/**
 * Suno Music Generator - Frontend Styles
 */

/* Variables */
:root {
    --suno-primary: #6366f1;
    --suno-primary-hover: #4f46e5;
    --suno-secondary: #64748b;
    --suno-success: #22c55e;
    --suno-error: #ef4444;
    --suno-warning: #f59e0b;
    --suno-bg: #f8fafc;
    --suno-card-bg: #ffffff;
    --suno-border: #e2e8f0;
    --suno-text: #1e293b;
    --suno-text-muted: #64748b;
    --suno-radius: 12px;
    --suno-radius-sm: 8px;
    --suno-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --suno-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

/* Container */
.suno-generator-wrap {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    max-width: 700px;
    margin: 0 auto;
    padding: 24px;
    background: var(--suno-card-bg);
    border-radius: var(--suno-radius);
    box-shadow: var(--suno-shadow);
}

/* Form Groups */
.suno-form-group {
    margin-bottom: 20px;
}

.suno-form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--suno-text);
    font-size: 14px;
}

.suno-form-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.suno-form-half {
    flex: 1;
    min-width: 200px;
}

/* Inputs */
.suno-generator-wrap input[type="text"],
.suno-generator-wrap textarea,
.suno-generator-wrap select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--suno-border);
    border-radius: var(--suno-radius-sm);
    font-size: 15px;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--suno-card-bg);
    color: var(--suno-text);
    box-sizing: border-box;
}

.suno-generator-wrap input[type="text"]:focus,
.suno-generator-wrap textarea:focus,
.suno-generator-wrap select:focus {
    outline: none;
    border-color: var(--suno-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.suno-generator-wrap textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

.suno-hint {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: var(--suno-text-muted);
}

/* Checkbox */
.suno-checkbox-group {
    display: flex;
    align-items: center;
}

.suno-checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    margin-bottom: 0;
}

.suno-checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--suno-primary);
}

/* Genre Select */
.suno-select-genre {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.suno-select-genre optgroup {
    font-weight: 700;
    color: var(--suno-primary);
    padding: 8px 0;
}

.suno-select-genre option {
    font-weight: 400;
    color: var(--suno-text);
    padding: 8px 16px;
}

.suno-required {
    color: var(--suno-error);
}

/* Mood Tags */
.suno-mood-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.suno-mood-tag {
    display: inline-flex;
    align-items: center;
    background: var(--suno-bg);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid var(--suno-border);
    margin: 0;
}

.suno-mood-tag:hover {
    border-color: var(--suno-primary);
    background: rgba(99, 102, 241, 0.1);
}

.suno-mood-tag input[type="checkbox"] {
    display: none;
}

.suno-mood-tag span {
    font-size: 13px;
    color: var(--suno-text-muted);
    font-weight: 500;
    transition: color 0.2s;
}

.suno-mood-tag:has(input:checked) {
    background: linear-gradient(135deg, var(--suno-primary), var(--suno-primary-hover));
    border-color: var(--suno-primary);
}

.suno-mood-tag:has(input:checked) span {
    color: #ffffff;
}

/* Instrumental Toggle */
.suno-instrumental-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--suno-bg);
    padding: 12px 16px;
    border-radius: var(--suno-radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid var(--suno-border);
    margin: 0;
    height: 100%;
    box-sizing: border-box;
}

.suno-instrumental-toggle:hover {
    border-color: var(--suno-primary);
}

.suno-instrumental-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--suno-primary);
}

.suno-instrumental-toggle span {
    font-size: 14px;
    color: var(--suno-text);
}

/* Full Width Button */
.suno-btn-full {
    width: 100%;
}

/* Music Icon */
.suno-icon-music::before {
    content: "♪";
    font-size: 18px;
}

/* Buttons */
.suno-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--suno-radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.suno-btn-primary {
    background: linear-gradient(135deg, var(--suno-primary) 0%, var(--suno-primary-hover) 100%);
    color: #ffffff;
}

.suno-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--suno-shadow-lg);
}

.suno-btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.suno-btn-secondary {
    background: var(--suno-bg);
    color: var(--suno-text);
    border: 2px solid var(--suno-border);
}

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

.suno-btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Spinner */
.suno-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: suno-spin 0.8s linear infinite;
}

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

/* Progress */
.suno-progress {
    margin-top: 24px;
    text-align: center;
}

.suno-progress-bar {
    height: 8px;
    background: var(--suno-bg);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 12px;
}

