/* ============================================================
   style.css — 共通スタイル
   使用ページ: index.html / timetable.html
============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f9f9f8;
  --surface: #ffffff;
  --border: #e5e5e3;
  --border-light: #f0f0ee;
  --text: #1a1a18;
  --text-secondary: #6b6b68;
  --text-tertiary: #b0b0ac;
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 14px;
  --shadow: 0 1px 4px rgba(0,0,0,.07);

  /* 曜日カラー */
  --mon: #dbeafe; --mon-t: #1e40af;
  --tue: #fce7f3; --tue-t: #9d174d;
  --wed: #dcfce7; --wed-t: #166534;
  --thu: #ffedd5; --thu-t: #9a3412;
  --fri: #fef9c3; --fri-t: #854d0e;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
}

/* ============================
   ヘッダー（共通）
============================ */
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 1rem;
  display: flex;
  align-items: center;
  height: 54px;
  position: sticky;
  top: 0;
  z-index: 50;
  gap: 10px;
}

.header-title {
  font-size: 16px;
  font-weight: 700;
  flex: 1;
}

/* ページ間ナビリンク */
.nav-page-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg);
  transition: background .13s, color .13s;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-page-link:hover { background: #dbeafe; color: #1e40af; border-color: #bfdbfe; }
.nav-page-link:active { background: #bfdbfe; }

/* ============================
   バッジ（予定管理）
============================ */
.badge { display: inline-block; font-size: 11px; padding: 3px 9px; border-radius: 20px; font-weight: 600; white-space: nowrap; }
.badge-宿題  { background: #ffedd5; color: #9a3412; }
.badge-提出  { background: #ffedd5; color: #9a3412; }
.badge-持ち物 { background: #dcfce7; color: #166534; }
.badge-テスト { background: #fee2e2; color: #991b1b; }
.badge-その他 { background: #f3f4f6; color: #374151; }
.badge-連絡  { background: #dbeafe; color: #1e40af; }

/* ============================
   予定管理
============================ */
.plan-main { max-width: 640px; margin: 0 auto; padding: 1.1rem 1rem 7rem; }

.plan-sub-view { display: none; }
.plan-sub-view.active { display: block; }

/* 予定管理タブ */
.view-toggle {
  display: flex;
  background: var(--bg);
  border-radius: var(--r-md);
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--border);
}
.view-btn {
  padding: 5px 13px;
  font-size: 12px;
  border: none;
  background: none;
  border-radius: var(--r-sm);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all .15s;
  -webkit-tap-highlight-color: transparent;
  font-weight: 500;
}
.view-btn.active {
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  box-shadow: var(--shadow);
}

.date-group { margin-bottom: 1.1rem; }
.date-label { font-size: 11px; font-weight: 700; color: var(--text-secondary); letter-spacing: .07em; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.today-tag  { font-size: 10px; background: #dbeafe; color: #1e40af; padding: 2px 8px; border-radius: 20px; font-weight: 700; letter-spacing: 0; }
.date-card  { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; }
.plan-row   { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--border-light); }
.plan-row:last-child { border-bottom: none; }
.plan-row .subject  { font-size: 14px; font-weight: 600; min-width: 52px; }
.plan-row .content  { font-size: 13px; color: var(--text-secondary); flex: 1; }

/* ログ */
.timeline { padding-left: 26px; position: relative; }
.timeline::before { content: ''; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 1.5px; background: var(--border); }
.tl-item  { position: relative; margin-bottom: 1.1rem; }
.tl-dot   { position: absolute; left: -21px; top: 4px; width: 10px; height: 10px; border-radius: 50%; border: 2px solid var(--bg); }
.dot-add { background: #166534; } .dot-edit { background: #1e40af; }
.dot-delete { background: #991b1b; } .dot-cleanup { background: #6b7280; }
.tl-time  { font-size: 11px; color: var(--text-tertiary); margin-bottom: 3px; }
.tl-card  { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md); padding: 10px 13px; }
.tl-type  { font-size: 11px; font-weight: 700; letter-spacing: .05em; margin-bottom: 3px; }
.type-add { color: #166534; } .type-edit { color: #1e40af; }
.type-delete { color: #991b1b; } .type-cleanup { color: #6b7280; }
.tl-detail { font-size: 13px; color: var(--text-secondary); line-height: 1.5; word-break: break-all; }

/* ============================
   時間割
============================ */
.tt-main { max-width: 720px; margin: 0 auto; padding: 1rem 0.75rem 5rem; display: flex; flex-direction: column; gap: 1rem; }

