/* ==========================================================================
   NEON GEMINI ACADEMY - CYBERPUNK STYLESHEET
   ========================================================================== */

:root {
    --bg-dark: #07070d;
    --bg-card: rgba(15, 17, 28, 0.75);
    --bg-card-hover: rgba(25, 29, 48, 0.85);
    
    /* Neon Colors */
    --neon-cyan: #00f3ff;
    --neon-pink: #ff007f;
    --neon-purple: #9d00ff;
    --neon-green: #00ff66;
    --neon-yellow: #ffe600;
    --neon-orange: #ff6600;
    
    /* Glows */
    --glow-cyan: 0 0 15px rgba(0, 243, 255, 0.5), 0 0 30px rgba(0, 243, 255, 0.2);
    --glow-pink: 0 0 15px rgba(255, 0, 127, 0.5), 0 0 30px rgba(255, 0, 127, 0.2);
    --glow-purple: 0 0 15px rgba(157, 0, 255, 0.5), 0 0 30px rgba(157, 0, 255, 0.2);
    --glow-green: 0 0 15px rgba(0, 255, 102, 0.5);
    --glow-gold: 0 0 20px rgba(255, 230, 0, 0.6);

    /* Text */
    --text-main: #f0f4f8;
    --text-muted: #8899ac;
    --text-dim: #5c6b7e;
    
    /* Fonts */
    --font-heading: 'Orbitron', sans-serif;
    --font-sub: 'Rajdhani', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-code: 'Fira Code', monospace;
    
    --border-radius: 12px;
    --transition-fast: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body.neon-theme {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
}

/* Cyber Canvas Background */
#cyber-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    opacity: 0.85;
}

/* Header */
.cyber-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: rgba(10, 12, 22, 0.85);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(0, 243, 255, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.neon-diamond {
    width: 20px;
    height: 20px;
    background: var(--neon-cyan);
    transform: rotate(45deg);
    box-shadow: var(--glow-cyan);
    animation: pulseGlow 2s infinite ease-in-out;
}

@keyframes pulseGlow {
    0%, 100% { transform: rotate(45deg) scale(1); box-shadow: var(--glow-cyan); }
    50% { transform: rotate(45deg) scale(1.15); box-shadow: var(--glow-pink); background: var(--neon-pink); }
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.neon-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 3px;
    color: var(--neon-cyan);
    text-shadow: 0 0 10px rgba(0, 243, 255, 0.7);
}

.neon-subtitle {
    font-family: var(--font-sub);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--neon-pink);
}

/* Header Nav */
.main-nav {
    display: flex;
    gap: 8px;
    background: rgba(0, 0, 0, 0.4);
    padding: 6px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 8px 18px;
    border-radius: 20px;
    font-family: var(--font-sub);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn:hover {
    color: var(--neon-cyan);
    background: rgba(0, 243, 255, 0.1);
}

.nav-btn.active {
    color: #fff;
    background: linear-gradient(135deg, rgba(0, 243, 255, 0.3), rgba(157, 0, 255, 0.3));
    border: 1px solid var(--neon-cyan);
    box-shadow: var(--glow-cyan);
}

/* User Stats & Audio */
.user-stats {
    display: flex;
    align-items: center;
    gap: 15px;
}

.xp-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 230, 0, 0.1);
    border: 1px solid var(--neon-yellow);
    padding: 6px 14px;
    border-radius: 20px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--neon-yellow);
    box-shadow: 0 0 10px rgba(255, 230, 0, 0.2);
}

.audio-toggle {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.audio-toggle:hover {
    color: var(--neon-cyan);
    border-color: var(--neon-cyan);
    box-shadow: var(--glow-cyan);
}

.audio-toggle.muted {
    color: var(--neon-pink);
    border-color: var(--neon-pink);
}

/* Main Container Layout */
.cyber-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 25px;
    padding: 25px;
    max-width: 1600px;
    margin: 0 auto;
    min-height: calc(100vh - 80px);
}

/* Glass Panels */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 243, 255, 0.15);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    transition: var(--transition-fast);
}

.glass-panel:hover {
    border-color: rgba(0, 243, 255, 0.3);
}

.glass-panel-gold {
    background: rgba(20, 18, 10, 0.85);
    backdrop-filter: blur(16px);
    border: 2px solid var(--neon-yellow);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--glow-gold), inset 0 0 30px rgba(255, 230, 0, 0.05);
}

/* Sidebar Modules */
.sidebar-modules {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-header {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 0, 127, 0.2);
    border-radius: var(--border-radius);
    padding: 18px;
}

