:root {
    --primary: #2a9d8f;
    --secondary: #264653;
    --bg: #f4f4f4;
    --text: #333;
    --white: #fff;
    --border: #ddd;
    --danger: #e63946;
    --success: #2ecc71;
    --warning: #f4a261;
}

* {
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 20px;
}

h2, h3 {
    color: var(--secondary);
    margin-top: 0;
}

a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select,
button {
    padding: 10px;
    margin: 6px 0;
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
}

button {
    background-color: var(--primary);
    color: var(--white);
    border: none;
    cursor: pointer;
    font-weight: 600;
}

button:hover {
    background-color: var(--secondary);
}

.card {
    background: var(--white);
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

th, td {
    padding: 10px;
    border: 1px solid var(--border);
    text-align: left;
}

th {
    background: var(--primary);
    color: white;
}

select {
    max-width: 100%;
}

form.inline {
    display: inline;
}

@media (max-width: 600px) {
    .dashboard-container {
        grid-template-columns: 1fr;
    }

    table, thead, tbody, th, td, tr {
        display: block;
    }

    th {
        position: sticky;
        top: 0;
        background-color: var(--primary);
        color: white;
    }

    td {
        padding: 8px;
        border-bottom: 1px solid var(--border);
    }
}