* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", Arial, sans-serif;
    background: #f4f6f9;
    color: #333;
    display: flex;
    flex-direction: column;
}

.login-header {
    background: #1f3a5f;
    color: #fff;
    padding: 16px 28px;
    font-size: 20px;
    font-weight: 600;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.login-main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px 16px;
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: #fff;
    border: 1px solid #e0e5eb;
    border-radius: 10px;
    padding: 32px;
    box-shadow: 0 5px 20px rgba(31, 58, 95, 0.08);
}

.login-title {
    margin: 0 0 8px;
    color: #1f3a5f;
    font-size: 24px;
    text-align: center;
}

.login-subtitle {
    margin: 0 0 28px;
    color: #6b7280;
    font-size: 14px;
    text-align: center;
}

.login-form label {
    display: block;
    margin: 16px 0 7px;
    font-size: 14px;
    font-weight: 600;
}

.login-form input {
    width: 100%;
    height: 42px;
    padding: 10px 12px;
    border: 1px solid #cbd3df;
    border-radius: 5px;
    background: #fff;
    font: inherit;
    font-size: 14px;
}

.login-form input:focus {
    outline: none;
    border-color: #1f3a5f;
    box-shadow: 0 0 0 3px rgba(31, 58, 95, 0.12);
}

.login-button {
    width: 100%;
    margin-top: 24px;
    padding: 12px;
    border: none;
    border-radius: 5px;
    background: #1f3a5f;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.login-button:hover {
    background: #294d7a;
}

.login-message {
    padding: 10px 12px;
    margin-bottom: 14px;
    border-radius: 5px;
    background: #fce8e6;
    color: #b42318;
    font-size: 13px;
}

.login-footer {
    padding: 14px;
    text-align: center;
    color: #7b8491;
    font-size: 12px;
}


.login-error {
    color: #b42318;
    background-color: #fef3f2;
    border: 1px solid #fecdca;
    padding: 10px 12px;
    margin-bottom: 15px;
    border-radius: 6px;
    font-size: 14px;
}