/* PQCrypta Proxy Control Plane - Main Stylesheet */
/* CSP Compliant - No inline styles */

:root {
    --primary: #3b82f6;
    --primary-dark: #1d4ed8;
    --primary-light: #93c5fd;
    --violet: #8b5cf6;
    --violet-dark: #6d28d9;
    --cyan: #06b6d4;
    --cyan-dark: #0891b2;
    --bg-base: #07090f;
    --bg-card: #0d1220;
    --bg-card-hover: #111827;
    --bg-section: #0a0f1e;
    --bg-input: #0f172a;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #1e3a5f;
    --border-bright: #2d5a8e;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    --readonly-bg: #0c1428;
    --readonly-border: #1e3a5f;
    --tag-bg: #1e3a5f;
    --tag-text: #93c5fd;
    --glow-blue: 0 0 30px rgba(59, 130, 246, 0.3), 0 0 60px rgba(59, 130, 246, 0.1);
    --glow-violet: 0 0 30px rgba(139, 92, 246, 0.3), 0 0 60px rgba(139, 92, 246, 0.1);
    --glow-cyan: 0 0 20px rgba(6, 182, 212, 0.25);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.6), 0 1px 3px rgba(0,0,0,0.8);
    --grid-line: rgba(59, 130, 246, 0.06);
}

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

html {
    background: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--bg-base);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header.cp-header {
    flex-shrink: 0;
}

main.content-container {
    flex: 1 0 auto;
}

.cp-footer {
    flex-shrink: 0;
    margin-top: auto;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #0a0f1e; }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary) 0%, var(--violet) 100%);
    border-radius: 4px;
    border: 1px solid rgba(0,0,0,0.3);
}
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, var(--cyan) 0%, var(--primary) 100%); }
* { scrollbar-width: thin; scrollbar-color: var(--primary) #0a0f1e; }

/* ===== HEADER ===== */
.cp-header {
    background: linear-gradient(135deg, #0a0f24 0%, #07090f 60%, #0e0a24 100%);
    padding: 1.75rem 1rem;
    box-shadow: 0 4px 30px rgba(59, 130, 246, 0.2), 0 1px 0 rgba(139, 92, 246, 0.3);
    border-bottom: 2px solid var(--violet);
    position: relative;
    z-index: 50;
}

.header-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 2rem;
}

.header-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.logo-link { display: flex; align-items: center; flex-shrink: 0; }

.logo-image {
    height: 56px;
    width: auto;
    border-radius: 8px;
    border: 2px solid var(--border-bright);
    box-shadow: var(--glow-blue);
}

.title-container { flex: 1; min-width: 0; }

.page-title {
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--violet) 50%, var(--cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.3rem;
}

.header-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.6rem;
}

.header-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.badge-readonly {
    background: rgba(139, 92, 246, 0.15);
    border: 1px solid var(--violet);
    color: #c4b5fd;
}

.badge-live {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--success);
    color: #6ee7b7;
}

.badge-live::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.badge-version {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid var(--primary);
    color: var(--primary-light);
}

/* ===== TAB NAVIGATION ===== */
.tab-nav {
    background: linear-gradient(180deg, #0a0f1e 0%, #07090f 100%);
    border-bottom: 1px solid var(--border);
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 40;
    overflow-x: auto;
    white-space: nowrap;
    display: flex;
    gap: 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.6), 0 0 40px rgba(59, 130, 246, 0.04);
}

.tab-nav::-webkit-scrollbar { height: 3px; }

.tab-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 500;
    padding: 1rem 1.2rem;
    cursor: pointer;
    position: relative;
    transition: color 0.2s, background 0.2s;
    white-space: nowrap;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(59, 130, 246, 0.06);
}

.tab-btn.active {
    color: var(--primary-light);
    border-bottom-color: var(--primary);
    background: rgba(59, 130, 246, 0.08);
    text-shadow: 0 0 12px rgba(59, 130, 246, 0.6);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), var(--primary), transparent);
}

/* ===== MAIN CONTENT ===== */
.content-container {
    width: 80vw;
    max-width: 80vw;
    margin: 0 auto;
    padding: 1.75rem 1rem;
}

.tab-panel {
    display: none;
}

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

/* ===== SECTIONS COLUMN LAYOUT — multiple sections side-by-side ===== */
.tab-panel.sections-grid.active {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(860px, 1fr));
    gap: 1.5rem;
    align-items: start;
}

/* Full-width items inside sections-grid (notices, headings) */
.tab-panel.sections-grid > .readonly-notice,
.tab-panel.sections-grid > .cp-section-heading {
    grid-column: 1 / -1;
    margin-bottom: 0; /* grid gap already provides the spacing */
}

/* sections no longer need bottom margin — gap handles spacing */
.tab-panel.sections-grid > .config-section {
    margin-bottom: 0;
}

