:root {
    --grade-a: #4CAF50;
    --grade-b: #8BC34A;
    --grade-c: #FFC107;
    --grade-d: #FF9800;
    --grade-f: #F44336;
    --emergency: #D32F2F;
    --planned: #FFA000;
    --deferred: #1976D2;
    --primary: #1565C0;
    --primary-dark: #0D47A1;
    --bg: #fafafa;
    --card-bg: #ffffff;
    --text: #212121;
    --text-muted: #757575;
    --border: #e0e0e0;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --pqc-yes: #4CAF50;
    --pqc-no: #e0e0e0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation inherited from landing.css */

/* Hero stats row */
.nis2-hero {
    padding: 40px 0 24px;
}

.nis2-hero h1 {
    font-size: 1.5em;
    margin-bottom: 4px;
}

.nis2-hero .subtitle {
    color: var(--text-muted);
    font-size: 0.9em;
    margin-bottom: 20px;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    text-align: center;
}

.stat-value {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--primary);
    font-family: 'Courier New', monospace;
}

.stat-label {
    font-size: 0.8em;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card .stat-label .trend-arrow {
    font-size: 1em;
}

/* View tabs */
.nis2-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.nis2-tab {
    font-size: 0.85rem;
    font-weight: 600;
    padding: 10px 18px;
    color: white;
    background: #00C853;
    border: 1px solid #00C853;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    box-shadow: 0px 4px 8px 0px rgba(255, 255, 255, 0.2) inset;
}

.nis2-tab:hover {
    background: #00E676;
    border-color: #00E676;
}

.nis2-tab.active {
    color: var(--text);
    background: var(--card-bg);
    border: 1px solid var(--border);
    font-weight: 500;
    box-shadow: 0px -4px 8px 0px rgba(0, 0, 0, 0.06) inset;
    cursor: default;
}

.nis2-panel {
    display: none;
    animation: fadeIn 0.2s ease;
}

.nis2-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Sector cards */
.nis2-sectors, .nis2-countries, .nis2-protocols {
    padding: 24px 0;
}

.nis2-sectors h2, .nis2-countries h2, .nis2-protocols h2 {
    font-size: 1.1em;
    margin-bottom: 16px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.sector-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    min-width: 0;
}

.targets-toggle {
    color: var(--accent, #58a6ff);
    text-decoration: none;
    font-size: 0.85em;
    cursor: pointer;
    margin-left: auto;
    padding-left: 8px;
    white-space: nowrap;
}

.targets-toggle:hover {
    text-decoration: underline;
}

.sector-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.sector-name {
    font-size: 1em;
    font-weight: 600;
}


/* PQC adoption bar */
.pqc-bar-container {
    margin-bottom: 10px;
}

.pqc-bar-label {
    font-size: 0.8em;
    color: var(--text-muted);
    margin-bottom: 4px;
    display: flex;
    justify-content: space-between;
}

.pqc-bar {
    height: 8px;
    background: var(--pqc-no);
    border-radius: 4px;
    overflow: hidden;
}

.pqc-bar-fill {
    height: 100%;
    background: var(--pqc-yes);
    border-radius: 4px;
    transition: width 0.4s ease;
}

/* Grade badges */
.grade-badges {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.grade-badge {
    display: inline-block;
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    border-radius: 4px;
    font-size: 0.75em;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    color: white;
}

.grade-badge.grade-a { background: var(--grade-a); }
.grade-badge.grade-b { background: var(--grade-b); }
.grade-badge.grade-c { background: var(--grade-c); color: var(--text); }
.grade-badge.grade-d { background: var(--grade-d); }
.grade-badge.grade-f { background: var(--grade-f); }

/* Risk + trend row */
.sector-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8em;
    color: var(--text-muted);
}

.risk-indicator {
    display: flex;
    gap: 8px;
}

.risk-dot {
    display: inline-flex;
    align-items: center;
    gap: 2px;
}

.risk-dot.emergency { color: var(--emergency); }
.risk-dot.planned { color: var(--planned); }
.risk-dot.deferred { color: var(--deferred); }

.trend-arrow {
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

.trend-arrow.improving { color: var(--grade-a); }
.trend-arrow.stable { color: var(--text-muted); }
.trend-arrow.degrading { color: var(--grade-f); }

/* Expandable target list */
.sector-targets {
    margin-top: 12px;
    border-top: 1px solid var(--border);
    padding-top: 12px;
}

.sector-targets table {
    width: 100%;
    font-size: 0.85em;
    border-collapse: collapse;
}

.sector-targets th {
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    padding: 4px 8px 4px 0;
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.sector-targets td {
    padding: 4px 8px 4px 0;
    border-top: 1px solid var(--border);
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    overflow-wrap: anywhere;
}

.pqc-yes { color: var(--grade-a); font-weight: 600; }
.pqc-no { color: var(--text-muted); }

/* Country cards */
.countries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.country-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    min-width: 0;
}

.country-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.country-flag {
    font-size: 1.4em;
    line-height: 1;
}

.country-name {
    font-size: 1em;
    font-weight: 600;
}

.country-code {
    font-size: 0.8em;
    color: var(--text-muted);
    font-family: 'Courier New', monospace;
    margin-left: auto;
}

.country-stats {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
}

.country-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.country-stat-value {
    font-size: 1.2em;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    color: var(--primary);
}

.country-stat-label {
    font-size: 0.7em;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.sector-tags {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.sector-tag {
    font-size: 0.7em;
    padding: 2px 8px;
    background: #f0f0f0;
    border-radius: 10px;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Protocol matrix */
.protocol-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.protocol-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.protocol-name {
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 600;
}

.protocol-value {
    font-size: 1.6em;
    font-weight: 700;
    font-family: 'Courier New', monospace;
}

.protocol-detail {
    font-size: 0.8em;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Footer */
.nis2-footer {
    padding: 24px 0 40px;
    font-size: 0.8em;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
}

.nis2-footer p {
    margin-bottom: 4px;
}

.footer {
    text-align: center;
    padding: 24px 0;
    font-size: 0.85em;
    color: var(--text-muted);
}

.footer a {
    color: var(--text-muted);
    text-decoration: none;
}

.footer a:hover {
    color: var(--text);
}

/* Loading state */
.loading {
    text-align: center;
    padding: 60px 0;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 640px) {
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .sectors-grid { grid-template-columns: 1fr; }
    .countries-grid { grid-template-columns: 1fr; }
    .protocol-grid { grid-template-columns: 1fr; }
    .nis2-tabs { gap: 2px; }
    .nis2-tab { padding: 8px 12px; font-size: 0.8rem; }
}