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

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #dceeff, #8bb8e8, #5b8fd9);
    min-height: 100vh;
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 450px;
    background: #ffffff;
    padding: 40px 32px;
    border-radius: 20px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
    text-align: center;
}

.login-card h1 {
    font-size: 30px;
    color: #0f2f57;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 15px;
    color: #5f6f82;
    margin-bottom: 28px;
}

.login-form {
    text-align: left;
}

.input-group {
    margin-bottom: 18px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #1f3552;
}

.input-group input {
    width: 100%;
    padding: 14px 15px;
    border: 1px solid #c9d8ea;
    border-radius: 12px;
    font-size: 15px;
    outline: none;
    transition: 0.2s ease;
}

.input-group input:focus {
    border-color: #4a90e2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.15);
}

button {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    background: #2f80ed;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s ease;
    margin-top: 8px;
}

button:hover {
    background: #1f6fd6;
}

.error {
    margin-top: 16px;
    padding: 12px;
    border-radius: 10px;
    background: #fdeaea;
    color: #c0392b;
    font-size: 14px;
    text-align: center;
}