/* ===== OVERVIEW GRID ===== */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(13, 18, 32, 0.95) 100%);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.1rem;
    display: grid;
    grid-template-columns: 2rem 1fr;
    grid-template-rows: auto auto auto;
    column-gap: 0.7rem;
    row-gap: 0.15rem;
    align-items: start;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: visible;
}

.stat-card:hover {
    border-color: var(--border-bright);
    box-shadow: var(--glow-blue);
    transform: translateY(-1px);
    z-index: 10;
}

/* ===== STAT CARD TOOLTIPS ===== */
.stat-tooltip {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    width: 250px;
    background: linear-gradient(145deg, #0d1525 0%, #0a1020 100%);
    border: 1px solid var(--primary);
    border-top: 2px solid var(--cyan);
    border-radius: 10px;
    padding: 0.7rem 0.9rem 0.65rem;
    font-size: 0.73rem;
    color: #cbd5e1;
    line-height: 1.55;
    text-align: left;
    pointer-events: none;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.18s ease, transform 0.18s ease;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(6, 182, 212, 0.15), 0 0 20px rgba(59, 130, 246, 0.12);
    white-space: normal;
}
.stat-tooltip::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 7px solid transparent;
    border-bottom-color: var(--cyan);
}
.stat-tooltip-key {
    display: block;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.66rem;
    color: var(--cyan);
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 4px;
    padding: 0.15rem 0.4rem;
    margin-top: 0.45rem;
    display: inline-block;
    letter-spacing: 0.03em;
}
.stat-card:hover .stat-tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.stat-card-icon {
    font-size: 1.3rem;
    line-height: 1;
    grid-column: 1;
    grid-row: 1 / 4;
    align-self: center;
}

.stat-card-label {
    font-size: 0.62rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    grid-column: 2;
    grid-row: 1;
    line-height: 1.2;
}

.stat-card-value {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-primary);
    font-family: 'SF Mono', 'Fira Code', monospace;
    line-height: 1.15;
    letter-spacing: -0.02em;
    grid-column: 2;
    grid-row: 2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stat-card-sub {
    font-size: 0.65rem;
    color: var(--text-muted);
    line-height: 1.25;
    grid-column: 2;
    grid-row: 3;
}

.cp-nav-card { cursor: pointer; }
.cp-nav-card:hover { border-color: var(--primary); box-shadow: var(--glow-blue); }

.stat-card.status-ok {
    border-left: 3px solid var(--success);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, var(--bg-card) 60%);
}

.stat-card.status-warn {
    border-left: 3px solid var(--warning);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05) 0%, var(--bg-card) 60%);
}

.stat-card.status-info {
    border-left: 3px solid var(--info);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, var(--bg-card) 60%);
}

.stat-card.status-violet {
    border-left: 3px solid var(--violet);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, var(--bg-card) 60%);
}

/* Nav cards in overview */
.cp-nav-card .stat-card-value {
    display: none;
}

.cp-nav-card .stat-card-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: none;
    letter-spacing: 0.01em;
}

.cp-nav-card .stat-card-sub {
    font-size: 0.67rem;
    color: var(--text-muted);
}

/* ===== CONFIG SECTIONS ===== */
.config-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    margin-bottom: 1.5rem;
    overflow: visible;
    box-shadow: var(--shadow-card);
    position: relative;
}

/* clip only the section header so rounded corners apply there */
.section-title-bar {
    border-radius: 16px 16px 0 0;
    overflow: hidden;
}

.config-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--violet), var(--cyan));
    opacity: 0.6;
}

.section-title-bar {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 1.1rem 1.5rem;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.04) 60%, transparent 100%);
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}

.section-title-bar:hover {
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.15) 0%, rgba(139, 92, 246, 0.06) 60%, transparent 100%);
}

.section-icon {
    font-size: 1.3rem;
    width: 2.2rem;
    text-align: center;
    flex-shrink: 0;
}

.section-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    flex: 1;
    letter-spacing: -0.01em;
}

.section-key {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.72rem;
    color: var(--cyan);
    background: rgba(6, 182, 212, 0.08);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.section-count {
    font-size: 0.7rem;
    color: var(--primary-light);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.25);
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-weight: 700;
}

.section-chevron {
    color: var(--text-muted);
    transition: transform 0.25s;
    font-size: 0.7rem;
}

.config-section.collapsed .section-chevron {
    transform: rotate(-90deg);
}

.section-body {
    padding: 0;
    overflow: visible;
}

.config-section.collapsed .section-body {
    display: none;
}

/* ===== SETTINGS — multi-column grid of wide key|value cards ===== */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
    gap: 0;
    overflow: visible;
}

.setting-row {
    display: grid;
    grid-template-columns: minmax(160px, 40%) 1fr;
    grid-auto-rows: auto;
    gap: 0.25rem 1rem;
    padding: 0.9rem 1.4rem;
    border-bottom: 1px solid rgba(30, 58, 95, 0.35);
    border-right: 1px solid rgba(30, 58, 95, 0.15);
    align-items: center;
    transition: background 0.15s;
    position: relative;
    overflow: visible;
}

