:root {
    --red:       #e5322d;
    --red-dark:  #b82320;
    --red-glow:  rgba(229,50,45,0.18);
    --ink:       #0f0e0e;
    --ink-soft:  #3d3b3b;
    --muted:     #7a7575;
    --line:      rgba(0,0,0,0.09);
    --surface:   #ffffff;
    --bg:        #f5f3f0;
    --new-badge: #1a9e5c;
    --radius:    10px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
    --shadow-md: 0 8px 28px rgba(0,0,0,.11);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--ink-soft);
    line-height: 1.6;
    min-height: 100vh;
}

/* ── HEADER ── */
.header {
    position: sticky; top: 0; z-index: 900;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    transition: box-shadow .25s;
}
.header.scrolled { box-shadow: var(--shadow-sm); }
.navbar {
    max-width: 1240px; margin: 0 auto; padding: 0 28px;
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
}
.logo {
    font-family: 'Syne', sans-serif;
    font-weight: 800; font-size: 1.55rem;
    color: var(--red); text-decoration: none;
    letter-spacing: 0;
}
.logo span { color: var(--ink); }
.nav-links { display:flex; list-style:none; gap: 32px; }
.nav-links a {
    text-decoration: none; color: var(--ink-soft);
    font-weight: 500; font-size: .92rem;
    transition: color .2s;
}
.nav-links a:hover { color: var(--red); }
.hamburger { display:none; cursor:pointer; }
.hamburger .bar {
    display:block; width:22px; height:2px; margin:5px 0;
    background: var(--ink); transition: all .3s;
}

/* ── HERO ── */
.hero {
    position: relative; overflow: hidden;
    padding: 88px 28px 72px;
    text-align: center;
    background: var(--surface);
}
.hero::before {
    content:'';
    position:absolute; inset:0;
    background: radial-gradient(ellipse 70% 60% at 50% -10%, rgba(229,50,45,.08) 0%, transparent 70%);
}
.hero-tag {
    display: inline-block;
    background: rgba(229,50,45,.1);
    color: var(--red);
    font-size: .78rem; font-weight: 700;
    letter-spacing: 0; text-transform: none;
    padding: 4px 12px; border-radius: 20px;
    margin-bottom: 22px;
}
.hero h1 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2.15rem, 4.4vw, 3.35rem);
    font-weight: 800;
    color: var(--ink);
    line-height: 1.12;
    letter-spacing: 0;
    max-width: 860px; margin: 0 auto 20px;
}
.hero h1 em {
    font-style: normal;
    color: var(--red-dark);
    font-size: .92em;
}
.hero p {
    font-size: 1.05rem; max-width: 520px;
    margin: 0 auto; color: var(--muted);
}
.hero-badges {
    display: flex; justify-content: center; gap: 20px;
    flex-wrap: wrap; margin-top: 30px;
}
.hero-badge {
    display: flex; align-items: center; gap: 7px;
    font-size: .82rem; color: var(--ink-soft);
    font-weight: 500;
}
.hero-badge svg { width:16px; height:16px; stroke: var(--red); }

/* ── TOOLS SECTION ── */
.tools-section { padding: 60px 28px; max-width: 1240px; margin: 0 auto; }
.section-header { margin-bottom: 32px; }
.section-header h2 {
    font-family: 'Syne', sans-serif;
    font-size: 1.7rem; font-weight: 800;
    color: var(--ink); letter-spacing: 0;
    display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
}
.section-header h2 span {
    font-family: 'DM Sans', sans-serif;
    font-size: .84rem;
    font-weight: 700;
    color: var(--red);
}
.section-header p { font-size: .92rem; color: var(--muted); margin-top: 4px; }

