.login-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 10px;
    background: rgba(255,255,255,0.5);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    color: white;
}

.login-header {
    text-align: center;
    margin-bottom: 10px;
	color: #FFFFFF;
}

.login-header h2 {
	color: #FFFFFF;
    margin: 0;
    font-size: 28px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.login-header p {
    margin: 10px 0 0 0;
    font-size: 16px;
    opacity: 0.9;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
}

.form-input {
    position: relative;
}
.form-label {
            color: #FFFFFF;
 }
.form-input input {
    width: 100%;
    padding: 12px 15px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    background: rgba(255,255,255,0.9);
    color: #333;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.form-input input:focus {
    outline: none;
    background: rgba(255,255,255,1);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.form-input input::placeholder {
    color: #888;
}

.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(238, 90, 36, 0.4);
}

.login-btn:active {
    transform: translateY(0);
}

.other-links {
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.other-links a {
    color: white;
    text-decoration: none;
    display: block;
    margin: 10px 0;
    font-size: 14px;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.other-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

.game-info {
    text-align: center;
    margin: 40px auto;
    padding: 20px;
    max-width: 900px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.game-info h3 {
    color: #fff;
    margin-bottom: 15px;
    font-size: 24px;
}

.game-info p {
    color: rgba(255,255,255,0.9);
    line-height: 1.6;
    margin-bottom: 10px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 40px auto;
    max-width: 900px;
}

.feature-card {
    background: rgba(255,255,255,0.1);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h4 {
    color: #fff;
    margin-bottom: 10px;
    font-size: 18px;
}

.feature-card p {
    color: rgba(255,255,255,0.8);
    font-size: 14px;
    line-height: 1.5;
}

.req {
    color: #ff6b6b;
}

        /* Responsive design */
        @media (max-width: 1024px) {
            .main-content {
                margin-right: 0;
                padding-top: 280px;
            }
            
            .login-container {
                position: absolute;
                top: 10px;
                right: 10px;
                left: 10px;
                max-width: none;
                width: auto;
            }
        }

        @media (max-width: 768px) {
            .login-container {
                position: relative;
                top: 0;
                right: 0;
                left: 0;
                margin: 20px;
                padding: 20px;
                max-width: none;
                width: auto;
            }
            
            .main-content {
                margin-right: 0;
                padding: 20px;
                padding-top: 20px;
            }
            
            .features {
                grid-template-columns: 1fr;
                margin: 20px auto;
            }
            
            .game-info {
                margin: 20px auto;
                padding: 15px;
            }
        }
				body {
			cursor: url(images/Cursor_2.cur), auto;
		}

		a,
		img a {
			cursor: url(images/Cursor_4.cur), auto;
		}
.btn-primary.btn-lg {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 2px solid #e9ecef;
    color: #495057;
    font-size: 16px;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    display: inline-block;
    min-width: 150px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn-primary.btn-lg:hover {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-color: #dee2e6;
    color: #212529;
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.btn-primary.btn-lg:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-primary.btn-lg:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

/* Hiệu ứng ripple khi click */
.btn-primary.btn-lg::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.btn-primary.btn-lg:active::before {
    width: 300px;
    height: 300px;
}

/* Variant cho nút đăng xuất (màu đỏ nhẹ) */
.btn-primary.btn-lg[name="logout"] {
    background: linear-gradient(135deg, #fff5f5 0%, #fed7d7 100%);
    border-color: #feb2b2;
    color: #c53030;
}

.btn-primary.btn-lg[name="logout"]:hover {
    background: linear-gradient(135deg, #fed7d7 0%, #fbb6ce 100%);
    border-color: #f56565;
    color: #822727;
}

/* Responsive cho màn hình nhỏ */
@media (max-width: 768px) {
    .btn-primary.btn-lg {
        padding: 10px 20px;
        font-size: 14px;
        min-width: 150px;
    }
}
.footer {
    text-align: center;
    margin: 50px auto;
	margin-bottom: 12px;
    max-width: 800px;
}
/* Desktop - 2 cột ngang */
.main-container {
    display: flex;
    flex-direction: row;
    gap: 20px;
    width: 100%;
    max-width: 710px;
    box-sizing: border-box;
    margin: 20px auto;
    padding: 0 15px;
    align-items: flex-start;
}

.left-column {
    width: 350px;
    flex-shrink: 0;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: rgba(255,255,255,0.5);
    box-sizing: border-box;
}

.right-column {
    width: 400px;
    flex-shrink: 0;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: rgba(255,255,255,0.5);
    box-sizing: border-box;
}

/* Mobile - 1 cột dọc */
@media (max-width: 767px) {
    .main-container {
        flex-direction: column;
        padding: 0 10px;
        margin: 10px auto;
    }
    
    .left-column {
        width: 100%;
        padding: 15px;
    }
    
    .right-column {
        width: 100%;
        padding: 12px;
    }
    
    button {
        font-size: 13px !important;
        padding: 10px !important;
    }
}