/* Reset and base */
body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to bottom right, #e0e7ff, #f3f4f6);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Login container */
.login-container {
    background-color: #ffffff;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

/* Heading */
.login-container h2 {
    text-align: center;
    margin-bottom: 25px;
    font-size: 26px;
    color: #1f2937;
}

/* Error message */
.error {
    background-color: #fee2e2;
    color: #b91c1c;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    text-align: center;
    font-weight: bold;
}

/* Label styling */
.login-container label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #374151;
}

/* Input fields */
.login-container input {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 15px;
    background-color: #f9fafb;
    transition: border-color 0.2s ease-in-out;
}

.login-container input:focus {
    outline: none;
    border-color: #2563eb;
    background-color: #fff;
}

/* Submit button */
.btn {
    width: 100%;
    padding: 12px;
    background-color: #2563eb;
    color: white;
    font-weight: bold;
    font-size: 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease-in-out;
}

.btn:hover {
    background-color: #1e3a8a;
}