/* 
   Source Code Review Academy - Core Stylesheet
   Theme: Dark Blue (navy/cobalt) background with Light Blue (cyan/electric) accents.
*/

:root {
    /* SCReviewers Midnight Color Theme Palette */
    --bg-primary: #0a1220;      /* --bg-deep */
    --bg-secondary: #0f1b30;    /* --bg-panel */
    --bg-tertiary: #152342;     /* --bg-panel-2 */
    --bg-light: #1e2c4a;
    
    --accent-purple: #4c8dff;         /* --accent */
    --accent-purple-glow: rgba(76, 141, 255, 0.4);
    --accent-blue: #3b82f6;           /* Secondary accent */
    --accent-blue-glow: rgba(59, 130, 246, 0.4);
    
    --accent-emerald: #3ad07f;        /* --add */
    --accent-emerald-glow: rgba(58, 208, 127, 0.2);
    --accent-amber: #f5b841;          /* --comment */
    --accent-amber-glow: rgba(245, 184, 65, 0.2);
    --accent-crimson: #ff6b6b;         /* --remove */
    --accent-crimson-glow: rgba(255, 107, 107, 0.2);
    
    --border-color: #233256;          /* --line */
    --border-color-glow: rgba(76, 141, 255, 0.3);
    
    --text-main: #e8edf7;             /* --text */
    --text-secondary: #8ca0c4;        /* --text-muted */
    --text-muted: #5c6f94;            /* --text-faint */
    
    /* SCReviewers specific keys */
    --bg-deep: #0a1220;
    --bg-panel: #0f1b30;
    --bg-panel-2: #152342;
    --line: #233256;
    --line-soft: #1a2743;
    --text: #e8edf7;
    --text-muted: #8ca0c4;
    --text-faint: #5c6f94;
    --accent: #4c8dff;
    --accent-soft: rgba(76,141,255,0.12);
    --add: #3ad07f;
    --add-bg: rgba(58,208,127,0.09);
    --remove: #ff6b6b;
    --remove-bg: rgba(255,107,107,0.09);
    --comment: #f5b841;
    --radius: 10px;
    
    /* Glassmorphism Variables */
    --glass-bg: rgba(15, 27, 48, 0.85);
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-blur: blur(16px);
    
    /* Layout & Fonts */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --font-display: 'Space Grotesk', sans-serif;
    --border-radius: 10px;
    --transition-speed: 0.2s;
    
    /* Box Shadows */
    --glow-shadow: 0 0 20px rgba(76, 141, 255, 0.15);
    --glow-shadow-blue: 0 0 20px rgba(59, 130, 246, 0.15);
}

/* Base resets & setups */
html {
    scroll-behavior: smooth;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.5;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* background texture */
body::before {
    content:"";
    position:fixed; inset:0;
    background-image:
      linear-gradient(var(--line-soft) 1px, transparent 1px),
      linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
    background-size:64px 64px;
    opacity:0.35;
    mask-image:radial-gradient(ellipse 80% 50% at 50% 0%, black 0%, transparent 70%);
    pointer-events:none;
    z-index:0;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-light);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-purple);
}

/* Main Container App */
#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(56, 189, 248, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 180, 216, 0.04) 0%, transparent 40%);
    background-attachment: fixed;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    color: #ffffff;
    letter-spacing: -0.02em;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color var(--transition-speed);
}
a:hover {
    color: var(--accent-purple);
}

code, pre {
    font-family: var(--font-mono);
}

/* ==========================================================================
   Common Glass Components
   ========================================================================== */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.glass-panel.glowing-purple {
    border-color: var(--border-color-glow);
    box-shadow: var(--glow-shadow);
}

.glass-panel.glowing-blue {
    border-color: rgba(0, 180, 216, 0.25);
    box-shadow: var(--glow-shadow-blue);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    color: #ffffff;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple), #0284c7);
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.25);
}
.btn-primary:hover {
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-color);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-blue), #0077b6);
    box-shadow: 0 4px 15px rgba(0, 180, 216, 0.25);
}
.btn-accent:hover {
    box-shadow: 0 4px 20px rgba(0, 180, 216, 0.4);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--accent-crimson), #dc2626);
}
.btn-danger:hover {
    transform: translateY(-2px);
}

