/* ── Variables ─────────────────────────────────────────────────────────────── */
:root {
    --color-accent: #6366f1; --color-accent-dk: #4f46e5; --color-accent-soft: #eef2ff;
    --color-bg: #f9fafb; --color-surface: #ffffff;
    --color-border: #e5e7eb; --color-border-lt: #f3f4f6;
    --color-text: #111827; --color-text-sec: #374151; --color-muted: #6b7280;
    --color-success: #059669; --color-success-bg: #ecfdf5;
    --color-warning: #d97706; --color-warning-bg: #fffbeb;
    --color-error: #dc2626; --color-error-bg: #fef2f2;
    --color-best: #ecfdf5; --color-best-text: #047857;
    --radius: 12px; --radius-sm: 8px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,.04);
    --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,.05), 0 2px 4px rgba(0,0,0,.04);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ── Reset & Base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: var(--font-sans); font-size: 15px; line-height: 1.6;
    background: var(--color-bg); color: var(--color-text);
    -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-dk); }
h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.025em; }
h2 { font-size: 1.25rem; font-weight: 600; letter-spacing: -0.02em; }
h3 { font-size: 1.1rem; font-weight: 600; }

/* ── Layout ────────────────────────────────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ── Header ────────────────────────────────────────────────────────────────── */
.site-header {
    background: var(--color-surface); border-bottom: 1px solid var(--color-border);
    padding: 16px 0; margin-bottom: 32px;
}
.header-brand { display: flex; align-items: center; gap: 10px; }
.header-brand .brand-icon { color: var(--color-accent); flex-shrink: 0; }
.header-brand h1 { font-size: 1.25rem; }
.header-brand h1 a { color: var(--color-text); }
.header-brand h1 a:hover { color: var(--color-accent); }
.header-brand .subtitle { font-size: .85rem; color: var(--color-muted); margin-top: 1px; }

.admin-nav { margin-top: 10px; display: flex; gap: 6px; flex-wrap: wrap; }
.admin-nav a {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 5px 12px; border-radius: 6px; font-size: .84rem; font-weight: 500;
    color: var(--color-muted); transition: background .15s, color .15s;
}
.admin-nav a:hover, .admin-nav a.active { background: var(--color-bg); color: var(--color-text); }
.admin-nav a svg { flex-shrink: 0; }

/* ── Cards ─────────────────────────────────────────────────────────────────── */
.search-card, .stats-card {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-xs); margin-bottom: 24px;
}
.search-card h2, .stats-card h3 { margin-bottom: 20px; }

/* ── Form ──────────────────────────────────────────────────────────────────── */
.search-form { display: flex; flex-wrap: wrap; gap: 18px; align-items: flex-end; }
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label {
    display: inline-flex; align-items: center; gap: 5px;
    font-size: .82rem; font-weight: 500; color: var(--color-muted);
    text-transform: uppercase; letter-spacing: .03em;
}
.form-row label svg { color: var(--color-muted); flex-shrink: 0; }
.form-row input, .form-row select {
    height: 44px; padding: 0 14px;
    border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    font-family: var(--font-sans); font-size: .93rem; color: var(--color-text);
    background: var(--color-surface); transition: border-color .15s, box-shadow .15s;
}
.form-row input:focus, .form-row select:focus {
    outline: none; border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    height: 44px; padding: 0 22px; border-radius: var(--radius-sm);
    font-family: var(--font-sans); font-size: .9rem; font-weight: 500;
    cursor: pointer; border: 1px solid transparent; text-decoration: none;
    transition: background .15s, border-color .15s, box-shadow .15s;
}
.btn svg { flex-shrink: 0; }
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-dk); color: #fff; }
.btn-outline { background: var(--color-surface); border-color: var(--color-border); color: var(--color-text-sec); }
.btn-outline:hover { background: var(--color-bg); border-color: #d1d5db; color: var(--color-text); }
.btn-sm { height: 36px; padding: 0 14px; font-size: .82rem; }