.sidebar-header h3 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: var(--neon-pink);
    letter-spacing: 1.5px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink));
    box-shadow: var(--glow-cyan);
    transition: width 0.5s ease-in-out;
}

.modules-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.module-item {
    background: rgba(15, 17, 28, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    padding: 14px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.module-item:hover {
    background: rgba(0, 243, 255, 0.08);
    border-color: rgba(0, 243, 255, 0.4);
    transform: translateX(4px);
}

.module-item.active {
    background: linear-gradient(90deg, rgba(0, 243, 255, 0.15), rgba(157, 0, 255, 0.15));
    border: 1px solid var(--neon-cyan);
    box-shadow: 0 0 12px rgba(0, 243, 255, 0.2);
}

.module-item.completed .mod-title {
    color: var(--neon-green);
}

.mod-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mod-num {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    color: var(--neon-pink);
    letter-spacing: 1px;
}

.mod-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
}

.mod-status-icon {
    font-size: 1.1rem;
    color: var(--text-dim);
}

.module-item.completed .mod-status-icon {
    color: var(--neon-green);
}

/* Content Area */
.content-area {
    position: relative;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Module Header & View */
.module-view-header {
    margin-bottom: 20px;
}

.module-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(157, 0, 255, 0.2);
    border: 1px solid var(--neon-purple);
    border-radius: 12px;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    color: var(--neon-purple);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.neon-heading {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}

.neon-heading-cyan {
    font-family: var(--font-heading);
    color: var(--neon-cyan);
    text-shadow: var(--glow-cyan);
}

.neon-heading-magenta {
    font-family: var(--font-heading);
    color: var(--neon-pink);
    text-shadow: var(--glow-pink);
}

.neon-heading-green {
    font-family: var(--font-heading);
    color: var(--neon-green);
    text-shadow: var(--glow-green);
}

.neon-heading-gold {
    font-family: var(--font-heading);
    color: var(--neon-yellow);
    text-shadow: var(--glow-gold);
}

/* Course Lesson Content Styling */
.lesson-card {
    display: flex;
    flex-direction: column;
    gap: 20px;
    font-size: 1.05rem;
    color: #d1dbe5;
}

.lesson-card h2 {
    font-family: var(--font-sub);
    font-size: 1.6rem;
    color: var(--neon-cyan);
    border-bottom: 1px solid rgba(0, 243, 255, 0.2);
    padding-bottom: 8px;
    margin-top: 15px;
}

.lesson-card h3 {
    font-family: var(--font-sub);
    font-size: 1.3rem;
    color: var(--neon-pink);
    margin-top: 10px;
}

.cyber-callout {
    background: rgba(0, 243, 255, 0.05);
    border-left: 4px solid var(--neon-cyan);
    padding: 16px;
    border-radius: 0 8px 8px 0;
    margin: 15px 0;
}

.cyber-callout.warning {
    background: rgba(255, 0, 127, 0.05);
    border-left-color: var(--neon-pink);
}

.cyber-callout.tip {
    background: rgba(0, 255, 102, 0.05);
    border-left-color: var(--neon-green);
}

.cyber-table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    overflow: hidden;
}

.cyber-table th, .cyber-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.cyber-table th {
    background: rgba(0, 243, 255, 0.1);
    font-family: var(--font-sub);
    color: var(--neon-cyan);
    font-weight: 700;
}

/* Buttons */
.cyber-btn {
    background: linear-gradient(135deg, rgba(0, 243, 255, 0.2), rgba(157, 0, 255, 0.2));
    border: 1px solid var(--neon-cyan);
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    font-family: var(--font-sub);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cyber-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, rgba(0, 243, 255, 0.4), rgba(157, 0, 255, 0.4));
    box-shadow: var(--glow-cyan);
    transform: translateY(-2px);
}

.cyber-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    border-color: rgba(255, 255, 255, 0.2);
}

.cyber-btn.secondary {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-muted);
}

.cyber-btn.secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-color: #fff;
}

.cyber-btn.success {
    background: rgba(0, 255, 102, 0.15);
    border-color: var(--neon-green);
    color: var(--neon-green);
}

.cyber-btn.success:hover:not(:disabled) {
    background: rgba(0, 255, 102, 0.3);
    box-shadow: var(--glow-green);
}

.cyber-btn.danger {
    background: rgba(255, 0, 127, 0.15);
    border-color: var(--neon-pink);
    color: var(--neon-pink);
}

.cyber-btn.small {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.cyber-btn.block {
    width: 100%;
}