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

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.badge-easy {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.25);
}
.badge-medium {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-amber);
    border: 1px solid rgba(245, 158, 11, 0.25);
}
.badge-hard {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-crimson);
    border: 1px solid rgba(239, 68, 68, 0.25);
}
.badge-purple {
    background: rgba(56, 189, 248, 0.15);
    color: var(--accent-purple);
    border: 1px solid rgba(56, 189, 248, 0.25);
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: rgba(5, 10, 20, 0.85);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff, var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    cursor: pointer;
}

.navbar-brand i {
    color: var(--accent-purple);
    background: none;
    -webkit-text-fill-color: initial;
    filter: drop-shadow(0 0 8px var(--accent-purple));
}

.navbar-menu {
    display: flex;
    gap: 1.25rem;
}

.navbar-link {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all var(--transition-speed);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.navbar-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.04);
}

.navbar-link.active {
    color: #ffffff;
    background: rgba(56, 189, 248, 0.15);
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.navbar-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-stats {
    background: rgba(255, 255, 255, 0.04);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-stats .score {
    color: var(--accent-purple);
}

.navbar-stats .streak {
    color: var(--accent-amber);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* ==========================================================================
   Landing Page & Login Layout
   ========================================================================== */
.landing-container {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.landing-hero {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.landing-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(135deg, #ffffff, var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.landing-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.feature-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--accent-purple);
}

.feature-title {
    font-weight: 700;
    color: #ffffff;
}

.feature-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.login-card {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
    max-width: 400px;
    margin-left: auto;
}

.login-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

/* ==========================================================================
   Dashboard View
   ========================================================================== */
.dashboard-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    width: 100%;
}

/* Stats Row */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    position: relative;
    overflow: hidden;
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.purple {
    background: rgba(56, 189, 248, 0.15);
    color: var(--accent-purple);
    border: 1px solid rgba(56, 189, 248, 0.25);
}

.stat-icon.blue {
    background: rgba(0, 180, 216, 0.15);
    color: var(--accent-blue);
    border: 1px solid rgba(0, 180, 216, 0.25);
}

.stat-icon.green {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.stat-icon.orange {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-amber);
    border: 1px solid rgba(245, 158, 11, 0.25);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Learning Path Timeline MAP */
.learning-path-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.path-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.path-timeline {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
    padding-left: 2rem;
}

.path-timeline::before {
    content: '';
    position: absolute;
    top: 15px;
    bottom: 15px;
    left: 24px;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-purple), var(--accent-blue), var(--bg-light));
    z-index: 1;
}

.module-node {
    position: relative;
    z-index: 2;
}

.module-badge-indicator {
    position: absolute;
    left: -2.3rem;
    top: 10px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--accent-purple);
    box-shadow: 0 0 10px var(--accent-purple);
}

.module-node.completed .module-badge-indicator {
    border-color: var(--accent-emerald);
    background: var(--accent-emerald);
    box-shadow: 0 0 10px var(--accent-emerald);
}

.module-node.locked .module-badge-indicator {
    border-color: var(--text-muted);
    box-shadow: none;
}

.module-card {
    background: rgba(10, 18, 36, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all var(--transition-speed);
}

.module-card:hover {
    border-color: var(--border-color-glow);
    box-shadow: var(--glow-shadow);
    transform: translateX(5px);
}

.module-card.locked {
    opacity: 0.6;
    pointer-events: none;
}

.module-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.module-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
}

.module-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.module-labs-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.lab-card-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 1rem;
    cursor: pointer;
    transition: all var(--transition-speed);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 130px;
}

.lab-card-item:hover {
    background: rgba(56, 189, 248, 0.05);
    border-color: rgba(56, 189, 248, 0.3);
    transform: translateY(-2px);
}

.lab-card-item.completed {
    border-color: rgba(16, 185, 129, 0.3);
}

.lab-card-item.completed:hover {
    background: rgba(16, 185, 129, 0.05);
}

.lab-card-item.locked-timer {
    opacity: 0.75;
    border-color: rgba(245, 158, 11, 0.25);
    cursor: not-allowed;
}

.lab-card-item.locked-timer:hover {
    background: rgba(245, 158, 11, 0.02);
    border-color: rgba(245, 158, 11, 0.35);
    transform: none;
}

.lab-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.lab-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.lab-status-indicator {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: 600;
}

