/* AegisSIEM — Apple HIG Design System */

/* Base & Light Theme */
:root,
[data-theme="light"] {
    /* Colors — Light */
    --color-accent: #007AFF;
    --color-accent-hover: #0066D6;
    --color-bg-primary: #F2F2F7;
    --color-bg-elevated: #FFFFFF;
    --color-bg-secondary: #E5E5EA;
    --color-surface: #FFFFFF;
    --color-surface-secondary: #F2F2F7;
    --color-surface-hover: #E5E5EA;
    --color-bg-sidebar: rgba(242, 242, 247, 0.85);
    --color-label-primary: #000000;
    --color-label-secondary: #3C3C43CC;
    --color-label-tertiary: #3C3C434D;
    --color-separator: #C6C6C8;
    --color-separator-light: rgba(60, 60, 67, 0.12);
    --color-fill: #78788033;
    --color-fill-secondary: #78788028;
    --shadow-card: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-elevated: 0 4px 16px rgba(0,0,0,0.12);
    --theme-nav-active-bg: rgba(0, 122, 255, 0.12);

    /* Legacy / Settings Card Aliases */
    --bg-card: var(--color-bg-secondary);
    --border-color: var(--color-separator);
    --text-primary: var(--color-label-primary);
    --text-secondary: var(--color-label-secondary);
    --text-muted: var(--color-label-tertiary);
    --primary: var(--color-accent);
    --danger: var(--color-critical);

    /* Severity */
    --color-critical: #FF3B30;
    --color-high: #FF9500;
    --color-medium: #FFCC00;
    --color-low: #34C759;
    --color-info: #5AC8FA;

    /* Layout */
    --sidebar-width: 220px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', system-ui, sans-serif;
    --font-mono: 'SF Mono', ui-monospace, 'Menlo', monospace;
    --font-large-title: 600 28px/34px var(--font-family);
    --font-title1: 600 22px/28px var(--font-family);
    --font-title2: 600 17px/22px var(--font-family);
    --font-title3: 600 15px/20px var(--font-family);
    --font-headline: 600 13px/18px var(--font-family);
    --font-body: 400 13px/18px var(--font-family);
    --font-callout: 400 12px/16px var(--font-family);
    --font-caption: 400 11px/14px var(--font-family);

    /* Transitions */
    --duration-fast: 150ms;
}

/* System Dark Mode (when not forced to light or oled) */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]):not([data-theme="oled"]) {
        --color-accent: #0A84FF;
        --color-accent-hover: #409CFF;
        --color-bg-primary: #000000;
        --color-bg-elevated: #1C1C1E;
        --color-bg-secondary: #2C2C2E;
        --color-surface: #1C1C1E;
        --color-surface-secondary: #2C2C2E;
        --color-surface-hover: #3A3A3C;
        --color-bg-sidebar: rgba(28, 28, 30, 0.85);
        --color-label-primary: #FFFFFF;
        --color-label-secondary: #EBEBF5CC;
        --color-label-tertiary: #EBEBF54D;
        --color-separator: #38383A;
        --color-separator-light: rgba(235, 235, 245, 0.12);
        --color-fill: #78788033;
        --color-fill-secondary: #78788028;
        --shadow-card: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
        --shadow-elevated: 0 4px 16px rgba(0,0,0,0.4);
        --theme-nav-active-bg: rgba(10, 132, 255, 0.20);
    }
}

/* Explicit Dark Mode */
[data-theme="dark"] {
    --color-accent: #0A84FF;
    --color-accent-hover: #409CFF;
    --color-bg-primary: #000000;
    --color-bg-elevated: #1C1C1E;
    --color-bg-secondary: #2C2C2E;
    --color-surface: #1C1C1E;
    --color-surface-secondary: #2C2C2E;
    --color-surface-hover: #3A3A3C;
    --color-bg-sidebar: rgba(28, 28, 30, 0.85);
    --color-label-primary: #FFFFFF;
    --color-label-secondary: #EBEBF5CC;
    --color-label-tertiary: #EBEBF54D;
    --color-separator: #38383A;
    --color-separator-light: rgba(235, 235, 245, 0.12);
    --color-fill: #78788033;
    --color-fill-secondary: #78788028;
    --shadow-card: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
    --shadow-elevated: 0 4px 16px rgba(0,0,0,0.4);
    --theme-nav-active-bg: rgba(10, 132, 255, 0.20);
}

