:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --surface-soft: #fbfbfa;
  --text: #1f2320;
  --muted: #68645f;
  --border: #ddd9d2;
  --border-strong: #c8c2b8;
  --primary: #0f766e;
  --primary-dark: #0b5f59;
  --danger: #b91c1c;
  --warning: #a16207;
  --ok: #0f766e;
  --focus: rgba(15, 118, 110, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  min-height: 36px;
  padding: 7px 12px;
}

button:hover {
  border-color: var(--muted);
}

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

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

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

select {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 6px 9px;
}

input[type="datetime-local"] {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 6px 9px;
}

select:focus,
button:focus,
input:focus {
  outline: 3px solid var(--focus);
  outline-offset: 1px;
}

.boot {
  padding: 32px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar h1 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
}

.topbar p {
  margin: 3px 0 0;
  color: var(--muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
}

.nav-link:hover {
  border-color: var(--border-strong);
}

.nav-link.active {
  background: var(--surface-soft);
  border-color: var(--border-strong);
}

.page {
  max-width: 1360px;
  margin: 0 auto;
  padding: 24px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
  align-items: start;
}

.survey-shell {
  max-width: 980px;
  margin: 0 auto;
}

.stack {
  display: grid;
  gap: 16px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  margin: 0;
  font-size: 16px;
}

.panel-header p {
  margin: 0;
  color: var(--muted);
}

.panel-body {
  padding: 16px 18px;
}

.survey-title {
  margin-bottom: 14px;
}

.survey-title h2 {
  margin: 0;
  font-size: 16px;
}

.survey-title p {
  margin: 0;
  color: var(--muted);
}

.login {
  width: min(440px, calc(100vw - 32px));
  margin: 72px auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}

.login h1 {
  margin: 0 0 8px;
  font-size: 22px;
}

.login p {
  margin: 0 0 18px;
  color: var(--muted);
}

.login-actions {
  display: grid;
  gap: 10px;
}

.attendance {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.option-row,
.event-row {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-soft);
}

.option-row input,
.event-row input {
  margin-top: 3px;
}

.option-row > span,
.event-row > span {
  min-width: 0;
}

.option-title,
.event-title {
  display: block;
  font-weight: 700;
}

.option-note,
.event-meta,
.muted {
  display: block;
  color: var(--muted);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.scenario {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.scenario h3 {
  margin: 0;
  padding: 12px 14px;
  font-size: 15px;
  background: var(--surface-soft);
  border-bottom: 1px solid var(--border);
}

.event-list {
  display: grid;
  gap: 8px;
  padding: 12px;
}

.partner-box {
  display: grid;
  gap: 6px;
  margin-top: -2px;
  padding: 0 12px 10px 42px;
}

.partner-box label {
  font-weight: 700;
}

.role-options {
  display: grid;
  gap: 7px;
  padding: 0 12px 10px 42px;
}

.sub-option-row {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.survey-step-actions {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 12px;
}

.selection-meter {
  color: var(--muted);
  margin-bottom: 10px;
}

.done-box {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-soft);
  padding: 14px;
}

.submitted-grid {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.submitted-scenario h3 {
  margin: 0 0 6px;
  font-size: 14px;
}

.submitted-choice,
.choice-line {
  padding: 5px 0;
}

.save-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
}

.message {
  min-height: 20px;
  color: var(--muted);
}

.message.error {
  color: var(--danger);
}

.message.ok {
  color: var(--ok);
}

.notice,
.status-box {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-soft);
  padding: 10px 12px;
  margin-bottom: 14px;
}

.status-box.closed {
  border-color: #dfb4a9;
  background: #fff8f6;
}

.inline-counts {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-soft);
}

.inline-counts summary {
  cursor: pointer;
  font-weight: 700;
  padding: 10px 12px;
}

.inline-counts .counts {
  padding: 0 12px 12px;
}

.counts {
  display: grid;
  gap: 12px;
}

.count-group h3 {
  margin: 0 0 7px;
  font-size: 14px;
}

.count-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
}

.count-row:last-child {
  border-bottom: 0;
}

.count-value {
  font-variant-numeric: tabular-nums;
}

.over {
  color: var(--danger);
  font-weight: 700;
}

.pending {
  color: var(--warning);
}

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

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  border-bottom: 1px solid var(--border);
  padding: 9px 10px;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 700;
  background: var(--surface-soft);
}

tr:last-child td {
  border-bottom: 0;
}

.nowrap {
  white-space: nowrap;
}

.cell-note {
  color: var(--muted);
  margin-top: 2px;
}

.admin-section {
  display: grid;
  gap: 18px;
}

.admin-controls {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) auto;
  gap: 8px;
  align-items: start;
}

