/* ===== CSS RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ===== CSS VARIABLES ===== */
:root {
    /* Light Theme - Clean and personal */
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f3f4;
    --bg-accent: #e8f0fe;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --text-muted: #80868b;
    --text-accent: #1a73e8;
    --border-light: #dadce0;
    --border-main: #c4c7c5;
    --border-accent: #1a73e8;
    
    /* Browser chrome colors */
    --chrome-bg: #f1f3f4;
    --chrome-border: #dadce0;
    --chrome-text: #5f6368;
    --tab-bg: #e8eaed;
    --tab-active: #ffffff;
    --tab-hover: #f1f3f4;
    --tab-border: #dadce0;
    
    /* Accent colors - clean and friendly */
    --accent-primary: #1a73e8;
    --accent-hover: #1557b0;
    --accent-warm: #f9ab00;
    --accent-success: #34a853;
    --accent-love: #ea4335;
    --accent-purple: #9334e6;
    
    /* Typography */
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 0.75rem;
    --space-lg: 1rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
    
    /* Borders & Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
    --shadow-md: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 2px 6px 2px rgba(60, 64, 67, 0.15);
    --shadow-lg: 0 2px 4px 0 rgba(60, 64, 67, 0.3), 0 4px 8px 3px rgba(60, 64, 67, 0.15);
    
    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #1f1f1f;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3c3c3c;
    --bg-accent: #1e3a5f;
    --text-primary: #e8eaed;
    --text-secondary: #bdc1c6;
    --text-muted: #9aa0a6;
    --text-accent: #8ab4f8;
    --border-light: #5f6368;
    --border-main: #5f6368;
    --border-accent: #8ab4f8;
    
    /* Browser chrome colors - dark */
    --chrome-bg: #2d2d2d;
    --chrome-border: #5f6368;
    --chrome-text: #bdc1c6;
    --tab-bg: #404040;
    --tab-active: #2d2d2d;
    --tab-hover: #484848;
    --tab-border: #5f6368;
    
    /* Shadows - darker */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3), 0 1px 3px 1px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 1px 2px 0 rgba(0, 0, 0, 0.3), 0 2px 6px 2px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 2px 4px 0 rgba(0, 0, 0, 0.3), 0 4px 8px 3px rgba(0, 0, 0, 0.15);
}

/* ===== BASE STYLES ===== */
body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 14px;
    overflow-x: hidden;
    transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

/* ===== PAGE CONTAINER ===== */
.page-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    position: relative;
}

/* ===== BACKGROUND ELEMENTS ===== */
.bg-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, rgba(26, 115, 232, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(249, 171, 0, 0.04) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

.bg-noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle, rgba(32, 33, 36, 0.015) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
    z-index: 2;
    opacity: 0.6;
}

/* ===== BROWSER WINDOW ===== */
.browser-window {
    width: 100%;
    max-width: 1100px;
    height: 80vh;
    background: var(--bg-secondary);
    border: 1px solid var(--border-main);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 10;
}

/* ===== BROWSER HEADER ===== */
.browser-header {
    background: var(--chrome-bg);
    border-bottom: 1px solid var(--chrome-border);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    min-height: 56px;
}

.window-controls {
    display: flex;
    gap: var(--space-sm);
}

.control-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.control-dot.close {
    background: #ff5f56;
}

.control-dot.minimize {
    background: #ffbd2e;
}

.control-dot.maximize {
    background: #27ca3f;
}

.control-dot:hover {
    transform: scale(1.1);
}

.address-bar {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.url-container {
    flex: 1;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-sm) var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 14px;
    color: var(--text-secondary);
}

.url-container i {
    color: var(--accent-success);
    font-size: 16px;
}

.url {
    color: var(--text-primary);
    font-weight: 500;
}

.theme-toggle {
    background: none;
    border: none;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    color: var(--chrome-text);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.theme-toggle:hover {
    background: var(--tab-hover);
    color: var(--text-primary);
}

