body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../img/login_bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

h2 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
}

.input-group {
    position: relative;
    margin-bottom: 20px;
}

.icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
}

input {
    width: 100%;
    padding: 12px 40px;
    border: 1px solid #ddd;
    border-radius: 25px;
    font-size: 16px;
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.3s;
}

input:focus {
    border-color: #ff4d8f;
}

input[type="tel"] {
    width: 100%;
    padding: 12px 40px;
    border: 1px solid #ddd;
    border-radius: 25px;
    font-size: 16px;
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.3s;
}

input[type="tel"]:focus {
    border-color: #ff4d8f;
}

input[type="tel"]:invalid {
    border-color: #ff4d4d;
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(to right, #ff4d8f, #ff6b9f);
    border: none;
    border-radius: 25px;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.2s;
    font-weight: normal;
}

.login-btn:hover {
    transform: translateY(-2px);
}

.register-link {
    text-align: center;
    margin-top: 15px;
}

.register-link a {
    color: #ff4d8f;
    text-decoration: none;
}

.register-link a:hover {
    text-decoration: underline;
}