/* ─── IMG-ATDB Global Styles ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:          #0b0b14;
    --bg-card:     rgba(255,255,255,.04);
    --bg-card-h:   rgba(255,255,255,.07);
    --border:      rgba(255,255,255,.08);
    --border-h:    rgba(108,99,255,.35);
    --accent:      #6c63ff;
    --accent-h:    #8b84ff;
    --accent-2:    #ff6584;
    --text:        #e0e0f0;
    --text-muted:  rgba(255,255,255,.45);
    --green:       #5af5a0;
    --danger:      #ff5f5f;
    --radius:      14px;
    --radius-sm:   8px;
    --shadow:      0 20px 60px rgba(0,0,0,.4);
    --transition:  .22s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ─── Header ─────────────────────────────────────────────────────────────── */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(11,11,20,.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-icon { font-size: 28px; }
.brand-name { font-size: 18px; font-weight: 800; color: #fff; letter-spacing: -.3px; }
.brand-tag { display: block; font-size: 11px; color: var(--text-muted); margin-top: -2px; }
.header-nav { display: flex; align-items: center; gap: 6px; }
.header-nav a {
    color: var(--text-muted); text-decoration: none; padding: 8px 14px;
    border-radius: var(--radius-sm); font-size: 14px; transition: var(--transition);
}
.header-nav a:hover { color: #fff; background: rgba(255,255,255,.06); }
.admin-link { border: 1px solid var(--border) !important; }
.admin-link:hover { border-color: var(--accent) !important; color: var(--accent) !important; }

/* ─── Hero ───────────────────────────────────────────────────────────────── */
.hero {
    padding: 72px 0 48px;
    text-align: center;
    background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(108,99,255,.25), transparent);
}
.hero-badge {
    display: inline-block; background: rgba(108,99,255,.18);
    border: 1px solid rgba(108,99,255,.35); border-radius: 20px;
    padding: 5px 16px; font-size: 13px; color: var(--accent-h); margin-bottom: 20px;
}
.hero-title {
    font-size: clamp(36px, 6vw, 60px); font-weight: 800;
    color: #fff; line-height: 1.15; letter-spacing: -1.5px; margin-bottom: 16px;
}
.gradient-text {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-subtitle { color: var(--text-muted); font-size: 16px; max-width: 600px; margin: 0 auto; }

/* ─── Upload Zone ────────────────────────────────────────────────────────── */
.app-section { padding: 16px 0 60px; }
.upload-zone {
    background: var(--bg-card);
    border: 2px dashed var(--border);
    border-radius: 20px; padding: 40px;
    text-align: center; transition: var(--transition);
    position: relative; overflow: hidden;
}
.upload-zone.drag-over {
    border-color: var(--accent); background: rgba(108,99,255,.08);
    box-shadow: 0 0 40px rgba(108,99,255,.2);
}
.upload-icon { font-size: 48px; margin-bottom: 12px; }
.upload-title { font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.upload-sub { color: var(--text-muted); font-size: 13px; margin-bottom: 24px; }
.upload-actions { margin-bottom: 16px; }
.email-row { max-width: 420px; margin: 0 auto; }
.email-row input {
    width: 100%; padding: 12px 18px; background: rgba(255,255,255,.06);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    color: #fff; font-size: 14px; font-family: inherit; outline: none; transition: var(--transition);
}
.email-row input:focus { border-color: var(--accent); background: rgba(108,99,255,.08); }
.upload-progress-wrap { padding: 20px 0; }
.progress-bar-track { background: rgba(255,255,255,.1); border-radius: 99px; height: 8px; overflow: hidden; }
.progress-bar-fill {
    height: 100%; width: 0; border-radius: 99px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    transition: width .3s ease;
}
.progress-label { color: var(--text-muted); font-size: 13px; margin-top: 10px; }

/* ─── Tool Panel ─────────────────────────────────────────────────────────── */
.tool-panel { margin-top: 24px; }
.file-badge {
    display: inline-block; background: rgba(90,245,160,.12);
    border: 1px solid rgba(90,245,160,.25); border-radius: 20px;
    padding: 5px 14px; font-size: 13px; color: var(--green); margin-bottom: 16px;
}
.tabs-nav { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 20px; }
.tab-btn {
    padding: 9px 16px; border-radius: var(--radius-sm);
    border: 1px solid var(--border); background: transparent;
    color: var(--text-muted); font-size: 13px; font-family: inherit;
    cursor: pointer; transition: var(--transition);
}
.tab-btn:hover { color: #fff; border-color: rgba(255,255,255,.2); }
.tab-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.tab-pane { display: none; animation: fadeIn .2s ease; }
.tab-pane.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.tab-pane h3 { font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 20px; }
.tab-pane h4 { font-size: 14px; font-weight: 600; color: rgba(255,255,255,.7); margin-bottom: 12px; }