.browser-actions {
    display: flex;
    gap: var(--space-sm);
}

.nav-btn {
    padding: var(--space-sm);
    background: none;
    border: none;
    border-radius: var(--radius-md);
    color: var(--chrome-text);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.nav-btn:hover {
    background: var(--tab-hover);
    color: var(--text-primary);
}

/* ===== TAB BAR ===== */
.tab-bar {
    background: var(--chrome-bg);
    border-bottom: 1px solid var(--chrome-border);
    display: flex;
    align-items: flex-end;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    overflow-x: auto;
    position: relative;
}

.tab-bar::-webkit-scrollbar { display: none; }

.tab {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px 16px;
    min-width: 120px;
    max-width: 200px;
    background: var(--tab-bg);
    color: var(--chrome-text);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-smooth);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 13px;
    font-weight: 500;
    z-index: 1;
    flex-shrink: 0;
}

.tab::before {
    content: '';
    position: absolute;
    inset: 0;
    background: transparent;
    border-radius: inherit;
    transition: background var(--transition-smooth);
    z-index: -1;
}

.tab:hover {
    background: var(--tab-hover);
    color: var(--text-primary);
    border-color: var(--border-light);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.tab.active {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-main);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    font-weight: 600;
}

.tab.active::before {
    background: linear-gradient(180deg, 
                rgba(26, 115, 232, 0.05) 0%, 
                transparent 100%);
}

/* Tab close button */
.tab .tab-close {
    opacity: 0;
    margin-left: var(--space-sm);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.1);
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.tab:hover .tab-close {
    opacity: 1;
}

.tab .tab-close:hover {
    background: rgba(255, 0, 0, 0.15);
    color: #ff3b30;
    transform: scale(1.1);
}

/* Plus button for adding new tabs */
.tab-add {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    margin-left: var(--space-md);
    margin-bottom: 10px;
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    transition: all var(--transition-smooth);
    flex-shrink: 0;
}

.tab-add:hover {
    background: var(--tab-hover);
    color: var(--text-primary);
    border-color: var(--border-main);
    transform: scale(1.05);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.tab-add:active {
    transform: scale(0.95);
}

/* Editable tab content */
.tab.editable {
    background: var(--bg-secondary);
    border: 1px solid var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.1);
}

.tab.editable:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
}

.tab-input {
    background: transparent;
    border: none;
    outline: none;
    color: inherit;
    font: inherit;
    width: 100%;
    min-width: 60px;
    font-size: 13px;
}

/* --- Softer markdown text --- */
.markdown-block .code-content p {
    margin: 0 0 var(--space-md);
    font-family: var(--font-body);
    font-size: 15px;
}

.markdown-block .code-content h3 {
    font-family: var(--font-body);
}

/* About paragraph spacing */
#about-content .markdown-block .code-content p + p {
    margin-top: var(--space-md);
}

/* ===== MAIN CONTENT ===== */
.browser-content { flex: 1; display: grid; grid-template-columns: 220px 1fr; overflow: hidden; }

/* ===== SIDEBAR PROFILE ===== */
.sidebar-profile { background: var(--bg-tertiary); border-right: 1px solid var(--border-light); padding: var(--space-xl) var(--space-lg); display: flex; flex-direction: column; align-items: center; gap: var(--space-lg); overflow-y: auto; }

.profile-image {
    position: relative;
    margin-bottom: var(--space-lg);
}

.avatar { width: 80px; height: 80px; background: linear-gradient(135deg, var(--accent-primary), var(--accent-purple)); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 32px; font-weight: 600; color: white; position: relative; cursor: pointer; transition: all var(--transition-smooth); border: 3px solid var(--bg-secondary); box-shadow: var(--shadow-sm); overflow: hidden; }

/* Allow image avatar without circle mask */
.avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }

.avatar:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.status-dot {
    position: absolute;
    bottom: 4px;
    right: 4px;
    width: 16px;
    height: 16px;
    background: var(--accent-success);
    border: 2px solid var(--bg-secondary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.name {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    text-align: center;
}

