/* --- GLOBAL --- */
body {
    margin: 0;
    padding: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: #e9eef5;
}

/* --- HEADER --- */
.header {
    background: #0a2a43;
    color: white;
    padding: 25px 0;
    text-align: center;
    position: relative;
    box-shadow: 0 3px 8px rgba(0,0,0,0.2);
}

.header h1 {
    margin: 0;
    font-size: 28px;
    font-weight: 600;
}

.header p {
    margin: 5px 0 0;
    font-size: 16px;
    opacity: 0.8;
}

/* --- LOGIN CONTAINER --- */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: calc(100vh - 120px);
}

/* --- LOGIN BOX --- */
.login-box {
    background: white;
    padding: 35px;
    width: 350px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
    text-align: left;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 25px;
    color: #0a2a43;
}

/* --- FORM --- */
label {
    font-weight: 600;
    color: #0a2a43;
}

input {
    width: 100%;
    padding: 12px;
    margin: 8px 0 18px;
    border: 1px solid #bfc9d4;
    border-radius: 6px;
    font-size: 15px;
    box-sizing: border-box;
}

button {
    width: 100%;
    padding: 12px;
    background: #0a2a43;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    font-weight: 600;
}

button:hover {
    background: #0d3a5c;
}

/* --- ERROR MESSAGE --- */
.error {
    background: #ffdddd;
    color: #b30000;
    padding: 10px;
    border-left: 4px solid #b30000;
    margin-bottom: 15px;
    border-radius: 4px;
}