.lab-status-indicator.completed {
    color: var(--accent-emerald);
}

.lab-status-indicator.pending {
    color: var(--accent-purple);
}

.lab-status-indicator.locked {
    color: var(--accent-amber);
}

/* Countdown Clock display inside cards */
.countdown-clock {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-amber);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: rgba(245, 158, 11, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    border: 1px solid rgba(245, 158, 11, 0.25);
}

/* ==========================================================================
   Lab View (Split Pane Layout)
   ========================================================================== */
.lab-container {
    display: flex;
    flex: 1;
    height: calc(100vh - 65px);
    overflow: hidden;
    width: 100%;
}

.sidebar-panel {
    width: 240px;
    border-right: 1px solid var(--border-color);
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-title {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.file-tree {
    padding: 0.5rem;
    overflow-y: auto;
    flex: 1;
}

.file-tree-node {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    transition: all var(--transition-speed);
}

.file-tree-node:hover {
    background: rgba(255, 255, 255, 0.03);
    color: #ffffff;
}

.file-tree-node.active {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-purple);
    border: 1px solid rgba(56, 189, 248, 0.15);
}

.file-tree-folder {
    font-weight: 600;
    color: #ffffff;
    pointer-events: none;
    padding-left: 0.2rem;
    margin-top: 0.5rem;
}

.editor-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    overflow: hidden;
    position: relative;
}

.editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.editor-filename {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.95rem;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.editor-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.search-container {
    position: relative;
}

.editor-search {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.4rem 0.8rem 0.4rem 2rem;
    color: #ffffff;
    font-size: 0.85rem;
    font-family: var(--font-sans);
    width: 180px;
    transition: all var(--transition-speed);
}

.editor-search:focus {
    width: 240px;
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.25);
}

.search-icon {
    position: absolute;
    left: 0.6rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.85rem;
    pointer-events: none;
}

.code-viewport {
    flex: 1;
    overflow: auto;
    position: relative;
    padding: 0;
    background: #0d121d; /* Matches dark-blue theme background for Prism */
}

.code-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.6;
    color: #ccc;
}

.code-row {
    display: table-row;
    transition: background-color 0.15s ease;
}

.code-row:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.code-row.highlighted-line {
    background-color: rgba(56, 189, 248, 0.12) !important;
}

.code-row.vulnerable-highlighted {
    background-color: rgba(239, 68, 68, 0.15) !important;
    border-left: 3px solid var(--accent-crimson);
    animation: linePulse 2s infinite ease-in-out;
}

@keyframes linePulse {
    0% { background-color: rgba(239, 68, 68, 0.12); }
    50% { background-color: rgba(239, 68, 68, 0.25); }
    100% { background-color: rgba(239, 68, 68, 0.12); }
}

.line-num {
    display: table-cell;
    width: 3.5rem;
    text-align: right;
    padding-right: 1.25rem;
    color: #43587d;
    user-select: none;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(13, 18, 29, 0.7);
    cursor: pointer;
    transition: color 0.15s ease;
}

.line-num:hover {
    color: var(--accent-purple);
    background: rgba(13, 18, 29, 0.9);
}

.code-cell {
    display: table-cell;
    padding-left: 1.25rem;
    white-space: pre;
    word-break: keep-all;
    vertical-align: middle;
}

/* Assessment Right Panel */
.assessment-panel {
    width: 480px;
    border-left: 1px solid var(--border-color);
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow-y: auto;
}

.assessment-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 10;
}

.assessment-tab {
    flex: 1;
    padding: 1rem 0.5rem;
    text-align: center;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-speed);
}

.assessment-tab:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.02);
}

.assessment-tab.active {
    color: var(--accent-purple);
    border-bottom-color: var(--accent-purple);
    background: rgba(56, 189, 248, 0.04);
}

.assessment-tab.locked {
    opacity: 0.4;
    cursor: not-allowed;
}

.assessment-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Lab Header Widget */
.lab-header-widget {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.25rem;
}

.lab-title {
    font-size: 1.4rem;
    font-weight: 800;
    line-height: 1.2;
}

.lab-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    align-items: center;
}

.lab-meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.lab-meta-item i {
    color: var(--accent-purple);
}

/* Scenario Widget */
.scenario-card {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
}