.handle {
    font-family: var(--font-mono);
    color: var(--text-accent);
    font-size: 14px;
    margin-top: calc(var(--space-sm) * -1);
}

.title {
    color: var(--text-secondary);
    font-size: 14px;
    text-align: left;
    font-style: italic;
}

.profile-meta {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.meta-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 12px;
}

.meta-key {
    color: var(--text-muted);
    font-weight: 500;
}

.meta-value {
    color: var(--text-primary);
    font-weight: 500;
}

.vibe-check {
    width: 100%;
    background: var(--bg-accent);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    text-align: center;
    font-size: 12px;
}

.vibe-label {
    color: var(--text-muted);
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
}

.vibe-emoji {
    font-size: 16px;
    margin: 0 var(--space-xs);
}

.vibe-text {
    color: var(--text-primary);
    font-weight: 500;
}

/* Message hint */
.message-hint {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
    transition: all var(--transition-smooth);
    cursor: pointer;
}

.message-hint:hover {
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.1);
}

.hint-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.hint-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.hint-label {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 12px;
    text-transform: lowercase;
}

.hint-desc {
    color: var(--text-muted);
    font-size: 11px;
    line-height: 1.4;
}

/* Tech hint card */
.tech-hint {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.tech-hint .hint-icon {
    font-size: 18px;
    color: var(--text-accent);
}

.tech-hint .hint-label { text-transform: none; }

.tech-hint .hint-cta {
    margin-left: auto;
    background: var(--accent-primary);
    color: #fff;
    text-decoration: none;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--accent-primary);
    transition: filter var(--transition-fast), transform var(--transition-fast);
}

.tech-hint .hint-cta:hover {
    filter: brightness(1.05);
    transform: translateY(-1px);
}

/* ===== TAB CONTENT AREA ===== */
.tab-content-area {
    flex: 1;
    overflow-y: auto;
    background: var(--bg-secondary);
    position: relative;
}

.tab-content {
    display: none;
    height: 100%;
    flex-direction: column;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-smooth);
}

.tab-content.active {
    display: flex;
    opacity: 1;
    transform: translateY(0);
    animation: slideInContent 0.4s ease-out;
}

@keyframes slideInContent {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-header {
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-light);
    padding: var(--space-lg) var(--space-2xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-muted);
}

.file-path {
    color: var(--text-secondary);
    font-weight: 500;
}

.content-body {
    flex: 1;
    padding: var(--space-2xl);
    overflow-y: auto;
    line-height: 1.6;
}

/* ===== CONTENT BLOCK STYLES ===== */
.code-block, .json-block, .markdown-block, .log-block {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.8;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    margin: var(--space-xl) 0;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: background var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.code-block:hover, .json-block:hover, .markdown-block:hover, .log-block:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-sm);
}

/* ===== CODE HEADER STYLES ===== */
.code-header {
    background: transparent;
    border-bottom: 0;
    padding: var(--space-lg) var(--space-2xl) 0 var(--space-2xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    font-weight: 600;
}

.file-type {
    color: var(--text-secondary);
    text-transform: none;
    letter-spacing: 0;
    font-weight: 700;
}

.file-type::before { content: none; }

.code-actions { display: none; }

.code-btn {
    background: none;
    border: none;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.code-btn:hover {
    background: var(--bg-accent);
    color: var(--text-primary);
    transform: scale(1.1);
}

.code-content { padding: var(--space-2xl); overflow-x: visible; position: relative; }

/* ===== LINE NUMBERS (OPTIONAL ENHANCEMENT) ===== */
.code-content.with-lines {
    padding-left: calc(var(--space-2xl) + 50px);
    background-image: repeating-linear-gradient(
        transparent 0,
        transparent calc(1.8em - 1px),
        var(--border-light) calc(1.8em - 1px),
        var(--border-light) 1.8em
    );
}

.code-content.with-lines::before {
    content: counter(line-numbers);
    counter-reset: line-numbers;
    position: absolute;
    left: 0;
    top: var(--space-2xl);
    width: 40px;
    height: 100%;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-light);
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.8;
    text-align: center;
    pointer-events: none;
}

