/* Custom styles for EasyECU */

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --dark-color: #343a40;
    --light-color: #f8f9fa;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 2rem;
    border-radius: 15px;
    margin-bottom: 3rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-section .lead {
    font-size: 1.3rem;
    opacity: 0.9;
}

/* Function Cards */
.function-card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    height: 100%;
}

.function-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.function-icon {
    font-size: 3rem;
    opacity: 0.8;
}

.function-card .card-title {
    color: var(--dark-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.function-card .card-text {
    color: var(--secondary-color);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.function-card .btn {
    border-radius: 25px;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.function-card .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,123,255,0.3);
}

/* Navigation */
.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.navbar-brand i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

/* Login Page */
.card.shadow {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1) !important;
}

.btn-danger {
    background: linear-gradient(135deg, #dd5e89 0%, #f7bb97 100%);
    border: none;
    border-radius: 25px;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(221,94,137,0.3);
    background: linear-gradient(135deg, #c54d7a 0%, #e6a887 100%);
}

/* Function Cards */
.function-card {
    transition: all 0.3s ease;
}

.function-card:not(.disabled) {
    cursor: pointer;
}

.function-card:not(.disabled):hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* Disabled Function Cards */
.function-card.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.function-card.disabled .card-body {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.function-card.disabled .function-icon {
    opacity: 0.5;
}

.function-card.disabled .card-title,
.function-card.disabled .card-text {
    color: #6c757d;
}

.function-card.disabled:hover {
    transform: none !important;
    box-shadow: none !important;
}

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

footer h5 {
    color: var(--primary-color);
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 1rem;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section .lead {
        font-size: 1.1rem;
    }
    
    .function-card {
        margin-bottom: 1rem;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Success/Error Messages */
.alert {
    border: none;
    border-radius: 10px;
    font-weight: 500;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f1b0b7 100%);
    color: #721c24;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0056b3;
}