/* Custom styles for PDF to Speech Converter */

body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.navbar-brand {
    font-weight: 600;
}

.card {
    border-radius: 0.75rem;
    border: none;
}

.card-header {
    border-radius: 0.75rem 0.75rem 0 0 !important;
    border-bottom: none;
    font-weight: 600;
}

.card-body {
    padding: 2rem;
}

.form-control, .form-select {
    border-radius: 0.5rem;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

.btn {
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #0d6efd 0%, #0056b3 100%);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

.btn:disabled {
    opacity: 0.7;
    transform: none !important;
}

.progress {
    border-radius: 0.5rem;
    height: 0.75rem;
}

.alert {
    border-radius: 0.5rem;
    border: none;
}

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

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    color: #0c5460;
}

.badge {
    font-size: 0.75rem;
    padding: 0.375rem 0.75rem;
}

.bg-success-soft {
    background-color: #d4edda !important;
}

.bg-danger-soft {
    background-color: #f8d7da !important;
}

/* Status cards */
.card.border-info {
    border-width: 2px !important;
}

.card.border-warning {
    border-width: 2px !important;
}

/* File input styling */
.form-control[type="file"] {
    padding: 0.75rem;
}

.form-control[type="file"]::-webkit-file-upload-button {
    background: #0d6efd;
    color: white;
    border: none;
    border-radius: 0.375rem;
    padding: 0.375rem 0.75rem;
    margin-right: 0.75rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.form-control[type="file"]::-webkit-file-upload-button:hover {
    background: #0b5ed7;
}

/* Range slider styling */
.form-range {
    height: 0.5rem;
}

.form-range::-webkit-slider-thumb {
    background: #0d6efd;
    border: 2px solid white;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.form-range::-moz-range-thumb {
    background: #0d6efd;
    border: 2px solid white;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

/* Animation for loading states */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: 1.5rem;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Download link styling */
.download-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: #0d6efd;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border: 2px solid #0d6efd;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.download-link:hover {
    background-color: #0d6efd;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

/* Voice type indicators */
.voice-type {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-left: 0.5rem;
}

.voice-type.google {
    color: #4285f4;
}

.voice-type.piper {
    color: #ff9800;
}

/* Drag and Drop Zone Styles */
.drop-zone {
    position: relative;
    border: 2px dashed #dee2e6;
    border-radius: 1rem;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    cursor: pointer;
    overflow: hidden;
}

.drop-zone:hover {
    border-color: #0d6efd;
    background: linear-gradient(135deg, #e7f1ff 0%, #cfe2ff 100%);
    transform: translateY(-2px);
}

.drop-zone.drag-over {
    border-color: #0d6efd;
    background: linear-gradient(135deg, #0d6efd 0%, #0056b3 100%);
    border-style: solid;
    transform: scale(1.02);
}

.drop-zone.drag-over .drop-zone-content {
    opacity: 0;
}

.drop-zone.drag-over .drop-zone-overlay {
    opacity: 1;
}

.drop-zone-content {
    transition: opacity 0.3s ease;
}

.drop-zone-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.drop-zone input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.drop-zone.has-file {
    border-color: #198754;
    background: linear-gradient(135deg, #d1e7dd 0%, #a3cfbb 100%);
}

.drop-zone.has-file .drop-zone-content {
    color: #155724;
}

.drop-zone.has-file .drop-zone-content i {
    color: #198754 !important;
}

/* File preview styling */
.file-preview {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(13, 110, 253, 0.1);
    border-radius: 0.5rem;
    border-left: 4px solid #0d6efd;
}

.file-preview-name {
    font-weight: 600;
    color: #0d6efd;
}

.file-preview-size {
    font-size: 0.875rem;
    color: #6c757d;
}

.file-preview-remove {
    color: #dc3545;
    cursor: pointer;
    transition: color 0.3s ease;
}

.file-preview-remove:hover {
    color: #c82333;
}