.setting-row:hover {
    background: rgba(59, 130, 246, 0.06);
}

/* Key: left column, single row, monospace label — no wrap */
.setting-key {
    grid-column: 1;
    grid-row: 1;
    align-self: center;
    padding-right: 0.5rem;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.74rem;
    color: var(--cyan);
    font-weight: 600;
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0.35rem;
    line-height: 1.3;
    min-width: 0;
    overflow: hidden;
}

/* Info badge appended to every key — triggers tooltip awareness */
.setting-key::after {
    content: 'ⓘ';
    font-family: sans-serif;
    font-size: 0.6rem;
    font-weight: 400;
    color: rgba(147, 197, 253, 0.4);
    flex-shrink: 0;
    transition: color 0.15s;
    line-height: 1;
}

.setting-row:hover .setting-key::after {
    color: var(--primary-light);
}

/* Everything except key and desc goes to the right column */
.setting-row > .config-input,
.setting-row > .config-select,
.setting-row > .config-number,
.setting-row > .config-textarea,
.setting-row > .radio-group,
.setting-row > .tags-container,
.setting-row > .toggle-group,
.setting-row > .status-badge,
.setting-row > .tag-chip {
    grid-column: 2;
    grid-row: 1;
}

.setting-key-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.setting-unit {
    font-family: sans-serif;
    font-size: 0.6rem;
    color: var(--text-muted);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.07);
    padding: 0.05rem 0.3rem;
    border-radius: 3px;
    font-weight: normal;
}

/* ===== SETTING TOOLTIP ===== */
.setting-desc {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 0;
    width: 300px;
    max-width: 92vw;
    background: linear-gradient(145deg, #0d1525 0%, #0a1020 100%);
    border: 1px solid var(--primary);
    border-top: 2px solid var(--cyan);
    border-radius: 10px;
    padding: 0.7rem 0.9rem 0.65rem;
    font-size: 0.73rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: #cbd5e1;
    line-height: 1.55;
    font-weight: 400;
    white-space: normal;
    overflow: visible;
    display: block;
    opacity: 0;
    pointer-events: none;
    transform: translateY(4px);
    transform-origin: bottom left;
    transition: opacity 0.18s ease, transform 0.18s ease;
    z-index: 1000;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(6, 182, 212, 0.15), 0 0 20px rgba(59, 130, 246, 0.12);
}

/* downward-pointing arrow */
.setting-desc::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 24px;
    border: 7px solid transparent;
    border-top-color: var(--primary);
}

.setting-row:hover .setting-desc {
    opacity: 1;
    transform: translateY(0);
    pointer-events: none;
}

/* ===== READONLY FORM CONTROLS ===== */
.config-input {
    background: var(--readonly-bg);
    border: 1px solid var(--readonly-border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.78rem;
    padding: 0.4rem 0.7rem;
    cursor: default;
    outline: none;
    transition: border-color 0.2s;
    width: 100%;
}

.config-input:focus {
    border-color: var(--primary);
}

.config-input.config-number {
    text-align: right;
    width: auto;
    min-width: 80px;
}

.config-input.config-path {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* Select wrapper */
.select-wrapper {
    position: relative;
}

.select-wrapper::after {
    content: '▾';
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    font-size: 0.75rem;
}

.config-select {
    background: var(--readonly-bg);
    border: 1px solid var(--readonly-border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.78rem;
    padding: 0.4rem 1.8rem 0.4rem 0.7rem;
    cursor: default;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
}

.config-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

.config-select option { background: #0d1220; color: var(--text-primary); }
.config-select option:checked { background: rgba(59, 130, 246, 0.3); }

/* Boolean radio group */
.radio-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.65rem;
    border-radius: 5px;
    border: 1px solid var(--border);
    cursor: default;
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--readonly-bg);
    transition: none;
    user-select: none;
    white-space: nowrap;
}

.radio-option.selected-true {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.1);
    color: #6ee7b7;
}

.radio-option.selected-false {
    border-color: var(--error);
    background: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
}

.radio-option input[type="radio"] {
    accent-color: var(--primary);
    cursor: default;
}

/* Tags / Array chips */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tag-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.7rem;
    background: var(--tag-bg);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 9999px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.72rem;
    color: var(--tag-text);
    white-space: nowrap;
}

.tag-chip-number {
    background: rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.3);
    color: #c4b5fd;
}

.tag-chip-path {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.25);
    color: #67e8f9;
}

.tag-empty {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Status badge inline */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.7rem;
    border-radius: 9999px;
    font-size: 0.72rem;
    font-weight: 600;
}

.status-enabled {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--success);
    color: #6ee7b7;
}

.status-disabled {
    background: rgba(100, 116, 139, 0.15);
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
}

.status-warning {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid var(--warning);
    color: #fcd34d;
}