.lesson-controls {
    display: flex;
    justify-content: space-between;
    margin-top: 25px;
}

/* Prompt Simulator / Lab Tab */
.section-title-box {
    margin-bottom: 25px;
}

.section-title-box p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.section-title-box.center {
    text-align: center;
}

.lab-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 20px;
}

.lab-controls {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.lab-controls h3 {
    font-family: var(--font-sub);
    color: var(--neon-cyan);
    font-size: 1.2rem;
    border-bottom: 1px solid rgba(0, 243, 255, 0.2);
    padding-bottom: 6px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-group label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-main);
}

.range-hint {
    font-size: 0.75rem;
    color: var(--text-dim);
}

/* Inputs & Form Elements */
.cyber-input, .cyber-textarea, .cyber-select {
    width: 100%;
    background: rgba(5, 7, 15, 0.8);
    border: 1px solid rgba(0, 243, 255, 0.2);
    border-radius: 8px;
    padding: 10px 14px;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    outline: none;
}

.cyber-input:focus, .cyber-textarea:focus, .cyber-select:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

.cyber-range {
    accent-color: var(--neon-cyan);
    cursor: pointer;
}

.preset-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.chip-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.chip-btn:hover {
    background: rgba(0, 243, 255, 0.15);
    border-color: var(--neon-cyan);
    color: #fff;
}

/* Chat window */
.lab-chat {
    display: flex;
    flex-direction: column;
    height: 600px;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 15px;
}

.live-status {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    color: var(--neon-green);
    display: flex;
    align-items: center;
    gap: 6px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--neon-green);
    border-radius: 50%;
    box-shadow: var(--glow-green);
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding-right: 10px;
}

.chat-msg {
    display: flex;
    gap: 12px;
    max-width: 85%;
}

.msg-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ai-msg .msg-avatar {
    background: rgba(0, 243, 255, 0.2);
    color: var(--neon-cyan);
    border: 1px solid var(--neon-cyan);
}

.user-msg {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.user-msg .msg-avatar {
    background: rgba(255, 0, 127, 0.2);
    color: var(--neon-pink);
    border: 1px solid var(--neon-pink);
}

.msg-content {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.user-msg .msg-content {
    background: rgba(157, 0, 255, 0.15);
    border-color: rgba(157, 0, 255, 0.4);
}

.chat-input-box {
    display: flex;
    gap: 12px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Prompt Builder Grid */
.builder-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.builder-inputs {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.builder-field label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-sub);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 6px;
}

.builder-preview {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

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

.preview-header h3 {
    font-family: var(--font-sub);
    color: var(--neon-pink);
}

.prompt-code-output {
    background: rgba(5, 7, 15, 0.9);
    border: 1px solid rgba(255, 0, 127, 0.3);
    border-radius: 8px;
    padding: 16px;
    font-family: var(--font-code);
    font-size: 0.9rem;
    color: #a6e22e;
    flex: 1;
    white-space: pre-wrap;
    overflow-y: auto;
    min-height: 350px;
}

/* API Playground */
.playground-layout {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.lang-selector-bar {
    display: flex;
    gap: 10px;
}

.lang-tab {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    padding: 10px 20px;
    border-radius: 8px;
    font-family: var(--font-sub);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.lang-tab:hover {
    color: #fff;
    background: rgba(0, 243, 255, 0.1);
}

.lang-tab.active {
    background: rgba(0, 255, 102, 0.15);
    border-color: var(--neon-green);
    color: var(--neon-green);
    box-shadow: var(--glow-green);
}

.code-examples-grid {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 20px;
    padding: 0;
    overflow: hidden;
}

.example-sidebar {
    background: rgba(0, 0, 0, 0.3);
    padding: 20px;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.example-sidebar h4 {
    font-family: var(--font-sub);
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.scenario-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-muted);
    padding: 10px 12px;
    border-radius: 6px;
    text-align: left;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.scenario-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.scenario-btn.active {
    background: rgba(0, 243, 255, 0.15);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
}

.code-display-box {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-code);
    font-size: 0.85rem;
    color: var(--text-muted);
}

pre code {
    display: block;
    background: rgba(5, 7, 15, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 16px;
    font-family: var(--font-code);
    font-size: 0.88rem;
    color: #66d9ef;
    overflow-x: auto;
    line-height: 1.5;
}

.simulated-run-panel {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 255, 102, 0.2);
    border-radius: 8px;
    padding: 14px;
}

.run-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-sub);
    font-size: 0.9rem;
    color: var(--text-main);
    margin-bottom: 10px;
}