/* ===== ENHANCED SCROLLBARS FOR CODE BLOCKS ===== */
.code-content::-webkit-scrollbar {
    height: 8px;
}

.code-content::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.code-content::-webkit-scrollbar-thumb {
    background: var(--border-main);
    border-radius: var(--radius-sm);
}

.code-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ===== CODE SYNTAX HIGHLIGHTING ===== */
.comment {
    color: #6a737d;
    font-style: italic;
}

[data-theme="dark"] .comment {
    color: #6e7681;
}

.keyword {
    color: #d73a49;
    font-weight: 600;
}

[data-theme="dark"] .keyword {
    color: #ff7b72;
}

.variable {
    color: #005cc5;
    font-weight: 600;
}

[data-theme="dark"] .variable {
    color: #79c0ff;
}

.property {
    color: #e36209;
    font-weight: 500;
}

[data-theme="dark"] .property {
    color: #ffa657;
}

.string {
    color: #032f62;
    font-style: italic;
}

[data-theme="dark"] .string {
    color: #a5d6ff;
}

/* ===== JSON SYNTAX HIGHLIGHTING ===== */
.json-key {
    color: #005cc5;
    font-weight: 600;
}

[data-theme="dark"] .json-key {
    color: #79c0ff;
}

.json-string {
    color: #032f62;
    font-style: italic;
}

[data-theme="dark"] .json-string {
    color: #a5d6ff;
}

/* ===== MARKDOWN STYLES ===== */
.markdown-block h3 { color: var(--text-primary); font-weight: 700; margin-bottom: var(--space-md); font-size: 18px; }

.markdown-block p {
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.markdown-block p strong {
    color: var(--accent-love);
    font-weight: 600;
}

/* Currently list */
.currently-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.currently-list li { background: var(--bg-secondary); border: 1px solid var(--border-light); border-radius: var(--radius-md); padding: 10px 12px; }

.markdown-block blockquote { border-left: 3px solid var(--border-accent); margin: var(--space-lg) 0; padding: var(--space-md) var(--space-xl); background: transparent; border-radius: 0; font-style: italic; color: var(--text-secondary); }

/* ===== LOG STYLES ===== */
.log-entry {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.log-entry:hover {
    background: var(--bg-accent);
    border-color: var(--border-accent);
    transform: translateX(4px);
}

.log-entry:last-child {
    margin-bottom: 0;
}

.timestamp {
    color: var(--text-muted);
    font-size: 12px;
    min-width: 120px;
    font-weight: 500;
}

.log-level {
    font-size: 11px;
    font-weight: 700;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    min-width: 80px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.log-level.reading {
    background: rgba(26, 115, 232, 0.15);
    color: var(--accent-primary);
    border: 1px solid rgba(26, 115, 232, 0.3);
}

.log-level.gaming {
    background: rgba(147, 52, 230, 0.15);
    color: var(--accent-purple);
    border: 1px solid rgba(147, 52, 230, 0.3);
}

.log-level.music {
    background: rgba(249, 171, 0, 0.15);
    color: var(--accent-warm);
    border: 1px solid rgba(249, 171, 0, 0.3);
}

.log-level.thinking {
    background: rgba(52, 168, 83, 0.15);
    color: var(--accent-success);
    border: 1px solid rgba(52, 168, 83, 0.3);
}

.log-level.mood {
    background: rgba(234, 67, 53, 0.15);
    color: var(--accent-love);
    border: 1px solid rgba(234, 67, 53, 0.3);
}

.log-message {
    color: var(--text-primary);
    flex: 1;
    font-weight: 500;
}

/* ===== ABOUT SECTION STYLES ===== */
.about-text {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
}

.about-text p {
    margin-bottom: var(--space-lg);
}

/* --- About extras: hobbies + music card --- */
.about-extras { display: grid; gap: var(--space-2xl); margin-top: var(--space-2xl); }
.section-label { font-weight: 700; color: var(--text-secondary); font-size: 13px; letter-spacing: .4px; text-transform: uppercase; margin-bottom: var(--space-md); }

