/* Global variables for custom premium theme */
:root {
    --bg-color: #161925;
    --bg-workspace: #1d2234;
    --card-bg: rgba(29, 34, 52, 0.6);
    --border-color: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    /* Neon gradients & glows (Cyber Violet Default) */
    --accent-color: #8b5cf6;
    --accent-hover: #7c3aed;
    --accent-glow: rgba(139, 92, 246, 0.25);
    
    --secondary-color: #06b6d4;
    --secondary-hover: #0891b2;
    --secondary-glow: rgba(6, 182, 212, 0.2);
    
    --success-color: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    
    --danger-color: #f43f5e;
    --danger-hover: #e11d48;
    --danger-bg: rgba(244, 63, 94, 0.1);
    
    /* Text colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-code: #e2e8f0;
    
    /* Glassmorphism properties */
    --backdrop-blur: blur(12px);
    --shadow-main: 0 8px 32px 0 rgba(0, 0, 0, 0.25);
    --border-radius: 12px;
}

/* 1. Cyber Violet Theme */
body.theme-violet {
    --bg-color: #161925;
    --bg-workspace: #1d2234;
    --card-bg: rgba(29, 34, 52, 0.6);
    --accent-color: #8b5cf6;
    --accent-hover: #7c3aed;
    --accent-glow: rgba(139, 92, 246, 0.25);
    --secondary-color: #06b6d4;
    --secondary-hover: #0891b2;
    --secondary-glow: rgba(6, 182, 212, 0.2);
}

/* 2. Emerald Matrix Theme */
body.theme-emerald {
    --bg-color: #121814;
    --bg-workspace: #1a221d;
    --card-bg: rgba(26, 34, 29, 0.55);
    --accent-color: #10b981;
    --accent-hover: #059669;
    --accent-glow: rgba(16, 185, 129, 0.25);
    --secondary-color: #3b82f6;
    --secondary-hover: #2563eb;
    --secondary-glow: rgba(59, 130, 246, 0.2);
}

/* 3. Deep Ocean Theme */
body.theme-ocean {
    --bg-color: #111625;
    --bg-workspace: #182033;
    --card-bg: rgba(24, 32, 51, 0.6);
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.3);
    --secondary-color: #ec4899;
    --secondary-hover: #db2777;
    --secondary-glow: rgba(236, 72, 153, 0.25);
}

/* 4. Sunset Amber Theme */
body.theme-amber {
    --bg-color: #181512;
    --bg-workspace: #221e1a;
    --card-bg: rgba(34, 30, 26, 0.6);
    --accent-color: #f59e0b;
    --accent-hover: #d97706;
    --accent-glow: rgba(245, 158, 11, 0.25);
    --secondary-color: #f97316;
    --secondary-hover: #ea580c;
    --secondary-glow: rgba(249, 115, 22, 0.2);
}

/* 5. Nordic Frost Theme */
body.theme-nordic {
    --bg-color: #0f1319;
    --bg-workspace: #161c24;
    --card-bg: rgba(22, 28, 36, 0.6);
    --accent-color: #38bdf8;
    --accent-hover: #0ea5e9;
    --accent-glow: rgba(56, 189, 248, 0.25);
    --secondary-color: #818cf8;
    --secondary-hover: #6366f1;
    --secondary-glow: rgba(129, 140, 248, 0.2);
}

/* 6. Sage Slate Theme */
body.theme-sage {
    --bg-color: #121614;
    --bg-workspace: #1a201c;
    --card-bg: rgba(26, 32, 28, 0.6);
    --accent-color: #52b788;
    --accent-hover: #40916c;
    --accent-glow: rgba(82, 183, 136, 0.25);
    --secondary-color: #74c69d;
    --secondary-hover: #52b788;
    --secondary-glow: rgba(116, 198, 157, 0.2);
}

