:root {
  --bg: #f6f7fb;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #d9dee8;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-soft: #dbeafe;
  --danger: #b91c1c;
  --danger-soft: #fee2e2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Yu Gothic UI", Meiryo, sans-serif;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
  font-weight: 500;
  padding: 9px 14px;
}

button:hover { background: var(--accent-dark); }

button.secondary {
  background: #eef2f7;
  color: var(--text);
}

button.secondary:hover { background: #e2e8f0; }

a.nav-link,
button.active {
  background: var(--accent);
  color: #ffffff;
}

a.nav-link {
  border-radius: 8px;
  display: inline-block;
  font-weight: 500;
  padding: 9px 14px;
  text-decoration: none;
}

a.nav-link:not(.active) {
  background: #eef2f7;
  color: var(--text);
}

a.nav-link:hover {
  background: var(--accent-dark);
  color: #ffffff;
}

button.danger {
  background: var(--danger-soft);
  color: var(--danger);
}

button.danger:hover { background: #fecaca; }

.app-header {
  align-items: center;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 18px;
  justify-content: space-between;
  padding: 22px 28px;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .04em;
  margin: 0 0 4px;
}

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

.lead {
  color: var(--muted);
  margin: 6px 0 0;
}

.app-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.project-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

main {
  padding: 22px 28px 44px;
}

.hidden {
  display: none;
}

.muted {
  color: var(--muted);
  margin: 6px 0 0;
}

.summary-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 18px;
}

.summary-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.summary-card {
  padding: 16px;
}

.summary-card span {
  color: var(--muted);
  display: block;
  font-size: 13px;
}

.summary-card strong {
  display: block;
  font-size: 24px;
  line-height: 1.2;
  margin-top: 4px;
}

.summary-card.primary {
  background: var(--accent-soft);
  border-color: #bfdbfe;
}

.panel {
  margin-bottom: 18px;
  padding: 16px;
}

h2 {
  font-size: 18px;
  margin: 0 0 12px;
}

.section-head {
  align-items: flex-start;
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
}

.section-head p {
  color: var(--muted);
  font-size: 13px;
  margin: 4px 0 0;
}

.case-detail {
  display: none;
}

.case-detail h2 {
  font-size: 22px;
  margin-bottom: 0;
}

.compact-list {
  display: grid;
  gap: 8px;
}

.compact-item {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  display: flex;
  gap: 12px;
  justify-content: space-between;
  padding: 10px 12px;
  text-decoration: none;
}

.compact-link:hover {
  background: #f8fafc;
}

.compact-item strong {
  display: block;
}

.compact-item span {
  color: var(--muted);
  display: block;
  font-size: 12px;
  margin-top: 2px;
}

.project-form,
.filters {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.project-form.hidden {
  display: none;
}

.case-create-form {
  border-top: 1px solid var(--line);
  margin-bottom: 14px;
  padding-top: 14px;
}

.project-info-form {
  grid-template-columns: minmax(0, 640px);
}

.project-info-form .wide {
  grid-column: auto;
}

.project-info-display {
  display: grid;
  gap: 0;
  margin: 0;
  max-width: 640px;
}

.project-info-display.hidden {
  display: none;
}

.project-info-display-row {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 12px;
  grid-template-columns: 140px minmax(0, 1fr);
  padding: 12px 0;
}

.project-info-display-row:first-child {
  border-top: 1px solid var(--line);
}

.project-info-display dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}

.project-info-display dd {
  margin: 0;
}

label {
  color: var(--muted);
  display: block;
  font-size: 12px;
  font-weight: 500;
}

input,
select {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  margin-top: 4px;
  padding: 9px 10px;
  width: 100%;
}

input:disabled,
select:disabled {
  background: #f8fafc;
  color: var(--text);
  opacity: 1;
}

.inline-input {
  margin-top: 0;
  min-width: 110px;
  padding: 6px 8px;
}

.inline-input.amount {
  text-align: right;
}

.editing-row td {
  background: #fff7ed;
}

.inline-worker-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  min-width: 220px;
}