/* Hobbies */
.hobbies-grid { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.hobby-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 12px; border-radius: 999px; font-size: 13px; font-weight: 600;
  background: var(--bg-tertiary); border: 1px solid var(--border-light); color: var(--text-primary);
  box-shadow: var(--shadow-sm); transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}
.hobby-chip:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); background: var(--bg-secondary); }

/* Music player */
.music-card {
  display: grid; grid-template-columns: 64px 1fr auto; gap: var(--space-lg);
  background: var(--bg-secondary); border: 1px solid var(--border-main); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); padding: var(--space-lg) var(--space-xl); position: relative; overflow: hidden;
}
.music-card::after { content: ''; position: absolute; inset: 0; background: radial-gradient(120px 40px at 20% -10%, rgba(249,171,0,.08), transparent 60%); pointer-events: none; }
.cover { width: 64px; height: 64px; border-radius: 8px; background: linear-gradient(135deg, #222, #444); box-shadow: inset 0 0 0 1px rgba(255,255,255,.06), 0 2px 8px rgba(0,0,0,.15); }
.track { display: flex; flex-direction: column; justify-content: center; gap: 2px; }
.track .title { font-weight: 700; color: var(--text-primary); }
.track .artist { color: var(--text-secondary); font-size: 13px; }
.controls { display: inline-flex; align-items: center; gap: 6px; }
.controls .play { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border-main); background: var(--bg-tertiary); display: grid; place-items: center; font-size: 18px; cursor: pointer; transition: transform var(--transition-fast), background var(--transition-fast); }
.controls .skip { width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--border-light); background: var(--bg-secondary); display: grid; place-items: center; font-size: 16px; cursor: pointer; }
.controls .play:hover { transform: scale(1.05); background: var(--bg-secondary); }

.progress { grid-column: 1 / -1; display: grid; gap: 6px; margin-top: 6px; }
.bar { height: 6px; background: var(--bg-tertiary); border: 1px solid var(--border-light); border-radius: 999px; overflow: hidden; position: relative; }
.bar::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, var(--accent-primary), var(--accent-purple)); width: 0%; }
.bar .dot { position: absolute; right: 0; top: 50%; transform: translate(50%, -50%); width: 10px; height: 10px; border-radius: 50%; background: var(--bg-secondary); border: 2px solid var(--accent-primary); box-shadow: 0 2px 6px rgba(0,0,0,.15); opacity: 0; transition: opacity var(--transition-fast); }
.music-card[data-playing="true"] .bar::before { width: 35%; /* default demo */ }
.music-card[data-playing="true"] .bar .dot { opacity: 1; }

@media (max-width: 640px) {
  .music-card { grid-template-columns: 48px 1fr auto; }
  .cover { width: 48px; height: 48px; }
}

/* Likes • Dislikes merged layout */
.likes-dislikes { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-2xl); }
.likes-dislikes h3 { margin: 0 0 var(--space-md); font-size: 16px; color: var(--text-primary); }
.likes-dislikes ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.likes-dislikes li { background: var(--bg-secondary); border: 1px solid var(--border-light); border-radius: var(--radius-md); padding: 10px 12px; box-shadow: var(--shadow-xs); }
.likes-col li::before { content: '❤'; color: var(--accent-love); margin-right: 8px; }
.dislikes-col li::before { content: '✕'; color: var(--text-muted); margin-right: 8px; }
@media (max-width: 768px) { .likes-dislikes { grid-template-columns: 1fr; } }

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .page-container {
        padding: var(--space-lg);
    }
    
    .browser-window {
        height: 90vh;
        max-width: none;
        border-radius: var(--radius-lg);
    }
    
    .browser-content { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
    /* Move sidebar to bottom bar */
    .sidebar-profile { grid-row: 2; grid-column: 1; position: sticky; bottom: 0; background: var(--bg-tertiary); border-right: none; border-top: 1px solid var(--border-light); border-bottom: none; padding: var(--space-md) var(--space-lg); flex-direction: row; align-items: center; justify-content: space-between; gap: var(--space-md); overflow-x: auto; }
    
