:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --line: #e2e8f0;
  --ink: #1e293b;
  --sub: #64748b;
  --muted: #94a3b8;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-soft: #eff6ff;
  --ok: #16a34a;
  --ok-soft: #f0fdf4;
  --ng: #dc2626;
  --ng-soft: #fef2f2;
  --warn: #d97706;
  --warn-soft: #fffbeb;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", "Hiragino Sans", "Meiryo", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 14px;
}

/* ---------------------------------------------------------------- header */

header {
  background: var(--ink);
  color: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
header h1 { margin: 0; font-size: 17px; }
header .env {
  font-size: 12px;
  color: #cbd5e1;
  border: 1px solid #475569;
  border-radius: 999px;
  padding: 2px 10px;
}
.timetravel { margin-left: auto; display: flex; align-items: center; gap: 8px; font-size: 12px; color: #cbd5e1; }
.timetravel input {
  background: #334155; border: 1px solid #475569; color: #fff;
  border-radius: 6px; padding: 4px 8px; font-size: 12px;
}
.timetravel button {
  background: transparent; border: 1px solid #475569; color: #cbd5e1;
  border-radius: 6px; padding: 4px 10px; cursor: pointer; font-size: 12px;
}
.timetravel button:hover { background: #334155; }

/* ---------------------------------------------------------------- layout */

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 20px;
  align-items: start;
}
@media (max-width: 900px) {
  .wrap { grid-template-columns: 1fr; }
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}
.card h2 { margin: 0 0 2px; font-size: 15px; }
.card .desc { color: var(--sub); font-size: 12px; margin: 0 0 14px; }

.section-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }

/* ---------------------------------------------------------------- forms */

label { display: block; font-size: 12px; color: var(--sub); margin: 10px 0 4px; }
input, select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 14px; font-family: inherit; background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
textarea { resize: vertical; min-height: 56px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > div { flex: 1; min-width: 130px; }
.field-error { color: var(--ng); font-size: 11px; margin-top: 3px; min-height: 0; }

button {
  font-family: inherit; font-size: 13px; cursor: pointer; border-radius: 8px;
  padding: 8px 16px; border: 1px solid transparent; transition: background .12s;
}
button.primary { background: var(--accent); color: #fff; }
button.primary:hover { background: var(--accent-dark); }
button.ghost { background: #fff; color: var(--accent); border-color: var(--accent); }
button.ghost:hover { background: var(--accent-soft); }
button.danger { background: #fff; color: var(--ng); border-color: #fecaca; }
button.danger:hover { background: var(--ng-soft); }
button.small { padding: 4px 10px; font-size: 12px; }
button:disabled { opacity: .45; cursor: not-allowed; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

/* ---------------------------------------------------------------- list */

.event-list { display: flex; flex-direction: column; gap: 8px; }
.event-item {
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
  cursor: pointer; background: #fff; text-align: left; width: 100%;
}
.event-item:hover { border-color: var(--accent); background: var(--accent-soft); }
.event-item.selected { border-color: var(--accent); background: var(--accent-soft); box-shadow: inset 3px 0 0 var(--accent); }
.event-item .title { font-weight: 600; font-size: 13px; display: block; }
.event-item .meta { font-size: 11px; color: var(--sub); display: flex; gap: 8px; flex-wrap: wrap; margin-top: 3px; }

.empty { color: var(--muted); font-size: 13px; text-align: center; padding: 24px 8px; }

/* ---------------------------------------------------------------- badges */

.badge {
  display: inline-block; font-size: 11px; padding: 1px 8px; border-radius: 999px;
  border: 1px solid var(--line); background: #f8fafc; color: var(--sub); white-space: nowrap;
}
.badge.draft { background: #f1f5f9; color: #475569; border-color: #cbd5e1; }
.badge.open { background: var(--ok-soft); color: var(--ok); border-color: #bbf7d0; }
.badge.closed { background: var(--warn-soft); color: var(--warn); border-color: #fde68a; }
.badge.held { background: var(--accent-soft); color: var(--accent); border-color: #bfdbfe; }
.badge.cancelled { background: var(--ng-soft); color: var(--ng); border-color: #fecaca; }
.badge.alert { background: var(--ng-soft); color: var(--ng); border-color: #fecaca; }

/* ---------------------------------------------------------------- detail */

.detail-head h2 { font-size: 18px; margin: 0 0 4px; }
.detail-head .sub { color: var(--sub); font-size: 12px; margin: 0; }

.meta-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px; margin-top: 16px;
}
.meta-grid div {
  background: #f8fafc; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px;
}
.meta-grid dt { font-size: 11px; color: var(--sub); margin: 0; }
.meta-grid dd { margin: 2px 0 0; font-size: 14px; font-weight: 600; }
.meta-grid dd small { font-weight: 400; color: var(--sub); font-size: 11px; }