/* --- LIGHT MODE (WHITE MODE) OVERRIDES --- */
body.light-mode {
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-code: #1e293b;
    --border-color: rgba(15, 23, 42, 0.08);
    --border-hover: rgba(15, 23, 42, 0.16);
    --shadow-main: 0 10px 30px 0 rgba(15, 23, 42, 0.04);
}

body.theme-violet.light-mode {
    --bg-color: #f8fafc;
    --bg-workspace: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.85);
    --accent-glow: rgba(139, 92, 246, 0.15);
    --secondary-glow: rgba(6, 182, 212, 0.1);
}

body.theme-emerald.light-mode {
    --bg-color: #f4faf7;
    --bg-workspace: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.85);
    --accent-glow: rgba(16, 185, 129, 0.15);
    --secondary-glow: rgba(59, 130, 246, 0.1);
}

body.theme-ocean.light-mode {
    --bg-color: #f1f5f9;
    --bg-workspace: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.85);
    --accent-glow: rgba(59, 130, 246, 0.15);
    --secondary-glow: rgba(236, 72, 153, 0.1);
}

body.theme-amber.light-mode {
    --bg-color: #fffbeb;
    --bg-workspace: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.85);
    --accent-glow: rgba(245, 158, 11, 0.15);
    --secondary-glow: rgba(249, 115, 22, 0.1);
}

body.theme-nordic.light-mode {
    --bg-color: #f0f4f8;
    --bg-workspace: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.85);
    --accent-glow: rgba(56, 189, 248, 0.15);
    --secondary-glow: rgba(129, 140, 248, 0.1);
}

body.theme-sage.light-mode {
    --bg-color: #f1f8f5;
    --bg-workspace: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.85);
    --accent-glow: rgba(82, 183, 136, 0.15);
    --secondary-glow: rgba(116, 198, 157, 0.1);
}

/* Light Mode Component Overrides */
body.light-mode .editor-lines {
    background: rgba(15, 23, 42, 0.03);
    color: #64748b;
}

body.light-mode .editor-header {
    background: rgba(15, 23, 42, 0.02);
}

body.light-mode .editor-footer {
    background: rgba(15, 23, 42, 0.02);
}

body.light-mode .custom-tag-builder input {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(15, 23, 42, 0.12);
    color: #0f172a;
}

body.light-mode .content-card {
    background: rgba(255, 255, 255, 0.7);
}

body.light-mode .content-card code,
body.light-mode .cheat-sheet-table code,
body.light-mode .step-text code,
body.light-mode .error-steps code {
    background: rgba(15, 23, 42, 0.05);
    color: var(--accent-hover);
}

body.light-mode .ad-placeholder {
    background: rgba(15, 23, 42, 0.01);
    border-color: rgba(15, 23, 42, 0.08);
}

body.light-mode .btn-secondary,
body.light-mode .btn-secondary-sm {
    background: rgba(15, 23, 42, 0.04);
    color: #0f172a;
}

body.light-mode .btn-secondary:hover,
body.light-mode .btn-secondary-sm:hover {
    background: rgba(15, 23, 42, 0.08);
    color: #000;
}

body.light-mode .btn-tag,
body.light-mode .btn-template {
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
}

body.light-mode .btn-tag:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #ffffff;
    box-shadow: 0 4px 12px var(--accent-glow);
}

body.light-mode .btn-template:hover {
    background: rgba(15, 23, 42, 0.02);
    border-color: var(--secondary-color);
    box-shadow: 0 4px 12px var(--secondary-glow);
}

body.light-mode .theme-switcher-container {
    background: rgba(15, 23, 42, 0.02);
}

body.light-mode .tag-flow-badge {
    background: rgba(15, 23, 42, 0.04);
    border-color: rgba(15, 23, 42, 0.08);
}

body.light-mode .tag-badge-open {
    background: rgba(6, 182, 212, 0.08);
    color: #0369a1; /* High contrast cyan/blue */
    border: 1px solid rgba(6, 182, 212, 0.3);
    font-weight: 600;
}

body.light-mode .tag-badge-close {
    background: rgba(244, 63, 94, 0.08);
    color: #be123c; /* High contrast red-pink */
    border: 1px solid rgba(244, 63, 94, 0.3);
    font-weight: 600;
}

