/* ===== FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@300;400;500;600;700&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
    /* Colors - Cyberpunk Neon */
    --bg-primary: #0a0e27;
    --bg-secondary: #0f1429;
    --bg-card: #1a1f3a;
    --bg-elevated: #252b4a;
    
    --neon-cyan: #00f0ff;
    --neon-magenta: #ff00ff;
    --neon-yellow: #ffff00;
    --neon-green: #00ff41;
    --neon-red: #ff0040;
    --neon-blue: #0040ff;
    
    --text-primary: #e0e6ff;
    --text-secondary: #8b92c0;
    --text-muted: #5a5f80;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-magenta) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-cyan) 100%);
    --gradient-danger: linear-gradient(135deg, var(--neon-red) 0%, var(--neon-magenta) 100%);
    
    /* Effects */
    --glow-cyan: 0 0 10px var(--neon-cyan), 0 0 20px var(--neon-cyan), 0 0 30px var(--neon-cyan);
    --glow-magenta: 0 0 10px var(--neon-magenta), 0 0 20px var(--neon-magenta);
    --glow-red: 0 0 10px var(--neon-red), 0 0 20px var(--neon-red);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
}

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

body {
    font-family: 'Rajdhani', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===== CYBERPUNK BACKGROUND ===== */
.cyberpunk-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

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

.neon-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 0, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(0, 255, 65, 0.05) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite alternate;
}

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

/* ===== CONTAINER ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

/* ===== GLITCH EFFECT ===== */
.glitch-wrapper {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.glitch {
    font-family: 'Orbitron', monospace;
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    text-transform: uppercase;
    position: relative;
    color: var(--neon-cyan);
    text-shadow: var(--glow-cyan);
    letter-spacing: 0.1em;
    animation: glitchText 5s infinite;
}

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

.glitch::before {
    animation: glitchTop 3s infinite;
    clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%);
    color: var(--neon-magenta);
    text-shadow: var(--glow-magenta);
}

.glitch::after {
    animation: glitchBottom 2.5s infinite;
    clip-path: polygon(0 67%, 100% 67%, 100% 100%, 0 100%);
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
}

@keyframes glitchText {
    0%, 90%, 100% { transform: translate(0); }
    92% { transform: translate(-2px, 2px); }
    94% { transform: translate(2px, -2px); }
    96% { transform: translate(-2px, -2px); }
}

@keyframes glitchTop {
    0%, 80%, 100% { transform: translate(0); }
    85% { transform: translate(-3px, 0); }
    90% { transform: translate(3px, 0); }
}

@keyframes glitchBottom {
    0%, 70%, 100% { transform: translate(0); }
    75% { transform: translate(3px, 0); }
    80% { transform: translate(-3px, 0); }
}

/* ===== TAGLINE ===== */
.tagline {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    font-weight: 500;
    letter-spacing: 0.05em;
}

/* ===== CARDS ===== */
.card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: rgba(0, 240, 255, 0.5);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.2);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover .card-glow {
    opacity: 1;
    animation: rotate 8s linear infinite;
}

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

.main-card {
    max-width: 500px;
    margin: 0 auto var(--spacing-2xl);
}

/* ===== INPUT GROUPS ===== */
.input-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.input-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--neon-cyan);
}

.label-required {
    color: var(--neon-red);
    margin-left: 0.25rem;
}

.input-group input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.input-group input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.input-underline {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.input-group input:focus ~ .input-underline {
    width: 100%;
}

/* ===== BUTTONS ===== */
.btn {
    position: relative;
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    transition: all 0.3s ease;
}

.btn-text {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.btn-primary {
    color: var(--bg-primary);
    width: 100%;
}

.btn-primary .btn-bg {
    background: var(--gradient-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.4);
}

.btn-secondary {
    color: var(--text-primary);
    border: 2px solid var(--neon-cyan);
    width: 100%;
}

.btn-secondary .btn-bg {
    background: transparent;
}

.btn-secondary:hover {
    background: rgba(0, 240, 255, 0.1);
    box-shadow: var(--glow-cyan);
}

.btn-danger {
    color: var(--text-primary);
    border: 2px solid var(--neon-red);
}

.btn-danger .btn-bg {
    background: transparent;
}

.btn-danger:hover {
    background: rgba(255, 0, 64, 0.1);
    box-shadow: var(--glow-red);
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
}

/* ===== DIVIDER ===== */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: var(--spacing-lg) 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid rgba(0, 240, 255, 0.2);
}

.divider span {
    padding: 0 var(--spacing-md);
}

/* ===== INFO CARDS ===== */
.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.info-card {
    background: var(--bg-secondary);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.info-card:hover {
    border-color: rgba(0, 240, 255, 0.3);
    transform: translateY(-5px);
}