/* Long text area */
.config-textarea {
    background: var(--readonly-bg);
    border: 1px solid var(--readonly-border);
    border-radius: 7px;
    color: var(--text-secondary);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.72rem;
    padding: 0.5rem 0.85rem;
    cursor: default;
    outline: none;
    resize: none;
    min-height: 3rem;
    line-height: 1.5;
    width: 100%;
    max-width: 420px;
}

/* ===== ROUTE TABLE ===== */
.routes-toolbar {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    background: rgba(59, 130, 246, 0.03);
}

.route-search {
    flex: 1;
    min-width: 200px;
    background: var(--readonly-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.82rem;
    padding: 0.5rem 0.85rem 0.5rem 2.2rem;
    outline: none;
    transition: border-color 0.2s;
}

.route-search:focus { border-color: var(--primary); }

.search-wrapper {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.search-icon {
    position: absolute;
    left: 0.7rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.75rem;
    pointer-events: none;
}

.filter-select {
    background: var(--readonly-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    padding: 0.5rem 0.85rem;
    outline: none;
    cursor: pointer;
}

.filter-select:focus { border-color: var(--primary); }

.route-count-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.routes-table-wrapper {
    overflow-x: auto;
}

.routes-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.routes-table th {
    text-align: left;
    padding: 0.75rem 1.1rem;
    background: rgba(59, 130, 246, 0.07);
    color: var(--text-muted);
    font-size: 0.67rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.routes-table th:first-child { padding-left: 1.5rem; }

.routes-table td {
    padding: 0.8rem 1.1rem;
    border-bottom: 1px solid rgba(30, 58, 95, 0.35);
    vertical-align: middle;
}

.routes-table td:first-child { padding-left: 1.5rem; }

.routes-table tr:hover td { background: rgba(59, 130, 246, 0.05); }

.routes-table tr.route-row-detail td {
    padding: 0;
    background: rgba(59, 130, 246, 0.03);
}

.route-detail-inner {
    padding: 1.25rem 1.5rem 1.25rem 3.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    border-top: 1px solid var(--border);
}

.route-detail-section { }
.route-detail-title {
    font-size: 0.67rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.route-detail-item {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    margin-bottom: 0.35rem;
    font-size: 0.76rem;
}

.route-detail-key {
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 110px;
}

.route-detail-val {
    color: var(--text-primary);
    font-family: 'SF Mono', 'Fira Code', monospace;
    word-break: break-all;
}

.route-expand-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 0.7rem;
    transition: color 0.2s;
    width: 1.5rem;
    text-align: center;
}

.route-expand-btn:hover { color: var(--primary-light); }

.route-name {
    font-family: 'SF Mono', 'Fira Code', monospace;
    color: var(--primary-light);
    font-size: 0.8rem;
    font-weight: 600;
}

.route-host {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.76rem;
    color: var(--cyan);
}

.route-path {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.76rem;
    color: var(--text-secondary);
}

.route-backend {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    background: rgba(139, 92, 246, 0.15);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 5px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.72rem;
    color: #c4b5fd;
}

.route-priority {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.76rem;
    color: var(--warning);
}

.wt-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.18rem 0.5rem;
    background: rgba(6, 182, 212, 0.15);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 4px;
    font-size: 0.65rem;
    color: #67e8f9;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.http-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.18rem 0.5rem;
    background: rgba(100, 116, 139, 0.15);
    border: 1px solid rgba(100, 116, 139, 0.3);
    border-radius: 4px;
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.redirect-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.18rem 0.5rem;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 4px;
    font-size: 0.65rem;
    color: #fcd34d;
    font-weight: 600;
}

.route-row-hidden { display: none; }

/* ===== BACKEND CARDS ===== */
.backends-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 1.25rem;
    padding: 1.5rem;
}

.backend-card {
    background: linear-gradient(135deg, var(--bg-section) 0%, rgba(10, 15, 30, 0.9) 100%);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.2s;
    box-shadow: var(--shadow-card);
    position: relative;
}

.backend-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--violet));
    opacity: 0.5;
}

.backend-card:hover {
    border-color: var(--border-bright);
    box-shadow: var(--glow-blue);
    transform: translateY(-2px);
}

.backend-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: rgba(59, 130, 246, 0.08);
    border-bottom: 1px solid var(--border);
}

.backend-name {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary-light);
}

.backend-type-badge {
    font-size: 0.65rem;
    padding: 0.2rem 0.55rem;
    border-radius: 5px;
    font-weight: 700;
    text-transform: uppercase;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #6ee7b7;
    letter-spacing: 0.06em;
}

.backend-card-body {
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.backend-field {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    gap: 0.75rem;
    padding: 0.3rem 0;
    border-bottom: 1px solid rgba(30, 58, 95, 0.3);
}

.backend-field:last-child {
    border-bottom: none;
}

.backend-field-key {
    color: var(--text-muted);
    flex-shrink: 0;
    min-width: 100px;
    font-size: 0.73rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.backend-field-val {
    font-family: 'SF Mono', 'Fira Code', monospace;
    color: var(--text-primary);
    font-size: 0.78rem;
    text-align: right;
    word-break: break-all;
}