body.light-mode .tag-badge-sep {
    color: #334155;
    font-weight: bold;
}

body.light-mode .order-label,
body.light-mode .steps-label {
    color: #334155; /* Bolder label text in light mode */
}

body.light-mode .step-item {
    background: rgba(255, 255, 255, 0.85); /* Solid white bg for clean separation against the light pink background */
    border-color: rgba(244, 63, 94, 0.15);
}

body.light-mode .step-item.clickable-step:hover {
    background: #ffffff;
    border-color: var(--secondary-color);
}

body.light-mode .step-text {
    color: #0f172a;
}

body.light-mode .step-text code {
    background: rgba(139, 92, 246, 0.08);
    color: #5b21b6; /* Dark bold purple */
    border: 1px solid rgba(139, 92, 246, 0.2);
    font-weight: 600;
}

body.light-mode .step-num {
    background: rgba(15, 23, 42, 0.12); /* Darker number background */
    color: #0f172a;
}

body.light-mode .step-hint {
    color: #475569;
}

body.light-mode .error-title {
    color: #b91c1c; /* High-contrast red for header alert */
}

body.light-mode .pulse-dot.green {
    background-color: var(--success-color);
}

body.light-mode .content-heading {
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.light-mode .custom-tag-builder input::placeholder {
    color: var(--text-muted);
}

/* Mode Toggle Button Styling */
.mode-toggle-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 38px;
    height: 38px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mode-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
    transform: scale(1.05);
}

body.light-mode .mode-toggle-btn {
    background: rgba(15, 23, 42, 0.04);
    color: var(--text-primary);
}

body.light-mode .mode-toggle-btn:hover {
    background: rgba(15, 23, 42, 0.08);
}


/* Reset and Global Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    padding: 2rem 1.5rem;
}

/* Global premium transitions for components */
body, .app-header, .card, .editor-section, .btn-secondary, .btn-secondary-sm, .btn-danger-sm, .btn-tag, .btn-template, textarea, input, .status-indicator, .theme-switcher-container, .badge {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
}

/* Header Grid Layout */
.app-container {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.app-header {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    backdrop-filter: var(--backdrop-blur);
    padding: 1.25rem 2rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-main);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.logo-text h1 {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.badge {
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #ffffff;
}

.tagline {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    position: relative;
}

.pulse-dot.green {
    background-color: var(--success-color);
    box-shadow: 0 0 8px var(--success-color);
}

.pulse-dot.red {
    background-color: var(--danger-color);
    box-shadow: 0 0 8px var(--danger-color);
}

.pulse-dot.green::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--success-color);
    opacity: 0.4;
    animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.4; }
    100% { transform: scale(2.5); opacity: 0; }
}

/* Workspace Layout */
.workspace {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 1.5rem;
}

@media (max-width: 1024px) {
    .workspace {
        grid-template-columns: 1fr;
    }
    .editor-section {
        order: 1;
    }
    .control-sidebar {
        order: 2;
    }
}

/* Sidebar Styling */
.control-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    backdrop-filter: var(--backdrop-blur);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-main);
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    transition: border-color 0.3s ease;
}

.card:hover {
    border-color: var(--border-hover);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.icon {
    vertical-align: middle;
}

.section-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Tag Buttons Grid */
.tag-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.btn-tag {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-code);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.6rem 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    text-align: center;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-tag:hover {
    background: var(--accent-glow);
    border-color: var(--accent-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.15);
}

/* Custom Tag Builder */
.custom-tag-builder {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.custom-tag-builder input {
    flex: 1;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    outline: none;
    transition: border-color 0.2s;
}

.custom-tag-builder input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.btn-primary-sm {
    background: var(--accent-color);
    border: none;
    color: #fff;
    padding: 0.5rem 0.85rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s;
}

.btn-primary-sm:hover {
    background-color: var(--accent-hover);
    transform: scale(1.02);
}

/* Templates Library Styles */
.template-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.btn-template {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.65rem 0.85rem;
    cursor: pointer;
    text-align: left;
    display: flex;
    flex-direction: column;
    transition: all 0.2s;
}

