:root {
  color-scheme: light;
  --bg: #e9f4f6;
  --surface: #ffffff;
  --line: #cfe0e6;
  --text: #062247;
  --muted: #66789a;
  --primary: #16736e;
  --primary-strong: #0f5d58;
  --header: #2f9aaa;
  --header-dark: #26899a;
  --tab-bg: #eef7fb;
  --accent: #b45b38;
  --warning: #a64721;
  --soft: #e7f3f8;
  --draft: #fff5d7;
  --confirmed: #e0f4ed;
  --changed: #e8edff;
  --cancelled: #eeeeee;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Yu Gothic", "Meiryo", system-ui, sans-serif;
  font-size: 15px;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-header {
  min-height: 168px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 28px 24px;
  background: linear-gradient(180deg, var(--header) 0%, var(--header-dark) 100%);
  border-bottom: 1px solid #1d7888;
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, .2);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  color: #fff;
  font-size: 30px;
  line-height: 1.2;
  font-weight: 800;
}

h2 {
  font-size: 21px;
  color: var(--text);
}

h3 {
  font-size: 16px;
  margin: 0;
}

.eyebrow {
  color: rgba(255, 255, 255, .92);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 8px;
}

.session-panel,
.toolbar,
.actions,
.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.session-panel {
  justify-content: flex-end;
  align-items: end;
}

.session-panel label {
  color: #fff;
  font-weight: 700;
}

.session-panel select {
  width: 170px;
  min-height: 42px;
  border: 0;
  background: #eaf3ff;
  color: var(--text);
  font-weight: 700;
}

.session-panel select#companySelect {
  width: 190px;
}

.portal-note {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid #cfe0e6;
  border-radius: 6px;
  background: #f4fafc;
  color: var(--muted);
}

.portal-note strong {
  color: var(--text);
}

.period-picker,
.calendar-nav-stack {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding-top: 6px;
}

.period-picker input[type="month"],
.period-picker input[type="date"],
.weekly-toolbar input[type="date"] {
  width: 145px;
  height: 46px;
  text-align: center;
}

.calendar-nav-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.calendar-nav-actions .icon-button {
  width: 40px;
  height: 40px;
}

.today-button {
  width: 48px;
  height: 40px;
  padding: 0;
  border-color: #0f1f2f;
  color: #0f1f2f;
  background: #fff;
}

.weekly-toolbar {
  display: flex;
  align-items: flex-end;
  gap: 14px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 14px;
  border-radius: 6px;
  background: rgba(255, 255, 255, .18);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

.layout {
  display: block;
  min-height: calc(100vh - 168px);
  background: linear-gradient(180deg, #dff0f4 0%, #f5fbfd 70%);
}

.sidebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-right: 0;
  border-top: 1px solid rgba(255, 255, 255, .55);
  border-bottom: 1px solid var(--line);
  background: var(--tab-bg);
  overflow-x: auto;
}

.nav-button {
  width: auto;
  min-height: 42px;
  margin-bottom: 0;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  text-align: center;
  padding: 8px 14px;
  cursor: pointer;
  white-space: nowrap;
  font-weight: 700;
}

.nav-button:hover,
.nav-button.active {
  background: var(--surface);
  border-color: var(--line);
  box-shadow: 0 1px 0 rgba(3, 47, 78, .04);
}

.content {
  padding: 26px 28px 34px;
  min-width: 0;
  background: var(--surface);
  border-top: 0;
  box-shadow: 0 -1px 0 rgba(255, 255, 255, .5);
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 22px;
}

.panel-heading p {
  color: var(--muted);
  margin-top: 5px;
}

.operation-label {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 8px;
}

.operation-label.create {
  background: #e0f4ed;
  color: var(--primary-strong);
}

.operation-label.change {
  background: #fff4e8;
  color: #985123;
}

.panel-create .form-grid {
  border-left: 5px solid var(--primary);
}

.panel-change .form-grid {
  border-left: 5px solid #c86c2f;
}

.edit-notice {
  border: 1px solid #f0c89d;
  border-left: 5px solid #c86c2f;
  border-radius: 6px;
  background: #fff8ef;
  color: #7d451d;
  padding: 10px 12px;
  margin-bottom: 12px;
}

.edit-notice.ready {
  border-color: #b8dacc;
  border-left-color: var(--primary);
  background: #eef8f4;
  color: var(--primary-strong);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px 20px;
  margin-bottom: 16px;
}

label,
fieldset {
  display: grid;
  gap: 6px;
  color: var(--muted);
}

fieldset {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.check-row label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #c7dbe4;
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  padding: 9px 10px;
}

input[type="checkbox"] {
  width: auto;
}

#dataBackupText {
  font-family: Consolas, "Courier New", monospace;
  line-height: 1.45;
  resize: vertical;
}

