:root {
    --primary-color: #0F5132; /* Dark green */
    --secondary-color: #198754; /* Green */
    --accent-color: #E2E8F0;
    --background-color: #F8F9FA;
    --text-color: #212529;
    --card-bg: rgba(255, 255, 255, 0.85);
    --blur: blur(10px);
}

body {
    background-color: var(--background-color);
    background-image: linear-gradient(135deg, #e0f2f1 0%, #a5d6a7 100%);
    background-attachment: fixed;
    color: var(--text-color);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.15);
}

.navbar {
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: var(--blur);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: scale(1.02);
}

.table {
    background: white;
    border-radius: 10px;
    overflow: hidden;
}

.table th {
    background-color: var(--primary-color) !important;
    color: white !important;
    font-weight: 600;
}

.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #ced4da;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.9);
}

.form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 0.25rem rgba(25, 135, 84, 0.25);
    border-color: var(--secondary-color);
}

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

.animate-fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}