:root {
    --bg: #f4f6f8;
    --surface: #fff;
    --text: #1a1d21;
    --muted: #5c6570;
    --border: #d8dee4;
    --accent: #0d6efd;
    --accent-hover: #0b5ed7;
    --danger: #dc3545;
    --radius: 8px;
    --font: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 15px;
    color: var(--text);
    background: var(--bg);
    line-height: 1.5;
}

a {
    color: var(--accent);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

.app-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-shell--bare .app-header {
    justify-content: center;
}

.app-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 0.75rem 1.25rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.brand {
    font-weight: 700;
    font-size: 1.1rem;
}
.brand a {
    color: var(--text);
    text-decoration: none;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    flex: 1;
}
.nav a {
    color: var(--muted);
    font-weight: 500;
}
.nav a:hover,
.nav a.active {
    color: var(--accent);
    text-decoration: none;
}
.nav a.active {
    font-weight: 700;
}

.user-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.app-main {
    flex: 1;
    padding: 1.25rem;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

h1 {
    font-size: 1.35rem;
    margin: 0 0 1rem;
    font-weight: 700;
}

h2 {
    font-size: 1.1rem;
    margin: 1.25rem 0 0.5rem;
}

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}

.form-row {
    margin-bottom: 0.75rem;
}
.form-row label {
    display: block;
    font-size: 0.875rem;
    color: var(--muted);
    margin-bottom: 0.25rem;
}

input[type='text'],
input[type='password'],
input[type='date'],
input[type='number'],
select,
textarea {
    width: 100%;
    max-width: 28rem;
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font: inherit;
}

textarea {
    max-width: 100%;
    min-height: 4rem;
}

.btn {
    display: inline-block;
    padding: 0.45rem 1rem;
    border-radius: 4px;
    border: 1px solid transparent;
    font: inherit;
    cursor: pointer;
    background: var(--accent);
    color: #fff;
}
.btn:hover {
    background: var(--accent-hover);
    text-decoration: none;
    color: #fff;
}
.btn-secondary {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border);
}
.btn-secondary:hover {
    background: var(--bg);
    color: var(--text);
}
.btn-danger {
    background: var(--danger);
}
.btn-danger:hover {
    background: #bb2d3b;
    color: #fff;
}

.alert {
    padding: 0.6rem 0.85rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}
.alert-error {
    background: #f8d7da;
    color: #842029;
    border: 1px solid #f5c2c7;
}
.alert-success {
    background: #d1e7dd;
    color: #0f5132;
    border: 1px solid #badbcc;
}

table.data {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
/* 一覧で明細を開いたとき、内側の広い表で行全体が押し広がらないようにする */
table.data.data--purchase-list {
    table-layout: fixed;
}
table.data.data--purchase-list col.data-col-print {
    width: 5.5rem;
}
table.data.data--purchase-list col.data-col-no {
    width: 3.5rem;
}
table.data.data--purchase-list col.data-col-date {
    width: 8rem;
}
table.data.data--purchase-list col.data-col-status {
    width: 5rem;
}
table.data.data--purchase-list col.data-col-user {
    width: 7rem;
}
table.data.data--purchase-list col.data-col-note {
    width: 10%;
}
table.data.data--purchase-list col.data-col-lines {
    width: auto;
}
table.data.data--purchase-list col.data-col-edit {
    width: 4.5rem;
}
table.data td.td-data-lines {
    vertical-align: middle;
}
table.data.data--purchase-list tbody tr.purchase-list-detail .td-purchase-detail-full {
    padding: 0 0.5rem 0.85rem;
    vertical-align: top;
    border-top: none;
}
table.data.data--purchase-list .purchase-detail-scroll {
    margin: 0;
    max-width: 100%;
}
button.lines-toggle {
    cursor: pointer;
    color: var(--accent);
    font-size: 0.875rem;
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    text-align: left;
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
}
button.lines-toggle:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}
table.data.data--purchase-list tbody tr.purchase-stripe-a {
    background: #fff;
}
table.data.data--purchase-list tbody tr.purchase-stripe-b {
    background: #fafbfc;
}
table.data td.td-data-note {
    overflow-wrap: anywhere;
    word-break: break-word;
}
table.data td.td-data-edit {
    white-space: nowrap;
    width: 4.5rem;
    vertical-align: middle;
    text-align: center;
}
table.data .purchase-grid--embedded-list {
    font-size: 0.8rem;
    min-width: 900px;
}
table.data th,
table.data td {
    border: 1px solid var(--border);
    padding: 0.4rem 0.5rem;
    text-align: left;
}
table.data th {
    background: #eef1f4;
    font-weight: 600;
}
table.data:not(.data--purchase-list) tr:nth-child(even) {
    background: #fafbfc;
}
table.data .col-order-print {
    white-space: nowrap;
    vertical-align: middle;
}

.login-box {
    max-width: 360px;
    margin: 3rem auto;
}

.purchase-grid-wrap {
    overflow-x: auto;
    margin: 0 -0.25rem;
}

.purchase-grid {
    border-collapse: collapse;
    font-size: 0.82rem;
    min-width: 1100px;
    background: var(--surface);
}
.purchase-grid th,
.purchase-grid td {
    border: 1px solid var(--border);
    padding: 0.25rem;
    vertical-align: middle;
}
.purchase-grid th {
    background: #e8ecf0;
    font-weight: 600;
    white-space: nowrap;
}
.purchase-grid select,
.purchase-grid input[type='number'] {
    max-width: none;
    width: 100%;
    min-width: 4rem;
    padding: 0.35rem 0.4rem;
}
.purchase-grid .col-narrow {
    width: 4.5rem;
}
.purchase-grid .col-deal {
    width: 5rem;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 1rem;
}

.subtle {
    color: var(--muted);
    font-size: 0.875rem;
}

.inline-form {
    display: inline;
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-end;
    margin-bottom: 1rem;
}
.filters .form-row {
    margin: 0;
}
.filters input,
.filters select {
    max-width: 12rem;
}

details.lines-detail {
    margin-top: 0.35rem;
}
details.lines-detail summary {
    cursor: pointer;
    color: var(--accent);
    font-size: 0.875rem;
}

.master-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
}
.master-links a {
    display: block;
    padding: 0.75rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-weight: 500;
}
.master-links a:hover {
    border-color: var(--accent);
    text-decoration: none;
}