/**
 * DistroLyrics - Shared Styles
 * Google Translate-inspired layout
 */

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --text-muted: #9aa0a6;
    --border-color: #dadce0;
    --accent-blue: #1a73e8;
    --accent-green: #34a853;
    --accent-red: #ea4335;
    --accent-yellow: #fbbc04;
    --shadow-sm: 0 1px 2px rgba(60, 64, 67, .3), 0 1px 3px 1px rgba(60, 64, 67, .15);
    --shadow-md: 0 1px 3px rgba(60, 64, 67, .3), 0 4px 8px 3px rgba(60, 64, 67, .15);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --font-family: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background: var(--bg-secondary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 600;
}

.logo-icon {
    font-size: 24px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switch {
    display: flex;
    gap: 4px;
}

/* Header Share Buttons */
.share-header {
    display: flex;
    gap: 4px;
    margin-right: 12px;
}

.share-icon-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-color);
    background: transparent;
    border-radius: var(--radius-sm);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.share-icon-btn:hover {
    background: var(--bg-secondary);
}

.share-icon-btn#shareFB:hover {
    color: #1877f2;
    border-color: #1877f2;
}

.share-icon-btn#shareX:hover {
    color: #000;
    border-color: #000;
}

.share-icon-btn#shareCopy:hover {
    color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.share-icon-btn:active {
    transform: scale(0.95);
}

.lang-btn {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: transparent;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    min-width: 40px;
    text-align: center;
}

.lang-btn:hover {
    background: var(--bg-secondary);
}

.lang-btn.active {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

/* Main Tabs */
.main-tabs {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 0 24px;
    display: flex;
    gap: 4px;
    height: 48px;
}

.main-tab {
    padding: 14px 20px;
    border: none;
    background: transparent;
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.main-tab:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.main-tab.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

/* Tab Content */
.tab-panel {
    display: none;
    flex: 1;
    overflow: hidden;
}

.tab-panel.active {
    display: flex;
    flex-direction: column;
}

/* Converter Panel */
.converter-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 24px;
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    overflow: auto;
}

/* Editor Area */
.editor-area {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    flex: 1;
    min-height: 250px;
}

.editor-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 200px;
}

.editor-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    flex-shrink: 0;
    height: 48px;
}

.editor-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.usage-hint {
    font-size: 12px;
    color: var(--text-muted);
    padding: 8px 16px 0;
    margin: 0;
}

.copy-btn {
    width: 32px;
    height: 32px;
    padding: 0;
    border: 1px solid var(--border-color);
    background: transparent;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.copy-btn.copied {
    background: var(--accent-green);
    color: white;
    border-color: var(--accent-green);
}

/* Line Number Textarea */
.editor-content {
    flex: 1;
    display: flex;
    position: relative;
    min-height: 0;
}

.line-numbers {
    padding: 16px 12px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-muted);
    text-align: right;
    user-select: none;
    min-width: 40px;
    overflow: hidden;
}

.editor-textarea {
    flex: 1;
    padding: 16px;
    border: none;
    font-family: var(--font-family);
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    background: transparent;
    resize: none;
    outline: none;
}

.editor-textarea::placeholder {
    color: var(--text-muted);
}

.output-text {
    flex: 1;
    padding: 16px;
    font-family: var(--font-family);
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    background: transparent;
    overflow-y: auto;
    white-space: pre-wrap;
}

.output-placeholder {
    color: var(--text-muted);
    font-style: italic;
    display: block;
    text-align: center;
    padding-top: 20px;
}

/* Diff highlighting */
.diff-removed {
    color: var(--accent-red);
    text-decoration: line-through;
    opacity: 0.7;
}

.diff-added {
    color: var(--accent-green);
    font-weight: 500;
}

/* Rules Panel */
.rules-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 16px 20px;
    flex-shrink: 0;
}

.rules-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.rules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 8px;
}

.rule-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    transition: all 0.2s;
}

.rule-item.violated {
    background: #fce8e6;
    border: 1px solid #f5c6cb;
}

.rule-icon {
    font-size: 14px;
    margin-top: 2px;
}

.rule-content {
    flex: 1;
}

.rule-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.rule-item.violated .rule-name {
    color: var(--accent-red);
}

.rule-lines {
    font-size: 12px;
    color: var(--accent-red);
    font-weight: 600;
    margin-top: 2px;
}

/* Guide Panel */
.guide-container {
    flex: 1;
    padding: 32px 24px;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    overflow-y: auto;
}