.backend-address {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.82rem;
    color: var(--cyan);
    background: rgba(6, 182, 212, 0.08);
    padding: 0.25rem 0.6rem;
    border-radius: 5px;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

/* ===== HEADERS TABLE ===== */
.headers-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.headers-table th {
    text-align: left;
    padding: 0.75rem 1.5rem;
    background: rgba(59, 130, 246, 0.07);
    color: var(--text-muted);
    font-size: 0.67rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--border);
}

.headers-table td {
    padding: 0.7rem 1.5rem;
    border-bottom: 1px solid rgba(30, 58, 95, 0.35);
    vertical-align: middle;
}

.headers-table tr:hover td { background: rgba(59, 130, 246, 0.04); }

.header-name {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.78rem;
    color: var(--cyan);
    white-space: nowrap;
    font-weight: 600;
}

.header-value {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.73rem;
    color: var(--text-secondary);
    word-break: break-all;
    max-width: 700px;
}

/* ===== SECTION LABEL (for sub-sections within a tab) ===== */
.tab-section-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 1.5rem 0 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tab-section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border), transparent);
}

/* ===== TOML RAW VIEW ===== */
.raw-toml-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    position: relative;
}

.raw-toml-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--violet), var(--cyan));
    opacity: 0.6;
}

.raw-toml-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 1.5rem;
    background: rgba(139, 92, 246, 0.08);
    border-bottom: 1px solid var(--border);
}

.raw-toml-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--border);
    border-radius: 7px;
    color: var(--text-secondary);
    font-size: 0.72rem;
    cursor: pointer;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--primary);
    color: var(--primary-light);
}

.copy-btn.copied {
    background: rgba(16, 185, 129, 0.15);
    border-color: var(--success);
    color: #6ee7b7;
}

.raw-toml-body {
    overflow-x: auto;
    max-height: 600px;
    overflow-y: auto;
}

.raw-toml-pre {
    padding: 1.5rem;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.76rem;
    line-height: 1.8;
    color: var(--text-secondary);
    white-space: pre;
}

.toml-comment { color: #4a5568; }
.toml-section { color: #a78bfa; font-weight: 600; }
.toml-array-section { color: #c4b5fd; font-weight: 600; }
.toml-key { color: #67e8f9; }
.toml-string { color: #86efac; }
.toml-number { color: #fbbf24; }
.toml-bool-true { color: #34d399; font-weight: 600; }
.toml-bool-false { color: #f87171; font-weight: 600; }
.toml-array-bracket { color: #94a3b8; }

/* ===== NOTICE BANNER ===== */
.readonly-notice {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.9rem 1.25rem;
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.25);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-size: 0.8rem;
    color: #c4b5fd;
}

.readonly-notice-icon { font-size: 1.1rem; flex-shrink: 0; }

/* ===== SUBSECTION HEADING ===== */
.subsection-heading {
    padding: 0.75rem 1.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    background: rgba(139, 92, 246, 0.05);
    border-bottom: 1px solid var(--border);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.subsection-heading::before {
    content: '';
    width: 3px;
    height: 14px;
    background: linear-gradient(180deg, var(--violet), var(--cyan));
    border-radius: 2px;
}

/* ===== REDACTED VALUE ===== */
.redacted-value {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.78rem;
    color: var(--text-muted);
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.15);
    border-radius: 5px;
    padding: 0.3rem 0.7rem;
    letter-spacing: 0.1em;
}

/* ===== LOADING STATE ===== */
.panel-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem;
    color: var(--text-muted);
    gap: 0.75rem;
    font-size: 0.85rem;
}

/* ===== CUSTOM DROPDOWN (cp-select) ===== */
.cp-select {
    position: relative;
    display: inline-block;
    width: 100%;
}

.cp-select-btn {
    width: 100%;
    background: var(--readonly-bg);
    border: 1px solid var(--readonly-border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.78rem;
    padding: 0.4rem 1.8rem 0.4rem 0.7rem;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: border-color 0.2s;
}

.cp-select-btn:hover,
.cp-select.open .cp-select-btn {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.12);
}

.cp-select-caret {
    color: var(--text-muted);
    font-size: 0.7rem;
    transition: transform 0.2s;
    pointer-events: none;
    margin-left: 0.5rem;
}

.cp-select.open .cp-select-caret {
    transform: rotate(180deg);
}

.cp-select-list {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    min-width: 100%;
    background: #0f1629;
    border: 1px solid var(--primary);
    border-radius: 9px;
    z-index: 200;
    list-style: none;
    padding: 0.3rem;
    display: none;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(59, 130, 246, 0.1);
    max-height: 240px;
    overflow-y: auto;
}