/* Category pills */
.cat-pills {
    display: flex; gap: 8px; flex-wrap: wrap;
    margin-bottom: 28px;
}
.cat-pill {
    padding: 6px 16px; border-radius: 20px; cursor: pointer;
    border: 1.5px solid var(--line);
    font-size: .82rem; font-weight: 600;
    background: var(--surface); color: var(--muted);
    transition: all .18s;
}
.cat-pill:hover, .cat-pill.active {
    background: var(--red); border-color: var(--red);
    color: #fff;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}
.tool-card {
    background: var(--surface);
    border: 1.5px solid var(--line);
    border-radius: var(--radius);
    padding: 24px 20px 20px;
    min-height: 178px;
    cursor: pointer; position: relative;
    transition: transform .22s, box-shadow .22s, border-color .22s;
    display: flex; flex-direction: column; gap: 8px;
}
.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--red);
}
.tool-card .t-icon {
    font-size: 1.9rem;
    width: 46px; height: 46px;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg);
    border-radius: 10px;
    margin-bottom: 4px;
}
.tool-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: .97rem; font-weight: 700;
    color: var(--ink); letter-spacing: 0;
}
.tool-card p {
    font-size: .82rem;
    color: var(--muted);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.badge-new, .badge-hot {
    position: absolute; top: 12px; right: 12px;
    font-size: .65rem; font-weight: 800;
    letter-spacing: 0; text-transform: uppercase;
    padding: 2px 8px; border-radius: 8px; color: #fff;
}
.badge-new { background: var(--new-badge); }
.badge-hot { background: var(--red); }

/* ── MODAL ── */
.modal {
    display: none; position: fixed; inset: 0;
    z-index: 2000; background: rgba(15,14,14,.55);
    backdrop-filter: blur(4px);
    animation: fadeIn .2s ease;
}
.modal-box {
    background: var(--surface);
    border-radius: 16px;
    width: 94%; max-width: 780px;
    margin: 4vh auto; max-height: 90vh;
    display: flex; flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,.22);
    overflow: hidden;
}
.modal-head {
    padding: 20px 24px;
    border-bottom: 1px solid var(--line);
    display: flex; align-items: center; gap: 14px;
}
.modal-head-icon {
    font-size: 1.6rem;
    width: 46px; height: 46px;
    background: var(--bg); border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.modal-head h2 {
    font-family: 'Syne', sans-serif;
    font-size: 1.15rem; font-weight: 800;
    color: var(--ink); letter-spacing: 0;
    flex: 1;
}
.close-btn {
    width: 32px; height: 32px; border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg); border: none; cursor: pointer;
    font-size: 1.2rem; color: var(--muted);
    transition: background .15s, color .15s;
}
.close-btn:hover { background: var(--line); color: var(--ink); }
.modal-body { padding: 24px; overflow-y: auto; flex: 1; }

/* Drop zone */
#drop-zone {
    border: 2px dashed var(--line);
    border-radius: var(--radius);
    padding: 36px 20px;
    text-align: center;
    cursor: pointer;
    transition: background .2s, border-color .2s;
    background: var(--bg);
}
#drop-zone.dragover { background: rgba(229,50,45,.05); border-color: var(--red); }
.dz-icon { font-size: 2rem; margin-bottom: 10px; }
#drop-zone p { font-size: .9rem; color: var(--muted); margin-bottom: 14px; }
.upload-btn {
    display: inline-block;
    padding: 9px 22px; border-radius: 8px;
    background: var(--ink); color: #fff;
    border: none; cursor: pointer;
    font-size: .88rem; font-weight: 600;
    transition: background .2s;
}
.upload-btn:hover { background: var(--red); }

/* File list */
#file-list { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.file-item {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 14px;
    background: var(--bg); border-radius: 8px;
    border: 1px solid var(--line);
}
.file-item-name {
    flex: 1; font-size: .85rem; font-weight: 500;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.remove-file-btn {
    background: none; border: none; cursor: pointer;
    color: var(--muted); font-size: 1.1rem;
    transition: color .15s;
    line-height: 1;
}
.remove-file-btn:hover { color: var(--red); }

