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

body {
    font-family: 'Cairo', sans-serif;
    background: #0a0a0a;
    color: #fff;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.background-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 69, 19, 0.08) 0%, transparent 50%),
        linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0a0a0a 100%);
    z-index: 0;
}

.container {
    width: 100%;
    max-width: 900px;
    height: 98vh;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 
        0 0 50px rgba(212, 175, 55, 0.1),
        inset 0 0 50px rgba(212, 175, 55, 0.02);
    border: 1px solid rgba(212, 175, 55, 0.3);
    position: relative;
    z-index: 1;
}

.login-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 20px;
}

.login-box {
    background: linear-gradient(135deg, rgba(20, 20, 20, 0.95) 0%, rgba(30, 30, 30, 0.95) 100%);
    padding: 50px;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    gap: 25px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(212, 175, 55, 0.3);
    animation: slideIn 0.5s ease-out;
}

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

.logo { text-align: center; }

.logo-icon {
    font-size: 70px;
    animation: glow 3s infinite;
}

@keyframes glow {
    0%, 100% { filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.5)); }
    50% { filter: drop-shadow(0 0 30px rgba(212, 175, 55, 0.8)); }
}

.logo h1 {
    font-size: 36px;
    font-weight: 900;
    background: linear-gradient(135deg, #d4af37 0%, #ffd700 50%, #d4af37 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-top: 10px;
}

.logo p {
    color: #aaa;
    font-size: 14px;
}

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

.input-group label {
    font-weight: 600;
    font-size: 14px;
    color: #d4af37;
}

.input-group input,
.input-group select {
    padding: 15px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    font-size: 16px;
    font-family: 'Cairo', sans-serif;
    transition: all 0.3s;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: #d4af37;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
}

.btn-primary {
    padding: 15px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #d4af37 0%, #ffd700 100%);
    color: #000;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Cairo', sans-serif;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.4);
}

.chat-screen {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.header {
    background: rgba(0, 0, 0, 0.5);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}

.room-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.room-avatar {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #d4af37 0%, #8b6914 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 22px;
}

.room-info h3 {
    font-weight: 700;
    color: #d4af37;
}

.online-status {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: #4ade80;
}

.online-dot {
    width: 8px;
    height: 8px;
    background: #4ade80;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.btn-leave {
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    background: rgba(220, 38, 38, 0.8);
    color: #fff;
    cursor: pointer;
    font-family: 'Cairo', sans-serif;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-leave:hover {
    background: rgba(220, 38, 38, 1);
}

.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.messages {
    flex: 1;
    padding: 25px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 15px;
    max-width: 70%;
    align-self: flex-start;
    animation: messageIn 0.3s ease-out;
    border-right: 3px solid #d4af37;
}

@keyframes messageIn {
    from { transform: translateX(-20px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.message .username {
    color: #d4af37;
    font-weight: 700;
    font-size: 13px;
    margin-bottom: 5px;
}

.message .text {
    font-size: 16px;
    word-wrap: break-word;
}

.message .time {
    font-size: 11px;
    color: #666;
    margin-top: 5px;
}

.input-area {
    display: flex;
    padding: 20px;
    gap: 15px;
    background: rgba(0, 0, 0, 0.8);
    border-top: 1px solid rgba(212, 175, 55, 0.3);
}

.input-area input {
    flex: 1;
    padding: 15px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 16px;
    font-family: 'Cairo', sans-serif;
    transition: all 0.3s;
}

.input-area input:focus {
    outline: none;
    border-color: #d4af37;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
}

.btn-send {
    padding: 15px 30px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #d4af37 0%, #ffd700 100%);
    color: #000;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Cairo', sans-serif;
}

.btn-send:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.4);
}

@media (max-width: 768px) {
    .container {
        height: 100vh;
        border-radius: 0;
        max-width: 100%;
    }
    .message {
        max-width: 85%;
    }
    .login-box {
        padding: 30px;
    }
}ك