/* ==========================================================================
   UNIAS COMPUTER LABORATORY - HOME PUBLIC STYLESHEET
   Professional, Academic, Fresh, Modern & Responsive Design System
   ========================================================================== */

:root {
    --unias-primary: #0f172a;       /* Deep Academic Slate/Navy */
    --unias-primary-light: #1e293b;
    --unias-accent: #0284c7;        /* Electric Cyan Blue */
    --unias-accent-light: #38bdf8;
    --unias-gold: #f59e0b;          /* Academic Honor Gold */
    --unias-gold-light: #fef3c7;
    --unias-success: #10b981;       /* Lab Available Status */
    --unias-warning: #f59e0b;       /* Lab In-Use / Limited Status */
    --unias-danger: #ef4444;        /* Lab Maintenance / Closed Status */
    --unias-bg-light: #f8fafc;      /* Soft Clean Background */
    --unias-card-bg: #ffffff;
    --unias-border: #e2e8f0;
    --unias-text-dark: #0f172a;
    --unias-text-muted: #64748b;
    --unias-shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
    --unias-shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
    --unias-shadow-lg: 0 20px 40px -10px rgba(15, 23, 42, 0.12);
    --unias-radius: 14px;
    --unias-radius-sm: 8px;
    --unias-font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    font-family: var(--unias-font-sans);
    background-color: var(--unias-bg-light);
    color: var(--unias-text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --------------------------------------------------------------------------
   NAVBAR & HEADER
   -------------------------------------------------------------------------- */
.unias-navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    padding: 0.85rem 0;
}

.unias-brand-logo {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--unias-accent), #2563eb);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.35rem;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.unias-brand-img {
    height: 45px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
    transition: transform 0.3s ease;
}

.unias-brand-img:hover {
    transform: scale(1.05);
}

.unias-brand-title {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: #ffffff;
    line-height: 1.2;
}

.unias-brand-subtitle {
    font-size: 0.72rem;
    color: var(--unias-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

.unias-navbar .nav-link {
    color: #cbd5e1;
    font-weight: 5rem;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--unias-radius-sm);
    transition: all 0.25s ease;
}

.unias-navbar .nav-link:hover,
.unias-navbar .nav-link.active {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

.unias-navbar .nav-link.active {
    color: var(--unias-accent-light);
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   HERO BANNER
   -------------------------------------------------------------------------- */
.unias-hero {
    background: linear-gradient(135deg, #0a1120 0%, #0f172a 50%, #1e293b 100%);
    color: #ffffff;
    position: relative;
    padding: 5rem 0 4rem 0;
    overflow: hidden;
}

.unias-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(2, 132, 199, 0.18) 0%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.unias-hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.unias-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(2, 132, 199, 0.15);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 50px;
    color: var(--unias-accent-light);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.unias-hero-title {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
}

.unias-hero-title span {
    background: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.unias-hero-desc {
    font-size: 1.125rem;
    color: #94a3b8;
    max-width: 640px;
    margin-bottom: 2rem;
}

.unias-stat-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--unias-radius);
    padding: 1.25rem;
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.unias-stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(56, 189, 248, 0.4);
}

.unias-stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
    margin-bottom: 0.35rem;
}

.unias-stat-label {
    font-size: 0.825rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   LABORATORY CARDS
   -------------------------------------------------------------------------- */
.unias-lab-card {
    background: var(--unias-card-bg);
    border-radius: var(--unias-radius);
    border: 1px solid var(--unias-border);
    box-shadow: var(--unias-shadow-sm);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.unias-lab-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--unias-shadow-lg);
    border-color: rgba(2, 132, 199, 0.3);
}

.unias-lab-card-header {
    padding: 1.5rem 1.5rem 1rem 1.5rem;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.unias-lab-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
}

.unias-lab-icon.ai { background: rgba(2, 132, 199, 0.1); color: var(--unias-accent); }
.unias-lab-icon.rpl { background: rgba(16, 185, 129, 0.1); color: var(--unias-success); }
.unias-lab-icon.network { background: rgba(99, 102, 241, 0.1); color: #6366f1; }
.unias-lab-icon.multimedia { background: rgba(245, 158, 11, 0.1); color: var(--unias-gold); }
.unias-lab-icon.basic { background: rgba(239, 68, 68, 0.1); color: var(--unias-danger); }