.info-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.5));
}

.info-card h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--neon-cyan);
}

.info-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== FOOTER ===== */
.footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer p {
    margin-bottom: var(--spacing-sm);
}

.warning {
    color: var(--neon-yellow);
    font-weight: 600;
}

/* ===== TOAST NOTIFICATIONS ===== */
.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    background: var(--bg-elevated);
    border: 1px solid var(--neon-cyan);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--glow-cyan);
    color: var(--text-primary);
    font-weight: 600;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 1000;
    max-width: 300px;
}

.toast.show {
    transform: translateX(0);
}

.toast.error {
    border-color: var(--neon-red);
    box-shadow: var(--glow-red);
}

.toast.success {
    border-color: var(--neon-green);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.4);
}

/* ===== CHAT PAGE ===== */
.chat-page {
    padding: var(--spacing-lg);
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== CHAT HEADER ===== */
.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: var(--radius-md);
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.room-title {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    color: var(--neon-cyan);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--neon-green);
    box-shadow: 0 0 10px var(--neon-green);
    animation: blink 2s ease-in-out infinite;
}

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

.room-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
}

.room-code-label {
    color: var(--text-secondary);
}

.room-code {
    background: var(--bg-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--neon-yellow);
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    font-weight: bold;
    letter-spacing: 0.1em;
}

.btn-copy {
    background: transparent;
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: var(--radius-sm);
    padding: 0.35rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-copy svg {
    width: 16px;
    height: 16px;
    stroke: var(--neon-cyan);
}

.btn-copy:hover {
    border-color: var(--neon-cyan);
    background: rgba(0, 240, 255, 0.1);
}

/* ===== CHAT CONTAINER ===== */
.chat-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--spacing-lg);
    flex: 1;
    overflow: hidden;
}

/* ===== SIDEBAR ===== */
.sidebar {
    background: var(--bg-card);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(0, 240, 255, 0.2);
}

.sidebar-header h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1rem;
    color: var(--neon-cyan);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.icon {
    width: 18px;
    height: 18px;
}

.user-count {
    background: var(--gradient-primary);
    color: var(--bg-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.85rem;
    font-weight: bold;
}

.user-list {
    list-style: none;
    overflow-y: auto;
}

.user-item {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background: var(--bg-secondary);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all 0.3s ease;
}

.user-item:hover {
    border-color: rgba(0, 240, 255, 0.3);
}

.user-item::before {
    content: '●';
    color: var(--neon-green);
    font-size: 0.8rem;
}

.user-item.you {
    border-color: var(--neon-cyan);
    background: rgba(0, 240, 255, 0.05);
}

.user-item.you::after {
    content: '(You)';
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--neon-cyan);
}

/* ===== CHAT MAIN ===== */
.chat-main {
    background: var(--bg-card);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.messages-wrapper {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.messages {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* ===== MESSAGE STYLES ===== */
.message {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    animation: messageSlide 0.3s ease;
}

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

.message-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.message-author {
    font-weight: 700;
    font-size: 0.9rem;
}

.message.user .message-author {
    color: var(--neon-cyan);
}

.message.other .message-author {
    color: var(--neon-magenta);
}

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

.message-content {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 3px solid;
    word-wrap: break-word;
}

.message.user .message-content {
    border-left-color: var(--neon-cyan);
}

.message.other .message-content {
    border-left-color: var(--neon-magenta);
}

.message.system {
    align-items: center;
}

.message.system .message-content {
    background: rgba(0, 240, 255, 0.05);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-left: none;
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.9rem;
}

/* ===== MESSAGE FORM ===== */
.message-form {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(0, 240, 255, 0.2);
    display: flex;
    gap: var(--spacing-md);
}

.input-wrapper {
    flex: 1;
    position: relative;
}

.input-wrapper input {
    width: 100%;
    padding: var(--spacing-md);
    padding-right: 4rem;
    background: var(--bg-secondary);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.char-counter {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.btn-send {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--bg-primary);
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all 0.3s ease;
}

.btn-send svg {
    width: 20px;
    height: 20px;
    stroke: var(--bg-primary);
}

.btn-send:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.4);
}

.btn-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== SCROLLBAR STYLES ===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 240, 255, 0.3);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 240, 255, 0.5);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .chat-container {
        grid-template-columns: 240px 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }
    
    .glitch {
        font-size: 2.5rem;
    }
    
    .info-cards {
        grid-template-columns: 1fr;
    }
    
    .chat-container {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        display: none;
    }
    
    .chat-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .header-right {
        width: 100%;
    }
    
    .header-right .btn {
        width: 100%;
    }
    
    .room-info {
        flex-wrap: wrap;
    }
    
    .message-form {
        flex-direction: column;
    }
    
    .btn-send {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .glitch {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 0.9rem;
    }
    
    .main-card {
        padding: var(--spacing-lg);
    }
}