/* ==========================================================================
   Home Gateway 3.0 - Design System with Left Sidebar & Multi-Theme System
   ========================================================================== */

/* 1. Theme Variables Definition */
:root, [data-theme="aurora"] {
    --theme-name: "aurora";
    --bg-base: #06090e;
    --bg-surface: rgba(16, 23, 37, 0.7);
    --bg-surface-elevated: rgba(22, 32, 51, 0.85);
    --bg-surface-hover: rgba(30, 43, 68, 0.95);
    --bg-glass-card: rgba(18, 26, 42, 0.62);
    --bg-glass-input: rgba(11, 16, 26, 0.85);

    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-card: rgba(255, 255, 255, 0.1);
    --border-card-hover: rgba(56, 139, 253, 0.55);
    --border-highlight: rgba(255, 255, 255, 0.16);

    --accent-primary: #1f6feb;
    --accent-hover: #388bfd;
    --accent-glow: rgba(56, 139, 253, 0.28);
    --aurora-1: rgba(56, 139, 253, 0.16);
    --aurora-2: rgba(163, 113, 247, 0.12);

    --text-primary: #f0f6fc;
    --text-secondary: #919bb0;
    --text-tertiary: #656f84;
}

[data-theme="gold"] {
    --theme-name: "gold";
    --bg-base: #080808;
    --bg-surface: rgba(24, 20, 15, 0.72);
    --bg-surface-elevated: rgba(34, 28, 20, 0.88);
    --bg-surface-hover: rgba(45, 37, 26, 0.95);
    --bg-glass-card: rgba(24, 20, 16, 0.65);
    --bg-glass-input: rgba(16, 13, 10, 0.85);

    --border-subtle: rgba(255, 215, 0, 0.08);
    --border-card: rgba(255, 215, 0, 0.12);
    --border-card-hover: rgba(245, 158, 11, 0.6);
    --border-highlight: rgba(255, 215, 0, 0.2);

    --accent-primary: #d97706;
    --accent-hover: #f59e0b;
    --accent-glow: rgba(245, 158, 11, 0.3);
    --aurora-1: rgba(245, 158, 11, 0.14);
    --aurora-2: rgba(217, 119, 6, 0.1);

    --text-primary: #fefce8;
    --text-secondary: #a8a29e;
    --text-tertiary: #78716c;
}

[data-theme="emerald"] {
    --theme-name: "emerald";
    --bg-base: #030806;
    --bg-surface: rgba(10, 24, 18, 0.72);
    --bg-surface-elevated: rgba(14, 34, 25, 0.88);
    --bg-surface-hover: rgba(19, 45, 34, 0.95);
    --bg-glass-card: rgba(11, 26, 20, 0.65);
    --bg-glass-input: rgba(7, 17, 13, 0.85);

    --border-subtle: rgba(16, 185, 129, 0.08);
    --border-card: rgba(16, 185, 129, 0.12);
    --border-card-hover: rgba(16, 185, 129, 0.6);
    --border-highlight: rgba(16, 185, 129, 0.2);

    --accent-primary: #059669;
    --accent-hover: #10b981;
    --accent-glow: rgba(16, 185, 129, 0.3);
    --aurora-1: rgba(16, 185, 129, 0.15);
    --aurora-2: rgba(6, 182, 212, 0.1);

    --text-primary: #ecfdf5;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
}

[data-theme="purple"] {
    --theme-name: "purple";
    --bg-base: #090510;
    --bg-surface: rgba(25, 15, 38, 0.72);
    --bg-surface-elevated: rgba(35, 21, 54, 0.88);
    --bg-surface-hover: rgba(48, 29, 74, 0.95);
    --bg-glass-card: rgba(26, 16, 40, 0.65);
    --bg-glass-input: rgba(16, 9, 26, 0.85);

    --border-subtle: rgba(168, 85, 247, 0.08);
    --border-card: rgba(168, 85, 247, 0.12);
    --border-card-hover: rgba(168, 85, 247, 0.6);
    --border-highlight: rgba(168, 85, 247, 0.22);

    --accent-primary: #9333ea;
    --accent-hover: #a855f7;
    --accent-glow: rgba(168, 85, 247, 0.32);
    --aurora-1: rgba(168, 85, 247, 0.16);
    --aurora-2: rgba(236, 72, 153, 0.12);