.btn-template:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--secondary-color);
}

.tpl-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.tpl-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Validation Output Box */
.validation-output {
    font-size: 0.85rem;
    min-height: 48px;
    display: flex;
    align-items: center;
}

.status-msg {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.65rem 0.85rem;
    border-radius: 8px;
    border: 1px solid transparent;
}

.status-msg.success {
    background: var(--success-bg);
    border-color: rgba(16, 185, 129, 0.25);
    color: var(--success-color);
}

.status-msg.warning {
    background: var(--danger-bg);
    border-color: rgba(244, 63, 94, 0.25);
    color: var(--danger-color);
}

.status-icon {
    font-weight: bold;
    font-size: 1rem;
}

/* Workspace Editor Area */
.editor-section {
    display: flex;
    flex-direction: column;
    background: var(--bg-workspace);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-main);
}

.editor-header {
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.editor-tabs {
    display: flex;
}

.tab {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.editor-actions-top {
    display: flex;
    gap: 0.5rem;
}

.btn-secondary-sm {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary-sm:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-color: var(--border-hover);
}

.btn-danger-sm {
    background: var(--danger-bg);
    border: 1px solid rgba(244, 63, 94, 0.2);
    color: var(--danger-color);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-danger-sm:hover {
    background: var(--danger-color);
    color: #fff;
}

/* Editor Wrapper & Line Numbers */
.editor-wrapper {
    flex: 1;
    display: grid;
    grid-template-columns: auto 1fr;
    min-height: 420px;
    position: relative;
}

.editor-lines {
    background: rgba(0, 0, 0, 0.15);
    border-right: 1px solid var(--border-color);
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    padding: 1.25rem 0.75rem;
    text-align: right;
    user-select: none;
    line-height: 1.5;
    min-width: 45px;
}

.editor-lines span {
    display: block;
}

#prompt-textarea,
#json-textarea {
    width: 100%;
    height: 100%;
    min-height: 420px;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-code);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    padding: 1.25rem;
    resize: vertical;
    white-space: pre-wrap;
    word-break: break-all;
}

#prompt-textarea::placeholder,
#json-textarea::placeholder {
    color: var(--text-muted);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Editor Footer Area */
.editor-footer {
    background: rgba(0, 0, 0, 0.25);
    border-top: 1px solid var(--border-color);
    padding: 0.85rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.stats-row {
    display: flex;
    gap: 1rem;
}

.stat-badge {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.stat-badge strong {
    color: var(--text-primary);
}

.action-buttons {
    display: flex;
    gap: 0.75rem;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
}

.btn-copy {
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border: none;
    color: #fff;
    padding: 0.6rem 1.4rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
}

.btn-copy:hover {
    opacity: 0.95;
    transform: scale(1.02);
    box-shadow: 0 0 16px var(--accent-glow);
}

.btn-copy .copy-text,
.btn-copy .copied-text {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stroke-success {
    stroke: #fff;
}

.hidden {
    display: none !important;
}

/* Educational SEO Content Sections */
.educational-section {
    margin-top: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    backdrop-filter: var(--backdrop-blur);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-main);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.content-heading {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

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

.content-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
}

.content-card h3 {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.content-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.content-card code {
    background: rgba(0, 0, 0, 0.35);
    color: var(--secondary-color);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
}

/* Table styling for SEO */
.cheat-sheet-section {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cheat-sheet-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.table-container {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.cheat-sheet-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.85rem;
}

.cheat-sheet-table th,
.cheat-sheet-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.cheat-sheet-table th {
    background: rgba(255, 255, 255, 0.02);
    font-weight: 600;
    color: var(--text-primary);
}

.cheat-sheet-table td {
    color: var(--text-secondary);
}

.cheat-sheet-table tr:last-child td {
    border-bottom: none;
}

.cheat-sheet-table code {
    background: rgba(0, 0, 0, 0.35);
    color: var(--accent-color);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
}

/* FAQ Layout */
.faq-section {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.faq-item {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    padding: 1.25rem;
    border-radius: 8px;
}

