/* ===== CYBERPUNK NEURAL TYPER - MAIN STYLES ===== */

:root {
    --cyber-primary: #00ff9f;
    --cyber-secondary: #00d4ff;
    --cyber-accent: #ff006e;
    --cyber-warning: #ffbe0b;
    --cyber-bg: #0a0e27;
    --cyber-surface: #1a1f3a;
    --cyber-border: #2a3f5f;
    --text-primary: #e0e7ff;
    --text-secondary: #94a3b8;
    --glow-primary: rgba(0, 255, 159, 0.5);
    --glow-secondary: rgba(0, 212, 255, 0.5);
}

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

body {
    font-family: 'Courier New', 'Consolas', monospace;
    background: var(--cyber-bg);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===== ANIMATED BACKGROUND ===== */
.cyber-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #0a0e27 100%);
}

#neuralCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.3;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--cyber-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--cyber-border) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.1;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyber-primary), transparent);
    animation: scan 4s linear infinite;
    box-shadow: 0 0 20px var(--glow-primary);
}

@keyframes scan {
    0% { transform: translateY(0); }
    100% { transform: translateY(100vh); }
}

/* ===== GLITCH EFFECT ===== */
.glitch {
    position: relative;
    display: inline-block;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--cyber-accent);
    clip: rect(24px, 550px, 90px, 0);
    animation: glitch-anim 3s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--cyber-secondary);
    clip: rect(85px, 550px, 140px, 0);
    animation: glitch-anim 2s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(0, 9999px, 20px, 0); }
    10% { clip: rect(10px, 9999px, 40px, 0); }
    20% { clip: rect(5px, 9999px, 25px, 0); }
    30% { clip: rect(15px, 9999px, 35px, 0); }
    40% { clip: rect(8px, 9999px, 28px, 0); }
    50% { clip: rect(20px, 9999px, 50px, 0); }
    60% { clip: rect(12px, 9999px, 32px, 0); }
    70% { clip: rect(18px, 9999px, 38px, 0); }
    80% { clip: rect(6px, 9999px, 26px, 0); }
    90% { clip: rect(22px, 9999px, 42px, 0); }
    100% { clip: rect(0, 9999px, 20px, 0); }
}

/* ===== HEADER ===== */
.cyber-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--cyber-primary);
    box-shadow: 0 0 20px var(--glow-primary);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-icon {
    width: 50px;
    height: 50px;
}

.neural-icon {
    width: 100%;
    height: 100%;
    animation: rotate 10s linear infinite;
}

.pulse-ring {
    fill: none;
    stroke: var(--cyber-primary);
    stroke-width: 2;
    animation: pulse 2s ease-in-out infinite;
}

.core {
    fill: var(--cyber-primary);
    filter: drop-shadow(0 0 10px var(--glow-primary));
}

.cross {
    stroke: var(--cyber-bg);
    stroke-width: 3;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.1); }
}

.logo-text {
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 2px;
}

.accent {
    color: var(--cyber-primary);
    text-shadow: 0 0 10px var(--glow-primary);
}

.controls {
    display: flex;
    gap: 1rem;
}

.cyber-btn {
    background: var(--cyber-surface);
    border: 2px solid var(--cyber-border);
    color: var(--text-primary);
    padding: 0.5rem 1.5rem;
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.cyber-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--cyber-primary), transparent);
    transition: left 0.5s;
}

.cyber-btn:hover::before {
    left: 100%;
}

.cyber-btn:hover {
    border-color: var(--cyber-primary);
    box-shadow: 0 0 20px var(--glow-primary);
    transform: translateY(-2px);
}

.cyber-btn.active {
    background: var(--cyber-primary);
    color: var(--cyber-bg);
    border-color: var(--cyber-primary);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    padding-top: 90px;
    height: calc(100vh - 90px);
    overflow: hidden;
}

#homeScreen {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding-bottom: 1rem;
}

.screen {
    display: none;
    animation: fadeIn 0.5s ease;
}

.screen.active {
    display: block;
}

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

/* ===== HERO SECTION ===== */
.hero-section {
    text-align: center;
    padding: 1rem 2rem 0.5rem;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