.wide {
  grid-column: 1 / -1;
}

button {
  border: 1px solid #c7dbe4;
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  min-height: 38px;
  padding: 8px 14px;
  cursor: pointer;
}

button.primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

button.danger {
  border-color: #b93e32;
  background: #b93e32;
  color: #fff;
}

button:disabled {
  cursor: not-allowed;
  opacity: .55;
}

.icon-button {
  width: 38px;
  padding: 0;
  font-size: 24px;
  line-height: 1;
}

.segmented {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid #c7dbe4;
  border-radius: 6px;
  overflow: hidden;
}

.segmented button {
  border: 0;
  border-radius: 0;
}

.segmented button.active {
  background: var(--primary);
  color: #fff;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--line);
}

th,
td {
  min-width: 118px;
  border: 1px solid var(--line);
  padding: 10px;
  vertical-align: top;
  text-align: left;
}

th {
  background: #f2f7fa;
  position: sticky;
  top: 0;
  z-index: 1;
}

.cell-item {
  position: relative;
  overflow: hidden;
  border: 1px solid #d4e8e1;
  background: #f2fbf7;
  padding: 11px 12px 12px;
  margin-bottom: 7px;
  border-radius: 7px;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(6, 34, 71, .04);
  transition: background-color .12s ease, box-shadow .12s ease, border-color .12s ease;
}

.cell-item:hover {
  background: #edf8f4;
  border-color: #b7dcd0;
  box-shadow: 0 4px 12px rgba(6, 34, 71, .09);
}

.cell-item strong {
  display: block;
  color: #062247;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 6px;
}

.cell-item .work-content {
  color: #244154;
  font-size: 13px;
  line-height: 1.35;
  word-break: break-word;
}

.cell-item.draft {
  background: #fff9e8;
  border-color: #ead895;
}

.cell-item.confirmed {
  background: #f2fbf7;
  border-color: #c5e5d9;
}

.cell-item.changed {
  background: #f4f6ff;
  border-color: #cbd4f5;
}

.cell-item.cancelled {
  background: #f3f4f4;
  border-color: #d3d7d7;
  color: #6b6f6c;
}

.today-cell {
  box-shadow: inset 0 0 0 2px #2f9aaa;
}

.unavailable-item {
  background: #fff1eb;
  border-left: 4px solid #b93e32;
  border-radius: 6px;
  color: #8d2f25;
  font-weight: 700;
  margin-bottom: 6px;
  padding: 7px 8px;
}

.inactive-label {
  color: #9aa8bd;
  font-size: 12px;
  font-weight: 700;
  margin-top: 3px;
}

.meta {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.month-calendar {
  table-layout: fixed;
}

.month-calendar th,
.month-calendar td {
  min-width: 132px;
}

.month-day {
  height: 148px;
}

.muted-day {
  background: #f0f2ef;
  color: #8b948f;
}

.date-label {
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 8px;
}

.row-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  min-width: 210px;
}

.row-actions button {
  min-height: 32px;
  padding: 5px 10px;
}

.list-toolbar {
  display: flex;
  justify-content: flex-end;
  margin: -4px 0 10px;
}

.list-toolbar label {
  align-items: center;
  color: var(--muted);
  display: inline-flex;
  gap: 6px;
}

tr.editing-row td,
tr.editing-row th {
  background: #fff8d9;
}

tr.editing-row td:first-child {
  border-left: 4px solid #c99318;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.stat-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f7fbfc;
  padding: 12px;
}

.stat-card span {
  color: var(--muted);
  display: block;
  font-size: 12px;
  margin-bottom: 6px;
}

.stat-card strong {
  color: var(--text);
  font-size: 24px;
}

.bulk-result {
  display: grid;
  gap: 16px;
}

.result-summary {
  align-items: center;
  background: #f7fbfc;
  border: 1px solid var(--line);
  border-radius: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px;
}

.result-summary div {
  min-width: 120px;
}

.result-summary span {
  color: var(--muted);
  display: block;
  font-size: 12px;
  margin-bottom: 2px;
}

.result-summary strong {
  font-size: 22px;
  margin-right: 2px;
}

.result-columns {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.result-columns section {
  display: grid;
  gap: 10px;
}

.warning-list {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.warning {
  border: 1px solid #efc7b8;
  background: #fff1eb;
  color: var(--warning);
  border-radius: 8px;
  padding: 10px 12px;
}

.result-text {
  color: var(--primary-strong);
}

.empty {
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 22px;
  color: var(--muted);
}

@media (max-width: 860px) {
  .app-header,
  .panel-heading {
    flex-direction: column;
    align-items: stretch;
  }

  .layout {
    display: block;
  }

  .sidebar {
    display: flex;
    border-bottom: 1px solid var(--line);
  }

  .nav-button {
    margin: 0;
  }

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

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

@media print {
  .app-header,
  .sidebar,
  .toolbar,
  form,
  .nav-button {
    display: none !important;
  }

  .layout,
  .content,
  .panel.active {
    display: block;
    padding: 0;
  }
}