.scenario-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-purple);
}

.scenario-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: pre-line;
}

/* Question rendering */
.question-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 1.25rem;
    transition: border-color var(--transition-speed);
}

.question-card:focus-within {
    border-color: rgba(56, 189, 248, 0.3);
}

.question-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #ffffff;
}

/* Options */
.options-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.option-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-speed);
    font-size: 0.9rem;
}

.option-item:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.15);
}

.option-input {
    margin-top: 0.2rem;
    cursor: pointer;
    accent-color: var(--accent-purple);
}

.option-item.selected {
    background: rgba(56, 189, 248, 0.06);
    border-color: rgba(56, 189, 248, 0.4);
}

/* Form Controls styling */
.form-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.7rem 1rem;
    color: #ffffff;
    font-size: 0.9rem;
    font-family: var(--font-sans);
    transition: all var(--transition-speed);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.25);
    background: rgba(0, 0, 0, 0.3);
}

.form-input.code-font {
    font-family: var(--font-mono);
}

textarea.form-input {
    resize: vertical;
    min-height: 80px;
}

/* Severity Pill Selector */
.severity-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.severity-pill {
    padding: 0.6rem 0.25rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.25);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 700;
    text-align: center;
    transition: all var(--transition-speed);
}

.severity-pill:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.severity-pill.low.selected {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
    border-color: var(--accent-emerald);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.25);
}

.severity-pill.medium.selected {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-amber);
    border-color: var(--accent-amber);
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.25);
}

.severity-pill.high.selected {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-crimson);
    border-color: var(--accent-crimson);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.25);
}

.severity-pill.critical.selected {
    background: #7f1d1d;
    color: #fca5a5;
    border-color: var(--accent-crimson);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}

/* Submission grading response states */
.grading-banner {
    border-radius: 10px;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.grading-banner.passed {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #e6fbf4;
}

.grading-banner.passed i {
    color: var(--accent-emerald);
    font-size: 2rem;
}

.grading-banner.failed {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fef2f2;
}

.grading-banner.failed i {
    color: var(--accent-crimson);
    font-size: 2rem;
}

.grading-score-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    font-weight: 800;
    font-family: var(--font-display);
    border: 3px solid;
    margin-left: auto;
}

.passed .grading-score-circle {
    border-color: var(--accent-emerald);
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
}

.failed .grading-score-circle {
    border-color: var(--accent-crimson);
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-crimson);
}

.validation-list {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.validation-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    padding: 0.6rem 0.8rem;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
}

.validation-item.correct {
    border-color: rgba(16, 185, 129, 0.2);
    background: rgba(16, 185, 129, 0.03);
}

.validation-item.correct i {
    color: var(--accent-emerald);
}

.validation-item.incorrect {
    border-color: rgba(239, 68, 68, 0.2);
    background: rgba(239, 68, 68, 0.03);
}

.validation-item.incorrect i {
    color: var(--accent-crimson);
}

/* Walkthrough elements */
.walkthrough-card {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

.walkthrough-info-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.walkthrough-info-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
}

.walkthrough-info-val {
    font-size: 0.9rem;
    font-weight: 700;
    color: #ffffff;
}

.walkthrough-highlight-btn {
    align-self: flex-start;
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
}

.walkthrough-section-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-purple);
    border-left: 3px solid var(--accent-purple);
    padding-left: 0.5rem;
    margin-bottom: 0.5rem;
}

.walkthrough-md {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.walkthrough-md p {
    white-space: pre-line;
}

.walkthrough-md code {
    background: var(--bg-light);
    padding: 0.15rem 0.3rem;
    border-radius: 4px;
    color: var(--accent-purple);
    font-size: 0.85rem;
}

/* ==========================================================================
   Admin Workspace & User Management
   ========================================================================== */
.admin-container {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    width: 100%;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.admin-tab-btn {
    padding: 0.75rem 1.5rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-speed);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-tab-btn:hover {
    color: #ffffff;
}

.admin-tab-btn.active {
    color: var(--accent-purple);
    border-bottom-color: var(--accent-purple);
}

.admin-card {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.admin-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.admin-form-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-form-label i {
    color: var(--accent-purple);
}

.admin-form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

/* User management specific elements */
.user-management-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
}

@media(max-width: 900px) {
    .user-management-grid {
        grid-template-columns: 1fr;
    }
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.admin-table th, .admin-table td {
    padding: 0.85rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    font-family: var(--font-display);
    font-weight: 700;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.02);
}

