:root {
    --bg: #f5f7fb;
    --card: #ffffff;
    --text: #111827;
    --muted: #6b7280;
    --border: #e5e7eb;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --danger-bg: #fef2f2;
    --success: #15803d;
    --success-bg: #f0fdf4;
    --info-bg: #eff6ff;
    --shadow: 0 18px 45px rgba(15, 23, 42, .08);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.app-shell { min-height: 100vh; }
.topbar {
    height: 70px;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255,255,255,.92);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(12px);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
}
.brand span { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.topbar-user { display: flex; align-items: center; gap: 12px; color: var(--muted); }

.layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); min-height: calc(100vh - 70px); }
.sidebar {
    padding: 22px;
    background: #fff;
    border-right: 1px solid var(--border);
}
.nav-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 14px;
    margin-bottom: 8px;
    border-radius: 14px;
    color: #374151;
    font-weight: 600;
}
.nav-link:hover { background: #f3f4f6; text-decoration: none; }
.nav-link.active { background: #eff6ff; color: var(--primary); }
.nav-link.disabled { color: #9ca3af; cursor: not-allowed; }
.nav-link small { font-weight: 500; }

.content { padding: 28px; max-width: 1360px; width: 100%; }
.content.narrow { max-width: 900px; }
.hero-card, .panel-card, .stat-card, .auth-card {
    background: var(--card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: 24px;
}
.hero-card {
    padding: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}
.hero-card h1, .page-title h1 { margin: 0 0 8px; font-size: 30px; letter-spacing: -0.03em; }
.hero-card p, .page-title p, .muted { color: var(--muted); }
.hero-card p, .page-title p { margin: 0; line-height: 1.55; }
.page-title { margin-bottom: 24px; }

.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { padding: 20px; }
.stat-card span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 10px; }
.stat-card strong { display: block; font-size: 25px; letter-spacing: -0.03em; word-break: break-word; }

.grid-2 { display: grid; grid-template-columns: 430px minmax(0, 1fr); gap: 20px; align-items: start; }
.panel-card { padding: 22px; margin-bottom: 20px; }
.panel-card h2 { margin: 0 0 8px; font-size: 21px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 16px; }
.panel-head h2, .panel-head p { margin-top: 0; }

.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 7px; color: #374151; font-size: 14px; font-weight: 700; }
.form input, .form textarea, .form select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px 13px;
    font: inherit;
    background: #fff;
    color: var(--text);
}
.form input:focus, .form textarea:focus {
    outline: 2px solid rgba(37, 99, 235, .18);
    border-color: var(--primary);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-message { min-height: 22px; font-size: 14px; }
.form-message.ok { color: var(--success); }
.form-message.error { color: var(--danger); }

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    border: 0;
    border-radius: 14px;
    padding: 11px 16px;
    font-weight: 800;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    line-height: 1;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-light { background: #f3f4f6; color: #111827; }
.btn-light:hover { background: #e5e7eb; }
.btn-danger { background: var(--danger-bg); color: var(--danger); }
.btn-block { width: 100%; }
.btn-sm { padding: 8px 10px; border-radius: 12px; font-size: 12px; }
.btn.disabled, .btn:disabled { opacity: .55; cursor: not-allowed; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }

.auth-page {
    min-height: calc(100vh - 70px);
    display: grid;
    place-items: center;
    padding: 28px;
}
.auth-card { max-width: 430px; width: 100%; padding: 30px; }

.installer-card { max-width: 720px; }
.summary-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 18px 0; }
.summary-card { padding: 15px; border: 1px solid var(--border); border-radius: 18px; background: #f9fafb; }
.summary-card span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 7px; }
.summary-card strong { display: block; font-size: 18px; word-break: break-word; }

.auth-card h1 { margin: 0 0 8px; font-size: 30px; letter-spacing: -0.03em; }
.auth-link { text-align: center; margin: 18px 0 0; }

.alert {
    padding: 13px 15px;
    border-radius: 14px;
    margin-bottom: 16px;
    border: 1px solid var(--border);
    line-height: 1.45;
}
.alert-error { background: var(--danger-bg); color: var(--danger); border-color: #fecaca; }
.alert-success { background: var(--success-bg); color: var(--success); border-color: #bbf7d0; }
.alert-info { background: var(--info-bg); color: #1d4ed8; border-color: #bfdbfe; }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; border-bottom: 1px solid var(--border); padding: 13px 10px; }
.table th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }

.empty-state {
    padding: 26px;
    background: #f9fafb;
    border: 1px dashed #d1d5db;
    border-radius: 20px;
    text-align: center;
}
.empty-state.small { padding: 20px; }
.empty-state p { color: var(--muted); }
.loader { padding: 18px; color: var(--muted); }