/* ─── Forms ──────────────────────────────────────────────────────────────── */
.form-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.form-group { display: flex; flex-direction: column; flex: 1; min-width: 140px; gap: 6px; }
.form-group label { font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); }
.form-group input, .form-group select, .form-group textarea {
    padding: 10px 14px; background: rgba(255,255,255,.06);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    color: #fff; font-size: 14px; font-family: inherit; outline: none; transition: var(--transition);
}
.form-group input:focus, .form-group select:focus { border-color: var(--accent); }
.form-group input[type=range] { padding: 6px 0; background: transparent; border: none; }
select option { background: #1a1a2e; }

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 11px 22px; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 600; font-family: inherit; cursor: pointer;
    border: none; transition: var(--transition); text-decoration: none;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), #4b44cc);
    color: #fff; box-shadow: 0 4px 18px rgba(108,99,255,.35);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(108,99,255,.5); }
.btn-danger { background: rgba(255,95,95,.2); color: #ff8888; border: 1px solid rgba(255,95,95,.3); }
.btn-danger:hover { background: rgba(255,95,95,.35); }
.btn-ghost { background: rgba(255,255,255,.06); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.2); }
.btn-danger-ghost { background: rgba(255,95,95,.08); color: #ff8888; border: 1px solid rgba(255,95,95,.2); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }

/* ─── Result Box ──────────────────────────────────────────────────────────── */
.result-box {
    margin-top: 16px; background: rgba(255,255,255,.04);
    border: 1px solid var(--border); border-radius: var(--radius);
    padding: 18px 20px;
}
.result-box.success { border-color: rgba(90,245,160,.3); background: rgba(90,245,160,.06); }
.result-box.error   { border-color: rgba(255,95,95,.3);  background: rgba(255,95,95,.06); }
.download-link {
    display: inline-flex; align-items: center; gap: 8px;
    background: linear-gradient(135deg, var(--accent), #4b44cc);
    color: #fff; padding: 11px 22px; border-radius: var(--radius-sm);
    text-decoration: none; font-weight: 600; transition: var(--transition); margin-top: 10px;
}
.download-link:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(108,99,255,.4); }

/* ─── Edit Ops ────────────────────────────────────────────────────────────── */
.ops-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px; margin-bottom: 20px;
}
.op-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px; text-align: center;
    transition: var(--transition);
}
.op-card:hover { border-color: var(--border-h); }
.op-icon { font-size: 24px; margin-bottom: 8px; }
.op-label { font-size: 13px; font-weight: 600; color: rgba(255,255,255,.8); margin-bottom: 10px; }
.op-slider { width: 100%; margin-bottom: 4px; }
.op-val { font-size: 12px; color: var(--text-muted); }
.op-select { width: 100%; }

/* Toggle switch */
.toggle { display: inline-flex; align-items: center; }
.toggle input { display: none; }
.toggle-slider {
    width: 38px; height: 20px; background: rgba(255,255,255,.15); border-radius: 10px;
    position: relative; cursor: pointer; transition: var(--transition);
}
.toggle-slider::after {
    content: ''; width: 14px; height: 14px; background: #fff; border-radius: 50%;
    position: absolute; top: 3px; left: 3px; transition: var(--transition);
}
.toggle input:checked + .toggle-slider { background: var(--accent); }
.toggle input:checked + .toggle-slider::after { left: 21px; }

/* Crop section */
.crop-section {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px; margin-bottom: 16px;
}

/* Ops Queue */
.ops-queue {
    background: rgba(108,99,255,.07); border: 1px solid rgba(108,99,255,.2);
    border-radius: var(--radius); padding: 14px; margin-bottom: 16px;
}
.ops-queue h4 { color: var(--accent-h); margin-bottom: 10px; }
.op-queue-item {
    display: flex; align-items: center; justify-content: space-between;
    background: rgba(255,255,255,.04); border-radius: var(--radius-sm);
    padding: 7px 12px; margin-bottom: 6px; font-size: 13px;
}
.op-queue-item button { background: none; border: none; color: #ff8888; cursor: pointer; font-size: 16px; }

/* ─── EXIF Styles ─────────────────────────────────────────────────────────── */
.exif-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.alert-danger {
    background: rgba(255,95,95,.1); border: 1px solid rgba(255,95,95,.25);
    border-radius: var(--radius-sm); padding: 12px 16px; margin-bottom: 16px;
    color: #ff9999; display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.exif-container { display: flex; flex-direction: column; gap: 12px; }
.exif-group {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); overflow: hidden;
}
.exif-group-title {
    background: rgba(255,255,255,.04); padding: 10px 16px;
    font-size: 13px; font-weight: 600; color: rgba(255,255,255,.6);
    cursor: pointer; display: flex; justify-content: space-between;
}
.exif-group-body { padding: 8px 0; }
.exif-row {
    display: grid; grid-template-columns: 240px 1fr;
    padding: 6px 16px; font-size: 13px; gap: 12px; border-bottom: 1px solid rgba(255,255,255,.04);
}
.exif-row:last-child { border-bottom: none; }
.exif-key { color: var(--text-muted); font-family: monospace; word-break: break-all; }
.exif-val { color: var(--text); word-break: break-all; }
.exif-val.risk { color: #ff9b9b; }