/* Explicit OLED Pure Black Mode */
[data-theme="oled"] {
    --color-accent: #0A84FF;
    --color-accent-hover: #409CFF;
    --color-bg-primary: #000000;
    --color-bg-elevated: #08080A;
    --color-bg-secondary: #121215;
    --color-surface: #08080A;
    --color-surface-secondary: #121215;
    --color-surface-hover: #1C1C22;
    --color-bg-sidebar: rgba(8, 8, 10, 0.95);
    --color-label-primary: #FFFFFF;
    --color-label-secondary: #A1A1A6;
    --color-label-tertiary: #636366;
    --color-separator: #222228;
    --color-separator-light: rgba(255, 255, 255, 0.08);
    --color-fill: #222228;
    --color-fill-secondary: #16161A;
    --shadow-card: 0 0 0 1px #222228;
    --shadow-elevated: 0 0 0 1px #33333A, 0 8px 24px rgba(0,0,0,0.85);
    --theme-nav-active-bg: rgba(10, 132, 255, 0.25);
}

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font: var(--font-body);
    background: var(--color-bg-primary);
    color: var(--color-label-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* App Layout */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-bg-sidebar);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-right: 1px solid var(--color-separator);
    padding: 16px 0;
    flex-shrink: 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 8px 16px 20px;
}

.sidebar-title-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.mobile-nav-close {
    display: none;
    background: none;
    border: none;
    color: var(--color-label-primary);
    font-size: 26px;
    line-height: 1;
    width: 44px;
    height: 44px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    align-items: center;
    justify-content: center;
    transition: background var(--duration-fast);
}

.mobile-nav-close:hover {
    background: var(--color-fill);
}

.app-title {
    font: var(--font-title2);
    color: var(--color-label-primary);
}

.app-subtitle {
    font: var(--font-caption);
    color: var(--color-label-tertiary);
    margin-top: 2px;
}

.nav-list {
    list-style: none;
    padding: 0 8px;
}

.nav-list-bottom {
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--color-separator);
}

.sidebar-theme-item {
    padding: 6px 8px;
    margin-top: 4px;
}

.sidebar-theme-picker {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    background: var(--color-fill-secondary);
}

.sidebar-theme-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font: var(--font-caption);
    color: var(--color-label-secondary);
    font-weight: 500;
}

.theme-select {
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-separator);
    background: var(--color-bg-elevated);
    color: var(--color-label-primary);
    font: var(--font-caption);
    outline: none;
    cursor: pointer;
    min-height: 28px;
}

.theme-toggle-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-label-primary);
    transition: background var(--duration-fast);
}

.theme-toggle-btn:hover {
    background: var(--color-fill);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font: var(--font-body);
    color: var(--color-label-primary);
    text-decoration: none;
    transition: background var(--duration-fast);
    margin-bottom: 2px;
}

.nav-item:hover {
    background: var(--color-fill);
}

.nav-item.active {
    background: var(--theme-nav-active-bg, rgba(0, 122, 255, 0.12));
    color: var(--color-accent);
    font-weight: 600;
}

.nav-badge {
    margin-left: auto;
    background: var(--color-critical);
    color: white;
    font: var(--font-caption);
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 24px;
    max-width: 1200px;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-title {
    font: var(--font-large-title);
    color: var(--color-label-primary);
}

/* Status Cards Row */
.status-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.status-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-card);
}

.status-card .card-label {
    font: var(--font-caption);
    color: var(--color-label-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.status-card .card-value {
    font: var(--font-title1);
    margin-top: 4px;
}

.status-card .card-value.critical { color: var(--color-critical); }
.status-card .card-value.warning { color: var(--color-high); }
.status-card .card-value.success { color: var(--color-low); }
.status-card .card-value.info { color: var(--color-accent); }

