/* ====================================================================
   HOSTEL MANAGEMENT SYSTEM - ARCHITECTURE DIAGRAM STYLES
   Extracted from architecture.html for modular organization
   ==================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- PERFORMANCE OPTIMIZED BACKGROUND --- */
@keyframes bgCycle {
    0%, 100% { background-color: #f8fafc; }
    25% { background-color: #f1f5f9; }
    50% { background-color: #ecfdf5; }
    75% { background-color: #eef2ff; }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

body { 
    font-family: 'Plus Jakarta Sans', sans-serif; 
    margin: 0; 
    padding: 0; 
    overflow: hidden;
    background-color: #f8fafc;
    animation: bgCycle 20s infinite ease-in-out;
    position: relative;
    transform: translateZ(0);
}

body::before {
    content: ""; 
    position: fixed; 
    top: 0; 
    left: 0; 
    right: 0; 
    bottom: 0;
    background: linear-gradient(-45deg, rgba(59, 130, 246, 0.05), rgba(16, 185, 129, 0.05), rgba(99, 102, 241, 0.05), rgba(100, 116, 139, 0.05));
    background-size: 400% 400%; 
    animation: gradientShift 15s ease infinite;
    z-index: -1; 
    pointer-events: none; 
    will-change: background-position;
}

/* --- HARDWARE ACCELERATED MULTI-COLOR RAINBOW ANIMATION --- */
@keyframes letterWave {
    0%, 100% { 
        transform: translateY(0); 
        color: #3b82f6;
        text-shadow: 0 5px 10px rgba(59, 130, 246, 0.1); 
    }
    25% { color: #10b981; }
    50% { color: #f59e0b; }
    75% { color: #ef4444; }
    90% { 
        color: #00f5ff; 
        text-shadow: 0 5px 15px rgba(0, 245, 255, 0.3); 
        transform: translateY(-8px);
    }
}

.animated-title span {
    display: inline-block;
    animation: letterWave 4s infinite ease-in-out;
    transition: color 0.3s ease;
    will-change: transform, color;
    backface-visibility: hidden;
}

/* --- ULTRA-WIDE ISOLATED SERVER VAULT DESIGN --- */
.isolated-server-room {
    background: #020617;
    border: 4px solid #1e293b;
    border-radius: 16px;
    padding: 10px;
    width: 1100px;
    height: 520px;
    box-shadow: 
        0 30px 60px rgba(0,0,0,0.6),
        inset 0 0 40px rgba(59, 130, 246, 0.05);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: visible !important;
    box-sizing: border-box;
}

.room-label {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding: 0 30px;
}

.label-text {
    color: #475569;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 5px;
    text-transform: uppercase;
}

.status-dot-pulse {
    width: 10px;
    height: 10px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 12px #22c55e;
    animation: blink 2s infinite;
}

.rack-enclosure {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    width: 1000px;
    height: 400px;
    padding: 30px 50px;
    position: relative;
    backdrop-filter: blur(5px);
    box-sizing: border-box;
}

.rack-side-bar {
    position: absolute; 
    top: 0; 
    bottom: 0; 
    width: 12px;
    background: linear-gradient(to bottom, #334155, #0f172a, #334155);
}

.bar-left { 
    left: 0; 
    border-radius: 12px 0 0 12px; 
}

.bar-right { 
    right: 0; 
    border-radius: 0 12px 12px 0; 
}

.blade {
    background: linear-gradient(90deg, #0f172a 0%, #1e293b 100%);
    border: 1px solid #334155;
    border-radius: 8px;
    margin-bottom: 15px;
    padding: 15px 30px;
    display: flex;
    align-items: center;
    gap: 30px;
    transition: all 0.3s ease;
}

.blade:hover {
    border-color: #00f5ff;
    box-shadow: 0 0 25px rgba(0, 245, 255, 0.4);
    transform: scale(1.01);
}

