/* static/css/style.css */
:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
}

/* Glassmorphism Navbar */
.glass-navbar {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

/* Utilities */
.text-primary {
    color: var(--accent-color) !important;
}

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* Glass Cards */
.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.card-img-top-placeholder {
    height: 200px;
    background: linear-gradient(45deg, #1e293b, #334155);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
    font-size: 3rem;
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 100px 0;
    text-align: center;
    background: radial-gradient(circle at center, rgba(59, 130, 246, 0.15) 0%, rgba(15, 23, 42, 1) 70%);
}

.hero-title {
    font-weight: 700;
    font-size: 3.5rem;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
}

.text-muted {
    color: var(--text-secondary) !important;
}

.form-control {
    background-color: #0f172a;
    border: 1px solid var(--glass-border);
    color: white;
}
.form-control:focus {
    background-color: #0f172a;
    color: white;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.25);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease forwards;
}

/* Alerts styling */
.custom-alert {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(5px);
    color: var(--text-primary);
}

.alert-success { border-left: 4px solid #10b981; }
.alert-danger { border-left: 4px solid #ef4444; }
.alert-warning { border-left: 4px solid #f59e0b; }
.alert-info { border-left: 4px solid #3b82f6; }

/* Dashboard Tables */
.table-dark {
    --bs-table-bg: var(--card-bg);
    --bs-table-color: var(--text-primary);
    border-color: var(--glass-border);
}

.table-glass {
    background: transparent;
    color: var(--text-primary);
}
.table-glass th {
    border-bottom: 2px solid var(--glass-border);
    color: var(--text-secondary);
    font-weight: 600;
}
.table-glass td {
    border-bottom: 1px solid var(--glass-border);
    vertical-align: middle;
}