.admin-controls button {
  white-space: nowrap;
}

.board-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.board-summary .status-box {
  margin-bottom: 0;
}

.legend {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-settings {
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(180px, auto) auto;
  gap: 12px;
  align-items: end;
}

.admin-settings label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

.switch-row {
  display: flex !important;
  grid-template-columns: none;
  align-items: center;
  min-height: 36px;
}

.event-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  padding: 14px;
}

.event-column {
  min-height: 150px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-soft);
  overflow: hidden;
}

.event-column.drop-zone {
  background: #fffefa;
}

.event-column.over-capacity {
  background: #fff8ee;
  border-color: #d79b62;
}

.event-column.over-capacity .event-column-head {
  background: #fff3e8;
  border-bottom-color: #d79b62;
}

.event-column.drag-over {
  border-color: var(--primary);
  outline: 3px solid var(--focus);
}

.person-block.drag-over {
  border-color: var(--primary);
  outline: 3px solid var(--focus);
}

.event-column-head {
  padding: 11px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.event-column-head h3 {
  margin: 0;
  font-size: 14px;
}

.person-list {
  display: grid;
  gap: 7px;
  padding: 10px;
}

.pair-group {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  padding: 7px;
}

.pair-person-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.person-block,
.person-chip {
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}

.person-block {
  padding: 8px 9px;
  cursor: default;
  user-select: none;
}

.person-block[draggable="true"] {
  cursor: grab;
}

.pair-group .person-block {
  height: 100%;
}

.absent-block {
  background: #f8f7f4;
  border-style: dashed;
}

.person-main {
  font-weight: 700;
}

.person-sub {
  color: var(--muted);
  font-size: 12px;
}

.person-chip {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 4px 8px;
  font-size: 12px;
}

.tone-once {
  background: #ffffff;
}

.tone-twice {
  background: #eef7f4;
  border-color: #7db7a8;
}

.tone-many {
  background: #fff3e8;
  border-color: #d79b62;
}

.over-capacity-chip {
  background: #fff3e8;
  border-color: #d79b62;
}

.capacity-warning {
  color: var(--warning);
  font-weight: 700;
}

.sun-mark {
  box-shadow: inset 4px 0 0 #c58a15;
}

.rain-mark {
  box-shadow: inset 4px 0 0 #64748b;
}

.both-mark {
  box-shadow: inset 4px 0 0 var(--primary);
}

.unconfirmed {
  border-style: dashed;
}

.empty {
  color: var(--muted);
  padding: 6px 2px;
}

.muted-column {
  background: #f5f3ef;
}

.absent-column {
  background: #f7f4f1;
}

.unanswered-details {
  min-height: 150px;
}

.unanswered-details summary {
  cursor: pointer;
  padding: 11px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  font-weight: 700;
}

.unanswered-details summary .cell-note {
  float: right;
}

.unanswered-details:not([open]) summary {
  border-bottom: 0;
}

@media (max-width: 980px) {
  .layout,
  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .page {
    padding: 16px;
  }
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 16px;
  }

  .topbar > div,
  .topbar-actions,
  .topbar-actions a {
    width: 100%;
  }

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

  .topbar-actions a:last-child {
    grid-column: 1 / -1;
  }

  .topbar-actions button,
  .nav-link {
    justify-content: center;
    width: 100%;
  }

  .page {
    padding: 12px;
  }

  .panel-header,
  .save-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .panel-header,
  .panel-body {
    padding: 12px;
  }

  .option-row,
  .event-row {
    padding: 12px;
  }

  .partner-box,
  .role-options {
    padding-left: 34px;
    padding-right: 0;
  }

  .save-row button,
  .survey-step-actions button {
    width: 100%;
  }

  .event-board {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 10px;
  }

  .person-block {
    padding: 9px 10px;
  }

  .admin-controls {
    grid-template-columns: 1fr;
  }

  .admin-settings {
    grid-template-columns: 1fr;
  }
}