/* Section */
.section {
    margin-bottom: 24px;
}

.section-title {
    font: var(--font-headline);
    color: var(--color-label-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 12px;
}

/* Cards */
.card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-separator);
}

.card-body {
    padding: 16px;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    font: var(--font-body);
}

th {
    text-align: left;
    padding: 8px 12px;
    font: var(--font-headline);
    color: var(--color-label-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: var(--color-fill-secondary);
}

td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-separator);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--color-fill-secondary); }

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 6px;
    font: var(--font-caption);
    font-weight: 600;
}

.badge-critical { background: rgba(255, 59, 48, 0.12); color: var(--color-critical); }
.badge-high { background: rgba(255, 149, 0, 0.12); color: var(--color-high); }
.badge-medium { background: rgba(255, 204, 0, 0.12); color: var(--color-medium); }
.badge-low { background: rgba(52, 199, 89, 0.12); color: var(--color-low); }
.badge-info { background: rgba(0, 122, 255, 0.12); color: var(--color-accent); }

.badge-open { background: rgba(255, 59, 48, 0.12); color: var(--color-critical); }
.badge-blocked { background: rgba(255, 149, 0, 0.12); color: var(--color-high); }
.badge-resolved { background: rgba(52, 199, 89, 0.12); color: var(--color-low); }

.badge-network { background: rgba(0, 122, 255, 0.12); color: var(--color-accent); }
.badge-device { background: rgba(175, 82, 222, 0.12); color: #AF52DE; }
.badge-dns { background: rgba(90, 200, 250, 0.12); color: var(--color-info); }
.badge-iptables { background: rgba(255, 149, 0, 0.12); color: var(--color-high); }
.badge-both { background: rgba(52, 199, 89, 0.12); color: var(--color-low); }
.badge-cname { background: rgba(90, 200, 250, 0.16); color: var(--color-info); border: 1px solid rgba(90, 200, 250, 0.3); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 6px 12px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--color-fill);
    font: var(--font-body);
    font-weight: 500;
    color: var(--color-label-primary);
    cursor: pointer;
    transition: all var(--duration-fast);
}

.btn:hover { opacity: 0.85; }
.btn:disabled { opacity: 0.4; cursor: default; }

.btn-primary { background: var(--color-accent); color: white; }
.btn-danger { background: var(--color-critical); color: white; }
.btn-success { background: var(--color-low); color: white; }
.btn-secondary { background: var(--color-fill); color: var(--color-label-primary); }
.btn-sm { padding: 4px 8px; font: var(--font-caption); }

.btn-filter {
    background: var(--color-fill-secondary);
    border: 1px solid var(--color-separator-light);
    color: var(--color-label-secondary);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    font: var(--font-caption);
    font-weight: 600;
    transition: all var(--duration-fast);
}
.btn-filter:hover {
    background: var(--color-surface-hover);
    color: var(--color-label-primary);
    border-color: var(--color-separator);
    opacity: 1;
}
.btn-filter.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #FFFFFF;
    box-shadow: 0 2px 6px rgba(0, 122, 255, 0.25);
}

/* IP styling */
.ip { font-family: var(--font-mono); color: var(--color-accent); font-size: 12px; }
.timestamp { font-family: var(--font-mono); color: var(--color-label-tertiary); font-size: 11px; }

/* Toggle Switch */
.toggle,
.toggle-switch {
    display: inline-block;
    position: relative;
    width: 42px;
    height: 26px;
    cursor: pointer;
    flex-shrink: 0;
}

.toggle input,
.toggle-switch input { display: none; }

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--color-fill);
    border-radius: 13px;
    transition: background var(--duration-fast);
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 22px;
    height: 22px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    transition: transform var(--duration-fast);
}

.toggle input:checked + .toggle-slider,
.toggle-switch input:checked + .toggle-slider {
    background: var(--color-low);
}

.toggle input:checked + .toggle-slider::after,
.toggle-switch input:checked + .toggle-slider::after {
    transform: translateX(16px);
}

