/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --bg: #f1f5f9;
    --card: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --success: #16a34a;
    --danger: #dc2626;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans TC", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* === Header === */
header {
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    color: white;
    padding: 32px 0;
    text-align: center;
}
header h1 { font-size: 2rem; font-weight: 700; }
header .subtitle { opacity: 0.9; margin-top: 6px; font-size: 1rem; }

/* === Cards === */
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-top: 24px;
}
.card h2 { font-size: 1.25rem; margin-bottom: 16px; color: var(--text); }
.card h3 { font-size: 1.1rem; margin: 16px 0 12px; }

/* === Type Selector === */
.type-tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.tab {
    padding: 8px 20px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}
.tab:hover { border-color: var(--primary); color: var(--primary); }
.tab.active { background: var(--primary); color: white; border-color: var(--primary); }

.type-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.type-card {
    padding: 14px;
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}
.type-card:hover { border-color: var(--primary); background: #f8fafc; }
.type-card.selected { border-color: var(--primary); background: #eff6ff; }
.type-card .type-name { font-weight: 600; font-size: 0.95rem; }
.type-card .type-desc { font-size: 0.8rem; color: var(--text-light); margin-top: 4px; }
.type-card .type-badge {
    display: inline-block;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 4px;
    background: #e0e7ff;
    color: var(--primary);
    margin-top: 6px;
}

/* === Forms === */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-weight: 500; margin-bottom: 4px; font-size: 0.9rem; }
.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}
.form-input:focus { outline: none; border-color: var(--primary); }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.hint { display: block; color: var(--text-light); font-size: 0.8rem; margin-top: 4px; }
select.form-input { cursor: pointer; }
input[type="range"] { width: 100%; cursor: pointer; }

/* === Input Mode Tabs === */
.input-mode-tabs { display: flex; gap: 4px; margin-bottom: 14px; background: #f1f5f9; border-radius: 8px; padding: 4px; }
.mode-tab {
    flex: 1;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-light);
    transition: all 0.2s;
}
.mode-tab:hover { color: var(--text); }
.mode-tab.active { background: white; color: var(--primary); box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
.form-input-lg { font-size: 1.1rem; padding: 12px 16px; font-family: monospace; letter-spacing: 0.5px; }
#rawParseResult { margin-top: 10px; }
.raw-parse-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; margin-top: 8px; }
.raw-parse-table th { background: #f1f5f9; padding: 6px 10px; text-align: left; font-weight: 600; }
.raw-parse-table td { padding: 6px 10px; border-bottom: 1px solid var(--border); }
.raw-parse-table .ai-code { font-family: monospace; font-weight: 600; color: var(--primary); }

/* === AI Fields === */
.ai-toolbar { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.ai-field-row {
    display: grid;
    grid-template-columns: 180px 1fr auto;
    gap: 10px;
    align-items: start;
    margin-bottom: 10px;
    padding: 12px;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid var(--border);
}
.ai-field-row select { padding: 8px 10px; border: 2px solid var(--border); border-radius: 6px; font-size: 0.9rem; }
.ai-field-row input { padding: 8px 10px; border: 2px solid var(--border); border-radius: 6px; font-size: 0.9rem; width: 100%; }
.ai-field-row .remove-ai {
    background: var(--danger);
    color: white;
    border: none;
    width: 32px;
    height: 36px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.ai-field-info { font-size: 0.75rem; color: var(--text-light); margin-top: 4px; grid-column: 1 / -1; }

/* === Template Menu === */
.template-menu {
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    margin-bottom: 12px;
    overflow: hidden;
}
.template-item {
    padding: 10px 16px;
    cursor: pointer;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}
.template-item:last-child { border-bottom: none; }
.template-item:hover { background: #eff6ff; }

/* === Encoded Preview === */
.encoded-preview {
    margin-top: 12px;
    padding: 10px 14px;
    background: #1e293b;
    border-radius: 8px;
    color: #94a3b8;
    font-size: 0.85rem;
}
.encoded-preview code { color: #38bdf8; word-break: break-all; }