    .profile-image {
        margin-bottom: 0;
    }
    
    .avatar {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .profile-meta, .vibe-check { display: none; }
    
    .tab-bar { padding: 0 var(--space-sm); }
    
    .tab {
        min-width: 100px;
        padding: var(--space-sm) var(--space-md);
    }
    
    .tab span {
        display: none;
    }
    
    .content-body {
        padding: var(--space-xl);
    }
    
    .links-grid {
        grid-template-columns: 1fr;
    }
    
    .interests-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

@media (max-width: 480px) {
    .browser-header {
        padding: var(--space-sm);
        gap: var(--space-sm);
    }
    
    .url-container {
        font-size: 12px;
        padding: var(--space-sm);
    }
    
    .sidebar-profile {
        flex-direction: column;
        gap: var(--space-md);
        padding: var(--space-lg);
    }
    
    .name {
        font-size: 20px;
    }
    
    .handle {
        font-size: 12px;
    }
    
    .title {
        font-size: 12px;
    }
}

/* ===== GSAP OPTIMIZATION ===== */
.browser-window,
.tab-content,
.social-link,
.avatar,
.interest-tag,
.hate-tag {
    will-change: transform, opacity;
}

/* Hardware acceleration */
.browser-window,
.tab,
.social-link,
.avatar,
.theme-toggle,
.nav-btn,
.interest-tag,
.hate-tag {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* ===== ANIMATIONS ===== */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-content.active {
    animation: slideIn 0.3s ease-out;
}

/* ===== SCROLLBAR STYLING ===== */
.tab-content-area::-webkit-scrollbar,
.content-body::-webkit-scrollbar,
.sidebar-profile::-webkit-scrollbar {
    width: 8px;
}

.tab-content-area::-webkit-scrollbar-track,
.content-body::-webkit-scrollbar-track,
.sidebar-profile::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

.tab-content-area::-webkit-scrollbar-thumb,
.content-body::-webkit-scrollbar-thumb,
.sidebar-profile::-webkit-scrollbar-thumb {
    background: var(--border-main);
    border-radius: 4px;
}

.tab-content-area::-webkit-scrollbar-thumb:hover,
.content-body::-webkit-scrollbar-thumb:hover,
.sidebar-profile::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ===== SOCIAL LINKS GRID ===== */
.links-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); padding: var(--space-lg) 0; }

.social-link { display: flex; align-items: center; gap: var(--space-lg); padding: var(--space-xl); background: var(--bg-tertiary); border: 1px solid var(--border-light); border-radius: var(--radius-lg); text-decoration: none; color: inherit; transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-fast), background var(--transition-fast); box-shadow: var(--shadow-sm); position: relative; overflow: hidden; }
.social-link:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); background: var(--bg-secondary); border-color: var(--border-accent); }

.link-icon { width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 24px; color: #fff; background: var(--accent-primary); flex-shrink: 0; transition: transform var(--transition-fast), filter var(--transition-fast), background var(--transition-fast); }
.social-link:hover .link-icon { transform: rotate(6deg) scale(1.06); }

/* Album covers inside links */
.album-cover { background: var(--bg-secondary); overflow: hidden; }
.album-cover img { width: 100%; height: 100%; object-fit: cover; display: block; border-radius: 8px; }

.link-content { display: flex; flex-direction: column; gap: 4px; }
.link-title { font-weight: 700; color: var(--text-primary); text-transform: lowercase; font-family: var(--font-mono); }
.link-desc { color: var(--text-secondary); font-size: 13px; }

/* Platform accents */
.social-link[href^="mailto:"] .link-icon { background: #ea4335; }
.social-link[href*="github.com"] .link-icon { background: #24292f; }
[data-theme="dark"] .social-link[href*="github.com"] .link-icon { background: #f0f6fc; color: #24292f; }
.social-link[href*="instagram.com"] .link-icon { background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); }
.social-link[onclick*="showDiscordPopup"] .link-icon { background: #5865F2; }
.social-link[href*="open.spotify.com"] .link-icon { background: #1DB954; }
.social-link[href*="last.fm"] .link-icon { background: #d51007; }
.social-link[href*="music.apple.com"] .link-icon { background: #f50e0e; }