/* ─── OCR ────────────────────────────────────────────────────────────────── */
.text-sections { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media(max-width:700px){.text-sections{grid-template-columns:1fr}}
.text-section {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px;
}
.ocr-result { margin-top: 14px; }
.ocr-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; color: var(--text-muted); font-size: 13px; }
.ocr-textarea {
    width: 100%; background: rgba(0,0,0,.3); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 12px; color: var(--text);
    font-family: monospace; font-size: 13px; resize: vertical; outline: none;
}

/* ─── Export ──────────────────────────────────────────────────────────────── */
.export-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 24px; }
@media(max-width:600px){.export-grid{grid-template-columns:1fr}}
.export-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 24px; text-align: center;
    cursor: pointer; transition: var(--transition);
}
.export-card:hover { border-color: var(--border-h); transform: translateY(-2px); background: var(--bg-card-h); }
.export-icon { font-size: 32px; margin-bottom: 10px; }
.export-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.export-sub { font-size: 12px; color: var(--text-muted); }
.send-link-section {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px;
}
.send-link-section h4 { color: rgba(255,255,255,.7); margin-bottom: 14px; }
.send-link-section .form-row { margin-bottom: 0; }

/* ─── History ────────────────────────────────────────────────────────────── */
.tab-hint { color: var(--text-muted); font-size: 13px; margin-bottom: 16px; }
.history-list { display: flex; flex-direction: column; gap: 10px; }
.placeholder-text { color: var(--text-muted); text-align: center; padding: 40px; }
.history-item {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px 20px;
    display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    transition: var(--transition);
}
.history-item:hover { border-color: var(--border-h); }
.history-item-info { flex: 1; }
.history-filename { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 4px; }
.history-meta { font-size: 12px; color: var(--text-muted); display: flex; gap: 14px; flex-wrap: wrap; }
.history-expiry { color: var(--green); }
.history-expiry.soon { color: #ffa500; }
.history-expiry.expired { color: var(--danger); }
.history-actions { display: flex; gap: 8px; }

/* ─── Features ───────────────────────────────────────────────────────────── */
.features-section { padding: 60px 0; }
.section-title {
    font-size: 32px; font-weight: 800; color: #fff;
    text-align: center; margin-bottom: 40px; letter-spacing: -.5px;
}
.features-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}
.feature-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 24px; transition: var(--transition);
}
.feature-card:hover { transform: translateY(-3px); border-color: var(--border-h); }
.feature-icon { font-size: 30px; margin-bottom: 14px; }
.feature-card h3 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 14px; line-height: 1.65; }

/* ─── Footer ──────────────────────────────────────────────────────────────── */
.site-footer {
    background: rgba(255,255,255,.02); border-top: 1px solid var(--border);
    padding: 40px 0 30px;
}
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 24px; text-align: center; }
.footer-brand .brand-name { font-size: 20px; font-weight: 800; color: #fff; display: block; margin-bottom: 4px; }
.footer-brand span { color: var(--text-muted); font-size: 13px; }
.footer-stats { display: flex; gap: 40px; }
.fstat { text-align: center; }
.fstat-num { font-size: 28px; font-weight: 800; background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.fstat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; text-transform: uppercase; letter-spacing: .5px; }
.footer-copy { color: var(--text-muted); font-size: 13px; }

/* ─── Advanced Tab ───────────────────────────────────────────────────────────── */
.adv-section {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 22px 24px;
    margin-bottom: 22px;
}
.adv-section h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 0 0 6px;
    color: #fff;
}
.adv-section .tab-hint {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 16px;
}
.skew-wrap {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
}
.skew-wrap canvas { display: block; }
.pdf-upload-area {
    border: 2px dashed var(--primary);
    border-radius: 14px;
    background: rgba(108,99,255,.06);
    transition: background .2s;
}
.pdf-upload-area.drag-over {
    background: rgba(108,99,255,.18);
    border-color: var(--primary-light, #9d96ff);
}
.toggle-label {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,.7);
    font-size: 14px;
    cursor: pointer;
}
.override-input {
    background: rgba(255,255,255,.06);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: #fff;
    padding: 8px 12px;
    font-size: 13px;
    outline: none;
}
.override-input:focus { border-color: var(--primary); }

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media(max-width:768px){
    .header-nav a:not(.admin-link){display:none}
    .hero-title{font-size:32px}
    .form-row{flex-direction:column}
    .ops-grid{grid-template-columns:repeat(2,1fr)}
    .footer-stats{gap:20px}
    .fstat-num{font-size:22px}
    .adv-section{padding:16px}
}