* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #1f2a2e, #0f1a1d);
}

.login-box {
    width: 350px;
    padding: 30px 25px;
    border-radius: 15px;
    background: rgba(20, 30, 35, 0.95);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3), 0 0 30px rgba(0, 255, 255, 0.15);
    text-align: center;
}

.login-box .avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto 15px;
    border-radius: 50%;
    background: #e6e6e6;
    display: flex;
    align-items: center;
    justify-content: center; 
}

.login-box h2 {
    color: #ffffff;
    margin-bottom: 15px;
    font-weight: 600; 
}

.login-box hr {
    border: none;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    margin-bottom: 20px; 
}

.login-box input {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 15px;
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 255, 0.6);
    background: transparent;
    color: #ffffff;
    outline: none;
    font-size: 14px;
}

.login-box input::placeholder {
    color: rgba(255, 255, 255, 0.6); 
}

.login-box input:focus {
    box-shadow: 0 0 8px rgba(0, 255, 255, 0.8); 
}

.login-box button {
    width: 100%;
    padding: 12px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    color: #0f1a1d;
    background: linear-gradient(135deg, #00e5ff, #00bcd4);
    transition: 0.3s;
}

.login-box button:hover {
    box-shadow: 0 0 12px rgba(0, 255, 255, 0.9);
    transform: scale(1.02); 
}

.avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto 15px;
    border-radius: 10%;
    overflow: hidden;
    background: transparent;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: none;
}

.password-box {
    position: relative; 
}

.password-box .eye {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(0, 255, 255, 0.8);
    font-size: 18px;
    pointer-events: none;
    user-select: none;
}

#btn-menu {
    display: none; 
}

.menu-icon {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 35px;
    height: 30px;
    cursor: pointer;
    z-index: 100;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.menu-icon span {
    display: block;
    height: 4px;
    width: 100%;
    background: linear-gradient(135deg, #00e5ff, #00bcd4);
    box-shadow: 0 0 6px rgba(0, 255, 255, 0.8);
    border-radius: 4px;
    transition: all 0.4s ease;
}

.menu {
    position: fixed;
    top: 0;
    right: -220px;
    width: 220px;
    height: 100vh;
    background: rgba(20, 30, 35, 0.95);
    box-shadow:
        -5px 0 15px rgba(0, 255, 255, 0.3),
        -5px 0 30px rgba(0, 255, 255, 0.15);
    backdrop-filter: blur(6px);
    transition: right 0.4s ease;
    z-index: 99;
}


#btn-menu:checked ~ .menu {
    right: 0; 
}

#btn-menu:checked + .menu-icon span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

#btn-menu:checked + .menu-icon span:nth-child(2) {
    opacity: 0;
}

#btn-menu:checked + .menu-icon span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.menu ul {
    list-style: none;
    padding: 60px 0;
}

.menu ul li a {
    display: block;
    padding: 15px 20px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
}


.menu ul li a:hover {
    background: rgba(0, 255, 255, 0.08);
    border-left: 3px solid #00e5ff;
    box-shadow: inset 0 0 8px rgba(0, 255, 255, 0.4);
}

@media (max-width: 200px) {
.menu-icon {
    display: none;
}

.menu { 
    position: static;
    width: 100%;
    height: auto;
    right: 0;
    background-color: rgb(0, 73, 141);
}

.menu ul {
    padding: 10px 0;
}

.menu ul li a {
    padding: 10px;
    font-size: 14px;
    text-align: center;
} 
}