/* ShiftsBoard カスタムスタイル */

:root {
  --color-primary: #4b53bc;
  --color-primary-dark: #3a41a0;
  --color-weekday: #ffffff;
  --color-saturday: #e3f2fd;
  --color-sunday: #ffebee;
  --color-holiday: #ffebee;
  --color-today: #fff9c4;
  --color-border: #e5e7eb;
  --color-text-muted: #6b7280;

  /* シフト勤務場所カラー（UI 表示用 / Graph API の theme とは独立）
     - 系統色は維持（青/ピンク/黄/緑）しつつ、彩度を抑えたパステル背景 + 濃い同系色文字で視認性を最適化
     - セル左端にアクセントバーを表示して土日祝背景との区別を強化 */
  --loc-telework-bg:     #dbeafe;  /* 薄青 */
  --loc-telework-text:   #1e3a8a;  /* 濃い青文字 */
  --loc-telework-accent: #2563eb;  /* 青アクセントバー */

  --loc-office-bg:       #fce7f3;  /* 薄ピンク */
  --loc-office-text:     #9d174d;  /* 濃いピンク文字 */
  --loc-office-accent:   #db2777;  /* ピンクアクセントバー */

  --loc-client-bg:       #fef9c3;  /* 薄黄 */
  --loc-client-text:     #854d0e;  /* 濃いオレンジ茶文字 */
  --loc-client-accent:   #eab308;  /* 黄色アクセントバー */

  --loc-off-bg:          #dcfce7;  /* 薄緑 */
  --loc-off-text:        #14532d;  /* 濃い緑文字 */
  --loc-off-accent:      #16a34a;  /* 緑アクセントバー */
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  background: #f9fafb;
  color: #111827;
  overscroll-behavior: none;
}

/* ==== Boot Loader ==== */
.boot-loader {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: #fff; z-index: 9999;
}
.boot-spinner {
  width: 48px; height: 48px;
  border: 4px solid #e5e7eb;
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.boot-text { margin-top: 16px; color: var(--color-text-muted); font-size: 14px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ==== Header ==== */
.app-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, #6366f1 100%);
  color: #fff;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky; top: 0; z-index: 50;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.app-header .logo { font-weight: 700; font-size: 18px; display: flex; align-items: center; gap: 8px; }
.app-header .user-info {
  display: flex; align-items: center; gap: 10px; font-size: 13px;
}
.user-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(255,255,255,0.25);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 13px;
}
.role-badge {
  padding: 2px 8px; border-radius: 10px;
  font-size: 11px; font-weight: 600;
  background: rgba(255,255,255,0.25);
}
.role-badge.admin { background: #f59e0b; }

/* ==== Scope Tabs (自分/全員) ==== */
.scope-tabs {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  padding: 0 12px;
  gap: 4px;
  position: sticky; top: 56px; z-index: 41;
}
.scope-tabs button {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  padding: 12px 22px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: #6b7280;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: -1px;
}
.scope-tabs button:hover { color: #111827; background: #f9fafb; }
.scope-tabs button.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  background: #fff;
}
.scope-tabs button i { font-size: 14px; }

/* ==== Group Filter ==== */
.toolbar .group-filter {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #f9fafb;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 2px 8px;
}
.toolbar .group-filter label {
  font-size: 13px;
  color: #6b7280;
  cursor: pointer;
}
.toolbar .group-filter select {
  border: none;
  background: transparent;
  font-size: 13px;
  font-weight: 500;
  padding: 4px 4px;
  cursor: pointer;
  outline: none;
  color: #111827;
}

/* 空メッセージ */
.empty-row {
  text-align: center;
  color: #9ca3af;
  padding: 32px 12px;
  font-size: 14px;
}