/* ===== MODE GRID ===== */
.mode-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

.mode-card {
    position: relative;
    background: var(--cyber-surface);
    border: 2px solid var(--cyber-border);
    padding: 1.5rem 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
}

.mode-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--cyber-primary), var(--cyber-secondary));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s;
    clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
}

.mode-card:hover::before {
    opacity: 1;
}

.mode-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px var(--glow-primary);
}

.card-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--glow-primary) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
    transform: translate(-50%, -50%);
}

.mode-card:hover .card-glow {
    opacity: 0.3;
}

.card-content {
    position: relative;
    z-index: 1;
}

.icon-wrapper {
    margin-bottom: 0.8rem;
}

.hex-icon {
    font-size: 2.5rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.mode-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    color: var(--cyber-primary);
}

.mode-card p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
}

.card-stats {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.stat {
    font-size: 0.8rem;
    color: var(--cyber-secondary);
}

.premium-badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--cyber-accent);
    color: white;
    padding: 0.2rem 0.5rem;
    font-size: 0.7rem;
    font-weight: bold;
    clip-path: polygon(3px 0, 100% 0, 100% calc(100% - 3px), calc(100% - 3px) 100%, 0 100%, 0 3px);
    animation: pulse 2s ease-in-out infinite;
}

/* ===== STATS PANEL ===== */
.stats-panel {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    background: rgba(26, 31, 58, 0.5);
    border: 2px solid var(--cyber-border);
    backdrop-filter: blur(10px);
    clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
}

.panel-title {
    text-align: center;
    font-size: 1rem;
    margin-bottom: 0.8rem;
    color: var(--cyber-primary);
    letter-spacing: 2px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.stat-item {
    text-align: center;
    padding: 0.8rem;
    background: var(--cyber-surface);
    border: 1px solid var(--cyber-border);
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--cyber-primary);
    text-shadow: 0 0 10px var(--glow-primary);
}

.stat-unit {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

/* ===== PRACTICE SCREEN ===== */
#practiceScreen {
    height: calc(100vh - 90px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.practice-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.practice-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.session-info {
    text-align: center;
}

.session-id {
    font-size: 1.2rem;
    color: var(--cyber-secondary);
    letter-spacing: 2px;
}

/* ===== LIVE STATS ===== */
.live-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

.stat-box {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: var(--cyber-surface);
    border: 2px solid var(--cyber-border);
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
    transition: all 0.3s ease;
}

.stat-box:hover {
    border-color: var(--cyber-primary);
    box-shadow: 0 0 20px var(--glow-primary);
}

.stat-icon {
    font-size: 1.5rem;
}

.stat-info {
    flex: 1;
}

.stat-box .stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-bottom: 0.2rem;
}

.stat-box .stat-value {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--cyber-primary);
}

/* ===== PROGRESS BAR ===== */
.progress-container {
    margin-bottom: 1rem;
}

.progress-bar {
    position: relative;
    height: 20px;
    background: var(--cyber-surface);
    border: 2px solid var(--cyber-border);
    overflow: hidden;
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--cyber-primary), var(--cyber-secondary));
    transition: width 0.3s ease;
    width: 0%;
}

.progress-glow {
    position: absolute;
    top: 0;
    right: 0;
    width: 50px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3));
    animation: progressGlow 2s linear infinite;
}

@keyframes progressGlow {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ===== TEXT DISPLAY ===== */
.text-display {
    background: rgba(10, 14, 39, 0.8);
    border: 2px solid var(--cyber-primary);
    padding: 2rem;
    margin-bottom: 1rem;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    box-shadow: 0 0 30px var(--glow-primary);
    clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
    overflow: hidden;
}

.text-content {
    font-size: 1.8rem;
    line-height: 1.6;
    letter-spacing: 1px;
    text-align: left;
    width: 100%;
}

.char-typed {
    color: var(--cyber-primary);
    text-shadow: 0 0 5px var(--glow-primary);
}