.admin-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.01);
}

.admin-files-section {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.admin-files-tabs {
    display: flex;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 0.5rem 0 0.5rem;
    gap: 0.25rem;
    overflow-x: auto;
    align-items: flex-end;
}

.admin-file-tab {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-bottom: none;
    border-radius: 6px 6px 0 0;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-speed);
}

.admin-file-tab:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
}

.admin-file-tab.active {
    background: var(--bg-primary);
    color: var(--accent-purple);
    border-color: var(--border-color);
    border-top: 2px solid var(--accent-purple);
}

.admin-add-file-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    margin-bottom: 0.3rem;
}

.admin-file-editor-area {
    padding: 1rem;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.admin-questions-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.admin-question-delete {
    position: absolute;
    top: 1rem;
    right: 1rem;
    color: var(--accent-crimson);
    cursor: pointer;
    background: none;
    border: none;
    font-size: 1rem;
    padding: 0.25rem;
    border-radius: 4px;
    transition: background-color var(--transition-speed);
}

.admin-question-delete:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* ==========================================================================
   Toast / Notification Component
   ========================================================================== */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 1000;
}

.toast {
    background: #090f1d;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    color: #ffffff;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    max-width: 320px;
}

.toast.success {
    border-left: 4px solid var(--accent-purple);
}
.toast.success i {
    color: var(--accent-purple);
}

.toast.error {
    border-left: 4px solid var(--accent-crimson);
}
.toast.error i {
    color: var(--accent-crimson);
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.file-upload-dropzone {
    border: 2px dashed rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.01);
    cursor: pointer;
    transition: all var(--transition-speed);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.file-upload-dropzone:hover {
    border-color: var(--accent-purple);
    background: rgba(56, 189, 248, 0.03);
}

.file-upload-dropzone i {
    font-size: 2.5rem;
    color: var(--text-muted);
}

/* Responsive adjustments */
@media(max-width: 900px) {
    .landing-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin: 2rem auto;
    }
    .login-card {
        margin: 0 auto;
    }
    
    .lab-container {
        flex-direction: column;
        height: auto;
        overflow: visible;
    }
    
    .sidebar-panel {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        height: 180px;
    }
    
    .editor-panel {
        height: 450px;
    }
    
    .assessment-panel {
        width: 100%;
        border-left: none;
        border-top: 1px solid var(--border-color);
        height: auto;
    }
}

/* Custom Prism syntax overrides in a premium Dark Blue and Light Blue theme */
code[class*="language-"], 
pre[class*="language-"] {
    background: #060c18 !important; /* Deep Dark Blue code area */
    color: #e0f2fe !important;      /* Soft Light Blue text */
    text-shadow: none !important;
}

.code-viewport {
    background: #060c18 !important; /* Forces dark blue base background */
}

/* Prism tokens mapped to curated shades of light and dark blue */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
    color: #475569 !important; /* Muted Slate Blue */
    font-style: italic;
}

.token.punctuation {
    color: #7dd3fc !important; /* Sky Blue */
}

.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol,
.token.deleted {
    color: #38bdf8 !important; /* Electric Light Blue */
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
    color: #00b4d8 !important; /* Vibrant Cyan Blue */
}

.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string {
    color: #90e0ef !important; /* Brightest Ice Blue */
}

.token.atrule,
.token.attr-value,
.token.keyword {
    color: #60a5fa !important; /* Rich Royal Blue */
    font-weight: bold;
}

.token.function,
.token.class-name {
    color: #38bdf8 !important; /* Electric Blue */
}

.token.regex,
.token.important,
.token.variable {
    color: #0284c7 !important; /* Muted Cobalt Blue */
}

.token.important,
.token.bold {
    font-weight: bold;
}
.token.italic {
    font-style: italic;
}

/* ==========================================================================
   SCReviewers Landing Page Layout Styles (Scoped inside .landing-view)
   ========================================================================== */

.landing-view h1, 
.landing-view h2, 
.landing-view h3, 
.landing-view .display {
    font-family: 'Space Grotesk', sans-serif !important;
}

.landing-view header {
    position: sticky; 
    top: 0; 
    z-index: 50;
    background: rgba(10,18,32,0.82);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line-soft);
}

