/* Custom CSS for Audio Transcription Tool */

:root {
    --primary-color: #0d6efd;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-gray: #f8f9fa;
    --border-radius: 12px;
    --box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Header Styles */
header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    margin: 1rem;
}

/* Card Enhancements */
.card {
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.2);
}

.card-header {
    border-radius: var(--border-radius) var(--border-radius) 0 0 !important;
    border-bottom: none;
}

/* Upload Area Styles */
.upload-area {
    border: 3px dashed #dee2e6;
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    background: var(--light-gray);
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(13, 110, 253, 0.1);
    transform: scale(1.02);
}

.upload-area.dragover {
    border-style: solid;
    background: rgba(13, 110, 253, 0.2);
}

.upload-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    animation: pulse 2s infinite;
}

.upload-title {
    color: #495057;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.upload-subtitle {
    color: #6c757d;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

/* File Info Styles */
.file-info {
    animation: fadeInUp 0.5s ease;
}

.file-info .alert {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* Transcription Text Styles */
.transcription-text {
    background: var(--light-gray);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    min-height: 200px;
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    line-height: 1.6;
    color: #212529;
    white-space: pre-wrap;
    word-wrap: break-word;
    border: 1px solid #dee2e6;
}

/* Button Enhancements */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
}

/* Badge Styles */
.badge {
    font-size: 0.8rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-weight: 500;
}

/* Animation Classes */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

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

/* Spinner Customization */
.spinner-border {
    animation: spin 1s linear infinite;
}

/* Toast Styles */
.toast {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--box-shadow);
}

/* Footer Styles */
footer {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    margin: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-icon {
        font-size: 3rem;
    }
    
    .upload-title {
        font-size: 1.25rem;
    }
    
    header {
        margin: 0.5rem;
    }
    
    footer {
        margin: 0.5rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}

/* Loading Animation */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* Success Animation */
.success-checkmark {
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

/* Error Shake Animation */
.error-shake {
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-5px);
    }
    75% {
        transform: translateX(5px);
    }
}

/* Copy Button Animation */
.copy-success {
    animation: copySuccess 2s ease;
}

@keyframes copySuccess {
    0% {
        background-color: #198754;
        transform: scale(1);
    }
    50% {
        background-color: #20c997;
        transform: scale(1.05);
    }
    100% {
        background-color: #198754;
        transform: scale(1);
    }
}