/* Rule Card */
.rule-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.rule-card .rule-info { flex: 1; }
.rule-card .rule-name { font: var(--font-title3); }
.rule-card .rule-meta { font: var(--font-caption); color: var(--color-label-secondary); margin-top: 4px; }
.rule-card .rule-badges { display: flex; gap: 6px; margin-top: 6px; }
.rule-card .rule-actions { display: flex; gap: 8px; align-items: center; }

/* Schedule blocks */
.schedule-row {
    display: flex;
    gap: 4px;
    margin-top: 8px;
}

.schedule-day {
    padding: 2px 6px;
    border-radius: 4px;
    font: var(--font-caption);
    font-weight: 600;
}

.schedule-day.active {
    background: rgba(0, 122, 255, 0.12);
    color: var(--color-accent);
}

.schedule-day.inactive {
    background: var(--color-fill-secondary);
    color: var(--color-label-tertiary);
}

.schedule-time {
    font: var(--font-caption);
    color: var(--color-label-secondary);
    margin-left: 8px;
}

/* Category Card */
.category-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: 16px;
    cursor: pointer;
    transition: all var(--duration-fast);
    text-align: center;
}

.category-card:hover {
    box-shadow: var(--shadow-elevated);
    transform: translateY(-1px);
}

.category-card .cat-name { font: var(--font-title3); margin-top: 8px; }
.category-card .cat-count { font: var(--font-caption); color: var(--color-label-secondary); }

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: flex-start;
    padding-top: 8vh;
}

.modal-overlay.active { display: flex; }

.modal-content {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 560px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-elevated);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-separator);
}

.modal-header h2 { font: var(--font-title2); }

.modal-body { padding: 20px; }

.modal-close {
    background: none;
    border: none;
    color: var(--color-label-secondary);
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
}

/* Form fields */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font: var(--font-headline);
    color: var(--color-label-secondary);
    margin-bottom: 6px;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--color-separator);
    border-radius: var(--radius-sm);
    background: var(--color-fill-secondary);
    color: var(--color-label-primary);
    font: var(--font-body);
    outline: none;
    transition: border-color var(--duration-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--color-accent);
}

.form-textarea { resize: vertical; min-height: 80px; }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--color-label-tertiary);
}

.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state .empty-text { font: var(--font-body); }

/* --- IP Profile Overlay --- */

.overlay {
    position: fixed; inset: 0; z-index: 1000;
    display: flex; justify-content: flex-end;
}
.overlay-backdrop {
    position: absolute; inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
}
.overlay-panel {
    position: relative; z-index: 1;
    width: min(520px, 90vw); height: 100vh;
    background: var(--color-bg-elevated);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
    overflow-y: auto; padding: 24px;
    display: flex; flex-direction: column; gap: 16px;
}
.overlay-header {
    display: flex; justify-content: space-between; align-items: center;
}
.overlay-title { font: var(--font-title2); margin: 0; }
.overlay-header-actions { display: flex; gap: 8px; }

.service-status-row { display: flex; gap: 6px; flex-wrap: wrap; }
.svc-badge {
    font: var(--font-caption1); padding: 2px 8px;
    border-radius: var(--radius-sm);
    background: var(--color-fill-secondary);
    color: var(--color-label-secondary);
}
.svc-badge.svc-ok { background: #34C75922; color: #248A3D; }
.svc-badge.svc-off { background: #FF3B3022; color: #D70015; }

.overlay-summary-card {
    background: var(--color-bg-primary); border-radius: var(--radius-md);
    padding: 16px;
}
.summary-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
}
.summary-item { display: flex; flex-direction: column; gap: 2px; }
.summary-label { font: var(--font-caption1); color: var(--color-label-secondary); }
.summary-value { font: var(--font-body); font-weight: 500; }

.overlay-sections { display: flex; flex-direction: column; gap: 4px; }
.overlay-section {
    border: 1px solid var(--color-separator); border-radius: var(--radius-sm);
}
.overlay-section summary {
    padding: 10px 14px; cursor: pointer;
    font: var(--font-subhead); font-weight: 600;
    list-style: none;
}
.overlay-section summary::before { content: "▸ "; }
.overlay-section[open] summary::before { content: "▾ "; }
.overlay-section .section-content { padding: 0 14px 12px; font: var(--font-body); }