.landing-view nav {
    display: flex; 
    align-items: center; 
    justify-content: space-between;
    padding: 18px 32px;
    max-width: 1180px; 
    margin: 0 auto;
}

.landing-view .wrap {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 32px;
}

.landing-view .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 19px;
    font-weight: 700;
    color: var(--text-main);
}
.landing-view .logo .prompt {
    color: var(--accent);
}
.landing-view .logo .cursor {
    display: inline-block;
    width: 9px;
    height: 19px;
    background: var(--accent);
    margin-left: 2px;
    animation: blink 1.1s steps(1) infinite;
}
@keyframes blink {
    50% { opacity: 0; }
}

.landing-view .nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}
.landing-view .nav-links a {
    font-size: 14.5px;
    color: var(--text-secondary);
    transition: color .15s ease;
}
.landing-view .nav-links a:hover {
    color: var(--text-main);
}
.landing-view .nav-cta {
    display: flex;
    align-items: center;
    gap: 14px;
}
.landing-view .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 7px;
    font-size: 14px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all .15s ease;
}
.landing-view .btn-primary {
    background: var(--accent) !important;
    color: #04101f !important;
}
.landing-view .btn-primary:hover {
    background: #69a2ff !important;
    transform: translateY(-1px);
}
.landing-view .btn-ghost {
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
    background: transparent !important;
}
.landing-view .btn-ghost:hover {
    border-color: var(--accent) !important;
    color: var(--accent) !important;
}
.landing-view .btn-login {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}
.landing-view .btn-login:hover {
    color: var(--text-main);
}

/* Hero Section */
.landing-view .hero {
    position: relative;
    z-index: 1;
    padding: 88px 32px 60px;
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 56px;
    align-items: center;
}
.landing-view .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12.5px;
    color: var(--accent);
    background: var(--accent-soft);
    border: 1px solid rgba(76,141,255,0.25);
    padding: 6px 12px;
    border-radius: 100px;
    margin-bottom: 22px;
}
.landing-view .eyebrow .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--add);
    box-shadow: 0 0 8px var(--add);
}
.landing-view .hero h1 {
    font-size: clamp(34px, 5vw, 56px);
    line-height: 1.08;
    max-width: 780px;
    margin-bottom: 20px;
    color: #fff !important;
}
.landing-view .hero h1 .hl {
    color: var(--accent);
}
.landing-view .hero p.sub {
    font-size: 17.5px;
    color: var(--text-secondary);
    max-width: 560px;
    margin-bottom: 32px;
    line-height: 1.65;
}
.landing-view .hero-actions {
    display: flex;
    gap: 14px;
    margin-bottom: 8px;
}
.landing-view .hero-note {
    margin-top: 18px;
    font-size: 13px;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

/* Diff Panel code box layout */
.landing-view .diff-panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 30px 80px -20px rgba(0,0,0,0.6);
    max-width: 820px;
    margin: 0 auto;
    width: 100%;
}
.landing-view .diff-titlebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    background: var(--bg-panel-2);
    border-bottom: 1px solid var(--border-color);
}
.landing-view .diff-titlebar .file {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.landing-view .traffic {
    display: flex;
    gap: 6px;
}
.landing-view .traffic span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}
.landing-view .traffic .r { background: #ff6b6b55; }
.landing-view .traffic .y { background: #f5b84155; }
.landing-view .traffic .g { background: #3ad07f55; }
.landing-view .diff-status {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11.5px;
    color: var(--text-muted);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 3px 9px;
    border-radius: 100px;
}
.landing-view .diff-body {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13.5px;
    padding: 6px 0;
}
.landing-view .diff-line {
    display: flex;
    align-items: center;
    padding: 4px 18px;
    white-space: pre;
    border-left: 3px solid transparent;
    cursor: default;
}
.landing-view .diff-line .ln {
    width: 26px;
    color: var(--text-muted);
    user-select: none;
    flex-shrink: 0;
}
.landing-view .diff-line .marker {
    width: 20px;
    flex-shrink: 0;
    color: var(--text-muted);
    font-size: 12px;
}
.landing-view .diff-line .code {
    color: var(--text-secondary);
}
.landing-view .diff-line.flagged {
    background: var(--accent-soft);
    border-left-color: var(--accent);
}
.landing-view .diff-line.flagged .code {
    color: var(--text-main);
}
.landing-view .diff-line.flagged .marker {
    color: var(--accent);
}
.landing-view .code .kw { color: #c792ea; }
.landing-view .code .fn { color: #82aaff; }
.landing-view .code .str { color: #c3e88d; }
.landing-view .code .cm { color: var(--text-muted); }

