* {
    box-sizing: border-box;
}

body {
    font-family: "Segoe UI", Arial, sans-serif;
    background: linear-gradient(135deg, #e5ecf9, #f8fafc);
    margin: 0;
    padding: 40px;
}

.container {
    max-width: 1000px;
    margin: auto;
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #1f2937;
}

h2 {
    margin: 0;
    color: #111827;
}

.card {
    background: white;
    padding: 20px 24px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.form-row {
    display: flex;
    gap: 12px;
    margin-top: 15px;
    flex-wrap: wrap;
}

input {
    flex: 1;
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid #d1d5db;
    font-size: 14px;
}

input:focus {
    outline: none;
    border-color: #2563eb;
}

button {
    padding: 10px 16px;
    background-color: #2563eb;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
}

button:hover {
    background-color: #1e40af;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    background-color: #f3f4f6;
    text-align: left;
    padding: 12px;
    color: #374151;
}

td {
    padding: 12px;
    border-bottom: 1px solid #e5e7eb;
}

tr:hover {
    background-color: #f9fafb;
}

td button {
    background-color: #dc2626;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 13px;
}

td button:hover {
    background-color: #991b1b;
}