.overlay-table { width: 100%; border-collapse: collapse; font: var(--font-caption1); }
.overlay-table th { text-align: left; padding: 4px 6px; border-bottom: 1px solid var(--color-separator); }
.overlay-table td { padding: 4px 6px; border-bottom: 1px solid var(--color-fill-secondary); }

.overlay-action-bar {
    display: flex; gap: 8px; padding-top: 8px;
    border-top: 1px solid var(--color-separator);
}
.btn-action {
    flex: 1; padding: 10px; border: none; border-radius: var(--radius-sm);
    font: var(--font-subhead); font-weight: 600; cursor: pointer;
    transition: background 0.15s;
}
.btn-recon { background: var(--color-fill); color: var(--color-label-primary); }
.btn-recon:hover { background: var(--color-fill-secondary); }
.btn-blue { background: #007AFF22; color: #007AFF; }
.btn-blue:hover { background: #007AFF33; }
.btn-red { background: #FF3B3022; color: #FF3B30; }
.btn-red:hover { background: #FF3B3033; }

.ip-link {
    color: var(--color-accent); cursor: pointer; text-decoration: underline;
}
.ip-link:hover { color: var(--color-accent-hover); }

/* Assessment card */
.assessment-card {
    background: var(--color-bg-primary); border-radius: var(--radius-md);
    padding: 16px; display: flex; flex-direction: column; gap: 12px;
}
.assess-title { font: var(--font-title3); margin: 0; }
.assess-tier {
    font: var(--font-caption1); font-weight: 600; padding: 4px 10px;
    background: var(--color-fill); border-radius: var(--radius-sm);
    display: inline-block;
}
.assess-summary { font: var(--font-body); color: var(--color-label-secondary); }
.assess-mitre { font: var(--font-caption1); color: var(--color-label-tertiary); }

.assess-options { display: flex; flex-direction: column; gap: 8px; }
.option-card {
    background: var(--color-bg-elevated); border: 1px solid var(--color-separator);
    border-radius: var(--radius-sm); padding: 12px; cursor: pointer;
    transition: border-color 0.15s;
}
.option-card:hover { border-color: var(--color-accent); }
.option-name { font: var(--font-subhead); font-weight: 600; }
.option-desc { font: var(--font-caption1); color: var(--color-label-secondary); margin-top: 4px; }
.option-steps { font: var(--font-caption2); color: var(--color-label-tertiary); margin-top: 4px; }

.assess-more { display: flex; gap: 8px; align-items: center; }
.focus-select {
    flex: 1; padding: 6px 8px; border: 1px solid var(--color-separator);
    border-radius: var(--radius-sm); font: var(--font-caption1);
    background: var(--color-bg-elevated);
}
.assess-escalate { margin-top: 4px; }
.btn-danger { background: #FF3B30; color: #fff; border: none; }
.btn-danger:hover { background: #D70015; }

.thinking-indicator {
    text-align: center; padding: 24px; font: var(--font-body);
    color: var(--color-label-secondary); animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

.rate-limited, .assess-error {
    padding: 12px; border-radius: var(--radius-sm);
    background: #FF950022; color: #C93400; font: var(--font-body);
}

.chain-started {
    padding: 12px; background: #34C75922; color: #248A3D;
    border-radius: var(--radius-sm); font: var(--font-body);
}
.step-result { padding: 6px 12px; font: var(--font-caption1); border-radius: var(--radius-sm); }
.step-executed { background: #34C75922; color: #248A3D; }
.step-skipped { background: var(--color-fill-secondary); color: var(--color-label-secondary); }
.step-error { padding: 6px 12px; background: #FF3B3022; color: #D70015; font: var(--font-caption1); }

.btn-row-action {
    padding: 4px 10px; border: 1px solid var(--color-separator);
    border-radius: var(--radius-sm); background: var(--color-bg-elevated);
    color: var(--color-label-primary);
    font: var(--font-caption1); cursor: pointer;
    transition: background 0.15s;
}
.btn-row-action:hover { background: var(--color-fill); }

