/* -------------------------------------------------------------
 * PREMIUM DARK/GLASSMORPHIC DESIGN SYSTEM
 * ------------------------------------------------------------- */

:root {
    /* Dark Slate colors (default) */
    --slate-50: 248 250 252;
    --slate-100: 241 245 249;
    --slate-200: 226 232 240;
    --slate-300: 203 213 225;
    --slate-400: 148 163 184;
    --slate-500: 100 116 139;
    --slate-600: 71 85 105;
    --slate-700: 51 65 85;
    --slate-800: 30 41 59;
    --slate-900: 15 23 42;
    --slate-950: 6 8 19; /* Custom dark theme main background */

    /* Cyberpunk HUD Dark Theme */
    --bg-main: #030712;
    --bg-sidebar: #090e1a;
    --bg-card: rgba(13, 20, 38, 0.6);
    --bg-card-hover: rgba(18, 28, 52, 0.75);
    --border-color: rgba(6, 182, 212, 0.12);
    --border-hover: rgba(6, 182, 212, 0.4);
    
    --color-primary: #06b6d4; /* Electric Cyber Cyan */
    --color-primary-light: #6366f1; /* Neon Electric Indigo */
    --color-primary-glow: rgba(6, 182, 212, 0.22);
    
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #f43f5e;
    
    --font-sans: 'Inter', 'Sarabun', sans-serif;
    --font-outfit: 'Outfit', sans-serif;
}

html.light {
    /* Light Slate colors (Inverted and softened) */
    --slate-950: 241 245 249; /* Main bg (bg-slate-950) -> soft slate-100 */
    --slate-900: 248 250 252; /* Sidebar bg (bg-slate-900) -> soft slate-50 */
    --slate-800: 226 232 240; /* Borders (border-slate-800) -> slate-200 */
    --slate-700: 203 213 225;
    --slate-600: 148 163 184;
    --slate-500: 100 116 139; /* Muted description text */
    --slate-400: 71 85 105;   /* Description text */
    --slate-300: 51 65 85;     /* Main content text */
    --slate-200: 30 41 59;     /* Secondary header text */
    --slate-100: 15 23 42;     /* Strong text */
    --slate-50: 2 6 23;        /* Strongest text */

    /* Clinical Sci-Fi Light Theme */
    --bg-main: #f1f5f9;
    --bg-sidebar: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.82);
    --bg-card-hover: rgba(255, 255, 255, 0.98);
    --border-color: rgba(8, 145, 178, 0.15); /* Tech cyan border */
    --border-hover: rgba(8, 145, 178, 0.4);
    
    --color-primary: #0891b2; /* Cyber Cyan */
    --color-primary-light: #4f46e5; /* Tech Indigo */
    --color-primary-glow: rgba(8, 145, 178, 0.08);
    
    --color-success: #059669;
    --color-warning: #d97706;
    --color-danger: #e11d48;
}

/* Reset & Defaults */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: rgb(var(--slate-100));
    font-family: var(--font-sans);
    letter-spacing: -0.01em;
    overflow: hidden;
}

/* Global Transitions for smooth theme switching */
body, aside, main, header, .kpi-card, .server-card, .tab-btn, .project-header, .month-pill, .kpi-period-pill {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Typography Customizations */
.font-outfit {
    font-family: var(--font-outfit);
}

/* Sidebar Tab buttons */
.tab-btn {
    border: 1px solid transparent;
    background: transparent;
    color: rgb(var(--slate-400));
    text-align: left;
    cursor: pointer;
    position: relative;
}

.tab-btn:hover {
    color: rgb(var(--slate-100));
    background: rgba(var(--slate-100), 0.03);
}

.tab-btn.active {
    color: #ffffff;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.12), rgba(99, 102, 241, 0.03));
    border-color: rgba(6, 182, 212, 0.25);
    box-shadow: 0 4px 20px -2px rgba(6, 182, 212, 0.08);
}

.tab-btn.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    height: 60%;
    width: 3px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-primary-light));
    border-radius: 0 4px 4px 0;
    box-shadow: 0 0 10px var(--color-primary);
}

/* Month pill selection */
.month-pill {
    background: transparent;
    color: rgb(var(--slate-400));
    border: none;
    cursor: pointer;
}

.month-pill:hover {
    color: rgb(var(--slate-100));
}

.month-pill.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #ffffff;
    box-shadow: 0 4px 12px var(--color-primary-glow);
}

