/* Stiluri generale */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Hero section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    padding: 60px 20px !important;
}

/* Navbar */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

/* Buttons */
.btn {
    border-radius: 5px;
    padding: 10px 20px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5568d3 0%, #6a3e8f 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* Footer */
footer {
    margin-top: auto;
}

/* Intervale ore */
#intervaleOre .btn {
    margin-bottom: 10px;
}

#intervaleOre .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Table responsive */
.table-responsive {
    border-radius: 5px;
}

/* Badges */
.badge {
    padding: 6px 12px;
    font-weight: 500;
}

/* Alerts */
.alert {
    border-radius: 5px;
    border: none;
}

/* Forms */
.form-control:focus,
.form-select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* Stats cards */
.card.text-white h2 {
    font-weight: bold;
}

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

.card {
    animation: fadeIn 0.5s ease;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .hero-section {
        padding: 40px 20px !important;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    #intervaleOre .col-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

/* Print styles */
@media print {
    .navbar,
    footer,
    .btn,
    .alert {
        display: none !important;
    }
}