    --text-primary: #faf5ff;
    --text-secondary: #a8a29e;
    --text-tertiary: #71717a;
}

[data-theme="titanium"] {
    --theme-name: "titanium";
    --bg-base: #0a0c10;
    --bg-surface: rgba(22, 25, 32, 0.72);
    --bg-surface-elevated: rgba(30, 34, 43, 0.88);
    --bg-surface-hover: rgba(40, 45, 57, 0.95);
    --bg-glass-card: rgba(23, 27, 35, 0.65);
    --bg-glass-input: rgba(14, 16, 21, 0.85);

    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-card: rgba(255, 255, 255, 0.11);
    --border-card-hover: rgba(226, 232, 240, 0.6);
    --border-highlight: rgba(255, 255, 255, 0.2);

    --accent-primary: #475569;
    --accent-hover: #94a3b8;
    --accent-glow: rgba(148, 163, 184, 0.25);
    --aurora-1: rgba(148, 163, 184, 0.12);
    --aurora-2: rgba(203, 213, 225, 0.08);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
}

/* --------------------------------------------------------------------------
   Light Themes (浅色明朗系列)
   -------------------------------------------------------------------------- */
[data-theme="light-clean"] {
    --theme-name: "light-clean";
    --bg-base: #f4f6fb;
    --bg-surface: rgba(255, 255, 255, 0.82);
    --bg-surface-elevated: #ffffff;
    --bg-surface-hover: #f1f5f9;
    --bg-glass-card: rgba(255, 255, 255, 0.78);
    --bg-glass-input: #ffffff;

    --border-subtle: rgba(0, 0, 0, 0.06);
    --border-card: rgba(226, 232, 240, 0.9);
    --border-card-hover: rgba(37, 99, 235, 0.45);
    --border-highlight: rgba(37, 99, 235, 0.2);

    --accent-primary: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-glow: rgba(37, 99, 235, 0.18);
    --aurora-1: rgba(37, 99, 235, 0.09);
    --aurora-2: rgba(147, 51, 234, 0.06);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;

    --shadow-card: 0 4px 18px -2px rgba(15, 23, 42, 0.06);
    --shadow-card-hover: 0 12px 28px -4px rgba(37, 99, 235, 0.12);
    --shadow-modal: 0 25px 50px -12px rgba(15, 23, 42, 0.18);
}

[data-theme="light-warm"] {
    --theme-name: "light-warm";
    --bg-base: #faf6f0;
    --bg-surface: rgba(255, 253, 249, 0.85);
    --bg-surface-elevated: #ffffff;
    --bg-surface-hover: #f5ede2;
    --bg-glass-card: rgba(255, 253, 250, 0.82);
    --bg-glass-input: #ffffff;

    --border-subtle: rgba(120, 53, 15, 0.06);
    --border-card: rgba(231, 222, 209, 0.85);
    --border-card-hover: rgba(217, 119, 6, 0.45);
    --border-highlight: rgba(217, 119, 6, 0.22);

    --accent-primary: #d97706;
    --accent-hover: #b45309;
    --accent-glow: rgba(217, 119, 6, 0.2);
    --aurora-1: rgba(245, 158, 11, 0.1);
    --aurora-2: rgba(234, 88, 12, 0.06);

    --text-primary: #292524;
    --text-secondary: #57534e;
    --text-tertiary: #a8a29e;

    --shadow-card: 0 4px 18px -2px rgba(68, 64, 60, 0.06);
    --shadow-card-hover: 0 12px 28px -4px rgba(217, 119, 6, 0.14);
    --shadow-modal: 0 25px 50px -12px rgba(68, 64, 60, 0.18);
}

[data-theme="light-mint"] {
    --theme-name: "light-mint";
    --bg-base: #f0fdf4;
    --bg-surface: rgba(255, 255, 255, 0.85);
    --bg-surface-elevated: #ffffff;
    --bg-surface-hover: #e8f7ee;
    --bg-glass-card: rgba(255, 255, 255, 0.82);
    --bg-glass-input: #ffffff;

    --border-subtle: rgba(5, 150, 105, 0.08);
    --border-card: rgba(209, 237, 222, 0.9);
    --border-card-hover: rgba(5, 150, 105, 0.5);
    --border-highlight: rgba(5, 150, 105, 0.2);