.faq-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.faq-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Site Footer */
.app-footer {
    text-align: center;
    padding: 2rem 0;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Interactive error highlight trigger */
.clickable-error {
    cursor: pointer;
    transition: all 0.2s ease;
}

.clickable-error:hover {
    background: rgba(244, 63, 94, 0.18) !important;
    border-color: rgba(244, 63, 94, 0.4) !important;
    transform: scale(1.01);
}

/* Theme Switcher Widget */
.header-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.theme-switcher-container {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.75rem;
    border-radius: 8px;
}

.theme-switcher-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.theme-switcher {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.theme-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.35);
    cursor: pointer;
    padding: 0;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.theme-dot:hover {
    transform: scale(1.25);
    border-color: #fff;
}

.theme-dot.active {
    transform: scale(1.25);
    border-color: #fff;
    box-shadow: 0 0 10px currentColor;
    outline: 2px solid var(--accent-color);
    outline-offset: 1px;
}

/* Ad Container Styles */
.ad-container {
    width: 100%;
    margin: 0.5rem auto;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all 0.3s ease;
}

.ad-placeholder {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.01);
    border: 2px dashed rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    user-select: none;
    position: relative;
}

.ad-container:hover .ad-placeholder {
    border-color: var(--accent-color);
    background: rgba(139, 92, 246, 0.02);
    box-shadow: inset 0 0 20px rgba(139, 92, 246, 0.05);
}

body.theme-emerald .ad-container:hover .ad-placeholder {
    background: rgba(16, 185, 129, 0.02);
    box-shadow: inset 0 0 20px rgba(16, 185, 129, 0.05);
}

body.theme-ocean .ad-container:hover .ad-placeholder {
    background: rgba(59, 130, 246, 0.02);
    box-shadow: inset 0 0 20px rgba(59, 130, 246, 0.05);
}

body.theme-amber .ad-container:hover .ad-placeholder {
    background: rgba(245, 158, 11, 0.02);
    box-shadow: inset 0 0 20px rgba(245, 158, 11, 0.05);
}

.ad-label {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    transition: color 0.3s ease;
}

.ad-container:hover .ad-label {
    color: var(--accent-color);
}

.ad-spec {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Spec lengths for different ad formats */
.ad-leaderboard {
    max-width: 970px;
    height: 90px;
}

.ad-sidebar {
    max-width: 100%;
    height: 250px;
    margin: 0.5rem 0;
}

@media (max-width: 768px) {
    /* Responsive margins and paddings */
    body {
        padding: 1rem 0.5rem;
    }
    .app-container {
        gap: 1rem;
    }
    .card {
        padding: 1rem;
    }
    .educational-section {
        padding: 1.25rem;
        margin-top: 1rem;
        gap: 1.25rem;
    }
    .content-heading {
        font-size: 1.3rem;
    }

    /* Stack Header elements vertically and center them */
    .app-header {
        flex-direction: column;
        gap: 1rem;
        padding: 1.25rem 1rem;
        align-items: center;
        text-align: center;
    }
    .logo-area {
        flex-direction: column;
        gap: 0.5rem;
        align-items: center;
    }
    .logo-text h1 {
        justify-content: center;
        font-size: 1.3rem;
    }
    .tagline {
        font-size: 0.75rem;
    }
    
    /* Place controls in a clean horizontal flow, wrap-safe */
    .header-controls {
        width: 100%;
        justify-content: center;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    .theme-switcher-container {
        padding: 0.3rem 0.5rem;
    }
    .theme-dot {
        width: 12px;
        height: 12px;
    }
    .status-indicator {
        font-size: 0.75rem;
        padding: 0.35rem 0.6rem;
        width: 100%;
        justify-content: center;
    }
    
    /* Scale down Workspace editor and line numbers */
    .editor-wrapper {
        min-height: 300px;
    }
    #prompt-textarea,
    #json-textarea {
        min-height: 300px;
        padding: 0.85rem;
        font-size: 0.8rem;
    }
    .editor-lines {
        min-width: 35px;
        font-size: 0.8rem;
        padding: 0.85rem 0.5rem;
    }
    