.unias-badge-status {
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.unias-badge-status.available {
    background: rgba(16, 185, 129, 0.12);
    color: #047857;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.unias-badge-status.in-use {
    background: rgba(245, 158, 11, 0.12);
    color: #b45309;
    border: 1px solid rgba(245, 158, 11, 0.25);
}

.unias-badge-status.maintenance {
    background: rgba(239, 68, 68, 0.12);
    color: #b91c1c;
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.unias-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.available .unias-status-dot { background: var(--unias-success); box-shadow: 0 0 8px var(--unias-success); }
.in-use .unias-status-dot { background: var(--unias-warning); box-shadow: 0 0 8px var(--unias-warning); }
.maintenance .unias-status-dot { background: var(--unias-danger); box-shadow: 0 0 8px var(--unias-danger); }

.unias-lab-body {
    padding: 0 1.5rem 1.5rem 1.5rem;
    flex-grow: 1;
}

.unias-lab-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--unias-primary);
}

.unias-lab-desc {
    font-size: 0.9rem;
    color: var(--unias-text-muted);
    margin-bottom: 1.25rem;
}

.unias-spec-grid {
    background: #f1f5f9;
    border-radius: var(--unias-radius-sm);
    padding: 0.85rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
    font-size: 0.8rem;
    margin-bottom: 1.25rem;
}

.unias-spec-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: #334155;
    font-weight: 500;
}

.unias-spec-item i {
    color: var(--unias-accent);
    font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   ACADEMIC FEATURE SECTIONS
   -------------------------------------------------------------------------- */
.unias-section-title {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--unias-primary);
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.unias-section-subtitle {
    color: var(--unias-text-muted);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
}

.unias-card-feature {
    background: #ffffff;
    border: 1px solid var(--unias-border);
    border-radius: var(--unias-radius);
    padding: 2rem;
    transition: all 0.3s ease;
    height: 100%;
}

.unias-card-feature:hover {
    border-color: var(--unias-accent);
    box-shadow: var(--unias-shadow-md);
}

.unias-feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.1) 0%, rgba(37, 99, 235, 0.1) 100%);
    color: var(--unias-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.25rem;
}

/* --------------------------------------------------------------------------
   SCHEDULE TABLE & BADGES
   -------------------------------------------------------------------------- */
.unias-schedule-table {
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--unias-radius);
    overflow: hidden;
    box-shadow: var(--unias-shadow-sm);
    border: 1px solid var(--unias-border);
    background: #ffffff;
}

.unias-schedule-table th {
    background: var(--unias-primary);
    color: #ffffff;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 1rem 1.25rem;
    border: none;
}

.unias-schedule-table td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
    border-top: 1px solid var(--unias-border);
    font-size: 0.9rem;
}

.unias-schedule-table tbody tr:hover {
    background-color: #f8fafc;
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.unias-footer {
    background: var(--unias-primary);
    color: #e2e8f0;
    padding: 4rem 0 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.unias-footer h5 {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
}

.unias-footer p,
.unias-footer span,
.unias-footer li {
    color: #cbd5e1;
}

.unias-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.unias-footer-links li {
    margin-bottom: 0.65rem;
}

.unias-footer-links a {
    color: #f1f5f9;
    text-decoration: none;
    transition: color 0.25s ease;
}

.unias-footer-links a:hover {
    color: var(--unias-accent-light);
}

.unias-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    margin-top: 3rem;
    font-size: 0.85rem;
    color: #cbd5e1;
}

/* --------------------------------------------------------------------------
   BUTTON STYLES
   -------------------------------------------------------------------------- */
.btn-unias-primary {
    background: linear-gradient(135deg, var(--unias-accent) 0%, #2563eb 100%);
    color: #ffffff;
    font-weight: 600;
    padding: 0.65rem 1.4rem;
    border-radius: var(--unias-radius-sm);
    border: none;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
    transition: all 0.3s ease;
}

.btn-unias-primary:hover {
    background: linear-gradient(135deg, #0369a1 0%, #1d4ed8 100%);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(2, 132, 199, 0.45);
}

.btn-unias-outline {
    background: transparent;
    color: #ffffff;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    font-weight: 600;
    padding: 0.65rem 1.4rem;
    border-radius: var(--unias-radius-sm);
    transition: all 0.3s ease;
}

.btn-unias-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: #ffffff;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .unias-hero-title {
        font-size: 2rem;
    }
    .unias-section-title {
        font-size: 1.65rem;
    }
}