/* ==== Toolbar ==== */
.toolbar {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  position: sticky; top: 105px; z-index: 40;
}
.toolbar .nav-btns { display: flex; gap: 4px; }
.toolbar button {
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s;
  color: #374151;
}
.toolbar button:hover { background: #f3f4f6; }
.toolbar button.primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.toolbar button.primary:hover { background: var(--color-primary-dark); }
.toolbar button:disabled { opacity: 0.5; cursor: not-allowed; }
.toolbar .period-label {
  font-weight: 600; font-size: 16px; flex: 1; text-align: center;
  min-width: 180px;
}
.toolbar .view-tabs { display: flex; background: #f3f4f6; border-radius: 8px; padding: 2px; }
.toolbar .view-tabs button {
  border: none; background: transparent; padding: 6px 14px;
  border-radius: 6px; font-size: 13px; font-weight: 500;
}
.toolbar .view-tabs button.active {
  background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,0.1); color: var(--color-primary);
}

/* ==== Calendar Table ==== */
.calendar-wrapper { padding: 12px; overflow-x: auto; }
.calendar-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  min-width: 720px;
}
.calendar-table th, .calendar-table td {
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  padding: 0;
  vertical-align: middle;
  text-align: center;
  font-size: 13px;
}
.calendar-table th:last-child, .calendar-table td:last-child { border-right: none; }
.calendar-table thead th {
  background: #f9fafb;
  padding: 8px 4px;
  font-weight: 600;
  font-size: 12px;
  position: sticky; top: 0; z-index: 2;
}
.calendar-table .member-col {
  background: #f9fafb;
  text-align: left;
  padding: 10px 12px;
  min-width: 140px;
  max-width: 200px;
  font-weight: 500;
  position: sticky; left: 0; z-index: 1;
  border-right: 2px solid var(--color-border);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.calendar-table thead .member-col { z-index: 3; }
.calendar-table .day-header-sat { background: var(--color-saturday); }
.calendar-table .day-header-sun { background: var(--color-sunday); }
.calendar-table .day-header-holiday { background: var(--color-holiday); }
.calendar-table .day-header-today { box-shadow: inset 0 -3px 0 var(--color-primary); }

.calendar-table td.shift-cell {
  min-width: 96px; height: 56px;
  cursor: pointer;
  position: relative;
  transition: background 0.1s;
}
.calendar-table td.shift-cell.sat { background: var(--color-saturday); }
.calendar-table td.shift-cell.sun { background: var(--color-sunday); }
.calendar-table td.shift-cell.holiday { background: var(--color-holiday); }
.calendar-table td.shift-cell.today { box-shadow: inset 0 0 0 2px var(--color-primary); }
.calendar-table td.shift-cell:hover:not(.readonly) { background: #eef2ff; }
.calendar-table td.shift-cell.readonly { cursor: default; }

/* シフトが入っているセルは勤務種別の色で塗りつぶす（土日祝の薄色より優先）
   - パステル背景 + 同系色の濃い文字で視認性を確保
   - 左端のアクセントバー（4pxの inset shadow）で系統色を強調 */
.calendar-table td.shift-cell.loc-telework {
  background: var(--loc-telework-bg);
  color: var(--loc-telework-text);
  box-shadow: inset 4px 0 0 var(--loc-telework-accent);
}
.calendar-table td.shift-cell.loc-office {
  background: var(--loc-office-bg);
  color: var(--loc-office-text);
  box-shadow: inset 4px 0 0 var(--loc-office-accent);
}
.calendar-table td.shift-cell.loc-client {
  background: var(--loc-client-bg);
  color: var(--loc-client-text);
  box-shadow: inset 4px 0 0 var(--loc-client-accent);
}
.calendar-table td.shift-cell.loc-off {
  background: var(--loc-off-bg);
  color: var(--loc-off-text);
  box-shadow: inset 4px 0 0 var(--loc-off-accent);
}
/* today（今日マーカー）と勤務色が両方付くケースのために、両立する inset を維持 */
.calendar-table td.shift-cell.today.loc-telework { box-shadow: inset 4px 0 0 var(--loc-telework-accent), inset 0 0 0 2px var(--color-primary); }
.calendar-table td.shift-cell.today.loc-office   { box-shadow: inset 4px 0 0 var(--loc-office-accent),   inset 0 0 0 2px var(--color-primary); }
.calendar-table td.shift-cell.today.loc-client   { box-shadow: inset 4px 0 0 var(--loc-client-accent),   inset 0 0 0 2px var(--color-primary); }
.calendar-table td.shift-cell.today.loc-off      { box-shadow: inset 4px 0 0 var(--loc-off-accent),      inset 0 0 0 2px var(--color-primary); }
.calendar-table td.shift-cell.loc-telework:hover:not(.readonly),
.calendar-table td.shift-cell.loc-office:hover:not(.readonly),
.calendar-table td.shift-cell.loc-client:hover:not(.readonly),
.calendar-table td.shift-cell.loc-off:hover:not(.readonly) {
  filter: brightness(0.96);
}

