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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    max-width: 400px;
    width: 100%;
}

h1 {
    color: #333;
    text-align: center;
    margin-bottom: 30px;
    font-size: 28px;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    color: #555;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

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

.password-input-wrapper input[type="password"],
.password-input-wrapper input[type="text"] {
    width: 100%;
    padding-right: 45px;
    margin-bottom: 0;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5px;
    transition: all 0.3s ease;
}

.toggle-password:hover {
    opacity: 0.7;
}

.eye-icon {
    width: 20px;
    height: 20px;
    color: #667eea;
}

.eye-icon .eye-closed {
    display: none;
}

.eye-icon.show-password .eye-open {
    display: none;
}

.eye-icon.show-password .eye-closed {
    display: block;
}

input[type="text"],
input[type="password"] {
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 14px;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

input[type="text"]:focus,
input[type="password"]:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

input[type="text"]:invalid,
input[type="password"]:invalid {
    border-color: #e74c3c;
}

input[type="text"]:valid,
input[type="password"]:valid {
    border-color: #2ecc71;
}

button[type="submit"] {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-top: 10px;
}

button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

button[type="submit"]:active {
    transform: translateY(0);
}

.password-requirements {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 12px;
    color: #666;
}

.password-requirements p {
    margin-bottom: 5px;
    font-weight: 600;
    color: #333;
}

.password-requirements ul {
    margin-left: 20px;
    margin-top: 8px;
}

.password-requirements li {
    margin-bottom: 5px;
}