/* === Buttons === */
.btn {
    padding: 8px 18px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: white;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}
.btn:hover { background: #f8fafc; }
.btn-primary { background: var(--primary); color: white; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: #eff6ff; }
.btn-sm { font-size: 0.8rem; padding: 6px 14px; }
.btn-lg { padding: 12px 32px; font-size: 1.05rem; }

.action-bar {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 24px;
}

/* === Result === */
.result-section { text-align: center; }
.barcode-output {
    padding: 24px;
    background: white;
    border: 2px dashed var(--border);
    border-radius: 8px;
    margin-bottom: 16px;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.barcode-output canvas, .barcode-output svg { max-width: 100%; height: auto; }
.result-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.error-msg { color: var(--danger); padding: 12px; background: #fef2f2; border-radius: 8px; }

/* === Label Preview === */
.label-preview-section { border-top: 1px solid var(--border); padding-top: 20px; text-align: left; }
.label-preview {
    margin-top: 12px;
    display: flex;
    justify-content: center;
}
.label-box {
    border: 2px solid #333;
    background: white;
    padding: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
}
.label-box .label-product-name { font-weight: 700; font-size: 12px; }
.label-box .label-extra { font-size: 10px; color: #666; }
.label-box canvas, .label-box img { max-width: 90%; height: auto; }

/* === AI Table === */
.search-box { margin-bottom: 12px; }
.ai-table-wrapper { overflow-x: auto; max-height: 400px; overflow-y: auto; }
.ai-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.ai-table th {
    position: sticky;
    top: 0;
    background: var(--primary);
    color: white;
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
}
.ai-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); }
.ai-table tr:hover td { background: #f8fafc; }
.ai-table .ai-code { font-family: monospace; font-weight: 600; color: var(--primary); }

/* === Verification === */
.verify-section { border-top: 1px solid var(--border); padding-top: 20px; text-align: left; margin-bottom: 20px; }
.verify-report-card {
    border: 2px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 12px;
}
.verify-header {
    padding: 12px 16px;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.verify-header.pass { background: #f0fdf4; color: #15803d; border-bottom: 2px solid #bbf7d0; }
.verify-header.fail { background: #fef2f2; color: #b91c1c; border-bottom: 2px solid #fecaca; }
.verify-header.warn { background: #fffbeb; color: #a16207; border-bottom: 2px solid #fde68a; }
.verify-items { padding: 8px 0; }
.verify-item {
    padding: 6px 16px;
    font-size: 0.85rem;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    border-bottom: 1px solid #f1f5f9;
}
.verify-item:last-child { border-bottom: none; }
.verify-icon { flex-shrink: 0; width: 20px; text-align: center; font-size: 0.9rem; }
.verify-icon.pass { color: var(--success); }
.verify-icon.fail { color: var(--danger); }
.verify-icon.warn { color: #d97706; }
.verify-item-text { flex: 1; }
.verify-item-detail { color: var(--text-light); font-size: 0.8rem; margin-top: 2px; }
.verify-summary {
    display: flex;
    gap: 16px;
    padding: 12px 16px;
    background: #f8fafc;
    border-radius: 8px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    flex-wrap: wrap;
}
.verify-summary .score {
    font-size: 1.5rem;
    font-weight: 700;
}
.verify-summary .score.pass { color: var(--success); }
.verify-summary .score.fail { color: var(--danger); }
.verify-summary .score.warn { color: #d97706; }
.verify-external {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
    font-size: 0.85rem;
}
.verify-external a { text-decoration: none; }

/* === Footer === */
footer {
    text-align: center;
    padding: 24px 0;
    margin-top: 40px;
    color: var(--text-light);
    font-size: 0.85rem;
}

/* === Responsive === */
@media (max-width: 768px) {
    header h1 { font-size: 1.5rem; }
    .type-grid { grid-template-columns: 1fr 1fr; }
    .ai-field-row { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .type-grid { grid-template-columns: 1fr; }
    .type-tabs { flex-direction: column; }
}

/* === Print === */
@media print {
    header, footer, .type-selector, #inputSection, #styleSection,
    .action-bar, .result-actions, .label-preview-section,
    #aiReferenceSection, .search-box { display: none !important; }
    .result-section { box-shadow: none; margin: 0; padding: 0; }
    .barcode-output { border: none; }
}