    --accent-primary: #059669;
    --accent-hover: #047857;
    --accent-glow: rgba(5, 150, 105, 0.2);
    --aurora-1: rgba(16, 185, 129, 0.1);
    --aurora-2: rgba(6, 182, 212, 0.07);

    --text-primary: #064e3b;
    --text-secondary: #335c4d;
    --text-tertiary: #6ee7b7;

    --text-primary: #0f2e22;
    --text-secondary: #375349;
    --text-tertiary: #7aa193;

    --shadow-card: 0 4px 18px -2px rgba(6, 78, 59, 0.06);
    --shadow-card-hover: 0 12px 28px -4px rgba(5, 150, 105, 0.14);
    --shadow-modal: 0 25px 50px -12px rgba(6, 78, 59, 0.18);
}

[data-theme="light-nordic"] {
    --theme-name: "light-nordic";
    --bg-base: #f8fafc;
    --bg-surface: rgba(255, 255, 255, 0.85);
    --bg-surface-elevated: #ffffff;
    --bg-surface-hover: #f1f5f9;
    --bg-glass-card: rgba(255, 255, 255, 0.82);
    --bg-glass-input: #ffffff;

    --border-subtle: rgba(100, 116, 139, 0.08);
    --border-card: rgba(226, 232, 240, 0.9);
    --border-card-hover: rgba(100, 116, 139, 0.5);
    --border-highlight: rgba(100, 116, 139, 0.2);

    --accent-primary: #475569;
    --accent-hover: #334155;
    --accent-glow: rgba(71, 85, 105, 0.2);
    --aurora-1: rgba(148, 163, 184, 0.1);
    --aurora-2: rgba(203, 213, 225, 0.08);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;

    --shadow-card: 0 4px 18px -2px rgba(15, 23, 42, 0.06);
    --shadow-card-hover: 0 12px 28px -4px rgba(71, 85, 105, 0.12);
    --shadow-modal: 0 25px 50px -12px rgba(15, 23, 42, 0.18);
}

/* 2. Global Status Colors */
:root {
    --status-fast: #3fb950;
    --status-fast-glow: rgba(63, 185, 80, 0.4);
    --status-medium: #38bdf8;
    --status-medium-glow: rgba(56, 189, 248, 0.35);
    --status-slow: #f59e0b;
    --status-slow-glow: rgba(245, 158, 11, 0.35);
    --status-offline: #f85149;
    --status-offline-glow: rgba(248, 81, 73, 0.4);
    --status-unknown: #6e7681;

    --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 22px;
    --radius-full: 9999px;

    --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.45);
    --shadow-card-hover: 0 14px 34px -4px rgba(0, 0, 0, 0.65);
    --shadow-modal: 0 25px 60px -10px rgba(0, 0, 0, 0.85);
}

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

html {
    font-size: 15px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Ambient Mesh Light */
.ambient-glow {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.ambient-circle-1 {
    position: absolute;
    top: -150px;
    left: 20%;
    width: 800px;
    height: 500px;
    background: radial-gradient(ellipse at center, var(--aurora-1) 0%, transparent 75%);
    filter: blur(90px);
}

.ambient-circle-2 {
    position: absolute;
    bottom: -100px;
    right: 5%;
    width: 600px;
    height: 400px;
    background: radial-gradient(circle, var(--aurora-2) 0%, transparent 70%);
    filter: blur(90px);
}

/* ==========================================================================
   Left Sidebar Layout Structure
   ========================================================================== */
.app-layout {
    display: flex;
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

/* Sidebar */
.app-sidebar {
    width: 270px;
    min-width: 270px;
    height: 100vh;
    position: sticky;
    top: 0;
    background: var(--bg-surface);
    border-right: 1px solid var(--border-subtle);
    backdrop-filter: blur(24px);
    display: flex;
    flex-direction: column;
    padding: 24px 18px;
    z-index: 100;
}

/* Sidebar Branding */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 22px;
}

.brand-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-hover));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.brand-info h2 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.brand-info .live-time-chip {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Theme Selector Component */
.theme-selector-box {
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 8px 10px;
}

.theme-selector-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: 6px;
    display: flex;
    justify-content: space-between;
}

.theme-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.swatch-btn {
    width: 26px;
    height: 26px;
    flex: 0 0 26px;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.swatch-btn:hover {
    transform: scale(1.12);
}