.inline-worker-check {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  display: inline-flex;
  gap: 4px;
  padding: 4px 8px;
}

.inline-worker-check input {
  margin: 0;
  width: auto;
}

.wide {
  grid-column: span 2;
}

.form-actions {
  align-items: end;
  display: flex;
  gap: 8px;
}

.table-wrap {
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-top: 14px;
  overflow: auto;
}

table {
  border-collapse: collapse;
  font-size: 13px;
  min-width: 100%;
  width: max-content;
}

th,
td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  vertical-align: top;
  white-space: nowrap;
}

th {
  background: #eef2f7;
  position: sticky;
  text-align: left;
  top: 0;
  z-index: 1;
}

td.amount,
th.amount {
  text-align: right;
}

.summary-total-row td {
  background: #f8fafc;
  border-top: 2px solid var(--line);
  font-weight: 700;
}

.case-row {
  cursor: pointer;
}

.case-row:hover td {
  background: #f8fafc;
}

.case-row td:first-child {
  color: var(--accent);
  font-weight: 500;
  min-width: 280px;
}

.case-row a {
  color: var(--accent);
  text-decoration: none;
}

.case-row a:hover {
  text-decoration: underline;
}

.empty-row {
  color: var(--muted);
  text-align: center;
}

.row-actions {
  display: flex;
  gap: 6px;
}

.row-actions button {
  padding: 6px 9px;
}

.row-actions button[data-action="edit-day"],
.row-actions button[data-worker-action="edit"],
.row-actions button[data-waste-company-action="edit"],
.row-actions button[data-waste-item-action="edit"],
.row-actions button[data-waste-rate-action="edit"],
.row-actions button[data-waste-record-action="edit"],
.row-actions button[data-action="delete-day"],
.row-actions button[data-project-action="delete"],
.row-actions button[data-worker-action="delete"],
.row-actions button[data-waste-company-action="delete"],
.row-actions button[data-waste-item-action="delete"],
.row-actions button[data-waste-rate-action="delete"],
.row-actions button[data-waste-record-action="delete"] {
  background: transparent;
  border-radius: 0;
  color: var(--accent);
  padding: 0;
}

.row-actions button[data-action="delete-day"],
.row-actions button[data-project-action="delete"],
.row-actions button[data-worker-action="delete"],
.row-actions button[data-waste-company-action="delete"],
.row-actions button[data-waste-item-action="delete"],
.row-actions button[data-waste-rate-action="delete"],
.row-actions button[data-waste-record-action="delete"] {
  color: var(--danger);
}

.row-actions button[data-action="edit-day"]:hover,
.row-actions button[data-worker-action="edit"]:hover,
.row-actions button[data-waste-company-action="edit"]:hover,
.row-actions button[data-waste-item-action="edit"]:hover,
.row-actions button[data-waste-rate-action="edit"]:hover,
.row-actions button[data-waste-record-action="edit"]:hover,
.row-actions button[data-action="delete-day"]:hover,
.row-actions button[data-project-action="delete"]:hover,
.row-actions button[data-worker-action="delete"]:hover,
.row-actions button[data-waste-company-action="delete"]:hover,
.row-actions button[data-waste-item-action="delete"]:hover,
.row-actions button[data-waste-rate-action="delete"]:hover,
.row-actions button[data-waste-record-action="delete"]:hover {
  background: transparent;
  text-decoration: underline;
}

@media (max-width: 1040px) {
  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-form,
  .filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .app-header {
    align-items: stretch;
    flex-direction: column;
    padding: 18px 14px;
  }

  main {
    padding: 18px 14px 34px;
  }

  .summary-grid,
  .project-form,
  .filters {
    grid-template-columns: 1fr;
  }

  .project-info-display-row {
    gap: 4px;
    grid-template-columns: 1fr;
  }

  .wide {
    grid-column: auto;
  }
}