/* Options */
#tool-options { margin-top: 20px; }
.option-group { margin-bottom: 14px; }
.option-group label {
    display: block; font-size: .83rem;
    font-weight: 600; color: var(--ink-soft);
    margin-bottom: 6px;
}
.option-group input, .option-group select, .option-group textarea {
    width: 100%; padding: 9px 12px;
    border-radius: 8px; border: 1.5px solid var(--line);
    font-size: .9rem; font-family: inherit;
    background: var(--bg);
    transition: border-color .2s;
    outline: none;
}
.option-group input:focus, .option-group select:focus { border-color: var(--red); }
.option-group input[type=range] { padding: 4px 0; background: transparent; border: none; }
.range-row { display: flex; align-items: center; gap: 10px; }
.range-row input[type=range] { flex: 1; accent-color: var(--red); }
.range-val {
    min-width: 36px; text-align: right;
    font-size: .85rem; font-weight: 600; color: var(--red);
}

/* Process btn */
#process-btn {
    width: 100%; margin-top: 22px;
    padding: 14px; border: none; border-radius: 10px;
    font-size: 1rem; font-weight: 700;
    font-family: 'Syne', sans-serif;
    letter-spacing: 0;
    background: var(--red); color: #fff;
    cursor: pointer; transition: background .2s, opacity .2s;
}
#process-btn:hover { background: var(--red-dark); }
#process-btn:disabled { opacity: .35; cursor: not-allowed; }

/* Output */
#output-area { margin-top: 20px; }
.dl-btn {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 20px; border-radius: 10px;
    background: #1a9e5c; color: #fff;
    text-decoration: none; font-weight: 700;
    font-size: .95rem;
    transition: background .2s; margin-bottom: 10px;
}
.dl-btn:hover { background: #158048; }
.dl-btn-secondary { background: var(--ink); }
.dl-btn-secondary:hover { background: #333; }

/* Preview table (for table extractor) */
.preview-wrap {
    margin-top: 18px;
    border: 1.5px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}
.preview-label {
    padding: 8px 14px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    font-size: .78rem; font-weight: 700;
    color: var(--muted); letter-spacing: 0;
    text-transform: uppercase;
    display: flex; align-items: center; justify-content: space-between;
}
.preview-scroll { overflow-x: auto; max-height: 280px; overflow-y: auto; }
.preview-scroll table {
    border-collapse: collapse; font-size: .8rem;
    min-width: 100%; white-space: nowrap;
}
.preview-scroll th {
    background: var(--bg);
    border: 1px solid var(--line);
    padding: 7px 12px; font-weight: 700;
    color: var(--ink); position: sticky; top: 0;
}
.preview-scroll td {
    border: 1px solid var(--line);
    padding: 6px 12px; color: var(--ink-soft);
}
.preview-scroll tr:nth-child(even) td { background: #fafaf8; }

/* table nav pills */
.table-nav {
    display: flex; gap: 6px; flex-wrap: wrap;
    margin-bottom: 10px;
}
.tbl-pill {
    padding: 4px 12px; border-radius: 20px; cursor: pointer;
    border: 1.5px solid var(--line);
    font-size: .78rem; font-weight: 600;
    background: var(--surface); color: var(--muted);
    transition: all .15s;
}
.tbl-pill.active {
    background: var(--red); border-color: var(--red); color: #fff;
}