/* Mobile Topbar & Drawer */
.mobile-topbar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--color-bg-sidebar);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-separator);
    z-index: 95;
    padding: 0 12px;
    align-items: center;
    justify-content: space-between;
}

.mobile-nav-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    transition: background var(--duration-fast);
    padding: 10px;
}

.mobile-nav-toggle:hover {
    background: var(--color-fill);
}

.hamburger-icon {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 20px;
    height: 14px;
}

.hamburger-icon span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--color-label-primary);
    border-radius: 2px;
    transition: transform var(--duration-fast), opacity var(--duration-fast);
}

.mobile-topbar-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.mobile-app-name {
    font: var(--font-title3);
    color: var(--color-label-primary);
    font-weight: 700;
    line-height: 1.2;
}

.mobile-page-name {
    font: var(--font-caption);
    color: var(--color-label-secondary);
    line-height: 1;
}

.mobile-topbar-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-topbar {
        display: flex;
    }
    .mobile-nav-close {
        display: flex;
    }
    .sidebar-backdrop {
        display: block;
    }
    .sidebar-backdrop.active {
        opacity: 1;
        pointer-events: auto;
    }
    .sidebar {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 280px;
        max-width: 85vw;
        z-index: 1000;
        box-shadow: var(--shadow-elevated);
        transform: translateX(-100%);
        transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    body.mobile-nav-lock {
        overflow: hidden;
    }
    .main-content {
        margin-left: 0;
        padding: 16px;
        padding-top: 72px;
    }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .status-cards { grid-template-columns: repeat(2, 1fr); }
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .overlay-panel { width: 100vw; }
    .summary-grid { grid-template-columns: repeat(2, 1fr); }
    .card-body { overflow-x: auto; -webkit-overflow-scrolling: touch; }
}

@media (max-width: 480px) {
    .status-cards { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: 1fr; }
    .summary-grid { grid-template-columns: 1fr; }
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    background: var(--color-bg-elevated);
    color: var(--color-label-primary);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-elevated);
    font: var(--font-body);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 250px;
    max-width: 350px;
    animation: toast-slide-in 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    pointer-events: auto;
}

.toast.toast-error { border-left: 4px solid var(--color-critical); }
.toast.toast-success { border-left: 4px solid var(--color-low); }

@keyframes toast-slide-in {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toast-fade-out {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-10px); }
}

/* Settings Page */
.settings-group {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: 20px 24px;
    margin-bottom: 20px;
}

.settings-group-title {
    font: var(--font-title3);
    color: var(--color-label-primary);
    margin-bottom: 4px;
}

.settings-group-description {
    font: var(--font-callout);
    color: var(--color-label-secondary);
    margin-bottom: 16px;
}

.settings-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    padding: 14px 0;
    border-top: 1px solid var(--color-separator);
}

.settings-row:first-of-type {
    border-top: none;
}

.settings-label {
    flex: 1;
    min-width: 0;
}

.settings-label-text {
    display: block;
    font: var(--font-headline);
    color: var(--color-label-primary);
}

.settings-label-description {
    display: block;
    font: var(--font-caption);
    color: var(--color-label-secondary);
    margin-top: 2px;
}

.settings-control {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    max-width: 380px;
    width: 100%;
}

.settings-path-input {
    font-family: var(--font-mono);
    font-size: 12px;
}

.settings-number-input {
    width: 80px;
    text-align: center;
}

.settings-unit {
    font: var(--font-caption);
    color: var(--color-label-tertiary);
}

.btn-sm {
    padding: 4px 10px;
    font: var(--font-caption);
    font-weight: 500;
    min-height: 28px;
}

/* Path validation feedback */
.input-valid {
    border-color: var(--color-low) !important;
    box-shadow: 0 0 0 1px var(--color-low);
}

.input-error {
    border-color: var(--color-critical) !important;
    box-shadow: 0 0 0 1px var(--color-critical);
}

/* Toast notifications */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font: var(--font-body);
    font-weight: 500;
    color: white;
    z-index: 2000;
    animation: toast-fade-in 200ms ease;
}

