:root {
    --bg: #f3f7fb;
    --card: #ffffff;
    --text: #112031;
    --muted: #506070;
    --brand: #0c7a6f;
    --brand-dark: #07564f;
    --danger: #b42318;
    --line: #d8e3ec;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: radial-gradient(circle at top right, #defff8, var(--bg) 42%);
    color: var(--text);
}

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 24px;
    background: linear-gradient(125deg, #0c7a6f, #145e9e);
    color: #fff;
}

.hero.slim {
    padding: 18px 24px;
}

.hero h1 {
    margin: 0;
    font-size: 24px;
}

.container {
    max-width: 1080px;
    margin: 18px auto;
    padding: 0 16px 28px;
}

.btn {
    display: inline-block;
    border: 0;
    background: var(--brand);
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    padding: 9px 14px;
    cursor: pointer;
    font-weight: 600;
}

.btn:hover {
    background: var(--brand-dark);
}

.btn-light {
    background: #eaf2f9;
    color: #183247;
}

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

.box-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
}

.group-panel {
    margin-bottom: 16px;
}

.group-title-row {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 12px;
}

.group-title-row h3 {
    margin: 0;
}

.group-desc {
    color: var(--muted);
    font-size: 14px;
}

.new-box-form {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.7fr 1fr auto;
    gap: 8px;
    margin-bottom: 12px;
}

.new-box-form.compact {
    grid-template-columns: 1.1fr 0.8fr 0.7fr 1fr auto;
}

.box-card,
.panel {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
    box-shadow: 0 3px 12px rgba(17, 32, 49, 0.05);
}

.box-card h3 {
    margin: 0 0 6px;
}

.box-card h4 {
    margin: 0 0 6px;
}

.card-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
}

.card-actions form {
    margin: 0;
}

.box-overview {
    margin-top: 8px;
    border: 1px dashed var(--line);
    border-radius: 10px;
    padding: 8px;
}

.box-overview summary {
    cursor: pointer;
    color: var(--muted);
}

.box-overview ul {
    margin: 8px 0 0;
    padding-left: 18px;
}

.slot-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(90px, 1fr));
    gap: 10px;
}

.slot-grid-14 {
    grid-template-columns: repeat(7, minmax(90px, 1fr));
}

.slot-grid-bag {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
}

.slot {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-height: 110px;
    padding: 10px;
    border-radius: 12px;
    text-decoration: none;
    border: 1px solid var(--line);
    color: var(--text);
    background: #ffffff;
}

.slot.filled {
    border-color: #9ccfd1;
    background: #ecfbf8;
}

.slot-no {
    font-size: 12px;
    color: var(--muted);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.form-grid label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 14px;
}

.form-grid .full {
    grid-column: 1 / -1;
}

input,
textarea {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 9px 10px;
    font: inherit;
}

.actions {
    display: flex;
    gap: 8px;
}

.alert {
    background: #fff1f2;
    border: 1px solid #fecdd3;
    color: #9f1239;
    border-radius: 10px;
    padding: 10px;
}

.notice {
    background: #ecfeff;
    border: 1px solid #a5f3fc;
    color: #155e75;
    border-radius: 10px;
    padding: 10px;
}

.search-row {
    display: flex;
    gap: 8px;
}

.search-row input {
    flex: 1;
}

.table-wrap {
    overflow-x: auto;
}

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

th,
td {
    text-align: left;
    border-bottom: 1px solid var(--line);
    padding: 8px;
    font-size: 14px;
}

.hint {
    color: var(--muted);
    margin: 10px 0 0;
}

.batch-input {
    width: 100%;
    margin-top: 8px;
    margin-bottom: 8px;
}

@media (max-width: 760px) {
    .hero {
        flex-direction: column;
        align-items: flex-start;
    }

    .slot-grid,
    .slot-grid-14,
    .slot-grid-bag {
        grid-template-columns: repeat(4, minmax(70px, 1fr));
    }

    .new-box-form {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }
}