@media (max-width: 768px) {
  .links-grid { grid-template-columns: 1fr; }
}

/* ===== DISCORD POPUP ===== */
.popup-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px); opacity: 0; visibility: hidden; pointer-events: none; z-index: 1000; display: grid; place-items: center; transition: opacity var(--transition-smooth), visibility var(--transition-smooth); }
.popup-overlay.active { opacity: 1; visibility: visible; pointer-events: auto; }

.popup-content { width: min(440px, 92vw); background: var(--bg-secondary); border: 1px solid var(--border-main); border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); transform: translateY(8px) scale(.98); transition: transform var(--transition-smooth); overflow: hidden; }
.popup-overlay.active .popup-content { transform: translateY(0) scale(1); }

.popup-header { display: flex; align-items: center; gap: var(--space-md); padding: var(--space-xl); border-bottom: 1px solid var(--border-light); }
.popup-header i { font-size: 22px; color: #5865F2; }
.popup-header h3 { margin: 0; font-size: 16px; color: var(--text-primary); font-weight: 700; }
.popup-close { margin-left: auto; background: transparent; border: 1px solid var(--border-light); width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; color: var(--text-secondary); cursor: pointer; transition: background var(--transition-fast), transform var(--transition-fast); }
.popup-close:hover { background: var(--bg-tertiary); transform: rotate(12deg); }

.popup-body { padding: var(--space-xl); display: grid; gap: var(--space-lg); }
.discord-username { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: var(--space-md); padding: var(--space-md) var(--space-lg); background: var(--bg-tertiary); border: 1px solid var(--border-light); border-radius: var(--radius-lg); }
.username-label { color: var(--text-secondary); font-weight: 600; }
.username-value { font-family: var(--font-mono); color: var(--text-primary); font-weight: 700; }
.copy-btn { background: var(--accent-primary); border: 0; color: #fff; width: 36px; height: 36px; border-radius: 8px; display: grid; place-items: center; cursor: pointer; transition: transform var(--transition-fast), filter var(--transition-fast); }
.copy-btn:hover { transform: translateY(-1px); filter: brightness(1.05); }

.discord-instructions p { margin: 0; color: var(--text-primary); }
.discord-instructions small { color: var(--text-secondary); }

/* ===== NOTES WRITING AREA ===== */
.notes-writing-area {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

/* Polished message card */
.message-card { background: var(--bg-secondary); border: 1px solid var(--border-light); border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); overflow: hidden; }
.message-card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-lg); padding: var(--space-xl) var(--space-2xl) var(--space-lg); border-bottom: 1px solid var(--border-light); background: var(--bg-tertiary); }
.message-card-header .title { display: inline-flex; align-items: center; gap: var(--space-sm); }
.message-card-header .title i { color: var(--accent-primary); font-size: 18px; }
.message-card-header h4 { margin: 0; font-size: 16px; color: var(--text-primary); font-weight: 700; }
.message-card-header .help-text { margin: 2px 0 0; font-size: 12px; color: var(--text-secondary); }

.message-card .notes-writing-area { padding: var(--space-lg) var(--space-2xl) var(--space-lg); }
.message-card .code-header { padding: var(--space-md) var(--space-2xl) 0 var(--space-2xl); }
.message-actions { display: flex; align-items: center; gap: var(--space-sm); }
.message-card .code-header .file-type { text-transform: lowercase; font-weight: 700; }
.user-name-input.compact { max-width: 200px; padding: 8px 10px; font-size: 13px; }