.guide-hero {
    text-align: center;
    margin-bottom: 32px;
}

.guide-hero h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.guide-hero p {
    font-size: 15px;
    color: var(--text-secondary);
}

.guide-rules {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.guide-rule {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.guide-rule-header {
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.guide-rule-number {
    width: 28px;
    height: 28px;
    background: var(--accent-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}

.guide-rule-title {
    font-size: 15px;
    font-weight: 600;
}

.guide-rule-body {
    padding: 16px 20px;
}

.guide-rule-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.6;
}

.guide-examples {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.guide-example {
    padding: 12px;
    border-radius: var(--radius-md);
    font-size: 13px;
}

.guide-example.bad {
    background: #fce8e6;
    border: 1px solid #f5c6cb;
}

.guide-example.good {
    background: #e6f4ea;
    border: 1px solid #b7e1cd;
}

.guide-example-label {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 6px;
}

.guide-example.bad .guide-example-label {
    color: var(--accent-red);
}

.guide-example.good .guide-example-label {
    color: var(--accent-green);
}

.guide-example code {
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 13px;
    line-height: 1.6;
    display: block;
    white-space: pre-wrap;
}

/* Support Panel */
.support-container {
    flex: 1;
    padding: 32px 24px;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    overflow-y: auto;
}

.support-hero {
    text-align: center;
    margin-bottom: 32px;
}

.support-hero h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.support-hero p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.spotify-large {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: 24px;
}

.spotify-large iframe {
    display: block;
}

.support-explain {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-lg);
    padding: 24px;
    color: white;
    margin-bottom: 24px;
}

.support-explain h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.support-explain p {
    font-size: 14px;
    line-height: 1.7;
    opacity: 0.95;
    margin-bottom: 8px;
}

.support-explain ul {
    list-style: none;
    padding: 0;
    margin-top: 12px;
}

.support-explain li {
    font-size: 14px;
    padding: 6px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.bmc-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
}

.bmc-section h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.bmc-section p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.bmc-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: #FFDD00;
    color: #000;
    font-weight: 700;
    font-size: 15px;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s;
}

.bmc-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.share-section {
    margin-top: 24px;
    text-align: center;
}

.share-section p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.share-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    color: var(--text-primary);
}

.share-btn:hover {
    background: var(--bg-secondary);
}

.share-btn.facebook {
    background: #1877f2;
    color: #fff;
    border-color: #1877f2;
    display: flex;
    align-items: center;
    gap: 8px;
}

.share-btn.facebook:hover {
    background: #166fe5;
}

.share-btn.x {
    background: #000;
    color: #fff;
    border-color: #000;
    display: flex;
    align-items: center;
    gap: 8px;
}

.share-btn.x:hover {
    background: #333;
}

.share-btn.copy {
    display: flex;
    align-items: center;
    gap: 8px;
}

.share-btn.copy:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

/* Footer */
.footer {
    padding: 16px 24px;
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    background: var(--bg-card);
    flex-shrink: 0;
    height: 52px;
}

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 8px;
}

.footer a:hover {
    color: var(--accent-blue);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Report Button */
.report-btn-header {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 11px;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.report-btn-header:hover {
    color: var(--accent-red);
    border-color: var(--accent-red);
    background: rgba(239, 68, 68, 0.05);
}

/* Loading */
.loading-indicator {
    display: none;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 13px;
}

.loading-indicator.show {
    display: flex;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
    .editor-area {
        grid-template-columns: 1fr;
    }

    .rules-grid {
        grid-template-columns: 1fr;
    }

    .header {
        padding: 12px 16px;
    }

    .main-tabs {
        padding: 0 16px;
        overflow-x: auto;
    }

    .main-tab {
        padding: 12px 16px;
        font-size: 13px;
    }

    .converter-container {
        padding: 16px;
    }

    .guide-examples {
        grid-template-columns: 1fr;
    }
}

/* =========================================
   Consent Banner
   ========================================= */
.consent-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    z-index: 9999;
    animation: slideUp 0.5s ease-out;
    backdrop-filter: blur(10px);
}

.consent-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.consent-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.consent-buttons {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}

.consent-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.consent-btn.accept {
    background: var(--accent-blue);
    color: white;
}

.consent-btn.accept:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3);
}

.consent-btn.deny {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.consent-btn.deny:hover {
    background: var(--border-color);
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .consent-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .consent-buttons {
        width: 100%;
        justify-content: center;
    }

    .consent-btn {
        flex: 1;
        max-width: 150px;
    }
}