/* Custom UI Enhancements for KSA Competition Grading System */

/* =========================================================================
   1. ROOT VARIABLES & THEME
   ========================================================================= */
:root {
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;

    /* Neon Glow Accents */
    --accent-cyan: #06b6d4;
    --accent-purple: #8b5cf6;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;

    /* Glassmorphism */
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: 12px;

    /* Shadows */
    --glow-primary: 0 0 20px rgba(6, 182, 212, 0.4);
    --glow-secondary: 0 0 20px rgba(139, 92, 246, 0.4);
}

/* =========================================================================
   2. GLOBAL STYLES
   ========================================================================= */
body {
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(circle at 15% 50%, rgba(6, 182, 212, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.15), transparent 25%);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    letter-spacing: -0.025em;
}

hr {
    border-color: var(--glass-border);
}

/* =========================================================================
   3. GLASSMORPHISM COMPONENTS
   ========================================================================= */
.glass-navbar {
    background: rgba(15, 23, 42, 0.8) !important;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6), 0 0 15px rgba(255, 255, 255, 0.05);
}

/* =========================================================================
   4. NAVIGATION OVERRIDES
   ========================================================================= */
.navbar-brand {
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 8px;
}

.navbar-brand i {
    -webkit-text-fill-color: var(--accent-cyan);
    filter: drop-shadow(0 0 5px var(--accent-cyan));
}

.navbar-dark .navbar-nav .nav-link {
    color: var(--text-muted);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    margin: 0 2px;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus,
.navbar-dark .navbar-nav .nav-link.active {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

/* Dropdown Glassmorphism */
.dropdown-menu {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    padding: 0.5rem;
}

.dropdown-item {
    color: var(--text-muted);
    border-radius: 6px;
    transition: all 0.2s ease;
    padding: 0.5rem 1rem;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
}

.dropdown-divider {
    border-color: var(--glass-border);
}

/* =========================================================================
   5. GLOWING BUTTONS & INPUTS
   ========================================================================= */
.btn-glow-primary {
    background: linear-gradient(45deg, #0284c7, var(--accent-cyan));
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-glow-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--accent-cyan), var(--accent-purple));
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.btn-glow-primary:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

.btn-glow-primary:hover::before {
    opacity: 1;
}

/* Different glow variants for actions */
.btn-glow-success {
    background: linear-gradient(45deg, #059669, var(--accent-success));
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

.btn-glow-success:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

.btn-glow-dark {
    background: linear-gradient(45deg, #334155, #475569);
    color: white;
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

.btn-glow-dark:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(71, 85, 105, 0.4);
}

/* =========================================================================
   6. UTILITIES
   ========================================================================= */
.text-muted {
    color: var(--text-muted) !important;
}

.text-gradient-primary {
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.icon-xl {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    display: inline-block;
}

/* Dashboard Grid Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.action-card {
    display: block;
    text-decoration: none;
    text-align: left;
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    background: rgba(30, 41, 59, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.action-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.1), transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.action-card:hover {
    transform: translateY(-4px);
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(255, 255, 255, 0.15);
}

.action-card:hover::after {
    opacity: 1;
}

.action-card i.main-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

.action-card h4 {
    color: var(--text-main);
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.action-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Specific glows for action cards */
.action-primary:hover {
    box-shadow: 0 10px 25px rgba(6, 182, 212, 0.2);
    border-color: rgba(6, 182, 212, 0.3);
}

.action-primary i.main-icon {
    color: var(--accent-cyan);
}

.action-success:hover {
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.2);
    border-color: rgba(16, 185, 129, 0.3);
}

.action-success i.main-icon {
    color: var(--accent-success);
}

.action-purple:hover {
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.2);
    border-color: rgba(139, 92, 246, 0.3);
}

.action-purple i.main-icon {
    color: var(--accent-purple);
}

.action-warning:hover {
    box-shadow: 0 10px 25px rgba(245, 158, 11, 0.2);
    border-color: rgba(245, 158, 11, 0.3);
}

.action-warning i.main-icon {
    color: var(--accent-warning);
}

/* =========================================================================
   7. ANIMATIONS
   ========================================================================= */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
    opacity: 0;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }

/* =========================================================================
   8. ADDITIONAL GLASS UTILITIES
   ========================================================================= */
.glass-table-container {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.glass-table {
    background: transparent !important;
    border-collapse: collapse;
}

.glass-table thead th {
    background: rgba(255, 255, 255, 0.05) !important;
    color: var(--accent-cyan) !important;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--glass-border) !important;
}

.glass-table tbody td {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--glass-border) !important;
    color: var(--text-main) !important;
    background: transparent !important;
}

.glass-table tr {
    background: transparent !important;
}

.glass-table tr:hover td {
    background: rgba(255, 255, 255, 0.05) !important;
}

.glass-table .table-light td {
    background: rgba(255, 255, 255, 0.08) !important;
    color: var(--accent-cyan) !important;
    font-weight: 600;
}

.badge-glow-success {
    background: rgba(16, 185, 129, 0.1) !important;
    color: #10b981 !important;
    border: 1px solid rgba(16, 185, 129, 0.2) !important;
}

.badge-glow-warning {
    background: rgba(245, 158, 11, 0.1) !important;
    color: #f59e0b !important;
    border: 1px solid rgba(245, 158, 11, 0.2) !important;
}

.badge-glow-primary {
    background: rgba(6, 182, 212, 0.1) !important;
    color: var(--accent-cyan) !important;
    border: 1px solid rgba(6, 182, 212, 0.2) !important;
}

.list-group-item-glass {
    background: transparent !important;
    border-color: var(--glass-border) !important;
    color: var(--text-main) !important;
    padding-left: 0;
    padding-right: 0;
}

.text-cyan {
    color: var(--accent-cyan) !important;
}

/* Fix for transparent select visibility */
.form-select.bg-transparent {
    color: var(--text-main) !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23f8fafc' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") !important;
}

.form-select.bg-transparent option {
    background-color: var(--bg-darker) !important;
    color: var(--text-main) !important;
}

.glass-card .form-select:focus {
    box-shadow: none;
    border-color: rgba(255, 255, 255, 0.2);
}

.fw-extrabold {
    font-weight: 800;
}