.landing-view .review-comment {
    margin: 10px 18px 14px 44px;
    background: var(--bg-panel-2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 14px 16px;
}
.landing-view .review-comment .who {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: 'Inter';
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 12px;
}
.landing-view .review-comment .who .label {
    color: var(--text-muted);
    font-weight: 500;
}
.landing-view .classify-row {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.landing-view .sev-chip {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 5px;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}
.landing-view .sev-chip.active.crit {
    color: var(--accent-crimson);
    background: var(--accent-crimson-glow);
    border-color: rgba(255,107,107,0.4);
}
.landing-view .sev-chip.active.high {
    color: var(--accent-amber);
    background: var(--accent-amber-glow);
    border-color: rgba(245,184,65,0.4);
}
.landing-view .sev-chip.vuln-type {
    color: var(--accent);
    background: var(--accent-soft);
    border-color: rgba(76,141,255,0.35);
}
.landing-view .review-comment p {
    font-family: 'Inter';
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Stat strip columns styling */
.landing-view .stat-strip {
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
    background: var(--bg-panel);
    position: relative;
    z-index: 1;
}
.landing-view .stat-strip .wrap {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 28px 32px;
    max-width: 1180px;
    margin: 0 auto;
}
.landing-view .stat {
    text-align: center;
    border-right: 1px solid var(--line-soft);
}
.landing-view .stat:last-child {
    border-right: none;
}
.landing-view .stat .num {
    font-family: 'Space Grotesk';
    font-size: 26px;
    font-weight: 700;
    color: var(--text-main);
}
.landing-view .stat .num span {
    color: var(--accent);
}
.landing-view .stat .label {
    font-size: 12.5px;
    color: var(--text-muted);
    margin-top: 4px;
}

.landing-view section.pad {
    padding: 100px 32px;
    position: relative;
    z-index: 1;
}
.landing-view .section-head {
    max-width: 640px;
    margin-bottom: 56px;
}
.landing-view .section-head .eyebrow-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12.5px;
    color: var(--accent);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 14px;
    display: block;
}
.landing-view .section-head h2 {
    font-size: clamp(26px, 3.4vw, 36px);
    margin-bottom: 14px;
    color: #fff !important;
}
.landing-view .section-head p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
}

/* Steps list grid */
.landing-view .steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1180px;
    margin: 0 auto;
}
.landing-view .step {
    background: var(--bg-panel);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    padding: 24px 22px;
    position: relative;
}
.landing-view .step .idx {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--accent);
    margin-bottom: 16px;
    display: block;
}
.landing-view .step h3 {
    font-size: 16.5px;
    margin-bottom: 9px;
    color: #fff !important;
}
.landing-view .step p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.55;
}
.landing-view .step-connector {
    position: absolute;
    top: 24px;
    right: -24px;
    width: 24px;
    height: 1px;
    background: var(--border-color);
}

/* Labs cards catalog */
.landing-view .lab-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    max-width: 1180px;
    margin: 0 auto;
}
.landing-view .lab-card {
    background: var(--bg-panel);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    padding: 26px;
    transition: border-color .18s ease, transform .18s ease;
}
.landing-view .lab-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
}
.landing-view .lab-card .tag {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 4px 9px;
    border-radius: 5px;
    margin-bottom: 16px;
}
.landing-view .tag.crit {
    color: var(--remove);
    background: var(--remove-bg);
    border: 1px solid rgba(255,107,107,0.3);
}
.landing-view .tag.warn {
    color: var(--comment);
    background: rgba(245,184,65,0.09);
    border: 1px solid rgba(245,184,65,0.3);
}
.landing-view .tag.info {
    color: var(--accent);
    background: var(--accent-soft);
    border: 1px solid rgba(76,141,255,0.3);
}
.landing-view .tag.low {
    color: var(--text-muted);
    background: var(--bg-panel-2);
    border: 1px solid var(--border-color);
}
.landing-view .lab-card h3 {
    font-size: 17.5px;
    margin-bottom: 8px;
    color: #fff !important;
}
.landing-view .lab-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 18px;
}
.landing-view .lab-card .meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--line-soft);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-muted);
}

