* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    background: #f4f4f2;
    color: #1a1a1a;
}
.topbar {
    background: #2d2d2d;
    color: #fff;
    padding: 16px 24px;
    display: flex;
    align-items: baseline;
    gap: 12px;
}
.topbar h1 { margin: 0; font-size: 22px; }
.topbar .subtitle { color: #ccc; font-size: 14px; }
main { padding: 24px; width: 100%; margin: 0 auto; }
h2 { font-size: 18px; margin-bottom: 12px; }

.form-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 32px;
}
.form-grid label {
    display: flex;
    flex-direction: column;
    font-size: 13px;
    color: #555;
    gap: 4px;
}
.form-grid input, .form-grid select {
    font-size: 15px;
    padding: 8px 10px;
    border: 1px solid #ccc;
    border-radius: 8px;
    width: 100%;
}
.form-grid button {
    grid-column: 1 / -1;
    background: #2d2d2d;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 12px;
    font-size: 15px;
    cursor: pointer;
}
.form-grid button:hover { background: #444; }

table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #eee; font-size: 14px; }
th { background: #eee; color: #333; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }

.primary-btn {
    background: #2d2d2d;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 12px 28px;
    font-size: 16px;
    cursor: pointer;
    margin-bottom: 24px;
}
.primary-btn:hover { background: #444; }

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}
.modal-overlay[hidden] {
    display: none;
}
.modal-box {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}
.modal-header h2 { margin: 0; }
.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    color: #555;
}
.modal-box .form-grid {
    margin-bottom: 0;
    padding: 0;
    border: none;
}