body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f4f6f8;
    padding: 20px;
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

th {
    background: #2c3e50;
    color: white;
    padding: 15px;
    text-align: left;
}

td {
    padding: 10px;
    text-align: center;
    border-bottom: 1px solid #eee;
}

tr.aktif {
    background-color: #d4edda !important;  /* Açık yeşil */
}

tr.pasif {
    background-color: #f8d7da !important;  /* Açık kırmızı */
}

tr.bloke {
    background-color: #fff3cd !important;  /* Açık sarı */
}

input, select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: rgba(255,255,255,0.7);
}

button#addRowBtn {
    padding: 12px 24px;
    background: #27ae60;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    font-size: 16px;
    transition: background 0.3s ease;
}

button#addRowBtn:hover {
    background: #219150;
}

button.delete-btn {
    background: #e74c3c;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    font-size: 14px;
    transition: background 0.3s ease;
}

button.delete-btn:hover {
    background: #c0392b;
}

button.delete-btn:focus {
    outline: none;
}