.landing-view .cta-band {
    background: linear-gradient(135deg, var(--bg-panel-2), var(--bg-panel));
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    max-width: 1180px;
    margin: 0 auto;
}
.landing-view .cta-band h2 {
    font-size: 26px;
    margin-bottom: 10px;
    color: #fff !important;
}
.landing-view .cta-band p {
    color: var(--text-secondary);
    font-size: 15px;
    max-width: 420px;
}
.landing-view .cta-band .actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.landing-view footer {
    border-top: 1px solid var(--line-soft);
    padding: 40px 32px 32px;
    position: relative;
    z-index: 1;
}
.landing-view footer .wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    max-width: 1180px;
    margin: 0 auto;
}
.landing-view footer .logo {
    font-size: 15px;
}
.landing-view footer .fine {
    font-size: 13px;
    color: var(--text-muted);
}
.landing-view footer .foot-links {
    display: flex;
    gap: 22px;
}
.landing-view footer .foot-links a {
    font-size: 13.5px;
    color: var(--text-secondary);
}
.landing-view footer .foot-links a:hover {
    color: var(--text-main);
}
.landing-view .reveal {
    opacity: 1;
}

/* Responsive adjustments */
@media (max-width: 860px) {
    .landing-view .nav-links { display: none; }
    .landing-view .hero { grid-template-columns: 1fr; padding-top: 64px; }
    .landing-view .stat-strip .wrap { grid-template-columns: repeat(2,1fr); row-gap: 20px; }
    .landing-view .stat:nth-child(odd) { border-right: 1px solid var(--line-soft); }
    .landing-view .stat:nth-child(2) { border-right: none; }
    .landing-view .steps { grid-template-columns: 1fr; }
    .landing-view .step-connector { display: none; }
    .landing-view .lab-grid { grid-template-columns: 1fr; }
    .landing-view .cta-band { flex-direction: column; align-items: flex-start; padding: 36px; }
    .landing-view .diff-line { font-size: 11.5px; }
    .landing-view .review-comment { margin-left: 18px; }
}

/* Slowly sliding infinite card-based marquee styles */
.lab-marquee-container {
    overflow: hidden;
    width: 100%;
    margin-top: 2.5rem;
    margin-bottom: 2rem;
    position: relative;
    background: transparent;
    border: none;
    padding: 1rem 0;
}
.lab-marquee-track {
    display: flex;
    gap: 1.5rem;
    width: max-content;
    animation: marquee-scroll 40s linear infinite;
}
.lab-marquee-track:hover {
    animation-play-state: paused;
}
.lab-marquee-track .lab-card {
    flex-shrink: 0;
    width: 330px;
    background: var(--bg-panel);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    transition: border-color 0.2s ease, transform 0.2s ease;
}
.lab-marquee-track .lab-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}
@keyframes marquee-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes slideOutLeft {
    from { transform: translateX(0); opacity: 1; filter: blur(0); }
    to { transform: translateX(-40px); opacity: 0; filter: blur(4px); }
}
@keyframes slideInRight {
    from { transform: translateX(40px); opacity: 0; filter: blur(4px); }
    to { transform: translateX(0); opacity: 1; filter: blur(0); }
}
@keyframes slideOutRight {
    from { transform: translateX(0); opacity: 1; filter: blur(0); }
    to { transform: translateX(40px); opacity: 0; filter: blur(4px); }
}
@keyframes slideInLeft {
    from { transform: translateX(-40px); opacity: 0; filter: blur(4px); }
    to { transform: translateX(0); opacity: 1; filter: blur(0); }
}

.slide-out-left {
    animation: slideOutLeft 0.22s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
.slide-in-right {
    animation: slideInRight 0.22s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
.slide-out-right {
    animation: slideOutRight 0.22s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
.slide-in-left {
    animation: slideInLeft 0.22s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Chevron Arrow Toggle Rotation */
details .chevron-toggle {
    transform: rotate(0deg);
}
details[open] .chevron-toggle {
    transform: rotate(180deg);
}

/* Native Select Options Dark Mode */
select option {
    background-color: #0f1b30 !important;
    color: #e8edf7 !important;
}