.field-row { display: grid; gap: var(--space-sm); }
.required-star { color: var(--accent-love); font-weight: 700; }
.field-error { display: none; margin-top: 4px; font-size: 12px; color: var(--accent-love); }
.invalid + .field-error, .field-error.show { display: block; }
.textarea-box { border: 1px solid var(--border-light); border-radius: var(--radius-md); background: var(--bg-tertiary); transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth), background var(--transition-smooth); }
.textarea-box:focus-within { border-color: var(--accent-primary); box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.12); background: var(--bg-secondary); }

/* User info section */
.user-info-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.user-label, .message-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: none;
}

.message-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.notes-intro {
    padding: var(--space-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--accent-primary);
    margin-bottom: var(--space-md);
}

.notes-description {
    margin: 0;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.user-name-input {
    width: 100%;
    max-width: 300px;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--text-primary);
    transition: all var(--transition-smooth);
    outline: none;
}

.user-name-input::placeholder {
    color: var(--text-muted);
}

.user-name-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.1);
    background: var(--bg-secondary);
}

.random-textarea {
    width: 100%;
    min-height: 300px;
    padding: var(--space-md);
    background: transparent;
    border: none;
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-primary);
    resize: vertical;
    transition: all var(--transition-smooth);
    outline: none;
}

.random-textarea::placeholder {
    color: var(--text-muted);
    line-height: 1.6;
}

.random-textarea:focus {
    color: var(--text-primary);
}

/* Notes footer with meta and actions */
.notes-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-light);
    margin-top: var(--space-lg);
}

.notes-meta {
    display: flex;
    gap: var(--space-lg);
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.char-counter, .word-counter {
    transition: color var(--transition-smooth);
}

.notes-actions {
    display: flex;
    gap: var(--space-sm);
}

/* Action buttons */
.action-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-smooth);
    text-decoration: none;
}

/* Invalid field styles */
.user-name-input.invalid { border-color: var(--accent-love); box-shadow: 0 0 0 2px rgba(234, 67, 53, 0.15); background: var(--bg-secondary); }
.random-textarea.invalid { outline: none; }
.random-textarea.invalid:focus { outline: none; }
.textarea-box:has(.random-textarea.invalid) { border-color: var(--accent-love); box-shadow: 0 0 0 2px rgba(234, 67, 53, 0.12); background: var(--bg-secondary); }

.action-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--border-accent);
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.action-btn.primary {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.action-btn.primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: white;
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.3);
}

.action-btn:active {
    transform: translateY(0);
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Loading state for buttons */
.action-btn.loading {
    position: relative;
    pointer-events: none;
}

.action-btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 12px;
    margin: -6px 0 0 -6px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.action-btn.loading span,
.action-btn.loading i {
    opacity: 0;
}

/* Save notification */
.save-notification {
    position: fixed;
    top: 80px;
    right: 20px;
    padding: var(--space-md) var(--space-xl);
    background: var(--accent-success);
    color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-weight: 600;
    z-index: 1001;
    pointer-events: none;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.error-notification {
    position: fixed;
    top: 80px;
    right: 20px;
    padding: var(--space-md) var(--space-xl);
    background: var(--accent-love);
    color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-weight: 600;
    z-index: 1001;
    pointer-events: none;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

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

/* Responsive design for notes */
@media (max-width: 768px) {
    .notes-footer {
        flex-direction: column;
        gap: var(--space-md);
        align-items: stretch;
    }
    
    .notes-meta {
        justify-content: center;
    }
    
    .notes-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .random-textarea {
        min-height: 200px;
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    .action-btn {
        flex: 1;
        justify-content: center;
        min-width: 100px;
    }
    
    .save-notification,
    .error-notification {
        right: 10px;
        left: 10px;
        top: 60px;
    }
    
    .message-hint {
        margin-top: var(--space-md);
    }
    
    .hint-text {
        gap: var(--space-xxs);
    }
}

@media (max-width: 480px) {
    .notes-actions {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .action-btn {
        flex: none;
    }
    
    .notes-meta {
        font-size: 11px;
        gap: var(--space-md);
    }
    
    .notes-intro {
        padding: var(--space-md);
        margin-bottom: var(--space-sm);
    }
    
    .notes-description {
        font-size: 13px;
    }
}