/* KPI Period pill */
.kpi-period-pill {
    background: transparent;
    color: rgb(var(--slate-400));
    border: none;
    cursor: pointer;
}

.kpi-period-pill:hover {
    color: rgb(var(--slate-100));
}

.kpi-period-pill.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #ffffff;
    box-shadow: 0 4px 12px var(--color-primary-glow);
}

/* Premium KPI Cards */
.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    opacity: 0.65;
    transition: opacity 0.3s ease;
}

.kpi-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    box-shadow: 0 12px 30px -10px rgba(6, 182, 212, 0.08), 0 0 15px 0 var(--color-primary-glow);
}

.kpi-card:hover::before {
    opacity: 1;
}

/* KPI Tooltip styles for audit guidelines */
.kpi-tooltip-trigger {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 9999px;
    background-color: rgb(var(--slate-700));
    color: rgb(var(--slate-400));
    font-size: 10px;
    font-weight: 700;
    cursor: help;
    transition: all 0.2s;
    user-select: none;
    margin-left: 6px;
}

.kpi-tooltip-trigger:hover {
    background-color: rgb(var(--slate-600));
    color: rgb(var(--slate-50));
}

.kpi-tooltip-box {
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    width: 280px;
    padding: 12px;
    background: rgba(var(--slate-950), 0.95);
    border: 1px solid rgba(var(--slate-400), 0.2);
    border-radius: 12px;
    color: rgb(var(--slate-300));
    font-size: 11px;
    line-height: 1.5;
    text-transform: none;
    font-weight: normal;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.6), 0 0 1px 1px rgba(var(--slate-100), 0.05);
    backdrop-filter: blur(8px);
    z-index: 100;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
}

.kpi-tooltip-trigger:hover .kpi-tooltip-box,
.kpi-tooltip-trigger:focus .kpi-tooltip-box {
    opacity: 1;
    transform: translateX(-50%) translateY(-4px);
    pointer-events: auto;
}

/* Server Cards Zabbix */
.server-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.server-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    opacity: 0.65;
    transition: opacity 0.3s ease;
}

.server-card:hover {
    transform: translateY(-2px);
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    box-shadow: 0 8px 24px -8px rgba(6, 182, 212, 0.06), 0 0 10px 0 var(--color-primary-glow);
}

.server-card:hover::before {
    opacity: 1;
}

/* Custom Badges */
.badge-up {
    color: #059669;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-down {
    color: #dc2626;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-issue {
    color: #d97706;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-na {
    color: #6b7280;
    background: rgba(107, 114, 128, 0.1);
    border: 1px solid rgba(107, 114, 128, 0.2);
}

/* Dynamic Animation utilities */
@keyframes pulse-slow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.95); }
}

.pulse-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.pulse-indicator.green {
    background-color: var(--color-success);
    box-shadow: 0 0 8px var(--color-success);
}

.pulse-indicator.red {
    background-color: var(--color-danger);
    box-shadow: 0 0 8px var(--color-danger);
    animation: pulse-slow 1.5s infinite ease-in-out;
}

.pulse-indicator.yellow {
    background-color: var(--color-warning);
    box-shadow: 0 0 8px var(--color-warning);
    animation: pulse-slow 2s infinite ease-in-out;
}

/* Interactive Accordion for Projects (Modified to be always open/expanded) */
.project-header {
    background: rgba(var(--slate-100), 0.02);
    border: 1px solid var(--border-color);
    transition: all 0.25s;
}

.project-header:hover {
    background: rgba(var(--slate-100), 0.05);
    border-color: rgba(var(--slate-100), 0.12);
}

.project-details {
    /* Always visible */
    border-top: none;
}

/* Toast alert messages */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 50;
    background: rgba(var(--slate-950), 0.85);
    border: 1px solid var(--border-hover);
    color: rgb(var(--slate-50));
    padding: 1rem 1.5rem;
    border-radius: 12px;
    backdrop-filter: blur(12px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

/* Citation details layout */
#page-content-citations p {
    margin-bottom: 0.5rem;
}

/* Responsive Utilities */
@media (max-width: 768px) {
    body {
        overflow-y: auto;
    }
    .flex.min-h-screen {
        flex-direction: column;
    }
    aside {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #1e293b;
    }
    main {
        overflow-y: visible;
    }
}

.hidden {
    display: none !important;
}