:root {
    --primary-red: #f43f3f;
    --dark-bg: #1e1f26;
    --sidebar-bg: #2b2c33;
    --text-color: #ffffff;
    --text-muted: #9da2b3;
}

body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-color);
}

body.with-sidebar {
    display: flex;
}

.sidebar {
    width: 250px;
    background-color: var(--sidebar-bg);
    min-height: 100vh;
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0,0,0,0.3);
}

.sidebar h2 {
    color: var(--primary-red);
    margin-top: 0;
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar ul li {
    margin: 10px 0;
}

.sidebar ul li a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.sidebar ul li a:hover {
    color: var(--primary-red);
}

.main-content {
    flex: 1;
    padding: 20px 40px;
}

.main-content h1 {
    color: var(--primary-red);
    font-size: 2.5em;
    margin-bottom: 0.5em;
}

.main-content p {
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 1.5em;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    width: 100%;
    background-color: var(--dark-bg);
}

.login-form {
    background-color: var(--sidebar-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 400px;
}

.login-form h1 {
    color: var(--primary-red);
    text-align: center;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--text-muted);
    border-radius: 4px;
    background-color: var(--dark-bg);
    color: var(--text-color);
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-red);
}

.login-form button {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--primary-red);
    color: var(--text-color);
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.login-form button:hover {
    opacity: 0.9;
}