:root {
    --bg-main: #f3f6fb;
    --bg-panel: #ffffff;
    --bg-panel-secondary: #f8fafc;
    --bg-elevated: #ffffff;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;

    --border-color: #e2e8f0;
    --border-strong: #cbd5e1;

    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-soft: rgba(37, 99, 235, 0.10);

    --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    --shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.06);

    --badge-low-bg: #dcfce7;
    --badge-low-text: #166534;
    --badge-medium-bg: #fef3c7;
    --badge-medium-text: #92400e;
    --badge-high-bg: #fee2e2;
    --badge-high-text: #991b1b;
    --badge-critical-bg: #fce7f3;
    --badge-critical-text: #9d174d;

    --low: #22c55e;
    --medium: #f59e0b;
    --high: #ef4444;
    --critical: #db2777;
}

body.theme-dark {
    --bg-main: #0b1120;
    --bg-panel: #111827;
    --bg-panel-secondary: #172033;
    --bg-elevated: #182235;

    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    --border-color: #2b3a50;
    --border-strong: #3d4d63;

    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-soft: rgba(59, 130, 246, 0.14);

    --shadow: 0 10px 30px rgba(0, 0, 0, 0.34);
    --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.22);

    --badge-low-bg: #14532d;
    --badge-low-text: #bbf7d0;
    --badge-medium-bg: #78350f;
    --badge-medium-text: #fde68a;
    --badge-high-bg: #7f1d1d;
    --badge-high-text: #fecaca;
    --badge-critical-bg: #831843;
    --badge-critical-text: #fbcfe8;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.06), transparent 28%),
        var(--bg-main);
    color: var(--text-primary);
    transition: background-color 0.25s ease, color 0.25s ease;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: var(--accent-hover);
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    padding: 30px 32px;
    background:
        radial-gradient(circle at 85% 20%, rgba(59, 130, 246, 0.18), transparent 25%),
        linear-gradient(135deg, #0b1220, #172033 55%, #1e293b);
    color: #ffffff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-left h1 {
    margin: 0;
    font-size: clamp(26px, 4vw, 34px);
    line-height: 1.15;
    letter-spacing: -0.025em;
}

.eyebrow {
    margin: 0 0 8px;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #93c5fd;
}

.page-subtitle {
    margin: 10px 0 0;
    max-width: 760px;
    color: #cbd5e1;
    line-height: 1.6;
}

.header-right {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.theme-toggle {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 150px;
}

.theme-toggle label,
.form-group label {
    font-size: 13px;
    font-weight: 700;
}

.theme-toggle select {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.12);
    color: #ffffff;
}

.theme-toggle select option {
    color: #0f172a;
}

.container {
    width: min(1600px, 100%);
    margin: 0 auto;
    padding: 28px 32px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    position: relative;
    overflow: hidden;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow);
}

.stat-card.heat.low {
    border-left: 5px solid var(--low);
}

.stat-card.heat.medium {
    border-left: 5px solid var(--medium);
}

.stat-card.heat.high {
    border-left: 5px solid var(--high);
}

.stat-card.heat.critical {
    border-left: 5px solid var(--critical);
}

.stat-label {
    display: block;
    margin-bottom: 9px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.stat-value {
    display: block;
    font-size: 29px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.stat-value-small {
    font-size: 22px;
}

.stat-card small {
    display: block;
    margin-top: 8px;
    color: var(--text-muted);
    font-size: 12px;
}

.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.compact-panel {
    padding-top: 20px;
    padding-bottom: 20px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 18px;
}

.panel-header h2 {
    margin: 0 0 6px;
    font-size: 20px;
    letter-spacing: -0.015em;
}

.panel-header p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.5;
}

.panel-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 12px;
}

.panel-meta span {
    padding: 7px 10px;
    background: var(--bg-panel-secondary);
    border: 1px solid var(--border-color);
    border-radius: 999px;
}

.quick-filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-form {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    gap: 14px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
    min-width: 150px;
}

.form-group-wide {
    flex: 1 1 320px;
}

input,
select,
button,
a.btn {
    min-height: 44px;
    padding: 0 14px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-panel);
    color: var(--text-primary);
    font-size: 14px;
    text-decoration: none;
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

input::placeholder {
    color: var(--text-muted);
}

select:hover,
input:hover {
    border-color: var(--border-strong);
}

select:focus,
input:focus,
button:focus,
a.btn:focus {
    outline: 3px solid var(--accent-soft);
    border-color: var(--accent);
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #ffffff;
}

.btn-secondary {
    background: var(--bg-panel-secondary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--accent-soft);
    border-color: rgba(37, 99, 235, 0.22);
}

