/* Custom styles for TTS Platform */
:root {
    --primary-color: #4361ee;
    --secondary-color: #F2F2F2;
    --success-color: #4cc9f0;
    --danger-color: #f72585;
    --warning-color: #ffbe0b;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gray-color: #6c757d;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fb;
    color: var(--dark-color);
}

/* Sidebar styles */
.sidebar {
    min-height: 100vh;
    background-color: var(--secondary-color);
    color: black;
    padding-top: 20px;
}

.sidebar .nav-link {
    color: #000000;
    padding: 12px 20px;
    margin: 5px 10px;
    border-radius: 5px;
    transition: all 0.3s;
}

.sidebar .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: gray;
}

.sidebar .nav-link.active {
    background-color: #4361ee;
    color: white;
}

.sidebar .nav-link i {
    margin-right: 10px;
}

/* Main content styles */
.main-content {
    padding: 20px;
    background-color: #f5f7fb;
    min-height: 100vh;
}

/* Card styles */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
}

.card-header {
    background-color: white;
    border-bottom: 1px solid #f0f0f0;
    font-weight: 600;
    padding: 15px 20px;
}

/* Button styles */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Form styles */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
}

/* Dashboard stats cards */
.stats-card {
    border-left: 4px solid var(--primary-color);
}

.stats-card .stats-icon {
    font-size: 2rem;
    color: var(--primary-color);
}

.stats-card .stats-value {
    font-size: 1.8rem;
    font-weight: 700;
}

.stats-card .stats-label {
    color: var(--gray-color);
    font-size: 0.9rem;
}

/* TTS interface */
.tts-interface {
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.tts-interface .form-group {
    margin-bottom: 20px;
}

.tts-interface .character-counter {
    text-align: right;
    font-size: 0.9rem;
    color: var(--gray-color);
}

.tts-interface .audio-preview {
    margin-top: 20px;
    padding: 15px;
    background-color: var(--light-color);
    border-radius: 5px;
}

/* Pricing cards */
.pricing-card {
    text-align: center;
    padding: 30px 20px;
    margin-bottom: 20px;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    position: relative;
}

.pricing-card.featured::before {
    content: "POPULAR";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 15px 0;
}

.pricing-card .characters {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.pricing-card .bonus {
    background-color: var(--success-color);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    display: inline-block;
    margin-bottom: 15px;
}

/* Admin dashboard */
.admin-card {
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
}

.admin-card .card-header {
    background-color: var(--secondary-color);
    color: white;
}

.admin-card .card-body {
    padding: 20px;
}

/* Table styles */
.table {
    margin-bottom: 0;
}

.table th {
    border-top: none;
    font-weight: 600;
    color: var(--gray-color);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

.table td {
    vertical-align: middle;
}

/* Pagination */
.pagination {
    margin-top: 20px;
}

.page-link {
    color: var(--primary-color);
}

.page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Voice selection */
.voice-option {
    padding: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.3s;
}

.voice-option:hover {
    border-color: var(--primary-color);
    background-color: rgba(67, 97, 238, 0.05);
}

.voice-option.selected {
    border-color: var(--primary-color);
    background-color: rgba(67, 97, 238, 0.1);
}

.voice-option .voice-name {
    font-weight: 600;
    margin-bottom: 5px;
}

.voice-option .voice-details {
    font-size: 0.9rem;
    color: var(--gray-color);
}

.voice-option .voice-sample {
    margin-top: 10px;
}

/* Audio player */
.audio-player {
    width: 100%;
    margin-top: 10px;
}

/* Character balance display */
.balance-display {
    background-color: var(--primary-color);
    padding: 10px 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.balance-display .balance-label {
    font-weight: 600;
    margin-right: 10px;
}

.balance-display .balance-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--warning-color);
}

/* Voice Grid Styling - NEW */
.voice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 1rem 0;
}

.voice-card {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.voice-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.voice-preview {
    width: 100%;
    margin: 1rem 0;
    border-radius: 4px;
    flex-shrink: 0;
}

.voice-description {
    color: #6c757d;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    flex-grow: 1;
}

/* Audio player customization */
audio {
    border-radius: 20px;
    height: 40px;
    width: 100%;
}

audio::-webkit-media-controls-panel {
    background-color: #f8f9fa;
}

/* Button styles for voice grid */
.voice-card .btn {
    margin: 0.25rem;
    border-radius: 4px;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.voice-card .btn-group .btn {
    margin: 0;
    border-radius: 0;
}

.voice-card .btn-group .btn:first-child {
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
}

.voice-card .btn-group .btn:last-child {
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
}

/* Voice preview card specific styles */
.voice-preview-card {
    border: 1px solid #dee2e6;
    margin-bottom: 1rem;
}

.voice-preview-card .card-body {
    padding: 1rem;
}

.audio-preview-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Audio loading animation */
.audio-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Voice filter styles */
.voice-filter-card {
    margin-bottom: 1.5rem;
}

.voice-filter-card .form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.voice-filter-card .form-select {
    border-radius: 6px;
}

/* Voice badge styles */
.voice-badge {
    font-size: 0.75rem;
    padding: 0.35em 0.65em;
    margin: 0.15rem;
}

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

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

.voice-badge-light {
    background-color: var(--light-color);
    color: var(--dark-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .sidebar {
        min-height: auto;
        padding-bottom: 20px;
    }
    
    .main-content {
        padding: 15px;
    }
    
    .stats-card {
        margin-bottom: 15px;
    }
    
    .pricing-card {
        margin-bottom: 15px;
    }
    
    .voice-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .voice-card {
        padding: 1rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .voice-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Loading spinner */
.spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px;
}

/* Alert styles */
.alert {
    border-radius: 8px;
    border: none;
}

.alert-success {
    background-color: rgba(76, 201, 240, 0.1);
    color: #0c5460;
}

.alert-danger {
    background-color: rgba(247, 37, 133, 0.1);
    color: #721c24;
}

.alert-warning {
    background-color: rgba(255, 190, 11, 0.1);
    color: #856404;
}

.alert-info {
    background-color: rgba(67, 97, 238, 0.1);
    color: #0c5460;
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: black;
    padding: 30px 0;
    margin-top: 50px;
}

.footer a {
    color: #000000;
}

.footer a:hover {
    color: white;
}

/* Login/Register forms */
.auth-form {
    max-width: 450px;
    margin: 0 auto;
    padding: 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.auth-form .form-title {
    text-align: center;
    margin-bottom: 30px;
    color: var(--secondary-color);
    font-weight: 700;
}

.auth-form .form-check {
    margin-bottom: 20px;
}

.auth-form .btn-primary {
    width: 100%;
    padding: 12px;
    font-weight: 600;
}

.auth-form .auth-links {
    text-align: center;
    margin-top: 20px;
}

.auth-form .auth-links a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-form .auth-links a:hover {
    text-decoration: underline;
}