    /* Layout Editor Footer with full-width target buttons */
    .editor-footer {
        padding: 0.85rem;
        flex-direction: column;
        align-items: stretch;
        gap: 0.85rem;
    }
    .stats-row {
        justify-content: space-between;
        gap: 0.35rem;
    }
    .stat-badge {
        flex: 1;
        text-align: center;
        font-size: 0.68rem;
        padding: 0.25rem 0.35rem;
    }
    .action-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }
    .action-buttons button {
        width: 100%;
        justify-content: center;
    }

    /* Scaling responsive ad units and toggling spec labels */
    .ad-leaderboard {
        height: 60px;
        margin: 0.25rem auto;
    }
    .ad-placeholder {
        padding: 0.5rem;
    }
    .desktop-ad-spec {
        display: none !important;
    }
    .mobile-ad-spec {
        display: inline !important;
    }
    .ad-spec {
        font-size: 0.68rem;
    }
    
    /* Table scaling and text tweaks */
    .cheat-sheet-table th,
    .cheat-sheet-table td {
        padding: 0.6rem 0.5rem;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .tag-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .custom-tag-builder {
        flex-direction: column;
        gap: 0.5rem;
    }
    .btn-primary-sm {
        width: 100%;
        text-align: center;
    }
}

/* Error Card Details Styling */
.error-details {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    font-size: 0.8rem;
    width: 100%;
    text-align: left;
}

.error-title {
    font-weight: 700;
    color: var(--danger-color);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.error-steps {
    line-height: 1.5;
    color: var(--text-secondary);
}

.error-steps strong {
    color: var(--text-primary);
}

.error-steps code {
    background: rgba(0, 0, 0, 0.35);
    color: var(--danger-color);
    padding: 0.1rem 0.3rem;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
}

.error-highlight-tip {
    text-decoration: underline;
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: color 0.2s;
    margin-top: 0.2rem;
}

.clickable-error:hover .error-highlight-tip {
    color: var(--text-secondary);
}

.status-msg.warning {
    align-items: flex-start;
}

/* Step-by-Step Fix List Checklist & Ordering Flow Styles */
.error-correct-order {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 0.75rem;
}

.order-label, .steps-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.tag-flow-badge {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0.4rem 0.65rem;
    border-radius: 8px;
    width: fit-content;
    margin-top: 0.2rem;
}

.tag-badge-open, .tag-badge-close {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
}

.tag-badge-open {
    background: rgba(6, 182, 212, 0.15);
    color: #22d3ee;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.tag-badge-close {
    background: rgba(244, 63, 94, 0.15);
    color: #fda4af;
    border: 1px solid rgba(244, 63, 94, 0.3);
}

.tag-badge-sep {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.error-steps-checklist {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    margin-bottom: 0.75rem;
    margin-top: 0.5rem;
}

.fix-steps-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.2rem;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.5rem 0.65rem;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.step-item.clickable-step {
    cursor: pointer;
    user-select: none;
}

.step-item.clickable-step:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
}

#step-locate.clickable-step:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.15);
}

#step-fix.clickable-step:hover {
    border-color: var(--danger-color);
    box-shadow: 0 0 10px rgba(244, 63, 94, 0.15);
}

.step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.07);
    color: var(--text-primary);
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.clickable-step:hover .step-num {
    background: var(--accent-color);
    color: #fff;
    box-shadow: 0 0 6px var(--accent-glow);
}

.step-text {
    font-size: 0.78rem;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.45;
}

.step-text code {
    background: rgba(0, 0, 0, 0.35);
    color: var(--danger-color);
    padding: 0.1rem 0.3rem;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
}

.step-hint {
    display: inline-block;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-style: italic;
    margin-left: 0.25rem;
    transition: color 0.2s;
}

.clickable-step:hover .step-hint {
    color: var(--text-secondary);
}

/* Error Actions Panel Buttons */
.error-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
    width: 100%;
}

