:root {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --card-bg: #2d2d2d;
    --accent: #4caf50;
    --danger: #f44336;
    --border: #404040;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
}

header {
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}

h1 {
    font-weight: 300;
    letter-spacing: 1px;
}

.table-container {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

th, td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid var(--border);
}

th {
    color: var(--accent);
    text-transform: uppercase;
    font-size: 0.85em;
    letter-spacing: 1px;
}

button {
    cursor: pointer;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 600;
    transition: background 0.2s;
}

.btn-add {
    background: var(--accent);
    color: white;
    float: right;
    margin-top: -40px;
}

.btn-edit {
    background: #2196f3;
    color: white;
    margin-right: 5px;
}

.btn-delete {
    background: var(--danger);
    color: white;
}

button:hover {
    opacity: 0.9;
}

/* Select in table */
td select {
    background: transparent;
    color: inherit;
    border: none;
    width: 100%;
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    padding: 0;
}

td select option {
    background: var(--card-bg);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 8px;
    width: 400px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    text-transform: capitalize;
}

input {
    width: 100%;
    padding: 8px;
    background: #333;
    border: 1px solid var(--border);
    color: white;
    border-radius: 4px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}