.blade-icon { 
    width: 40px; 
    height: 40px; 
    background: rgba(15, 23, 42, 0.8);
    border-radius: 8px; 
    display: flex; 
    align-items: center; 
    justify-content: center;
    color: #94a3b8; 
    font-size: 20px; 
    border: 1px solid #1e293b;
}

.blade-content { 
    flex-grow: 1; 
    text-align: left; 
}

.blade-title { 
    color: #f8fafc; 
    font-size: 14px; 
    font-weight: 800; 
    font-family: 'JetBrains Mono', monospace; 
    display: block; 
}

.blade-sub { 
    color: #64748b; 
    font-size: 10px; 
    text-transform: uppercase; 
    letter-spacing: 1.5px; 
}

.load-meter { 
    height: 6px; 
    background: #020617; 
    border-radius: 3px; 
    width: 180px; 
    overflow: hidden; 
    margin-top: 10px; 
}

.load-fill { 
    height: 100%; 
    background: #3b82f6; 
    animation: dataFlow 2s infinite ease-in-out; 
}

.led-array { 
    display: flex; 
    gap: 8px; 
    margin-left: 30px; 
}

.led-p { 
    width: 8px; 
    height: 8px; 
    border-radius: 50%; 
    background: #1e293b; 
}

.led-p.active { 
    animation: blink 1.5s infinite; 
    background: #22c55e; 
    box-shadow: 0 0 10px #22c55e; 
}

@keyframes dataFlow {
    0%, 100% { background: #3b82f6; width: 30%; }
    50% { background: #60a5fa; width: 95%; }
}

@keyframes blink { 
    0%, 100% { opacity: 1; } 
    50% { opacity: 0.3; } 
}

/* --- GLOBAL UI --- */
.diagram-header {
    background: rgba(255, 255, 255, 0.7); 
    backdrop-filter: blur(15px); 
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5); 
    padding: 1rem 3rem;
    position: sticky; 
    top: 0; 
    left: 0; 
    width: 100%; 
    z-index: 1000;
    box-shadow: 0 10px 40px -10px rgba(31, 38, 135, 0.08);
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    transform: translateZ(0);
}

.diagram-viewport {
    width: 100vw; 
    height: calc(100vh - 145px); 
    overflow: auto;
    padding: 80px; 
    position: relative; 
    contain: size layout style;
}

.mermaid {
    width: max-content; 
    min-width: 1400px;
    margin-left: 40px; 
    margin-right: auto;
    background: rgba(255, 255, 255, 0.8); 
    padding: 4rem; 
    border-radius: 2.5rem;
    transform-origin: top left; 
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 30px 60px -12px rgba(0,0,0,0.03); 
    border: 1px solid rgba(255, 255, 255, 0.8);
    will-change: transform;
    overflow: visible;
}


.zoom-controls { 
    position: fixed; 
    bottom: 30px; 
    right: 30px; 
    display: flex; 
    flex-direction: column; 
    gap: 10px; 
    z-index: 2000; 
}

.zoom-btn {
    width: 50px; 
    height: 50px; 
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(59, 130, 246, 0.2); 
    border-radius: 16px; 
    color: #3b82f6;
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-size: 20px;
    cursor: pointer; 
    transition: transform 0.2s; 
    will-change: transform;
}

.zoom-btn:hover { 
    background: #3b82f6; 
    color: #ffffff; 
    transform: scale(1.05); 
}

.zoom-indicator {
    background: #0f172a; 
    color: white; 
    padding: 6px 12px; 
    border-radius: 8px;
    font-size: 11px; 
    font-weight: 800; 
    text-align: center; 
    font-family: 'JetBrains Mono', monospace;
}

.mermaid .edgePath path { 
    stroke: #3b82f6 !important; 
    stroke-width: 2.5px !important; 
}

.mermaid .nodeLabel { 
    font-size: 14px !important; 
    font-weight: 700 !important; 
}

.mermaid .cluster rect { 
    fill: rgba(248, 250, 252, 0.4) !important; 
    rx: 20; 
}