.toast.hidden { display: none; }
.toast-success { background: var(--color-low); }
.toast-error { background: var(--color-critical); }
.toast-warning { background: var(--color-high); }

@keyframes toast-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Login Page */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
}

.login-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-elevated);
    padding: 40px 36px;
    width: 320px;
    text-align: center;
}

.login-title {
    font: var(--font-title1);
    color: var(--color-label-primary);
    margin-bottom: 4px;
}

.login-subtitle {
    font: var(--font-callout);
    color: var(--color-label-secondary);
    margin-bottom: 24px;
}

.login-pin-input {
    text-align: center;
    font-size: 20px;
    letter-spacing: 4px;
    padding: 12px;
}

.login-btn {
    width: 100%;
    margin-top: 16px;
    padding: 12px;
    min-height: 44px;
}

.login-error {
    font: var(--font-callout);
    color: var(--color-critical);
    margin-top: 8px;
}

.hidden { display: none; }

/* ============================================================
   Accessibility — audit #15 (touch targets), #16 (focus-visible),
   #22 (reduced motion). Appended; additive so it overrides earlier rules.
   ============================================================ */

/* #16 — visible keyboard focus indicator on every interactive element */
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
[role="button"]:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--color-accent, #007AFF);
    outline-offset: 2px;
    border-radius: 4px;
}

/* #15 — Apple HIG 44pt minimum touch target for button-like controls */
.btn,
button,
[role="button"],
.nav-item,
.nav-link {
    min-height: 44px;
}
/* opt-out for intentionally compact controls */
.btn-sm,
.btn-icon { min-height: 32px; }

/* #22 — honor the user's reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

/* Router Diagnostic & Health Check */
.router-diag-box {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-separator);
    border-radius: var(--radius-md);
    padding: 16px;
    transition: all var(--duration-fast) var(--ease-default);
}

.router-diag-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--color-separator);
}

.router-diag-summary-text {
    font: var(--font-headline);
    color: var(--color-label-primary);
}

.router-diag-checklist {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.router-diag-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 12px;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-separator);
}

.router-diag-icon {
    font-size: 16px;
    line-height: 1.2;
    flex-shrink: 0;
    margin-top: 1px;
}

.router-diag-body {
    flex: 1;
    min-width: 0;
}

.router-diag-title-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 2px;
}

.router-diag-name {
    font: var(--font-subheadline);
    font-weight: 600;
    color: var(--color-label-primary);
}

.router-diag-msg {
    font: var(--font-caption);
    color: var(--color-label-secondary);
    margin-top: 2px;
}

.router-diag-detail {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-label-tertiary);
    margin-top: 4px;
    word-break: break-all;
}

/* ==========================================================================
   Connected Devices & Quarantine System (NET-02 & NET-03)
   ========================================================================== */

.device-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.device-search-wrap {
    flex: 1;
    min-width: 260px;
}

.filter-pills {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.filter-pill {
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid var(--color-separator);
    background: var(--color-bg-elevated);
    color: var(--color-label-secondary);
    font: var(--font-caption);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast);
}

.filter-pill:hover {
    background: var(--color-fill);
    color: var(--color-label-primary);
}

.filter-pill.active {
    background: var(--color-accent);
    color: #FFFFFF;
    border-color: var(--color-accent);
}

.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.device-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-separator);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--duration-fast), box-shadow var(--duration-fast), border-color var(--duration-fast);
}

.device-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-elevated);
    border-color: var(--color-accent);
}

.device-card-quarantined {
    border-color: var(--color-critical);
    background: linear-gradient(180deg, var(--color-bg-elevated) 0%, rgba(255, 59, 48, 0.05) 100%);
}

.device-card-top {
    display: flex;
    align-items: center;
    gap: 12px;
}

.device-avatar {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--color-fill-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

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

.device-name-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.device-name {
    font: var(--font-title3);
    font-weight: 600;
    color: var(--color-label-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.device-rename-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 13px;
    color: var(--color-label-tertiary);
    padding: 2px 4px;
    border-radius: 4px;
    line-height: 1;
    transition: color var(--duration-fast);
}