/* ── PDF PREVIEW PANEL ── */
#pdf-preview-panel {
    margin-top: 18px;
    border: 1.5px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface);
    display: none;
}
.preview-panel-head {
    padding: 10px 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    display: flex; align-items: center; justify-content: space-between;
    gap: 10px; flex-wrap: wrap;
}
.preview-panel-title {
    font-size: .78rem; font-weight: 700;
    color: var(--muted); letter-spacing: 0;
    text-transform: uppercase;
    display: flex; align-items: center; gap: 6px;
}
.preview-panel-title span { color: var(--red); }
.preview-nav {
    display: flex; align-items: center; gap: 8px;
}
.preview-nav-btn {
    width: 30px; height: 30px; border-radius: 7px;
    border: 1.5px solid var(--line);
    background: var(--surface); cursor: pointer;
    font-size: .9rem; display: flex; align-items: center; justify-content: center;
    transition: all .15s; color: var(--ink-soft);
}
.preview-nav-btn:hover:not(:disabled) { background: var(--red); border-color: var(--red); color: #fff; }
.preview-nav-btn:disabled { opacity: .3; cursor: not-allowed; }
.preview-page-info {
    font-size: .82rem; font-weight: 600; color: var(--ink-soft);
    min-width: 70px; text-align: center;
}
.preview-canvas-wrap {
    display: flex; justify-content: center; align-items: flex-start;
    padding: 16px;
    background: #e8e6e3;
    min-height: 200px;
    position: relative;
    overflow: auto;
    max-height: 420px;
}
#pdf-preview-canvas {
    border-radius: 4px;
    box-shadow: 0 4px 24px rgba(0,0,0,.22);
    max-width: 100%;
    display: block;
}
.preview-loading {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    flex-direction: column; gap: 10px;
    background: #e8e6e3;
}
.preview-loading .mini-spin {
    width: 28px; height: 28px;
    border: 3px solid rgba(0,0,0,.12);
    border-top-color: var(--red);
    border-radius: 50%;
    animation: spin .8s linear infinite;
}
.preview-loading p { font-size: .8rem; color: var(--muted); }
.preview-thumb-strip {
    display: flex; gap: 8px; padding: 10px 14px;
    overflow-x: auto; border-top: 1px solid var(--line);
    background: var(--bg);
}
.preview-thumb {
    flex-shrink: 0; cursor: pointer;
    border: 2px solid transparent;
    border-radius: 5px; overflow: hidden;
    transition: border-color .15s, transform .15s;
    position: relative;
}
.preview-thumb:hover { transform: translateY(-2px); }
.preview-thumb.active { border-color: var(--red); }
.preview-thumb canvas { display: block; height: 72px; width: auto; }
.preview-thumb .pg-num {
    position: absolute; bottom: 0; left: 0; right: 0;
    text-align: center; font-size: .6rem; font-weight: 700;
    background: rgba(0,0,0,.55); color: #fff; padding: 1px 0;
}

/* Loader */
#loader-overlay {
    display: none; position: fixed; inset: 0; z-index: 3000;
    background: rgba(255,255,255,.85);
    backdrop-filter: blur(6px);
    justify-content: center; align-items: center; flex-direction: column;
}
.spinner {
    width: 48px; height: 48px;
    border-radius: 50%;
    border: 4px solid var(--line);
    border-top-color: var(--red);
    animation: spin 0.9s linear infinite;
}
#loader-text { margin-top: 18px; font-size: .95rem; font-weight: 600; color: var(--ink); }

/* Footer */
footer {
    background: var(--ink); color: rgba(255,255,255,.45);
    text-align: center; padding: 28px 20px;
    font-size: .82rem;
}
footer strong { color: rgba(255,255,255,.7); }

/* Toast */
.toast {
    position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
    background: var(--ink); color: #fff;
    padding: 10px 22px; border-radius: 100px;
    font-size: .88rem; font-weight: 500;
    z-index: 9999; opacity: 0;
    transition: opacity .25s;
    pointer-events: none;
}
.toast.show { opacity: 1; }

@keyframes fadeIn { from { opacity:0 } to { opacity:1 } }
@keyframes spin { to { transform: rotate(360deg) } }

@media (max-width: 768px) {
    .hero h1 { letter-spacing: 0; }
    .tools-grid { grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); gap: 12px; }
    .tool-card { padding: 18px 14px 16px; }
    .nav-links {
        position: fixed; inset: 0; background: var(--surface);
        flex-direction: column; justify-content: center; align-items: center;
        gap: 32px; left: -100%; transition: left .3s;
    }
    .nav-links.active { left: 0; }
    .nav-links a { font-size: 1.4rem; }
    .hamburger { display: block; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}