.char-current {
    background: var(--cyber-primary);
    color: var(--cyber-bg);
    padding: 0 5px;
    animation: charBlink 1s infinite;
    box-shadow: 0 0 15px var(--glow-primary);
}

@keyframes charBlink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.5; }
}

.char-future {
    color: var(--text-secondary);
    opacity: 0.6;
}

/* ===== KEYBOARD ===== */
.keyboard-container {
    background: var(--cyber-surface);
    border: 2px solid var(--cyber-border);
    padding: 1rem;
    clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
}

.keyboard {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    max-width: 900px;
    margin: 0 auto;
}

.keyboard-row {
    display: flex;
    gap: 0.4rem;
    justify-content: center;
}

.key {
    min-width: 45px;
    height: 45px;
    background: var(--cyber-bg);
    border: 2px solid var(--cyber-border);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px);
}

.key:hover {
    background: var(--cyber-surface);
    border-color: var(--cyber-primary);
    transform: translateY(-2px);
}

.key.active {
    background: var(--cyber-primary);
    color: var(--cyber-bg);
    box-shadow: 0 0 20px var(--glow-primary);
    transform: scale(0.95);
}

.key.highlight {
    background: var(--cyber-warning);
    color: var(--cyber-bg);
    box-shadow: 0 0 20px rgba(255, 190, 11, 0.5);
    animation: keyPulse 1s infinite;
}

@keyframes keyPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.key.space {
    min-width: 250px;
}

/* ===== LESSONS SCREEN ===== */
.lessons-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.screen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.screen-title {
    font-size: 2rem;
    color: var(--cyber-primary);
    letter-spacing: 3px;
}

.spacer {
    width: 100px;
}

.lessons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.lesson-card {
    background: var(--cyber-surface);
    border: 2px solid var(--cyber-border);
    padding: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
    position: relative;
}

.lesson-card:hover {
    border-color: var(--cyber-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--glow-primary);
}

.lesson-card.completed {
    border-color: var(--cyber-primary);
    background: rgba(0, 255, 159, 0.1);
}

.lesson-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 30px;
    height: 30px;
    background: var(--cyber-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.lesson-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--cyber-primary);
}

.lesson-desc {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.lesson-stats {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ===== NOTIFICATIONS ===== */
.notifications {
    position: fixed;
    top: 100px;
    right: 2rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.notification {
    background: var(--cyber-surface);
    border: 2px solid var(--cyber-primary);
    padding: 1rem 1.5rem;
    min-width: 300px;
    box-shadow: 0 0 20px var(--glow-primary);
    animation: slideInRight 0.5s ease;
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

@keyframes slideInRight {
    from { transform: translateX(400px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.notification.success {
    border-color: var(--cyber-primary);
}

.notification.error {
    border-color: var(--cyber-accent);
}

.notification.warning {
    border-color: var(--cyber-warning);
}

/* ===== MODAL ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--cyber-surface);
    border: 3px solid var(--cyber-primary);
    padding: 3rem;
    max-width: 600px;
    width: 90%;
    box-shadow: 0 0 50px var(--glow-primary);
    animation: modalZoom 0.5s ease;
    clip-path: polygon(30px 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%, 0 30px);
}

@keyframes modalZoom {
    from { transform: scale(0.5); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--cyber-border);
}

.modal-header h3 {
    font-size: 2rem;
    color: var(--cyber-primary);
    letter-spacing: 2px;
}

.modal-status {
    color: var(--cyber-primary);
    font-size: 1.2rem;
    font-weight: bold;
}

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

.result-item {
    background: var(--cyber-bg);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--cyber-border);
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.result-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.result-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--cyber-primary);
    text-shadow: 0 0 10px var(--glow-primary);
}

.modal-actions {
    display: flex;
    gap: 1rem;
}

.cyber-btn.primary {
    background: var(--cyber-primary);
    color: var(--cyber-bg);
    flex: 1;
}

.cyber-btn.secondary {
    flex: 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .mode-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .mode-grid {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }
    
    .stats-panel {
        padding: 0.8rem;
    }
    
    .text-content {
        font-size: 1.5rem;
    }
    
    .key {
        min-width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
}