.shift-cell .shift-content {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 6px 4px; gap: 2px; height: 100%;
}
.shift-content .shift-icon { font-size: 20px; line-height: 1; }
.shift-content .shift-label { font-size: 11px; font-weight: 500; }

.shift-badge {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 4px 8px; border-radius: 14px;
  font-size: 12px; font-weight: 500;
  gap: 4px;
}
.loc-telework { background: var(--loc-telework-bg); color: var(--loc-telework-text); border: 1px solid var(--loc-telework-accent); }
.loc-office   { background: var(--loc-office-bg);   color: var(--loc-office-text);   border: 1px solid var(--loc-office-accent); }
.loc-client   { background: var(--loc-client-bg);   color: var(--loc-client-text);   border: 1px solid var(--loc-client-accent); }
.loc-off      { background: var(--loc-off-bg);      color: var(--loc-off-text);      border: 1px solid var(--loc-off-accent); }

/* ==== Month View (Grid for a single user) ==== */
.month-view {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  overflow: hidden;
}
.month-view .member-header {
  padding: 12px 16px;
  background: #f9fafb;
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; gap: 12px;
}
.month-grid {
  display: grid; grid-template-columns: repeat(7, 1fr);
  gap: 1px; background: var(--color-border);
  padding: 1px;
}
.month-grid .dow-header {
  background: #f9fafb;
  padding: 8px 4px;
  text-align: center;
  font-weight: 600;
  font-size: 12px;
}
.month-grid .day-cell {
  background: #fff;
  min-height: 82px;
  padding: 6px;
  display: flex; flex-direction: column;
  cursor: pointer;
  position: relative;
  transition: background 0.1s;
}
.month-grid .day-cell.other-month { background: #fafafa; color: #bbb; cursor: default; }
.month-grid .day-cell.sat { background: var(--color-saturday); }
.month-grid .day-cell.sun { background: var(--color-sunday); }
.month-grid .day-cell.holiday { background: var(--color-holiday); }
.month-grid .day-cell.today { box-shadow: inset 0 0 0 2px var(--color-primary); }
.month-grid .day-cell:hover:not(.other-month):not(.readonly) { background: #eef2ff; }
.month-grid .day-cell.readonly { cursor: default; }
.day-number { font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.day-cell .shift-badge { font-size: 11px; padding: 2px 6px; }
.holiday-name {
  font-size: 9px; color: #b91c1c; margin-top: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ==== Member selector (for Admin: choose whose month view) ==== */
.member-selector {
  padding: 8px 12px; background: #f9fafb;
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; gap: 8px;
}
.member-selector select {
  padding: 6px 10px; border-radius: 6px;
  border: 1px solid var(--color-border); background: #fff;
  font-size: 14px; min-width: 200px;
}