.suno-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--suno-primary), var(--suno-primary-hover));
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s;
    animation: suno-progress-animation 2s ease-in-out infinite;
}

@keyframes suno-progress-animation {
    0% {
        width: 0%;
    }
    50% {
        width: 70%;
    }
    100% {
        width: 100%;
    }
}

.suno-progress-text {
    color: var(--suno-text-muted);
    font-size: 14px;
    margin: 0;
}

/* Results */
.suno-results {
    margin-top: 24px;
}

.suno-results-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--suno-text);
}

.suno-song-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.suno-song-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--suno-bg);
    border-radius: var(--suno-radius-sm);
    transition: box-shadow 0.2s;
}

.suno-song-item:hover {
    box-shadow: var(--suno-shadow);
}

.suno-song-cover {
    width: 80px;
    height: 80px;
    border-radius: var(--suno-radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.suno-song-info {
    flex: 1;
    min-width: 0;
}

.suno-song-title {
    font-weight: 600;
    font-size: 16px;
    margin: 0 0 4px;
    color: var(--suno-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.suno-song-style {
    font-size: 13px;
    color: var(--suno-text-muted);
    margin: 0 0 12px;
}

.suno-song-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.suno-song-actions .suno-btn {
    padding: 8px 16px;
    font-size: 13px;
}

/* Audio Player */
.suno-audio-player {
    width: 100%;
    margin-top: 8px;
}

.suno-audio-player audio {
    width: 100%;
    height: 40px;
}

/* Error */
.suno-error {
    margin-top: 24px;
    padding: 16px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--suno-radius-sm);
    color: var(--suno-error);
}

.suno-error-title {
    font-weight: 600;
    margin: 0 0 8px;
}

.suno-error-message {
    margin: 0;
    font-size: 14px;
}

/* GPT Result */
.suno-gpt-result {
    margin-top: 24px;
    padding: 16px;
    background: var(--suno-bg);
    border-radius: var(--suno-radius-sm);
    border-left: 4px solid var(--suno-primary);
}

.suno-gpt-result h4 {
    margin: 0 0 12px;
    font-size: 14px;
    color: var(--suno-text-muted);
}

.suno-gpt-content {
    font-size: 14px;
    line-height: 1.6;
}

.suno-gpt-content strong {
    color: var(--suno-text);
}

.suno-gpt-lyrics {
    margin-top: 12px;
    padding: 12px;
    background: var(--suno-card-bg);
    border-radius: var(--suno-radius-sm);
    white-space: pre-wrap;
    font-family: inherit;
    font-size: 13px;
    max-height: 200px;
    overflow-y: auto;
}

/* Lyrics Result */
.suno-lyrics-result {
    margin-top: 24px;
    padding: 20px;
    background: var(--suno-bg);
    border-radius: var(--suno-radius-sm);
}

.suno-lyrics-title {
    margin: 0 0 16px;
    font-size: 18px;
    color: var(--suno-text);
}

.suno-lyrics-content {
    background: var(--suno-card-bg);
    padding: 16px;
    border-radius: var(--suno-radius-sm);
    white-space: pre-wrap;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.8;
    margin: 0 0 16px;
    max-height: 400px;
    overflow-y: auto;
}

.suno-copy-lyrics {
    width: 100%;
}

/* Success State */
.suno-success-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: #dcfce7;
    color: var(--suno-success);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.suno-success-badge::before {
    content: "✓";
}

/* Responsive */
@media (max-width: 600px) {
    .suno-generator-wrap {
        padding: 16px;
        margin: 0 12px;
    }

    .suno-form-row {
        flex-direction: column;
    }

    .suno-form-half {
        min-width: 100%;
    }

    .suno-song-item {
        flex-direction: column;
    }

    .suno-song-cover {
        width: 100%;
        height: 200px;
    }

    .suno-btn {
        width: 100%;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .suno-generator-wrap {
        --suno-bg: #1e293b;
        --suno-card-bg: #0f172a;
        --suno-border: #334155;
        --suno-text: #f1f5f9;
        --suno-text-muted: #94a3b8;
    }

    .suno-error {
        background: #450a0a;
        border-color: #7f1d1d;
    }
}

/* Animation for new items */
@keyframes suno-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.suno-song-item {
    animation: suno-fade-in 0.3s ease-out;
}