:root {
  --color-bg: #f5f6f4;
  --color-surface: #ffffff;
  --color-text: #1f2a24;
  --color-text-muted: #667a70;
  --color-primary: #2f6f4f;
  --color-primary-dark: #24563e;
  --color-border: #e1e5e0;
  --color-green: #2f8f4f;
  --color-green-bg: #e6f4ea;
  --color-yellow: #b8860b;
  --color-yellow-bg: #fff6df;
  --color-red: #c0392b;
  --color-red-bg: #fdecea;
  --color-grey: #6b7280;
  --color-grey-bg: #eef0f2;
  --radius: 14px;
  --header-height: 56px;
  --tabbar-height: 64px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

[x-cloak] { display: none !important; }

.app-shell { min-height: 100vh; }

.auth-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  gap: 12px;
}

.auth-screen h1 { font-size: 1.8rem; margin-bottom: 4px; }
.subtitle { color: var(--color-text-muted); margin-top: 0; }

.auth-screen form { display: flex; flex-direction: column; gap: 12px; width: 100%; max-width: 320px; }

input[type="password"], input[type="text"], input[type="time"], input[type="number"], textarea, select {
  font-size: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  width: 100%;
}

textarea { resize: vertical; min-height: 44px; font-family: inherit; }

button {
  font-size: 16px;
  padding: 12px 16px;
  border-radius: 10px;
  border: none;
  background: var(--color-primary);
  color: white;
  cursor: pointer;
}
button:active { background: var(--color-primary-dark); }

.error { color: var(--color-red); font-size: 0.9rem; min-height: 1.2em; }

.name-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  width: 100%;
  max-width: 360px;
}
.name-btn {
  padding: 20px 8px;
  font-size: 1.1rem;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.name-btn:active { background: var(--color-primary); color: white; }

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

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.header-right { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; }
.link-btn { background: none; color: var(--color-primary); padding: 4px 8px; font-size: 0.85rem; }

.tab-content {
  flex: 1;
  padding: 12px 12px calc(var(--tabbar-height) + 16px);
  max-width: 640px;
  margin: 0 auto;
  width: 100%;
}

.section-title { font-size: 1.1rem; margin: 20px 0 10px; }

.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 14px;
  margin-bottom: 12px;
}

.shift-card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 4px;
}
.shift-time { font-weight: 600; color: var(--color-primary); }
.shift-name { color: var(--color-text-muted); font-size: 0.95rem; }
.shift-assignee { margin-bottom: 10px; }

.checklist-group { margin-top: 8px; }
.checklist-label { font-size: 0.8rem; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 4px; }
.checklist-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 4px;
  border-bottom: 1px solid var(--color-border);
  font-size: 1rem;
}
.checklist-row:last-child { border-bottom: none; }
.checklist-row input[type="checkbox"] { width: 22px; height: 22px; flex-shrink: 0; }
.checklist-row.done span { text-decoration: line-through; color: var(--color-text-muted); }
.checklist-row small { margin-left: auto; color: var(--color-green); font-size: 0.75rem; white-space: nowrap; }

.task-card { display: flex; flex-direction: column; gap: 8px; }
.task-actions { display: flex; justify-content: flex-end; align-items: center; gap: 8px; }
.task-status { display: flex; align-items: center; gap: 8px; }
.claim-btn { padding: 10px 16px; font-size: 0.95rem; }
.claim-btn.small { padding: 6px 12px; font-size: 0.85rem; }

.add-task-form, .add-row-form {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.add-task-form input, .add-row-form input { flex: 1; }
.add-task-form button, .add-row-form button { width: 48px; flex-shrink: 0; }

.progress-summary { margin-bottom: 16px; }
.progress-bar-outer {
  height: 12px;
  border-radius: 8px;
  background: var(--color-grey-bg);
  overflow: hidden;
  margin-bottom: 6px;
}
.progress-bar-inner {
  height: 100%;
  background: var(--color-green);
  transition: width 0.3s ease;
}
.progress-summary span { font-size: 0.9rem; color: var(--color-text-muted); }

.area-card { cursor: pointer; }
.area-card-header { display: flex; justify-content: space-between; align-items: center; }
.area-name { font-weight: 600; }
.area-percent { font-variant-numeric: tabular-nums; color: var(--color-text-muted); }
.area-sub { font-size: 0.9rem; color: var(--color-text-muted); margin: 4px 0 8px; }

.area-edit {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--color-border);
  padding-top: 10px;
}
.percent-presets { display: flex; gap: 6px; }
.percent-presets button { flex: 1; background: var(--color-grey-bg); color: var(--color-text); padding: 8px 0; font-size: 0.85rem; }
.percent-presets button.active { background: var(--color-primary); color: white; }
.area-edit label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--color-text-muted); }

/* status coloring, applied on .card */
.status-done { border-left: 5px solid var(--color-green); background: var(--color-green-bg); }
.status-in_progress { border-left: 5px solid var(--color-yellow); background: var(--color-yellow-bg); }
.status-waiting { border-left: 5px solid var(--color-grey); }
.status-overdue { border-left: 5px solid var(--color-red); background: var(--color-red-bg); }

.admin-section { margin-bottom: 14px; }
.accordion-toggle {
  width: 100%;
  text-align: left;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  justify-content: space-between;
}
.accordion-body { padding: 10px 4px; }
.admin-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.admin-row-wide { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.admin-row-wide input, .admin-row-wide select { flex: 1; min-width: 100px; }
.danger-btn { background: var(--color-red); flex-shrink: 0; }
.admin-template { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 10px; margin-bottom: 10px; background: var(--color-surface); }
.template-items { margin: 8px 0; }
.phase-tag { font-size: 0.7rem; text-transform: uppercase; color: var(--color-text-muted); width: 52px; flex-shrink: 0; }

.tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--tabbar-height);
  display: flex;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 10;
}
.tab-bar button {
  flex: 1;
  background: none;
  color: var(--color-text-muted);
  border-radius: 0;
  font-size: 0.75rem;
  line-height: 1.4;
  padding: 6px 0;
}
.tab-bar button.active { color: var(--color-primary); font-weight: 600; }

@media (min-width: 640px) {
  .name-grid { grid-template-columns: 1fr 1fr 1fr; }
}