.swatch-btn.active {
    border-color: var(--text-primary);
    box-shadow: 0 0 10px var(--accent-glow);
}

.swatch-aurora { background: linear-gradient(135deg, #1f6feb, #a371f7); }
.swatch-gold { background: linear-gradient(135deg, #d97706, #f59e0b); }
.swatch-emerald { background: linear-gradient(135deg, #059669, #10b981); }
.swatch-purple { background: linear-gradient(135deg, #9333ea, #ec4899); }
.swatch-titanium { background: linear-gradient(135deg, #475569, #cbd5e1); }

/* 浅色主题样本 */
.swatch-light-clean { background: linear-gradient(135deg, #ffffff, #3b82f6); border: 1px solid #cbd5e1; }
.swatch-light-warm { background: linear-gradient(135deg, #fef3c7, #d97706); border: 1px solid #fde68a; }
.swatch-light-mint { background: linear-gradient(135deg, #d1fae5, #059669); border: 1px solid #a7f3d0; }
.swatch-light-nordic { background: linear-gradient(135deg, #f1f5f9, #475569); border: 1px solid #cbd5e1; }

/* 浅色主题模式下的组件微调 */
[data-theme^="light-"] .sidebar-brand .brand-info h2 {
    color: var(--text-primary);
}

[data-theme^="light-"] .sidebar-nav-item:hover {
    background: rgba(0, 0, 0, 0.04);
}

[data-theme^="light-"] .sidebar-nav-item.active {
    color: var(--accent-primary);
    background: rgba(37, 99, 235, 0.08);
    border-color: var(--border-card-hover);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

[data-theme^="light-"] .sidebar-nav-item.active .nav-badge {
    background: var(--accent-primary);
    color: #ffffff;
}

[data-theme^="light-"] .card-icon-wrapper {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.06);
}

[data-theme^="light-"] .card-quick-actions {
    background: rgba(255, 255, 255, 0.95);
    border-color: var(--border-card);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

[data-theme^="light-"] .quick-action-btn:hover {
    color: var(--accent-primary);
    background: rgba(0, 0, 0, 0.05);
}

[data-theme^="light-"] .status-pill {
    background: rgba(0, 0, 0, 0.04);
}

[data-theme^="light-"] .theme-selector-box {
    background: rgba(0, 0, 0, 0.02);
}

[data-theme^="light-"] .sidebar-status-card {
    background: rgba(0, 0, 0, 0.02);
    border-color: var(--border-card);
}

[data-theme^="light-"] .btn-glass {
    background: rgba(0, 0, 0, 0.04);
    border-color: var(--border-card);
}

[data-theme^="light-"] .btn-glass:hover {
    background: rgba(0, 0, 0, 0.08);
}

[data-theme^="light-"] .spotlight-backdrop {
    background: rgba(15, 23, 42, 0.4);
}

[data-theme^="light-"] .spotlight-footer {
    background: #f8fafc;
}

[data-theme^="light-"] .kbd-badge {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.1);
    color: var(--text-secondary);
}

/* Sidebar Navigation Menu */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 16px;
    scrollbar-width: none;
}

.sidebar-nav::-webkit-scrollbar {
    display: none;
}

.nav-section-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    padding: 10px 10px 4px;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.18s ease;
    border: 1px solid transparent;
}

.sidebar-nav-item:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-subtle);
}

.sidebar-nav-item.active {
    color: #ffffff;
    background: var(--bg-surface-hover);
    border-color: var(--border-card-hover);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

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

.nav-badge {
    font-size: 0.72rem;
    background: rgba(255, 255, 255, 0.07);
    padding: 2px 7px;
    border-radius: var(--radius-full);
    color: var(--text-tertiary);
}

.sidebar-nav-item.active .nav-badge {
    background: var(--accent-primary);
    color: #ffffff;
}

/* Sidebar Footer & Bottom Actions */
.sidebar-footer {
    border-top: 1px solid var(--border-subtle);
    padding-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar-status-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-action-row {
    display: flex;
    gap: 8px;
}

.sidebar-action-row .btn {
    flex: 1;
}

/* ==========================================================================
   Right Main Content Area
   ========================================================================== */
.app-main-content {
    flex: 1;
    min-width: 0;
    padding: 28px 40px 60px;
    display: flex;
    flex-direction: column;
}

