:translateY(-1px); box-shadow:0 6px 20px var(--accent-glow); }
.btn-p:disabled { opacity:.3; cursor:not-allowed; }
.btn-s { padding:10px 18px; background:transparent; color:var(--text2); border:1px solid var(--border2); border-radius:var(--radius-sm); font-family:'DM Mono',monospace; font-size:.78rem; cursor:pointer; transition:all .15s; white-space:nowrap; }
.btn-s:hover { border-color:var(--accent); color:var(--accent); }
.btn-xs { padding:5px 12px; font-size:.72rem; }

/* TEXTAREA */
textarea { width:100%; background:var(--surface2); border:1px solid var(--border2); color:var(--text); font-family:'DM Mono',monospace; font-size:.78rem; line-height:1.7; padding:16px; border-radius:var(--radius-sm); resize:vertical; outline:none; transition:all .15s; min-height:200px; }
textarea:focus { border-color:var(--accent); box-shadow:0 0 0 2px var(--accent-dim); }
textarea::placeholder { color:var(--text3); }

/* PROCESSING */
.processing { display:none; align-items:center; gap:12px; margin-top:20px; padding:14px 18px; background:rgba(62,255,160,.04); border:1px solid rgba(62,255,160,.14); border-radius:var(--radius-sm); font-size:.78rem; color:var(--accent); }
.processing.show { display:flex; }
.spinner { width:18px; height:18px; border:2px solid rgba(62,255,160,.18); border-top-color:var(--accent); border-radius:50%; animation:spin .7s linear infinite; flex-shrink:0; }
@keyframes spin { to{transform:rotate(360deg)} }

/* OCR */
.lang-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(128px,1fr)); gap:8px; margin-top:6px; }
.lang-chip { display:flex; align-items:center; gap:7px; padding:7px 10px; background:var(--surface2); border:1px solid var(--border2); border-radius:var(--radius-sm); cursor:pointer; transition:all .15s; font-size:.75rem; color:var(--text2); user-select:none; }
.lang-chip:hover { border-color:var(--accent); color:var(--text); }
.lang-chip.sel { border-color:var(--accent); background:var(--accent-dim); color:var(--accent); }
.lang-chip input { display:none; }
.lang-dot { width:7px; height:7px; border-radius:50%; border:1.5px solid currentColor; flex-shrink:0; transition:background .15s; }
.lang-chip.sel .lang-dot { background:var(--accent); border-color:var(--accent); }
.ocr-prog-wrap { height:3px; background:var(--border); border-radius:2px; margin-top:12px; overflow:hidden; display:none; }
.ocr-prog-wrap.show { display:block; }
.ocr-prog { height:100%; background:var(--accent); border-radius:2px; width:0%; transition:width .3s ease; box-shadow:0 0 8px var(--accent-glow); }
.ocr-status { font-size:.72rem; color:var(--text3); margin-top:6px; min-height:18px; }
.ocr-toolbar { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:8px; margin-bottom:8px; }
.ocr-toolbar-label { font-size:.68rem; letter-spacing:.06em; text-transform:uppercase; color:var(--text3); }
.ocr-toolbar-actions { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.pill { display:inline-flex; align-items:center; gap:5px; font-size:.68rem; color:var(--text3); padding:3px 9px; background:var(--surface2); border:1px solid var(--border); border-radius:100px; }
.pill strong { color:var(--accent); }
.conf-badge { font-size:.68rem; padding:3px 9px; border-radius:100px; border:1px solid var(--border); }
.conf-badge.high { border-color:rgba(62,255,160,.3); color:var(--green); background:rgba(62,255,160,.06); }
.conf-badge.med  { border-color:rgba(255,200,60,.3); color:#ffc83c; background:rgba(255,200,60,.06); }
.conf-badge.low  { border-color:rgba(255,77,106,.3); color:var(--red); background:rgba(255,77,106,.06); }

/* SPLIT */
.split-inner { margin-top:20px; display:flex; flex-direction:column; gap:14px; }
.ic { display:flex; flex-direction:column; gap:6px; }
.ic label { font-size:.68rem; letter-spacing:.06em; text-transform:uppercase; color:var(--text3); }
.ic input { max-width:360px; }

/* PREVIEW */
.preview-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; flex-wrap:wrap; gap:10px; }
.preview-info { font-size:.74rem; color:var(--text3); display:flex; align-items:center; gap:8px; }
.status-dot { width:7px; height:7px; border-radius:50%; background:var(--text3); transition:all .3s; }
.status-dot.loaded { background:var(--green); box-shadow:0 0 8px rgba(62,255,160,.6); }
#previewFrame { border-radius:var(--radius-sm); overflow:hidden; border:1px solid var(--border); background:var(--surface2); min-height:420px; display:grid; place-items:center; }
.empty-preview { text-align:center; color:var(--text3); padding:60px 20px; }
.empty-preview .icon { font-size:3.5rem; margin-bottom:14px; opacity:.18; }
.empty-preview p { font-size:.8rem; }
iframe { width:100%; height:560px; border:none; display:block; }

@media(max-width:640px) { .tabs{flex-wrap:wrap} .tab{flex:1 1 30%} header{flex-wrap:wrap} .badge{margin-left:0} .lang-grid{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))} }