/* ── Info / Error / Success boxes ──────────────────────────────────────────── */
.info-box, .error-box, .success-box {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 16px 20px; border-radius: var(--radius-sm);
    margin-bottom: 20px; font-size: .9rem; line-height: 1.5;
}
.info-box svg, .error-box svg, .success-box svg { flex-shrink: 0; margin-top: 1px; }
.info-box    { background: var(--color-accent-soft); border: 1px solid #c7d2fe; color: #3730a3; }
.error-box   { background: var(--color-error-bg); border: 1px solid #fecaca; color: var(--color-error); }
.success-box { background: var(--color-success-bg); border: 1px solid #a7f3d0; color: var(--color-success); }

/* ── Results header ────────────────────────────────────────────────────────── */
.back-link {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: .87rem; font-weight: 500; color: var(--color-muted); margin-bottom: 16px;
}
.back-link:hover { color: var(--color-accent); }
.results-header {
    display: flex; justify-content: space-between; align-items: flex-start;
    flex-wrap: wrap; gap: 12px; margin-bottom: 20px;
}
.results-header h2 { font-size: 1.3rem; }
.results-meta { color: var(--color-muted); font-size: .9rem; margin-top: 4px; }
.export-buttons { display: flex; gap: 8px; }

/* ── Price table ───────────────────────────────────────────────────────────── */
.table-wrapper {
    overflow-x: auto; margin-bottom: 20px;
    border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: var(--shadow-xs);
}
.price-table { width: 100%; border-collapse: collapse; background: var(--color-surface); }
.price-table th, .price-table td {
    padding: 12px 16px; text-align: right;
    border-bottom: 1px solid var(--color-border-lt); font-size: .9rem;
}
.price-table th {
    background: var(--color-bg); color: var(--color-muted);
    font-size: .78rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: .04em; border-bottom: 1px solid var(--color-border);
}
.price-table td.category-name {
    text-align: left; font-weight: 600; white-space: nowrap; color: var(--color-text);
}
.price-table tr:last-child td { border-bottom: none; }
.price-table tbody tr:nth-child(even) td { background: #fafafa; }
.price-table tbody tr:hover td { background: #f3f4f6; }

.price { font-weight: 600; white-space: nowrap; }
.price-best {
    background: var(--color-best); color: var(--color-best-text);
    padding: 3px 8px; border-radius: 6px; font-weight: 700;
}
.price-na { color: var(--color-muted); }
.model-hint { display: block; font-size: .75rem; color: var(--color-muted); font-weight: 400; margin-top: 2px; }
.price-best-legend {
    background: var(--color-best); color: var(--color-best-text);
    padding: 2px 7px; border-radius: 4px; font-weight: 600; font-size: .82rem;
}
.disclaimer {
    display: flex; align-items: flex-start; gap: 8px;
    font-size: .82rem; color: var(--color-muted); margin-bottom: 20px; line-height: 1.5;
}
.disclaimer svg { flex-shrink: 0; margin-top: 1px; }

/* ── Empty state ──────────────────────────────────────────────────────────── */
.empty-state { text-align: center; padding: 48px 24px; }
.empty-state svg { color: var(--color-muted); margin-bottom: 12px; }
.empty-state p { color: var(--color-muted); font-size: .95rem; }

/* ── Admin & log tables ────────────────────────────────────────────────────── */
.admin-table {
    width: 100%; border-collapse: collapse; font-size: .85rem;
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow-xs); margin-bottom: 24px;
}
.admin-table th, .admin-table td {
    padding: 10px 14px; border-bottom: 1px solid var(--color-border-lt); text-align: left;
}
.admin-table th {
    background: var(--color-bg); color: var(--color-muted);
    font-size: .76rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: .04em; border-bottom: 1px solid var(--color-border);
}
.admin-table tbody tr:nth-child(even) td { background: #fafafa; }
.admin-table tbody tr:hover td { background: #f3f4f6; }
.admin-table .error-cell { color: var(--color-error); font-size: .8rem; max-width: 300px; word-break: break-word; }
.log-table .context-cell { font-size: .75rem; max-width: 260px; word-break: break-all; }
.log-table .context-cell code { font-size: .74rem; background: var(--color-bg); padding: 2px 6px; border-radius: 4px; }
.log-error td { background: #fef2f2 !important; }
.log-warning td { background: #fffbeb !important; }
.nowrap { white-space: nowrap; }