.cp-select.open .cp-select-list {
    display: block;
}

.cp-option {
    padding: 0.45rem 0.7rem;
    border-radius: 6px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.78rem;
    color: var(--text-secondary);
    cursor: default;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    transition: background 0.1s;
}

.cp-option:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
}

.cp-option.cp-current {
    background: rgba(59, 130, 246, 0.12);
    color: var(--primary-light);
    border: 1px solid rgba(59, 130, 246, 0.25);
}

.cp-option-note {
    font-size: 0.66rem;
    color: var(--text-muted);
    font-family: sans-serif;
    font-style: italic;
    white-space: nowrap;
}

.cp-option.cp-current .cp-option-note {
    color: rgba(147, 197, 253, 0.6);
}

/* ===== UTILITY CLASSES (replaces all inline styles) ===== */
.stat-val-xl { font-size: 1.5rem; }
.stat-val-lg { font-size: 1.2rem; }
.stat-val-sm { font-size: 1rem; }
.header-subkey { font-size: 0.65rem; color: var(--text-muted); font-family: 'SF Mono','Fira Code',monospace; }
.toolbar-pad { padding: 0.5rem 0.5rem 0; }
.backend-health-path { color: var(--cyan); font-family: 'SF Mono','Fira Code',monospace; }
.backend-desc-text { font-family: sans-serif; font-size: 0.72rem; color: var(--text-muted); }
.col-expand { width: 1.5rem; }
.route-redirect-label { color: var(--warning); font-family: 'SF Mono','Fira Code',monospace; font-size: 0.75rem; }
.route-detail-muted { color: var(--text-muted); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1800px) {
    .tab-panel.sections-grid.active {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .content-container {
        width: 100vw;
        max-width: 100vw;
        padding: 1rem 0.75rem;
    }

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

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

    .setting-row {
        grid-template-columns: minmax(110px, 38%) 1fr;
        border-right: none;
    }

    .backends-grid {
        grid-template-columns: 1fr;
        padding: 1rem;
    }

    .routes-table {
        font-size: 0.74rem;
    }

    .routes-table td,
    .routes-table th {
        padding: 0.55rem 0.7rem;
    }

    .header-content {
        gap: 1rem;
    }

    .logo-image { height: 44px; }
    .page-title { font-size: 1.3rem; }
    .content-container { padding: 1.25rem 1rem; }
}

@media (max-width: 480px) {
    .overview-grid { grid-template-columns: 1fr; }
    .content-container { padding: 1rem 0.75rem; }
    .stat-card-value { font-size: 1rem; }
}

/* ===== FOOTER ===== */
.cp-footer {
    background: linear-gradient(135deg, #07090f 0%, #0a0f1e 100%);
    border-top: 1px solid var(--border);
    padding: 1.5rem 1rem;
    position: relative;
    z-index: 10;
}

.cp-footer-inner {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.cp-footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.cp-footer-logo {
    font-size: 1.1rem;
}

.cp-footer-name {
    font-size: 0.85rem;
    background: linear-gradient(90deg, var(--primary-light), var(--violet));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cp-footer-meta {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-style: italic;
}

.cp-footer-copy {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.cp-footer-sep {
    color: var(--border-bright);
}

.cp-footer-link {
    color: var(--primary-light);
    text-decoration: none;
    transition: color 0.15s;
}

.cp-footer-link:hover {
    color: var(--cyan);
}

/* ===== FUTURISTIC THEMATIC STYLING - BASED ON TOML CONTENT ===== */

/* TLS & PKI — amber/gold: certificate security, trust chain */
#tab-tls .config-section::before {
    background: linear-gradient(90deg, #f59e0b, #fbbf24, #f59e0b);
    opacity: 0.5;
}
#tab-tls .section-key { color: #fbbf24; background: rgba(251, 191, 36, 0.08); border-color: rgba(251, 191, 36, 0.2); }
#tab-tls .setting-key { color: #fbbf24; }

/* Post-Quantum Crypto — violet/purple: quantum-resistant algorithms */
#tab-pqc .config-section::before {
    background: linear-gradient(90deg, #8b5cf6, #a78bfa, #c4b5fd, #8b5cf6);
    opacity: 0.6;
}
#tab-pqc .section-key { color: #c4b5fd; background: rgba(139, 92, 246, 0.1); border-color: rgba(139, 92, 246, 0.25); }
#tab-pqc .setting-key { color: #a78bfa; }
#tab-pqc .section-title-bar {
    background: linear-gradient(90deg, rgba(139, 92, 246, 0.12) 0%, rgba(139, 92, 246, 0.04) 60%, transparent 100%);
}

/* Security & WAF — red/orange: threat detection, blocking */
#tab-security .config-section::before {
    background: linear-gradient(90deg, #ef4444, #f97316, #ef4444);
    opacity: 0.45;
}
#tab-security .section-key { color: #fca5a5; background: rgba(239, 68, 68, 0.08); border-color: rgba(239, 68, 68, 0.2); }
#tab-security .setting-key { color: #fb923c; }