.project-list { display: grid; gap: 12px; }
.project-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: #fff;
}
.project-card h3 { margin: 0 0 6px; }
.project-card p { margin: 0 0 6px; color: var(--muted); }
.project-card small { color: var(--muted); }
.project-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }

@media (max-width: 980px) {
    .layout { grid-template-columns: 1fr; }
    .sidebar { border-right: 0; border-bottom: 1px solid var(--border); }
    .sidebar nav { display: flex; overflow-x: auto; gap: 8px; }
    .nav-link { white-space: nowrap; margin-bottom: 0; }
    .grid-2 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .topbar { height: auto; padding: 16px; gap: 14px; align-items: flex-start; flex-direction: column; }
    .content { padding: 16px; }
    .hero-card, .panel-head, .project-card { align-items: stretch; flex-direction: column; }
    .stats-grid { grid-template-columns: 1fr; }
    .form-row, .summary-grid { grid-template-columns: 1fr; }
}

/* Krok 2: audyty i kolejka */
.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 800;
    border: 1px solid var(--border);
    background: #f9fafb;
    color: #374151;
}
.badge-success { background: #ecfdf5; color: #047857; border-color: #a7f3d0; }
.badge-danger { background: #fef2f2; color: #b91c1c; border-color: #fecaca; }
.badge-info { background: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }
.badge-warning { background: #fffbeb; color: #b45309; border-color: #fde68a; }
.badge-neutral { background: #f9fafb; color: #4b5563; border-color: #e5e7eb; }

.audit-status-card { display: grid; gap: 18px; }
.audit-status-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 18px;
}
.audit-status-top h2 { margin: 10px 0 6px; }
.audit-percent {
    min-width: 92px;
    height: 92px;
    display: grid;
    place-items: center;
    border-radius: 28px;
    background: #eff6ff;
    color: var(--primary);
    font-size: 28px;
    font-weight: 900;
}
.progress-bar {
    height: 14px;
    width: 100%;
    border-radius: 999px;
    background: #eef2f7;
    overflow: hidden;
    border: 1px solid var(--border);
}
.progress-bar span {
    display: block;
    height: 100%;
    background: var(--primary);
    border-radius: inherit;
    transition: width .25s ease;
}
.stats-grid.compact { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 0; }
.stats-grid.compact .stat-card { padding: 14px; box-shadow: none; }
.stats-grid.compact .stat-card strong { font-size: 22px; }
.audit-dev-tools {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 14px;
    border: 1px dashed #cbd5e1;
    border-radius: 18px;
    background: #f8fafc;
}
.audit-dev-tools small { color: var(--muted); }
.event-list { display: grid; gap: 10px; }
.event-item {
    padding: 13px 14px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: #fff;
}
.event-item strong { display: block; margin-bottom: 5px; }
.event-item span { color: var(--muted); font-size: 12px; }
.check-list { display: grid; gap: 8px; margin-top: 14px; }
.check-list div {
    padding: 11px 13px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #f9fafb;
}

@media (max-width: 760px) {
    .audit-status-top { flex-direction: column; }
    .audit-percent { width: 100%; height: auto; padding: 20px; }
    .stats-grid.compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Krok 3: crawler i wyniki podstawowej analizy */
.audit-data-grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.crawl-stats { margin-top: -4px; }
.mini-list, .issue-list { display: grid; gap: 10px; }
.mini-list-item, .issue-item {
    padding: 12px 13px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: #fff;
}
.mini-list-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: start;
}
.mini-list-item strong, .mini-list-item span, .mini-list-item em,
.issue-item strong, .issue-item span, .issue-item small {
    display: block;
}
.mini-list-item strong, .issue-item small {
    word-break: break-word;
}
.mini-list-item span, .mini-list-item em, .issue-item span, .issue-item small, .small-text {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
    margin-top: 4px;
}
.mini-list-item em { font-style: normal; white-space: nowrap; }
.issue-item { border-left: 5px solid #cbd5e1; }
.issue-item.severity-critical, .issue-item.severity-error { border-left-color: var(--danger); background: #fffafa; }
.issue-item.severity-warning { border-left-color: #f59e0b; background: #fffdf5; }
.issue-item.severity-info { border-left-color: var(--primary); background: #fbfdff; }

@media (max-width: 980px) {
    .audit-data-grid { grid-template-columns: 1fr; }
    .mini-list-item { grid-template-columns: 1fr; }
    .mini-list-item em { white-space: normal; }
}