.btn-error-action {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 0.85rem;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.btn-error-action.fix-btn {
    background: var(--danger-color);
    border: 1px solid rgba(244, 63, 94, 0.2);
    color: #fff;
}

.btn-error-action.fix-btn:hover {
    background: var(--danger-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(244, 63, 94, 0.3);
}

.btn-error-action.highlight-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-error-action.highlight-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

/* Success Step styles */
.success-details {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    width: 100%;
    text-align: left;
}

.success-title {
    font-weight: 700;
    color: var(--success-color);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.success-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.success-next-action {
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.6rem 0.8rem;
    border-radius: 8px;
    background: rgba(16, 185, 129, 0.06);
    border: 1px solid rgba(16, 185, 129, 0.18);
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}

.success-next-action:hover {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.35);
    transform: scale(1.015);
}

.action-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--success-color);
    color: #0b0d13;
    font-size: 0.85rem;
    font-weight: bold;
    flex-shrink: 0;
}

.action-text {
    font-size: 0.78rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.btn-accent-sm-inline {
    background: var(--accent-color);
    border: none;
    color: #fff;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    display: inline-block;
    margin: 0 0.15rem;
    vertical-align: middle;
}

.btn-accent-sm-inline:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 8px var(--accent-glow);
}

/* Animations */
.animate-pulse-glow {
    animation: successPulse 2s infinite ease-in-out;
}

@keyframes successPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }
    70% {
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* --- Suite Tab Switcher & Multi-utility Panel Styling --- */
.suite-tabs {
    display: flex;
    gap: 0.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    backdrop-filter: var(--backdrop-blur);
    box-shadow: var(--shadow-main);
}
.nav-tab {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 0.75rem 1rem;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-tab:hover {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
}
body.light-mode .nav-tab:hover {
    background: rgba(15, 23, 42, 0.04);
}
.nav-tab.active {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--border-color);
    color: var(--accent-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    text-shadow: 0 0 10px var(--accent-glow);
}
body.light-mode .nav-tab.active {
    background: #ffffff;
    border-color: rgba(15, 23, 42, 0.08);
    color: var(--accent-color);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
}

/* PNG to SVG Converter styling */
.svg-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: 3.5rem 2rem;
    margin: 1.5rem;
    text-align: center;
    background: rgba(0, 0, 0, 0.12);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 350px;
}
body.light-mode .svg-dropzone {
    background: rgba(15, 23, 42, 0.02);
}
.svg-dropzone.dragover {
    border-color: var(--accent-color);
    background: var(--accent-glow);
    box-shadow: inset 0 0 20px rgba(139, 92, 246, 0.1);
}
.dropzone-icon {
    color: var(--text-muted);
    transition: color 0.3s ease, transform 0.3s ease;
}
.svg-dropzone:hover .dropzone-icon,
.svg-dropzone.dragover .dropzone-icon {
    color: var(--accent-color);
    transform: translateY(-5px);
    filter: drop-shadow(0 0 8px var(--accent-glow));
}
.svg-comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    padding: 1.5rem;
    width: 100%;
    min-height: 350px;
}
.preview-box {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 250px;
    overflow: hidden;
}
body.light-mode .preview-box {
    background: rgba(15, 23, 42, 0.01);
}
.preview-label {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    background: rgba(0, 0, 0, 0.35);
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    letter-spacing: 0.05em;
    pointer-events: none;
}
body.light-mode .preview-label {
    background: rgba(255, 255, 255, 0.85);
}
.preview-box img,
.preview-box svg {
    max-width: 100%;
    max-height: 250px;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
}

/* SVG Settings Sliders */
.settings-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.settings-label-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}
.settings-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    transition: background 0.2s;
}
body.light-mode .settings-slider {
    background: rgba(15, 23, 42, 0.08);
}
.settings-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
}
.settings-slider::-webkit-slider-thumb:hover {
    transform: scale(1.25);
    box-shadow: 0 0 10px var(--accent-glow);
}
.settings-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    border: none;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
}
.settings-slider::-moz-range-thumb:hover {
    transform: scale(1.25);
    box-shadow: 0 0 10px var(--accent-glow);
}