/* Rate Limiting — amber/orange: throttle, control flow */
#tab-ratelimit .config-section::before {
    background: linear-gradient(90deg, #f59e0b, #fb923c, #f59e0b);
    opacity: 0.45;
}
#tab-ratelimit .section-key { color: #fcd34d; background: rgba(245, 158, 11, 0.08); border-color: rgba(245, 158, 11, 0.2); }
#tab-ratelimit .setting-key { color: #fbbf24; }

/* Circuit Breaker — cyan: flow control, state machine */
#tab-circuitbreaker .config-section::before {
    background: linear-gradient(90deg, #06b6d4, #22d3ee, #06b6d4);
    opacity: 0.5;
}
#tab-circuitbreaker .section-key { color: #67e8f9; background: rgba(6, 182, 212, 0.08); border-color: rgba(6, 182, 212, 0.2); }
#tab-circuitbreaker .setting-key { color: #22d3ee; }

/* HTTP/3 & Cache — blue: high-performance transport */
#tab-http3cache .config-section::before {
    background: linear-gradient(90deg, #3b82f6, #60a5fa, #3b82f6);
    opacity: 0.5;
}

/* Headers — slate/cool: security policies */
#tab-headers .config-section::before {
    background: linear-gradient(90deg, #94a3b8, #cbd5e1, #94a3b8);
    opacity: 0.4;
}
#tab-headers .section-key { color: #cbd5e1; background: rgba(148, 163, 184, 0.08); border-color: rgba(148, 163, 184, 0.2); }

/* Backends & LB — emerald/green: healthy upstream services */
#tab-backends .config-section::before {
    background: linear-gradient(90deg, #10b981, #34d399, #10b981);
    opacity: 0.5;
}
#tab-backends .section-key { color: #6ee7b7; background: rgba(16, 185, 129, 0.08); border-color: rgba(16, 185, 129, 0.2); }
#tab-backends .backend-card::before {
    background: linear-gradient(90deg, #10b981, #34d399);
    opacity: 0.6;
}

/* Routes — blue/indigo: traffic routing rules */
#tab-routes .config-section::before {
    background: linear-gradient(90deg, #6366f1, #818cf8, #6366f1);
    opacity: 0.5;
}

/* Logging & Admin — violet/blue: observability */
#tab-logging .config-section::before {
    background: linear-gradient(90deg, #7c3aed, #8b5cf6, #7c3aed);
    opacity: 0.45;
}

/* Raw TOML — monochrome terminal look */
#tab-rawtoml .raw-toml-container::before {
    background: linear-gradient(90deg, var(--cyan), var(--violet), var(--primary), var(--cyan));
    opacity: 0.7;
}

/* ===== HUD-STYLE ENHANCEMENTS ===== */

/* Corner notch on stat cards — futuristic HUD cutout */
.stat-card.status-ok::after,
.stat-card.status-info::after,
.stat-card.status-violet::after,
.stat-card.status-warn::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 18px;
    height: 18px;
    background: var(--bg-base);
    clip-path: polygon(100% 0, 100% 100%, 0 100%);
    opacity: 0.6;
}

/* Animated scan line on hovered stat cards */
.stat-card:hover::after {
    opacity: 0;
}

/* Subsection headings — styled by tab */
#tab-ratelimit .subsection-heading { border-left: 3px solid #f59e0b; }
#tab-ratelimit .subsection-heading::before { background: linear-gradient(180deg, #f59e0b, #fb923c); }
#tab-security .subsection-heading::before { background: linear-gradient(180deg, #ef4444, #f97316); }
#tab-circuitbreaker .subsection-heading::before { background: linear-gradient(180deg, var(--cyan), #22d3ee); }

/* Tab buttons — themed active state by tab */
.tab-btn[data-tab="tls"].active { color: #fbbf24; border-bottom-color: #f59e0b; }
.tab-btn[data-tab="tls"].active::after { background: linear-gradient(90deg, transparent, #fbbf24, #f59e0b, transparent); }
.tab-btn[data-tab="pqc"].active { color: #c4b5fd; border-bottom-color: var(--violet); }
.tab-btn[data-tab="pqc"].active::after { background: linear-gradient(90deg, transparent, #c4b5fd, var(--violet), transparent); }
.tab-btn[data-tab="security"].active { color: #fca5a5; border-bottom-color: #ef4444; }
.tab-btn[data-tab="security"].active::after { background: linear-gradient(90deg, transparent, #fca5a5, #ef4444, transparent); }
.tab-btn[data-tab="ratelimit"].active { color: #fcd34d; border-bottom-color: #f59e0b; }
.tab-btn[data-tab="ratelimit"].active::after { background: linear-gradient(90deg, transparent, #fcd34d, #f59e0b, transparent); }
.tab-btn[data-tab="circuitbreaker"].active { color: #67e8f9; border-bottom-color: var(--cyan); }
.tab-btn[data-tab="circuitbreaker"].active::after { background: linear-gradient(90deg, transparent, #67e8f9, var(--cyan), transparent); }
.tab-btn[data-tab="backends"].active { color: #6ee7b7; border-bottom-color: #10b981; }
.tab-btn[data-tab="backends"].active::after { background: linear-gradient(90deg, transparent, #6ee7b7, #10b981, transparent); }