.critical-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 12px;
}

.critical-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 14px;
    min-height: 120px;
    padding: 16px;
    background: linear-gradient(145deg, var(--bg-panel-secondary), var(--bg-panel));
    border: 1px solid var(--border-color);
    border-radius: 14px;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.critical-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-strong);
}

.critical-card > div:first-child {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.ioc-value,
.ioc-cell code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.ioc-value {
    font-size: 15px;
    color: var(--text-primary);
    word-break: break-all;
}

.critical-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.critical-meta span {
    padding: 5px 8px;
    border-radius: 999px;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 11px;
}

.table-wrapper {
    position: relative;
    overflow: auto;
    max-width: 100%;
    border: 1px solid var(--border-color);
    border-radius: 14px;
}

table {
    width: 100%;
    min-width: 960px;
    border-collapse: separate;
    border-spacing: 0;
}

thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--bg-panel-secondary);
    color: var(--text-secondary);
    text-align: left;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.035em;
    padding: 13px 14px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

tbody td {
    padding: 13px 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

tbody tr:last-child td {
    border-bottom: 0;
}

tbody tr {
    transition: background-color 0.16s ease;
}

tbody tr:hover {
    background: rgba(148, 163, 184, 0.06);
}

.ioc-row.risk-critical td:first-child {
    box-shadow: inset 3px 0 0 var(--critical);
}

.ioc-row.risk-high td:first-child {
    box-shadow: inset 3px 0 0 var(--high);
}

.ioc-row.risk-medium td:first-child {
    box-shadow: inset 3px 0 0 var(--medium);
}

.ioc-row.risk-low td:first-child {
    box-shadow: inset 3px 0 0 var(--low);
}

.ioc-cell {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ioc-cell code {
    padding: 5px 7px;
    border-radius: 7px;
    background: var(--bg-panel-secondary);
    color: var(--text-primary);
    font-size: 13px;
}

.copy-btn {
    min-height: 28px;
    height: 28px;
    padding: 0 9px;
    border-radius: 7px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
}

.copy-btn:hover {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: rgba(37, 99, 235, 0.22);
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 32px 16px;
}

.severity-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 62px;
    padding: 5px 9px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.035em;
}

.severity-low {
    background: var(--badge-low-bg);
    color: var(--badge-low-text);
}

.severity-medium {
    background: var(--badge-medium-bg);
    color: var(--badge-medium-text);
}

.severity-high {
    background: var(--badge-high-bg);
    color: var(--badge-high-text);
}

.severity-critical {
    background: var(--badge-critical-bg);
    color: var(--badge-critical-text);
}

.severity-meter {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 130px;
}

.severity-meter > span {
    width: 28px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.severity-track {
    position: relative;
    width: 90px;
    height: 7px;
    overflow: hidden;
    border-radius: 999px;
    background: var(--bg-panel-secondary);
    border: 1px solid var(--border-color);
}

.severity-fill {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--low), var(--medium), var(--high), var(--critical));
}

.table-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding: 0 10px;
    border-radius: 8px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
}

.table-action:hover {
    background: var(--accent);
    color: #ffffff;
}

.chart-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
    gap: 24px;
}

.chart-container {
    position: relative;
    height: 350px;
}

.main-footer {
    margin-top: 10px;
    padding: 22px 32px;
    background: #0b1220;
    color: #cbd5e1;
    display: flex;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 13px;
}

.main-footer a {
    color: #93c5fd;
}

.main-footer a:hover {
    color: #bfdbfe;
}

.main-footer span,
.main-footer strong {
    display: block;
}

.footer-center,
.footer-right {
    display: flex;
    align-items: center;
}

@media (max-width: 1100px) {
    .chart-grid {
        grid-template-columns: 1fr;
    }

    .panel-header {
        flex-direction: column;
    }

    .panel-meta {
        justify-content: flex-start;
    }
}

@media (max-width: 768px) {
    .main-header,
    .container,
    .main-footer {
        padding-left: 18px;
        padding-right: 18px;
    }

    .main-header {
        flex-direction: column;
    }

    .header-right,
    .theme-toggle {
        width: 100%;
    }

    .panel,
    .stat-card {
        padding: 18px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .filter-form,
    .form-actions {
        width: 100%;
    }

    .form-group,
    .form-group-wide {
        flex: 1 1 100%;
        min-width: 100%;
    }

    .form-actions .btn {
        flex: 1;
    }

    .quick-filter-row .btn {
        flex: 1 1 calc(50% - 6px);
    }

    .critical-grid {
        grid-template-columns: 1fr;
    }

    .chart-container {
        height: 300px;
    }

    .footer-center,
    .footer-right {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .quick-filter-row .btn {
        flex: 1 1 100%;
    }

    .panel {
        border-radius: 14px;
    }

    .stat-value {
        font-size: 26px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}