/* css/styles.css - Thai Songwriting App Styles */

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-color: #1f2937;
    --light-color: #f9fafb;
}

* {
    font-family: 'Sarabun', sans-serif;
}

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    background-attachment: fixed;
}

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

.navbar-brand {
    font-size: 1.5rem;
}

.card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.card-body {
    padding: 2rem;
}

.form-label {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    border-radius: 8px;
    border: 2px solid #e5e7eb;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.lyrics-output {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    background-color: #f8f9fa;
    white-space: pre-wrap;
}

.btn {
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.char-count {
    font-size: 0.85rem;
}

.alert {
    border-radius: 10px;
    border: none;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
}

.badge-success {
    background-color: var(--success-color);
}

.badge-secondary {
    background-color: #6b7280;
}

.table {
    margin-bottom: 0;
}

.table thead {
    background-color: #f9fafb;
}

.table th {
    font-weight: 600;
    color: var(--dark-color);
    border-bottom: 2px solid #e5e7eb;
}

.table td {
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: #f3f4f6;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

footer {
    color: white;
    font-size: 0.9rem;
}

/* Loading Animation */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner {
    text-align: center;
    color: white;
}

/* Toast Notifications */
.toastify {
    font-family: 'Sarabun', sans-serif;
    border-radius: 8px;
    padding: 1rem 1.5rem;
}

.toastify.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.toastify.error {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

/* Responsive */
@media (max-width: 768px) {
    .card-body {
        padding: 1.5rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .table {
        font-size: 0.875rem;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Print Styles */
@media print {
    body {
        background: white;
    }
    
    .navbar, footer, .btn, .alert {
        display: none;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}