* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: #121212;
    color: #e0e0e0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.login-container {
    background-color: #1e1e1e;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 400px;
}

h2 {
    margin-bottom: 1.5rem;
    text-align: center;
    color: #ffffff;
}

.form-group {
    margin-bottom: 1.25rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: #aaa;
}

input {
    width: 100%;
    padding: 0.75rem;
    border-radius: 4px;
    border: 1px solid #333;
    background-color: #2a2a2a;
    color: #fff;
    font-size: 1rem;
}

input:focus {
    outline: none;
    border-color: #0066cc;
}

button {
    width: 100%;
    padding: 0.75rem;
    border: none;
    border-radius: 4px;
    background-color: #0066cc;
    color: white;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s ease;
}

button:hover {
    background-color: #0052a3;
}

.alert {
    padding: 0.75rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    text-align: center;
}

.alert.success {
    background-color: #1b4d2e;
    color: #a3e635;
    border: 1px solid #276738;
}

.alert.error {
    background-color: #4c1d1d;
    color: #fca5a5;
    border: 1px solid #7f1d1d;
}

.hidden {
    display: none;
}