/* Top Control Bar */
.main-top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 30px;
}

.search-container-large {
    flex: 1;
    max-width: 580px;
    position: relative;
}

.search-input-large {
    width: 100%;
    background: var(--bg-surface);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 12px 18px 12px 44px;
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    backdrop-filter: blur(20px);
    transition: all 0.2s ease;
    cursor: pointer;
}

.search-input-large:focus {
    background: var(--bg-surface-elevated);
    border-color: var(--accent-hover);
    box-shadow: 0 0 0 3px var(--accent-glow);
    cursor: text;
}

.search-icon-pos {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
    color: var(--text-secondary);
    pointer-events: none;
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Bento Cards Grid */
.category-section-block {
    margin-bottom: 38px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.section-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.cards-bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 16px;
}

.cards-bento-grid.view-list {
    grid-template-columns: 1fr;
    gap: 8px;
}

/* Card Component */
.nav-card {
    background: var(--bg-glass-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 16px 18px;
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 14px;
    backdrop-filter: blur(16px);
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.nav-card:hover {
    background: var(--bg-surface-hover);
    border-color: var(--border-card-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-card-hover);
}

.card-icon-wrapper {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    overflow: hidden;
}

.card-icon-img {
    width: 28px;
    height: 28px;
    object-fit: contain;
    border-radius: 6px;
}

.card-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.card-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.card-title {
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Status Indicator Dot */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    font-size: 0.68rem;
    font-family: var(--font-mono);
    background: rgba(255, 255, 255, 0.05);
}

.dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.dot-fast { background-color: var(--status-fast); box-shadow: 0 0 8px var(--status-fast-glow); }
.dot-medium { background-color: var(--status-medium); box-shadow: 0 0 8px var(--status-medium-glow); }
.dot-slow { background-color: var(--status-slow); box-shadow: 0 0 8px var(--status-slow-glow); }
.dot-offline { background-color: var(--status-offline); box-shadow: 0 0 8px var(--status-offline-glow); }
.dot-unknown { background-color: var(--status-unknown); }

.card-quick-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    align-items: center;
    gap: 4px;
    opacity: 0;
    transform: translateY(-4px);
    transition: all 0.2s ease;
    background: rgba(14, 20, 32, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-sm);
    padding: 3px 5px;
    z-index: 2;
}

.nav-card:hover .card-quick-actions {
    opacity: 1;
    transform: translateY(0);
}

.quick-action-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding: 3px 5px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.quick-action-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.12);
}

/* ==========================================================================
   Buttons & General Components
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    background: none;
    color: var(--text-primary);
    user-select: none;
    text-decoration: none;
}

.btn-glass {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-subtle);
    backdrop-filter: blur(12px);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-highlight);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-hover));
    color: #ffffff;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px var(--accent-glow);
    transform: translateY(-1px);
}

.btn-danger {
    background: rgba(248, 81, 73, 0.12);
    border-color: rgba(248, 81, 73, 0.3);
    color: #ff7b72;
}

.btn-danger:hover {
    background: rgba(248, 81, 73, 0.25);
}

.kbd-badge {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    padding: 2px 7px;
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

/* Spotlight & Toast Styles */
.spotlight-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(4, 7, 12, 0.75);
    backdrop-filter: blur(16px);
    z-index: 1000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 14vh;
}

.spotlight-dialog {
    width: 100%;
    max-width: 600px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-modal);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.spotlight-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.spotlight-search-input {
    flex: 1;
    background: none;
    border: none;
    font-size: 1.1rem;
    color: var(--text-primary);
    outline: none;
}

.spotlight-results {
    max-height: 400px;
    overflow-y: auto;
    padding: 8px;
}

.spotlight-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-primary);
}

.spotlight-item:hover, .spotlight-item.selected {
    background: var(--accent-glow);
    color: #ffffff;
}

.spotlight-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background: rgba(0, 0, 0, 0.25);
    border-top: 1px solid var(--border-subtle);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 2000;
}

.toast {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    font-size: 0.85rem;
    color: var(--text-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Responsive */
@media (max-width: 860px) {
    .app-layout {
        flex-direction: column;
    }
    .app-sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
    }
    .app-main-content {
        padding: 20px 16px 40px;
    }
}