.flow { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin: 4px 0 14px; }
.flow .node {
  border: 1px solid var(--line); border-radius: 999px; padding: 3px 12px;
  font-size: 12px; color: var(--muted); background: #fff;
}
.flow .node.current { border-color: var(--accent); background: var(--accent); color: #fff; font-weight: 600; }
.flow .node.done { border-color: #bfdbfe; background: var(--accent-soft); color: var(--accent); }
.flow .arrow { color: var(--muted); font-size: 11px; }

table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 13px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); }
th { font-size: 11px; color: var(--sub); font-weight: 600; background: #f8fafc; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.waitlisted td { background: #fffdf5; }

.quote {
  margin-top: 12px; border: 1px dashed var(--line); border-radius: 8px;
  padding: 10px 12px; background: #f8fafc; font-size: 13px;
}
.quote .line { display: flex; justify-content: space-between; }
.quote .line.total { font-weight: 700; font-size: 15px; border-top: 1px solid var(--line); margin-top: 6px; padding-top: 6px; }
.quote .tag { font-size: 11px; color: var(--ok); }

.notice {
  border-radius: 8px; padding: 10px 12px; font-size: 13px; margin-top: 12px;
  border: 1px solid var(--line); background: #f8fafc; color: var(--sub);
}
.notice.warn { background: var(--warn-soft); border-color: #fde68a; color: #92400e; }
.notice.error { background: var(--ng-soft); border-color: #fecaca; color: #991b1b; }

/* ---------------------------------------------------------------- toast */

#toasts {
  position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column;
  gap: 8px; z-index: 50; max-width: min(380px, calc(100vw - 32px));
}
.toast {
  border-radius: 10px; padding: 10px 14px; font-size: 13px; color: #fff;
  background: var(--ink); box-shadow: 0 6px 20px rgba(15, 23, 42, .18);
  animation: toast-in .18s ease-out;
}
.toast.ok { background: var(--ok); }
.toast.error { background: var(--ng); }
@keyframes toast-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

[hidden] { display: none !important; }

/* ================================================================ 認証・ヘッダ */

header .spacer { flex: 1; }
header nav { display: flex; align-items: center; gap: 8px; }
header nav button {
  background: transparent; border: 1px solid #475569; color: #e2e8f0;
  border-radius: 6px; padding: 5px 12px; font-size: 12px;
}
header nav button:hover { background: #334155; }
header nav button.active { background: var(--accent); border-color: var(--accent); color: #fff; }
header .who { font-size: 12px; color: #cbd5e1; display: flex; align-items: center; gap: 6px; }
header .who .role {
  font-size: 10px; border: 1px solid #475569; border-radius: 999px; padding: 0 6px;
}

/* ================================================================ モーダル */

.overlay {
  position: fixed; inset: 0; background: rgba(15, 23, 42, .55);
  display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 40;
}
.modal {
  background: #fff; border-radius: 14px; padding: 24px; width: min(420px, 100%);
  box-shadow: 0 20px 50px rgba(15, 23, 42, .25); max-height: 90vh; overflow-y: auto;
}
.modal h2 { margin: 0 0 4px; font-size: 17px; }
.modal .desc { color: var(--sub); font-size: 12px; margin: 0 0 12px; }
.tabs { display: flex; gap: 4px; margin-bottom: 6px; border-bottom: 1px solid var(--line); }
.tabs button {
  background: none; border: none; border-bottom: 2px solid transparent;
  padding: 8px 14px; color: var(--sub); font-size: 13px; border-radius: 0;
}
.tabs button.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

/* ================================================================ 売上 */

.stat-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px; margin: 4px 0 18px;
}
.stat {
  background: #f8fafc; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px;
}
.stat .label { font-size: 11px; color: var(--sub); }
.stat .value { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; margin-top: 2px; }
.stat .value small { font-size: 11px; font-weight: 400; color: var(--sub); }
.stat.accent { background: var(--accent-soft); border-color: #bfdbfe; }
.stat.accent .value { color: var(--accent); }
.stat.warn { background: var(--warn-soft); border-color: #fde68a; }
.stat.warn .value { color: var(--warn); }
.stat.ok { background: var(--ok-soft); border-color: #bbf7d0; }
.stat.ok .value { color: var(--ok); }

.chart { width: 100%; overflow-x: auto; }
.chart svg { display: block; min-width: 320px; }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--sub); margin-top: 6px; }
.legend span { display: flex; align-items: center; gap: 5px; }
.legend i { width: 11px; height: 11px; border-radius: 3px; display: inline-block; }

.filters { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 4px; }
.filters > div { min-width: 150px; }
.filters label { margin-top: 0; }

select.payment { padding: 3px 6px; font-size: 12px; border-radius: 6px; width: auto; }
select.payment.paid { background: var(--ok-soft); color: var(--ok); border-color: #bbf7d0; }
select.payment.unpaid { background: var(--warn-soft); color: var(--warn); border-color: #fde68a; }

.table-scroll { overflow-x: auto; }
.table-scroll table { min-width: 620px; }

.hint {
  font-size: 12px; color: var(--sub); background: #f8fafc;
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin-top: 12px;
}