:root {
    --scp-bg: #0b0f14;
    --scp-panel: rgba(15, 20, 28, 0.85);
    --scp-accent: #00d2ff;
    --scp-blue: #0077b6;
    --scp-red: #d32f2f;
    --scp-text: #e0e6ed;
    --scp-border: rgba(0, 210, 255, 0.2);
    --scp-glow: 0 0 10px rgba(0, 210, 255, 0.5);
    --alert-red: #ff0000;
}

body {
    background-color: var(--scp-bg);
    color: var(--scp-text);
    overflow-x: hidden;
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
}

/* Typography */
.font-orbitron { font-family: 'Orbitron', sans-serif; }
.font-montserrat { font-family: 'Montserrat', sans-serif; }
.font-mono { font-family: 'Roboto Mono', monospace; }
.font-roboto { font-family: 'Roboto', sans-serif; }

.text-scp-accent { color: var(--scp-accent) !important; }
.text-scp-blue { color: var(--scp-blue) !important; }
.border-scp-accent { border-color: var(--scp-accent) !important; }
.border-scp-blue { border-color: var(--scp-blue) !important; }
.bg-scp-accent { background-color: var(--scp-accent) !important; }
.bg-scp-blue { background-color: var(--scp-blue) !important; }

.fs-7 { font-size: 0.85rem; }
.text-glow { text-shadow: var(--scp-glow); }
.tracking-wide { letter-spacing: 0.1em; }

/* Effects */
.blink { animation: blinker 1.5s linear infinite; }
@keyframes blinker {
    50% { opacity: 0; }
}

/* Scanlines & Noise Overlay */
.crt-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    background-size: 100% 4px, 6px 100%;
    z-index: 9998;
    pointer-events: none;
    opacity: 0.4;
}

.noise-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.03;
    background-image: url('data:image/svg+xml;utf8,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)"/%3E%3C/svg%3E');
}

/* Loader */
#loader {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: #000;
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
}

.loader-icon {
    font-size: 5rem;
    color: var(--scp-accent);
    margin-bottom: 20px;
    filter: drop-shadow(var(--scp-glow));
}

/* Layout */
.app-container {
    height: 100vh;
    overflow: hidden;
}

.sidebar {
    width: 280px;
    height: 100vh;
    border-right: 1px solid var(--scp-border);
    backdrop-filter: blur(10px);
    background: rgba(11, 15, 20, 0.9) !important;
    z-index: 10;
}

.sidebar .nav-link {
    color: var(--scp-text);
    border-radius: 4px;
    margin-bottom: 5px;
    transition: all 0.3s ease;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.sidebar .nav-link:hover, .sidebar .nav-link.active {
    background-color: rgba(0, 210, 255, 0.1);
    color: var(--scp-accent) !important;
    border-left: 4px solid var(--scp-accent);
    text-shadow: var(--scp-glow);
}

.content-area {
    overflow-y: auto;
    height: 100vh;
    position: relative;
    z-index: 5;
    padding-bottom: 50px !important;
}

/* Components */
.scp-card {
    background: var(--scp-panel);
    border: 1px solid var(--scp-border);
    border-radius: 0;
    color: var(--scp-text);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
}

.scp-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 210, 255, 0.2), inset 0 0 20px rgba(0,0,0,0.5);
    border-color: var(--scp-accent);
}

/* Lore & Docs */
.scp-doc-card {
    background: #eef2f5;
    color: #1a1a1a;
    border-radius: 2px;
    box-shadow: 0 0 15px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
}

.scp-doc-card .watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    font-size: 8rem;
    font-weight: 900;
    color: rgba(0,0,0,0.03);
    font-family: 'Montserrat', sans-serif;
    pointer-events: none;
    white-space: nowrap;
}

/* Personnel */
.personnel-card {
    background: var(--scp-panel);
    border: 1px solid;
    border-radius: 0;
    position: relative;
    padding-top: 30px !important;
}

.clearance-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 2px 10px;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    font-weight: bold;
    letter-spacing: 1px;
    border-radius: 2px;
}

/* Terminal */
.terminal-window {
    background: #000;
    border: 1px solid #333;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
}

.terminal-btn {
    width: 12px;
    height: 12px;
}

.terminal-body {
    min-height: 400px;
}

.report-entry {
    background: rgba(0, 255, 0, 0.05);
    padding: 10px;
    border-left: 2px solid var(--scp-border);
}

/* Forms */
.scp-input {
    background: rgba(0, 0, 0, 0.5) !important;
    border: 1px solid var(--scp-border) !important;
    color: var(--scp-accent) !important;
    border-radius: 0;
    font-family: 'Roboto Mono', monospace;
}

.scp-input:focus {
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.2) !important;
    border-color: var(--scp-accent) !important;
}

/* Particles */
#particles-js {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* Alert Mode */
body.alert-mode {
    --scp-accent: var(--alert-red);
    --scp-border: rgba(255, 0, 0, 0.3);
    --scp-glow: 0 0 15px rgba(255, 0, 0, 0.6);
    --scp-blue: #ff5555;
}

body.alert-mode .crt-overlay {
    background: linear-gradient(rgba(255, 0, 0, 0.1) 50%, rgba(0, 0, 0, 0.25) 50%);
    background-size: 100% 4px;
}

body.alert-mode .scp-doc-card {
    background: #2a0808;
    color: #ffcccc;
}

body.alert-mode .scp-doc-card .watermark {
    color: rgba(255, 0, 0, 0.05);
    content: "CRITICAL ALERT";
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--scp-bg);
}
::-webkit-scrollbar-thumb {
    background: var(--scp-border);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--scp-accent);
}

/* Responsive */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
        overflow: auto;
    }
    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--scp-border);
    }
    .content-area {
        height: auto;
        overflow: visible;
    }
}