/* ----------------------------------------------------
 * Theme Stylesheet - Professional Attendance System
 * Theme: Premium Glassmorphism (Dark Blue / Cyan / Neon Purple)
 * ---------------------------------------------------- */

:root {
    --bg-primary: #080A16;
    --card-bg: rgba(26, 31, 56, 0.45);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: #B3B9D1;
    --neon-cyan: #00F2FE;
    --neon-purple: #9b51e0;
    --pulse-green: #39FF14;
    --error-red: #ff3838;
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --sidebar-width: 260px;
    --transition-speed: 0.3s;
}

[data-theme="light"] {
    --bg-primary: #f0f2f5;
    --card-bg: rgba(255, 255, 255, 0.7);
    --card-border: rgba(0, 0, 0, 0.08);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --neon-cyan: #0284c7;
    --neon-purple: #7c3aed;
    --pulse-green: #16a34a;
    --error-red: #dc2626;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

body.dark-glow {
    background-image: 
        radial-gradient(at 0% 0%, rgba(0, 242, 254, 0.04) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(155, 81, 224, 0.04) 0px, transparent 50%);
}

/* Glassmorphism Card Utility */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
}

.glass-card:hover {
    border-color: rgba(0, 242, 254, 0.3);
    box-shadow: 0 12px 40px 0 rgba(0, 242, 254, 0.06);
}

/* Buttons with Neon Styling */
.btn-neon {
    background: linear-gradient(135deg, var(--neon-cyan) 0%, #4FACFE 100%);
    border: none;
    color: #080A16;
    font-weight: 700;
    font-family: var(--font-heading);
    padding: 12px 24px;
    border-radius: 10px;
    letter-spacing: 0.5px;
    transition: all var(--transition-speed) ease;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.25);
}

.btn-neon:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 242, 254, 0.4);
    color: #080A16;
}

.btn-neon:active {
    transform: translateY(0);
}

.btn-glass-secondary {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    transition: all var(--transition-speed) ease;
}

.btn-glass-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

/* Custom inputs */
.glass-input {
    background: rgba(8, 10, 22, 0.4) !important;
    border: 1px solid var(--card-border) !important;
    border-radius: 10px !important;
    color: var(--text-primary) !important;
    padding: 12px 16px !important;
    transition: all var(--transition-speed) ease !important;
}

.glass-input:focus {
    background: rgba(8, 10, 22, 0.7) !important;
    border-color: var(--neon-cyan) !important;
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.15) !important;
}

/* Sidebar Layout */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background: linear-gradient(180deg, rgba(26, 31, 56, 0.8) 0%, rgba(8, 10, 22, 0.95) 100%);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--card-border);
    z-index: 1000;
    transition: all var(--transition-speed) ease;
    padding: 30px 20px;
}

.main-content {
    margin-left: var(--sidebar-width);
    padding: 40px;
    min-height: 100vh;
    transition: all var(--transition-speed) ease;
}

/* Responsive sidebar adaptations */
@media (max-width: 991.98px) {
    .sidebar {
        left: calc(-1 * var(--sidebar-width));
    }
    .sidebar.active {
        left: 0;
    }
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
}

/* Glow Elements */
.glow-text-cyan {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

.glow-text-purple {
    color: var(--neon-purple);
    text-shadow: 0 0 10px rgba(155, 81, 224, 0.3);
}

/* Pulsing Status Indicators */
.pulse-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    background-color: var(--pulse-green);
    box-shadow: 0 0 10px var(--pulse-green);
    animation: pulse 1.8s infinite;
}

.pulse-offline {
    background-color: var(--error-red);
    box-shadow: 0 0 10px var(--error-red);
    animation: pulse-red 1.8s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(57, 255, 20, 0.5); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(57, 255, 20, 0); }
    100% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(57, 255, 20, 0); }
}

@keyframes pulse-red {
    0% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(255, 56, 56, 0.5); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(255, 56, 56, 0); }
    100% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(255, 56, 56, 0); }
}

/* Side navigation item controls */
.nav-link-custom {
    display: flex;
    align-items: center;
    padding: 12px 18px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 10px;
    margin-bottom: 8px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-link-custom i {
    width: 24px;
    font-size: 18px;
    margin-right: 12px;
}

.nav-link-custom:hover, .nav-link-custom.active {
    background: rgba(0, 242, 254, 0.08);
    color: var(--neon-cyan);
    font-weight: 600;
}

.nav-link-custom.active {
    border-left: 3px solid var(--neon-cyan);
    border-radius: 0 10px 10px 0;
}