.device-rename-btn:hover {
    color: var(--color-accent);
}

.device-subtext {
    font: var(--font-caption);
    color: var(--color-label-secondary);
    margin-top: 1px;
}

.device-status-badge {
    flex-shrink: 0;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font: var(--font-caption);
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
}

.status-pill-online {
    background: rgba(52, 199, 89, 0.15);
    color: #34C759;
}

.status-pill-offline {
    background: var(--color-fill);
    color: var(--color-label-tertiary);
}

.status-pill-quarantine {
    background: rgba(255, 59, 48, 0.18);
    color: #FF3B30;
    border: 1px solid rgba(255, 59, 48, 0.3);
}

.pulse-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #34C759;
    box-shadow: 0 0 0 0 rgba(52, 199, 89, 0.7);
    animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(52, 199, 89, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 5px rgba(52, 199, 89, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(52, 199, 89, 0); }
}

.device-details-grid {
    margin-top: 14px;
    padding-top: 10px;
    border-top: 1px solid var(--color-separator);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.detail-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font: var(--font-caption);
}

.detail-label {
    color: var(--color-label-secondary);
}

.detail-val {
    font-weight: 500;
    color: var(--color-label-primary);
}

.detail-val.copyable {
    cursor: pointer;
    transition: color var(--duration-fast);
}

.detail-val.copyable:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.badge-wifi5 {
    background: rgba(10, 132, 255, 0.15);
    color: #0A84FF;
}

.badge-wifi24 {
    background: rgba(90, 200, 250, 0.15);
    color: #32ADE6;
}

.badge-wired {
    background: rgba(88, 86, 214, 0.15);
    color: #5856D6;
}

.badge-guest {
    background: rgba(255, 149, 0, 0.15);
    color: #FF9500;
}

.quarantine-banner {
    background: rgba(255, 59, 48, 0.12);
    border: 1px solid rgba(255, 59, 48, 0.3);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    margin-top: 12px;
}

.q-banner-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font: var(--font-caption);
    color: var(--color-critical);
}

.q-countdown {
    font-family: var(--font-mono);
    font-weight: 700;
}

.q-banner-reason {
    font-size: 11px;
    color: var(--color-label-secondary);
    margin-top: 4px;
}

.device-card-actions {
    display: flex;
    gap: 8px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--color-separator);
}

.duration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 8px;
    margin-top: 6px;
}

.duration-btn {
    padding: 8px 10px;
    border: 1px solid var(--color-separator);
    background: var(--color-bg-elevated);
    color: var(--color-label-primary);
    border-radius: var(--radius-sm);
    font: var(--font-caption);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast);
}

.duration-btn:hover {
    background: var(--color-fill);
}

.duration-btn.active {
    background: var(--color-accent);
    color: #FFFFFF;
    border-color: var(--color-accent);
}

.spin-anim {
    animation: spin-kf 1s linear infinite;
}

@keyframes spin-kf {
    100% { transform: rotate(360deg); }
}

/* Device Groups (NET-04) */
.device-group-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-top: 10px;
}

.device-group-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 999px;
    letter-spacing: -0.01em;
}

.device-group-add-btn {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 11px;
    font-weight: 500;
    color: var(--color-accent);
    background: transparent;
    border: 1px dashed var(--color-separator);
    border-radius: 999px;
    padding: 2px 8px;
    cursor: pointer;
    transition: all var(--duration-fast);
}

.device-group-add-btn:hover {
    background: var(--color-fill);
    border-color: var(--color-accent);
}

.groups-list-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 340px;
    overflow-y: auto;
    margin-bottom: 16px;
}

.group-item-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-separator);
    border-radius: var(--radius-sm);
}

.group-item-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.group-item-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 16px;
}

.group-item-info {
    display: flex;
    flex-direction: column;
}

.group-item-name {
    font-weight: 600;
    font-size: 14px;
}

.group-item-meta {
    font-size: 11px;
    color: var(--color-label-secondary);
}

.device-checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 280px;
    overflow-y: auto;
    padding: 4px 0;
}

.device-checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--duration-fast);
}

.device-checkbox-item:hover {
    background: var(--color-fill);
}