body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: #181c27;
    color: #ffffff;
}

.menu-bar {
    background-color: #10141f;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #2c2f3a;
}

.menu-bar a {
    color: #60a5fa;
    text-decoration: none;
}

.dashboard {
    padding: 20px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.card {
    background-color: #232b3e;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 0 10px #00000088;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card h2 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: #9ca3af;
}

canvas {
    width: 100% !important;
    height: 180px !important;
    background-color: #1f2937;
    border-radius: 6px;
}

.login-container {
    max-width: 400px;
    margin: 150px auto;
    background-color: #2c2f3a;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 15px #00000088;
}

input, button {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    background-color: #1f2937;
    color: #fff;
    border: 1px solid #3b4252;
    border-radius: 5px;
}