/* Section title text color follows tab theme */
#tab-pqc .section-title { color: #c4b5fd; }
#tab-security .section-title { color: #fca5a5; }
#tab-circuitbreaker .section-title { color: #67e8f9; }
#tab-backends .section-title { color: #6ee7b7; }

/* Backend type badges — color by role */
.backend-type-badge { letter-spacing: 0.08em; }

/* Value emphasis on key metric rows */
.stat-card.status-violet .stat-card-value { color: #c4b5fd; }
.stat-card.status-ok .stat-card-value { color: #6ee7b7; }
.stat-card.status-warn .stat-card-value { color: #fcd34d; }
.stat-card.status-info .stat-card-value { color: var(--primary-light); }

/* Overview nav cards — color by destination tab */
.cp-nav-card[data-goto-tab="tls"] { border-left-color: #f59e0b; }
.cp-nav-card[data-goto-tab="pqc"] { border-left-color: var(--violet); }
.cp-nav-card[data-goto-tab="security"] { border-left-color: #ef4444; }
.cp-nav-card[data-goto-tab="ratelimit"] { border-left-color: #f59e0b; }
.cp-nav-card[data-goto-tab="circuitbreaker"] { border-left-color: var(--cyan); }
.cp-nav-card[data-goto-tab="backends"] { border-left-color: #10b981; }
.cp-nav-card[data-goto-tab="routes"] { border-left-color: #6366f1; }
.cp-nav-card[data-goto-tab="logging"] { border-left-color: var(--violet); }
.cp-nav-card[data-goto-tab="http3cache"] { border-left-color: var(--primary); }
.cp-nav-card[data-goto-tab="headers"] { border-left-color: #94a3b8; }
.cp-nav-card[data-goto-tab="server"] { border-left-color: var(--cyan); }

/* Nav card label inherits the tab's theme color */
.cp-nav-card[data-goto-tab="tls"] .stat-card-label { color: #fbbf24; }
.cp-nav-card[data-goto-tab="pqc"] .stat-card-label { color: #c4b5fd; }
.cp-nav-card[data-goto-tab="security"] .stat-card-label { color: #fca5a5; }
.cp-nav-card[data-goto-tab="ratelimit"] .stat-card-label { color: #fcd34d; }
.cp-nav-card[data-goto-tab="circuitbreaker"] .stat-card-label { color: #67e8f9; }
.cp-nav-card[data-goto-tab="backends"] .stat-card-label { color: #6ee7b7; }
.cp-nav-card[data-goto-tab="routes"] .stat-card-label { color: #818cf8; }

/* Readonly notice — themed per tab */
#tab-pqc .readonly-notice {
    background: rgba(139, 92, 246, 0.08);
    border-color: rgba(139, 92, 246, 0.3);
    color: #c4b5fd;
}

/* Section body: subtle dot-grid texture on config sections */
.section-body {
    background-image: radial-gradient(rgba(59, 130, 246, 0.06) 1px, transparent 1px);
    background-size: 24px 24px;
}

/* Setting rows: no background bleed over the dot grid */
.setting-row {
    background: var(--bg-card);
}

.setting-row:hover {
    background: rgba(10, 18, 40, 0.98);
}

/* ===== PER-TAB TOOLTIP ACCENT COLOURS (border-top matches tab theme) ===== */
#tab-tls .setting-desc          { border-top-color: #f59e0b; }
#tab-tls .setting-desc::after   { border-top-color: #f59e0b; }

#tab-pqc .setting-desc          { border-top-color: #8b5cf6; }
#tab-pqc .setting-desc::after   { border-top-color: #8b5cf6; }

#tab-security .setting-desc     { border-top-color: #ef4444; }
#tab-security .setting-desc::after { border-top-color: #ef4444; }

#tab-ratelimit .setting-desc    { border-top-color: #f59e0b; }
#tab-ratelimit .setting-desc::after { border-top-color: #f59e0b; }

#tab-circuitbreaker .setting-desc      { border-top-color: #06b6d4; }
#tab-circuitbreaker .setting-desc::after { border-top-color: #06b6d4; }

#tab-backends .setting-desc     { border-top-color: #10b981; }
#tab-backends .setting-desc::after { border-top-color: #10b981; }

#tab-http3cache .setting-desc   { border-top-color: #3b82f6; }
#tab-http3cache .setting-desc::after { border-top-color: #3b82f6; }

#tab-logging .setting-desc      { border-top-color: #8b5cf6; }
#tab-logging .setting-desc::after { border-top-color: #8b5cf6; }