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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page {
    display: none;
    width: 100%;
    max-width: 500px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.page.active {
    display: block;
}

/* Ana Sayfa */
.hero-section {
    text-align: center;
    margin-bottom: 40px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.logo i {
    font-size: 3rem;
    color: #667eea;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.1rem;
    color: #666;
    font-weight: 400;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

/* Sayfa Başlıkları */
.page-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.back-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #667eea;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.back-btn:hover {
    background: rgba(102, 126, 234, 0.1);
}

.page-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #333;
}

/* Formlar */
.form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group label {
    font-weight: 600;
    color: #555;
    font-size: 0.95rem;
}

.form-group input {
    padding: 15px;
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Chat Odası */
#chatRoom {
    max-width: 800px;
    padding: 30px;
}

.room-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.room-info {
    flex: 1;
}

.room-code-display h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 10px;
}

.room-code-display span {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.room-password-display p {
    font-size: 1.1rem;
    color: #666;
    font-weight: 500;
}

.room-password-display span {
    color: #667eea;
    font-weight: 600;
}

.leave-btn {
    background: #ff4757;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.leave-btn:hover {
    background: #ff3742;
    transform: translateY(-2px);
}

.chat-container {
    display: grid;
    grid-template-columns: 1fr 200px;
    gap: 30px;
    margin-bottom: 20px;
}

.participants-list {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid #e1e5e9;
}

.participants-list h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    text-align: center;
}

.participants-list ul {
    list-style: none;
}

.participants-list li {
    padding: 10px 15px;
    margin-bottom: 8px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 8px;
    font-weight: 500;
    color: #667eea;
    display: flex;
    align-items: center;
    gap: 10px;
}

.participants-list li::before {
    content: "🎤";
    font-size: 1.1rem;
}

.voice-controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.mic-controls, .volume-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.control-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.control-btn.muted {
    background: #ff4757;
}

.control-btn.muted:hover {
    background: #ff3742;
}

.control-label {
    font-weight: 600;
    color: #555;
    font-size: 0.9rem;
}

.status-message {
    text-align: center;
    padding: 15px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 10px;
    color: #667eea;
    font-weight: 500;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .page {
        padding: 30px 20px;
        margin: 10px;
    }
    
    .logo h1 {
        font-size: 2rem;
    }
    
    .chat-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .room-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .leave-btn {
        align-self: flex-end;
    }
}

@media (max-width: 480px) {
    .logo {
        flex-direction: column;
        gap: 10px;
    }
    
    .logo h1 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
}

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

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

/* Özel Efektler */
.btn:active {
    transform: scale(0.98);
}

.control-btn:active {
    transform: scale(0.95);
}

/* Loading Efekti */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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