/* ── Badges ────────────────────────────────────────────────────────────────── */
.badge {
    display: inline-block; padding: 3px 10px;
    border-radius: 999px; font-size: .74rem; font-weight: 600; letter-spacing: .01em;
}
.badge-completed { background: var(--color-success-bg); color: var(--color-success); }
.badge-running   { background: var(--color-accent-soft); color: var(--color-accent); }
.badge-failed    { background: var(--color-error-bg); color: var(--color-error); }
.badge-partial   { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-info      { background: var(--color-accent-soft); color: var(--color-accent); }
.badge-warning   { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-error     { background: var(--color-error-bg); color: var(--color-error); }
.badge-debug     { background: var(--color-border-lt); color: var(--color-muted); }

/* ── Stat cards ────────────────────────────────────────────────────────────── */
.stats-row { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 28px; }
.stat-card {
    flex: 1 1 160px; background: var(--color-surface);
    border: 1px solid var(--color-border); border-left: 3px solid var(--color-accent);
    border-radius: var(--radius-sm); padding: 20px 24px; box-shadow: var(--shadow-xs);
}
.stat-value { font-size: 1.8rem; font-weight: 700; color: var(--color-accent); letter-spacing: -0.02em; }
.stat-label { font-size: .82rem; color: var(--color-muted); margin-top: 4px; }

/* ── Filter bar ────────────────────────────────────────────────────────────── */
.filter-bar {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 12px; margin-bottom: 20px;
}
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.inline-form input, .inline-form select {
    height: 36px; padding: 0 12px;
    border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    font-family: var(--font-sans); font-size: .85rem; color: var(--color-text);
    background: var(--color-surface); transition: border-color .15s, box-shadow .15s;
}
.inline-form input:focus, .inline-form select:focus {
    outline: none; border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}
.total-count { font-size: .85rem; color: var(--color-muted); font-weight: 500; }

/* ── Pagination ────────────────────────────────────────────────────────────── */
.pagination {
    display: flex; gap: 16px; align-items: center;
    justify-content: center; margin: 24px 0; font-size: .9rem;
}
.pagination a { display: inline-flex; align-items: center; gap: 4px; font-weight: 500; }

/* ── Login page ────────────────────────────────────────────────────────────── */
.login-wrapper { max-width: 400px; margin: 80px auto 0; padding: 0 24px; }
.login-card {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius); padding: 36px 32px;
    box-shadow: var(--shadow-md); text-align: center;
}
.login-card .login-icon { color: var(--color-accent); margin-bottom: 16px; }
.login-card h2 { margin-bottom: 24px; }
.login-card .form-row { text-align: left; margin-bottom: 16px; }
.login-card .form-row:last-child { margin-bottom: 0; }
.login-card .btn { width: 100%; }

/* ── Run page card ─────────────────────────────────────────────────────────── */
.run-card {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius); padding: 32px;
    box-shadow: var(--shadow-xs); max-width: 560px;
}
.run-card h2 { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.run-card h2 svg { color: var(--color-accent); }
.run-card p { color: var(--color-muted); font-size: .93rem; margin-bottom: 20px; line-height: 1.6; }
.run-card .btn-group { display: flex; gap: 10px; }

/* ── Footer ────────────────────────────────────────────────────────────────── */
.site-footer {
    margin-top: 48px; padding: 20px 0;
    border-top: 1px solid var(--color-border); font-size: .82rem; color: var(--color-muted);
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; }

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .search-form { gap: 14px; }
    .stats-row { gap: 12px; }
    .results-header { flex-direction: column; }
    .footer-inner { flex-direction: column; gap: 4px; }
}
@media (max-width: 640px) {
    .search-form { flex-direction: column; }
    .form-row { width: 100%; }
    .form-row input, .form-row select { width: 100%; }
    .price-table th, .price-table td { padding: 8px 10px; font-size: .82rem; }
    .stats-row { flex-direction: column; }
    .admin-nav { gap: 2px; }
    .admin-nav a { padding: 5px 8px; font-size: .8rem; }
    .filter-bar { flex-direction: column; align-items: flex-start; }
}