/* ==========================================================================
   Base & Variables
   ========================================================================== */
   :root {
    --bg-color: #050a11;
    --primary-glow: rgba(31, 107, 255, 0.4);
    --secondary-glow: rgba(0, 255, 179, 0.2);
    --glass-bg: rgba(20, 25, 40, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-primary: #e2e8f0;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
}

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 15% 50%, var(--primary-glow) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, var(--secondary-glow) 0%, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ==========================================================================
   Glassmorphism Utilities
   ========================================================================== */
.glass-navbar {
    background: rgba(10, 15, 30, 0.7) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    position: relative;
    overflow: hidden;
}

.glow-border::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: linear-gradient(45deg, transparent, rgba(59, 130, 246, 0.3), transparent);
    z-index: -1;
    border-radius: 1rem;
    animation: borderGlow 4s linear infinite;
}

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

/* ==========================================================================
   Forms & Inputs
   ========================================================================== */
.glass-input {
    background-color: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid var(--glass-border) !important;
    color: var(--text-primary) !important;
    transition: all 0.3s ease;
}

.glass-input:focus {
    background-color: rgba(255, 255, 255, 0.06) !important;
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.25) !important;
}

.form-floating label {
    color: var(--text-muted) !important;
}

.form-floating > .form-control-plaintext:focus ~ label, 
.form-floating > .form-control:focus ~ label, 
.form-floating > .form-control:not(:placeholder-shown) ~ label, 
.form-floating > .form-select ~ label {
    color: var(--accent) !important;
    opacity: 0.9;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.glass-btn {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border: none;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
    transition: all 0.3s ease;
}

.glass-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

/* ==========================================================================
   Tables
   ========================================================================== */
.glass-table {
    background: transparent !important;
    color: var(--text-primary);
}

.glass-table thead th {
    background-color: rgba(15, 23, 42, 0.8) !important;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--glass-border);
}

.glass-table tbody tr {
    transition: background-color 0.2s ease;
}

.glass-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03) !important;
}

.glass-table td {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background-color: transparent !important;
    color: var(--text-primary);
}

/* ==========================================================================
   Pagination
   ========================================================================== */
.custom-pagination .glass-page {
    background-color: rgba(255, 255, 255, 0.03);
    border-color: var(--glass-border);
    color: var(--text-muted);
    transition: all 0.2s;
}

.custom-pagination .page-item.active .glass-page {
    background-color: var(--accent);
    border-color: var(--accent);
    color: white;
}

.custom-pagination .glass-page:hover:not(.disabled) {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.custom-pagination .page-item.disabled .glass-page {
    background-color: transparent;
    opacity: 0.5;
}

/* ==========================================================================
   Alerts & Notifications
   ========================================================================== */
.flash-container {
    position: relative;
    z-index: 1050;
    margin-bottom: 1rem;
}

.glass-alert {
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: white;
}

.alert-success { background-color: rgba(22, 163, 74, 0.2); border-color: rgba(22, 163, 74, 0.4); }
.alert-danger { background-color: rgba(220, 38, 38, 0.2); border-color: rgba(220, 38, 38, 0.4); }
.alert-warning { background-color: rgba(217, 119, 6, 0.2); border-color: rgba(217, 119, 6, 0.4); }
.alert-info { background-color: rgba(37, 99, 235, 0.2); border-color: rgba(37, 99, 235, 0.4); }

.alert-dismissible .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}