:root {
    --bg-color: #0a0a0a;
    --card-bg: #1a1a1a;
    --text-color: #ffffff;
    --accent-color: #007bff;
    --accent-hover: #0056b3;
    --input-bg: #2a2a2a;
    --border-color: #333333;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.auth-container {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.auth-container h1 {
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    font-weight: 600;
}

.form-group {
    margin-bottom: 1.2rem;
    text-align: left;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: #aaaaaa;
}

.form-group input {
    width: 100%;
    padding: 0.8rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: var(--input-bg);
    color: var(--text-color);
    box-sizing: border-box;
    font-size: 1rem;
}

.password-wrapper {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #888;
}

.btn-primary {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 1rem;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.auth-links {
    margin-top: 1.5rem;
    font-size: 0.85rem;
}

.auth-links a {
    color: var(--accent-color);
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}

.error-msg {
    background-color: #ff444422;
    color: #ff4444;
    padding: 0.8rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

/* Dashboard & Layout */
.dashboard-container {
    display: flex;
    width: 100%;
    height: 100vh;
}

.sidebar {
    width: 260px;
    background-color: var(--card-bg);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.sidebar h2 {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.sidebar nav a {
    display: block;
    padding: 0.8rem;
    color: #ccc;
    text-decoration: none;
    border-radius: 6px;
    margin-bottom: 0.5rem;
}

.sidebar nav a:hover, .sidebar nav a.active {
    background-color: var(--input-bg);
    color: white;
}

.main-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

.profile-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    max-width: 600px;
    margin: 0 auto;
}