/* Krok 4: sekcje AJAX, filtry, eksport CSV */
.audit-sections-card { padding: 0; overflow: hidden; }
.audit-tabs {
    display: flex;
    gap: 6px;
    padding: 14px;
    border-bottom: 1px solid var(--border);
    background: #f8fafc;
    overflow-x: auto;
}
.audit-tabs button {
    border: 0;
    background: transparent;
    color: #4b5563;
    font-weight: 800;
    border-radius: 999px;
    padding: 10px 14px;
    cursor: pointer;
    white-space: nowrap;
}
.audit-tabs button:hover { background: #eef2f7; }
.audit-tabs button.active { background: var(--primary); color: #fff; }
#audit-section-content { padding: 22px; }
.section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 18px;
}
.section-head h2 { margin: 0 0 6px; }
.section-head p { margin: 0; }
.section-stats { margin-bottom: 18px; }
.score-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}
.score-card {
    display: block;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: #fff;
    color: var(--text);
    box-shadow: 0 8px 24px rgba(15, 23, 42, .05);
}
.score-card:hover { text-decoration: none; border-color: #bfdbfe; }
.score-card span, .score-card em { display: block; color: var(--muted); font-style: normal; }
.score-card strong { display: block; font-size: 28px; margin: 8px 0 4px; letter-spacing: -0.04em; }
.section-grid { grid-template-columns: 1fr 1fr; }
.issue-group-list { display: grid; gap: 12px; }
.issue-group {
    padding: 14px;
    border: 1px solid var(--border);
    border-left: 5px solid #cbd5e1;
    border-radius: 18px;
    background: #fff;
}
.issue-group.severity-critical, .issue-group.severity-error { border-left-color: var(--danger); background: #fffafa; }
.issue-group.severity-warning { border-left-color: #f59e0b; background: #fffdf5; }
.issue-group.severity-info { border-left-color: var(--primary); background: #fbfdff; }
.issue-group strong, .issue-group span { display: block; }
.issue-group span { color: var(--muted); font-size: 12px; margin-top: 4px; }
.issue-group p { color: #4b5563; margin: 10px 0 0; line-height: 1.5; }
.issue-group-main {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}
.issue-group-main em { font-style: normal; color: var(--muted); white-space: nowrap; }
.mini-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.mini-metrics div {
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 15px;
    background: #fff;
}
.mini-metrics span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 7px; }
.mini-metrics strong { display: block; font-size: 22px; }
.section-filter {
    display: grid;
    grid-template-columns: minmax(220px, 1.5fr) minmax(150px, .7fr) minmax(150px, .7fr) auto;
    gap: 10px;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: #f9fafb;
    margin-bottom: 12px;
}
.section-filter input, .section-filter select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 13px;
    padding: 10px 12px;
    font: inherit;
    background: #fff;
}
.dense-table th, .dense-table td { padding: 10px 9px; font-size: 13px; vertical-align: top; }
.url-cell { min-width: 280px; max-width: 460px; word-break: break-word; }
.url-cell strong, .url-cell small { display: block; }
.url-cell small { color: var(--muted); margin-top: 4px; }
.pagination {
    display: flex;
    gap: 7px;
    flex-wrap: wrap;
    margin-top: 14px;
}
.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    font-weight: 800;
    font-size: 13px;
}
.pagination a:hover { text-decoration: none; background: #f3f4f6; }
.pagination a.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.issue-list.expanded { gap: 12px; }
.issue-row-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.export-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}
.export-card {
    display: block;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: #fff;
    color: var(--text);
}
.export-card:hover { text-decoration: none; border-color: #bfdbfe; }
.export-card strong, .export-card span { display: block; }
.export-card span { color: var(--muted); margin-top: 8px; line-height: 1.5; }

@media (max-width: 980px) {
    .score-grid, .section-grid, .export-grid { grid-template-columns: 1fr; }
    .section-filter { grid-template-columns: 1fr; }
    .section-head { flex-direction: column; }
}

/* Krok 5: indeksacja, robots.txt, sitemap.xml i szczegóły URL */
.kv-list {
    display: grid;
    gap: 10px;
}
.kv-list > div {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 12px;
    align-items: start;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.kv-list span {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}
.kv-list strong {
    font-size: 13px;
    line-height: 1.45;
    word-break: break-word;
}
.url-break {
    overflow-wrap: anywhere;
    word-break: break-word;
}
.section-head.subhead {
    margin-top: 26px;
}
.small-table-wrap {
    max-height: 420px;
    overflow: auto;
}
.compact-list {
    gap: 8px;
}
.compact-list .issue-item {
    padding: 12px;
}
.audit-tabs {
    flex-wrap: wrap;
}
@media (max-width: 640px) {
    .kv-list > div {
        grid-template-columns: 1fr;
        gap: 4px;
    }
}