:root {
    --primary-bg: #0a0e27;
    --secondary-bg: #151b3d;
    --accent-color: #00ff88;
    --accent-glow: rgba(0, 255, 136, 0.3);
    --text-primary: #ffffff;
    --text-secondary: #a8b2d1;
    --danger-color: #ff4757;
    --warning-color: #ffa502;
    --card-bg: rgba(21, 27, 61, 0.6);
    --border-color: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    overflow-x: hidden;
}

.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    z-index: 1;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.gradient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    z-index: 0;
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #00ff88, #0066ff);
    top: -200px;
    right: -200px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #ff0080, #7000ff);
    bottom: -150px;
    left: -150px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.page {
    display: none;
    min-height: 100vh;
    position: relative;
    z-index: 2;
}

.page.active {
    display: block;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 4rem;
    position: relative;
    z-index: 10;
}

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

.logo-icon {
    font-size: 2rem;
    color: var(--accent-color);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

.logo-text {
    font-family: 'Archivo Black', sans-serif;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.header-stats {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.online-count {
    font-family: 'Archivo Black', sans-serif;
    font-size: 2rem;
    color: var(--accent-color);
    line-height: 1;
}

.online-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.landing-content {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 200px);
    padding: 2rem;
}

.hero-section {
    text-align: center;
    max-width: 900px;
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(30px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-family: 'Archivo Black', sans-serif;
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
}

.title-line.accent {
    color: var(--accent-color);
    text-shadow: 0 0 40px var(--accent-glow);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.chat-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.option-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.option-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-color), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.option-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 60px var(--accent-glow);
}

.option-card:hover::before {
    opacity: 0.1;
}

.option-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.option-card h3 {
    font-family: 'Archivo Black', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

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

.features {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

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

.main-footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.chat-container {
    max-width: 900px;
    margin: 0 auto;
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--secondary-bg);
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.back-btn, .new-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    font-weight: 500;
    transition: all 0.3s ease;
}

.back-btn:hover, .new-btn:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--primary-bg);
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--warning-color);
    animation: blink 1.5s ease-in-out infinite;
}

.status-indicator.connected {
    background: var(--accent-color);
    animation: none;
}

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

.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.messages-container::-webkit-scrollbar {
    width: 8px;
}

.messages-container::-webkit-scrollbar-track {
    background: var(--primary-bg);
}

.messages-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.welcome-message {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem;
}

.message {
    max-width: 70%;
    padding: 1rem 1.25rem;
    border-radius: 15px;
    animation: messageSlide 0.3s ease-out;
}

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

.message.sent {
    background: var(--accent-color);
    color: var(--primary-bg);
    align-self: flex-end;
    margin-left: auto;
}

.message.received {
    background: var(--card-bg);
    align-self: flex-start;
}

.system-message {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.5rem;
}

.message-input-container {
    display: flex;
    gap: 1rem;
    padding: 1.5rem 2rem;
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
}

#message-input {
    flex: 1;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    color: var(--text-primary);
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
}

#message-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

#send-btn {
    background: var(--accent-color);
    border: none;
    color: var(--primary-bg);
    padding: 1rem 2rem;
    border-radius: 10px;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    transition: all 0.3s ease;
}

#send-btn:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 5px 20px var(--accent-glow);
}

#send-btn:disabled, #message-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.video-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--primary-bg);
}

.video-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(10px);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
}

.video-grid {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr;
    position: relative;
}

/* Video Container Improvements */
.video-grid {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr;
    position: relative;
    background: #000;
}

.video-wrapper {
    position: relative;
    background: #000;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.remote-video-wrapper {
    grid-row: 1;
    grid-column: 1;
}

/* Make remote video look natural (no stretching) */
#remote-video {
    width: 100%;
    height: 100%;
    object-fit: contain;        /* This is the key fix */
    background: #000;
}

/* Local video (your own camera) - small preview */
#local-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Optional: Make remote video cover the area better on mobile */
@media (max-width: 768px) {
    #remote-video {
        object-fit: cover;     /* Use cover on mobile for better fill */
    }
}

video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--secondary-bg);
    gap: 1rem;
}

.video-placeholder.hidden {
    display: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.video-label {
    position: absolute;
    bottom: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.7);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
}

.video-controls {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 10;
}

.control-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover {
    transform: scale(1.1);
    background: var(--accent-color);
}

.control-btn.active {
    background: var(--danger-color);
}

.disconnect-btn:hover {
    background: var(--danger-color);
}

@media (max-width: 768px) {
    .main-header {
        padding: 1.5rem 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .chat-options {
        grid-template-columns: 1fr;
    }
    
    .features {
        flex-direction: column;
        gap: 1rem;
    }
    
    .local-video-wrapper {
        width: 150px;
        height: 110px;
        bottom: 80px;
        right: 10px;
    }
    
    .video-controls {
        bottom: 1rem;
    }
    
    .control-btn {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}
.modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.modal-content h2 { margin-bottom: 10px; }
.modal-content p { margin-bottom: 20px; color: #666; }

#username-input {
    width: 100%;
    padding: 12px;
    font-size: 18px;
    border: 2px solid #667eea;
    border-radius: 8px;
    margin-bottom: 20px;
}

.modal-buttons button {
    padding: 12px 20px;
    margin: 5px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
}

#random-name-btn { background: #f0f0f0; }
#start-chat-btn { background: #667eea; color: white; }