.console-output {
    background: #000;
    padding: 12px;
    border-radius: 6px;
    font-family: var(--font-code);
    font-size: 0.85rem;
    color: var(--neon-green);
    min-height: 80px;
    white-space: pre-wrap;
}

.console-idle {
    color: var(--text-dim);
}

/* Certificate */
.certificate-container {
    position: relative;
    max-width: 900px;
    margin: 30px auto;
}

.certificate-lock-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(7, 7, 13, 0.92);
    backdrop-filter: blur(12px);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
}

.lock-card {
    text-align: center;
    max-width: 450px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.lock-icon {
    font-size: 3.5rem;
    color: var(--neon-pink);
    text-shadow: var(--glow-pink);
}

.cert-progress-text {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--neon-cyan);
}

.cert-border-glow {
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: linear-gradient(45deg, var(--neon-yellow), var(--neon-pink), var(--neon-cyan));
    border-radius: inherit;
    z-index: -1;
    opacity: 0.5;
    filter: blur(10px);
}

.cert-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 230, 0, 0.2);
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.cert-badge-icon {
    font-size: 2.5rem;
    color: var(--neon-yellow);
}

.cert-org {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    letter-spacing: 3px;
    color: var(--neon-yellow);
}

.cert-id {
    font-family: var(--font-code);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.cert-body {
    text-align: center;
    margin: 40px 0;
}

.cert-subtitle {
    font-family: var(--font-sub);
    letter-spacing: 4px;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.cert-user-name {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    color: #fff;
    text-shadow: var(--glow-gold);
    margin-bottom: 20px;
    border-bottom: 2px dashed rgba(255, 230, 0, 0.4);
    display: inline-block;
    padding: 0 20px 5px 20px;
    outline: none;
}

.cert-desc {
    font-size: 1.1rem;
    color: var(--text-main);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.8;
}

.cert-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 230, 0, 0.2);
}

.cert-sign {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-family: var(--font-sub);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.sign-line {
    width: 150px;
    height: 1px;
    background: var(--text-muted);
}

.cert-stamp {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--neon-green);
    font-family: var(--font-heading);
    font-size: 0.75rem;
}

.cert-stamp i {
    font-size: 2rem;
}

.cert-date {
    font-family: var(--font-code);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.cert-actions {
    margin-top: 25px;
    display: flex;
    justify-content: center;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal-card {
    width: 100%;
    max-width: 650px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(0, 243, 255, 0.2);
    padding-bottom: 12px;
    margin-bottom: 20px;
}

.close-modal-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    cursor: pointer;
}

.close-modal-btn:hover {
    color: var(--neon-pink);
}

.quiz-question-box {
    margin-bottom: 25px;
}

.quiz-q-title {
    font-size: 1.15rem;
    color: #fff;
    margin-bottom: 15px;
    font-weight: 600;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.quiz-opt-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-main);
    text-align: left;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.quiz-opt-btn:hover {
    background: rgba(0, 243, 255, 0.1);
    border-color: var(--neon-cyan);
}

.quiz-opt-btn.correct {
    background: rgba(0, 255, 102, 0.2) !important;
    border-color: var(--neon-green) !important;
    color: var(--neon-green) !important;
}

.quiz-opt-btn.incorrect {
    background: rgba(255, 0, 127, 0.2) !important;
    border-color: var(--neon-pink) !important;
    color: var(--neon-pink) !important;
}

/* Icons colors */
.neon-icon-cyan { color: var(--neon-cyan); }
.neon-icon-pink { color: var(--neon-pink); }
.neon-icon-yellow { color: var(--neon-yellow); }
.neon-icon-green { color: var(--neon-green); }
.neon-icon-red { color: var(--neon-pink); }

/* Utilities */
.margin-top { margin-top: 20px; }
.center { text-align: center; }

/* Responsive adjustments */
@media (max-width: 1024px) {
    .cyber-container {
        grid-template-columns: 1fr;
    }
    
    .lab-layout, .builder-grid, .code-examples-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .cyber-header {
        flex-direction: column;
        gap: 15px;
    }
    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Print Certificate Styles */
@media print {
    body {
        background: #000 !important;
        color: #fff !important;
    }
    .cyber-header, .sidebar-modules, .section-title-box, .cert-actions, #cyber-canvas {
        display: none !important;
    }
    .cyber-container {
        display: block !important;
        padding: 0 !important;
    }
    .certificate-card {
        border: 4px solid #ffaa00 !important;
        background: #0d0d15 !important;
        box-shadow: none !important;
        page-break-inside: avoid;
    }
}