/* ==== Popover ==== */
.popover-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center;
  z-index: 100; padding: 16px;
}
.popover {
  background: #fff; border-radius: 12px;
  max-width: 420px; width: 100%;
  max-height: 90vh; overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
  animation: popover-in 0.15s ease-out;
}
@keyframes popover-in { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
.popover-header {
  padding: 14px 18px; border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: space-between;
}
.popover-header h3 { margin: 0; font-size: 16px; font-weight: 600; }
.popover-header .close-btn {
  background: none; border: none; font-size: 20px;
  cursor: pointer; color: #6b7280; padding: 4px;
}
.popover-body { padding: 16px 18px; }
.popover-footer {
  padding: 12px 18px; border-top: 1px solid var(--color-border);
  display: flex; gap: 8px; justify-content: flex-end;
}
.popover-footer button {
  padding: 8px 16px; border-radius: 6px;
  border: 1px solid var(--color-border);
  background: #fff; cursor: pointer; font-size: 14px;
}
.popover-footer button.primary {
  background: var(--color-primary); color: #fff; border-color: var(--color-primary);
}
.popover-footer button.primary:hover { background: var(--color-primary-dark); }
.popover-footer button.danger {
  background: #ef4444; color: #fff; border-color: #ef4444;
}
.popover-footer button.danger:hover { background: #dc2626; }

.location-options {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 10px; margin-top: 8px;
}
.location-option {
  padding: 14px 10px; border: 2px solid var(--color-border);
  border-radius: 10px; text-align: center; cursor: pointer;
  background: #fff; transition: all 0.1s;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.location-option:hover { border-color: var(--color-primary); background: #f5f6ff; }
.location-option.selected { border-color: var(--color-primary); background: #eef2ff; }
.location-option .icon { font-size: 24px; }
.location-option .label { font-size: 13px; font-weight: 500; }

/* ==== Form inputs ==== */
.form-row { margin-bottom: 12px; }
.form-row label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 4px; color: #374151; }
.form-row input[type="date"],
.form-row input[type="text"],
.form-row select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 14px;
  background: #fff;
}
.form-row .help-text { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }

/* ==== Pattern table ==== */
.pattern-week-editor {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 8px;
  align-items: center;
}
.pattern-week-editor .dow-label { font-weight: 500; font-size: 14px; }
.pattern-week-editor select { padding: 6px 8px; border: 1px solid var(--color-border); border-radius: 6px; }

.pattern-list-item {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 8px;
  display: flex; align-items: center; justify-content: space-between;
  background: #fff;
}
.pattern-list-item .info { flex: 1; }
.pattern-list-item .name { font-weight: 600; font-size: 14px; }
.pattern-list-item .week-summary {
  display: flex; gap: 4px; margin-top: 4px; flex-wrap: wrap;
}
.pattern-list-item .actions { display: flex; gap: 6px; }
.pattern-list-item button {
  padding: 4px 10px; font-size: 12px; border-radius: 5px;
  border: 1px solid var(--color-border); background: #fff; cursor: pointer;
}
.pattern-list-item button.danger { color: #dc2626; border-color: #fecaca; }
.pattern-list-item button:hover { background: #f3f4f6; }

.dow-chip {
  display: inline-flex; align-items: center; gap: 3px;
  padding: 2px 6px; border-radius: 10px;
  background: #f3f4f6; font-size: 11px;
}

/* ==== Toasts / Notices ==== */
.toast-container {
  position: fixed; bottom: 20px; right: 20px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 1000; pointer-events: none;
}
.toast {
  background: #111827; color: #fff;
  padding: 10px 16px; border-radius: 8px;
  font-size: 14px; min-width: 200px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  animation: toast-in 0.2s ease-out;
  pointer-events: auto;
}
.toast.success { background: #059669; }
.toast.error { background: #dc2626; }
.toast.warn { background: #d97706; }
@keyframes toast-in { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* ==== Progress bar (一括登録) ==== */
.progress {
  width: 100%;
  height: 8px;
  background: #e5e7eb;
  border-radius: 4px;
  overflow: hidden;
  margin-top: 8px;
}
.progress > div {
  height: 100%;
  background: var(--color-primary);
  transition: width 0.2s;
}

/* ==== Login Screen ==== */
.login-screen {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 20px;
  background: linear-gradient(135deg, #4b53bc 0%, #6366f1 50%, #8b5cf6 100%);
  color: #fff;
}
.login-card {
  background: #fff; color: #111827;
  padding: 32px; border-radius: 16px;
  max-width: 420px; width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  text-align: center;
}
.login-card h1 { margin: 0 0 8px; font-size: 24px; }
.login-card p { color: var(--color-text-muted); margin: 0 0 24px; }
.login-card .login-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 28px; background: var(--color-primary); color: #fff;
  border: none; border-radius: 8px; font-size: 15px; font-weight: 500;
  cursor: pointer; transition: all 0.15s;
}
.login-card .login-btn:hover { background: var(--color-primary-dark); transform: translateY(-1px); }
.login-card .error-msg {
  background: #fee2e2; color: #991b1b;
  padding: 10px; border-radius: 6px;
  font-size: 13px; margin: 12px 0;
}

/* ==== Mobile Responsive ==== */
@media (max-width: 768px) {
  .app-header { padding: 10px 12px; }
  .app-header .logo { font-size: 15px; }
  .app-header .user-info .display-name { display: none; }

  .scope-tabs { top: 52px; padding: 0 8px; }
  .scope-tabs button { padding: 10px 16px; font-size: 14px; flex: 1; justify-content: center; }

  .toolbar { padding: 8px; gap: 6px; top: 97px; }
  .toolbar .period-label { font-size: 14px; min-width: auto; flex: 1 1 100%; order: -1; }
  .toolbar button { padding: 5px 10px; font-size: 13px; }
  .toolbar .view-tabs button { padding: 5px 10px; font-size: 12px; }
  .toolbar .group-filter { flex: 1 1 100%; order: 5; padding: 2px 6px; }
  .toolbar .group-filter select { flex: 1; width: 100%; font-size: 13px; }

  .calendar-wrapper { padding: 8px; }
  .calendar-table { min-width: 560px; font-size: 12px; }
  .calendar-table .member-col { min-width: 100px; max-width: 140px; padding: 8px 10px; font-size: 12px; }
  .calendar-table td.shift-cell { min-width: 64px; height: 48px; }
  .shift-content .shift-icon { font-size: 16px; }
  .shift-content .shift-label { font-size: 10px; }

  .month-grid .day-cell { min-height: 64px; padding: 4px; }
  .day-number { font-size: 12px; }
  .day-cell .shift-badge { font-size: 10px; padding: 1px 4px; }
  .day-cell .shift-badge .label-text { display: none; }

  .popover { max-width: 100%; border-radius: 12px 12px 0 0; margin-top: auto; align-self: flex-end; }
  .popover-backdrop { align-items: flex-end; padding: 0; }
  .location-options { grid-template-columns: repeat(2, 1fr); }
  .popover-footer { flex-wrap: wrap; }
  .popover-footer button { flex: 1; min-width: 80px; }

  .member-selector select { flex: 1; min-width: 0; }
}

/* ==== Loading overlay ==== */
.loading-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.3);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
}
.loading-overlay .spinner {
  width: 48px; height: 48px;
  border: 4px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.loading-overlay .text { color: #fff; margin-top: 12px; font-weight: 500; }
.loading-overlay .content { text-align: center; }

/* ==== Empty / Error States ==== */
.empty-state, .error-state {
  padding: 48px 24px;
  text-align: center;
  color: var(--color-text-muted);
}
.empty-state .icon, .error-state .icon { font-size: 48px; margin-bottom: 12px; }
.error-state { color: #991b1b; }

/* ==== Utility ==== */
.hidden { display: none !important; }
.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }
.text-sm { font-size: 13px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.gap-2 { gap: 8px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ==== Alert (一括登録の警告など) ==== */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 14px;
}
.alert i { font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.alert.alert-warn { background: #fef3c7; color: #92400e; border: 1px solid #fcd34d; }
.alert.alert-warn i { color: #d97706; }
.alert.alert-info { background: #dbeafe; color: #1e40af; border: 1px solid #93c5fd; }
.alert.alert-info i { color: #2563eb; }