/* 週ナビ */
.week-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.week-nav button {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 5px 9px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-secondary);
  line-height: 1;
  font-weight: 500;
}
.week-nav button:active { background: var(--border); }
.week-nav .today-btn {
  background: #dbeafe;
  color: #1e40af;
  border-color: #bfdbfe;
  font-size: 12px;
  font-weight: 700;
}
.week-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 82px;
  text-align: center;
}

.today-banner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.today-dot { width: 8px; height: 8px; border-radius: 50%; background: #1e40af; flex-shrink: 0; }
.today-banner-text { font-size: 13px; color: var(--text-secondary); }
.today-banner-day  { font-weight: 700; color: var(--text); }

/* 曜日タブ */
.day-tabs { display: flex; gap: 4px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 5px; }
.day-tab {
  flex: 1; padding: 7px 4px;
  border: none; background: none; border-radius: var(--r-md);
  font-size: 12px; font-weight: 600; cursor: pointer; color: var(--text-secondary);
  transition: all .15s; display: flex; flex-direction: column; align-items: center; gap: 2px;
  position: relative;
}
.day-tab .tab-day  { font-size: 11px; font-weight: 700; }
.day-tab .tab-date { font-size: 10px; font-weight: 400; color: var(--text-tertiary); }
.day-tab.active { color: var(--text); box-shadow: var(--shadow); }
.day-tab.active.d-mon { background: var(--mon); color: var(--mon-t); }
.day-tab.active.d-tue { background: var(--tue); color: var(--tue-t); }
.day-tab.active.d-wed { background: var(--wed); color: var(--wed-t); }
.day-tab.active.d-thu { background: var(--thu); color: var(--thu-t); }
.day-tab.active.d-fri { background: var(--fri); color: var(--fri-t); }
.day-tab.is-today::after {
  content: '';
  position: absolute; top: 4px; right: 4px;
  width: 5px; height: 5px; border-radius: 50%;
  background: #1e40af;
}

/* 時間割カード */
.timetable-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; }
.tt-card-header {
  padding: 10px 14px 8px;
  border-bottom: 1px solid var(--border-light);
  display: flex; align-items: center; gap: 8px;
}
.tt-card-header-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.d-mon .tt-card-header-dot { background: var(--mon-t); }
.d-tue .tt-card-header-dot { background: var(--tue-t); }
.d-wed .tt-card-header-dot { background: var(--wed-t); }
.d-thu .tt-card-header-dot { background: var(--thu-t); }
.d-fri .tt-card-header-dot { background: var(--fri-t); }
.tt-card-header-title { font-size: 13px; font-weight: 700; }
.tt-card-header-date  { font-size: 12px; color: var(--text-secondary); margin-left: auto; }

.period-row {
  display: flex; align-items: flex-start;
  padding: 16px 14px; border-bottom: 1px solid var(--border-light); gap: 10px;
}
.period-row:last-child { border-bottom: none; }
.period-num { font-size: 11px; font-weight: 700; color: var(--text-tertiary); min-width: 16px; margin-top: 2px; text-align: center; }
.period-subject { font-size: 14px; font-weight: 700; min-width: 60px; flex-shrink: 0; }
.period-subject.empty { font-weight: 400; color: var(--text-tertiary); font-size: 13px; }
.period-right { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.items-row { display: flex; flex-wrap: wrap; gap: 4px; }
.item-tag { font-size: 11px; padding: 2px 8px; border-radius: 20px; background: var(--bg); border: 1px solid var(--border); color: var(--text-secondary); }

/* 課題バッジ（時間割内） */
.tt-badge { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 20px; font-weight: 600; white-space: nowrap; }
.tt-badge-宿題  { background: #ffedd5; color: #9a3412; }
.tt-badge-提出  { background: #fee2e2; color: #991b1b; }
.tt-badge-テスト { background: #fce7f3; color: #9d174d; }
.tt-badge-持ち物 { background: #dcfce7; color: #166534; }
.tt-badge-その他 { background: #f3f4f6; color: #374151; }
.tt-badge-連絡  { background: #dbeafe; color: #1e40af; }
.homework-row { display: flex; align-items: flex-start; gap: 5px; }
.homework-text { font-size: 12px; color: var(--text-secondary); flex: 1; line-height: 1.5; }

/* 課題まとめ */
.section-label { font-size: 11px; font-weight: 700; color: var(--text-secondary); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 6px; }
.homework-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; }
.hw-row { display: flex; align-items: flex-start; gap: 10px; padding: 11px 14px; border-bottom: 1px solid var(--border-light); }
.hw-row:last-child { border-bottom: none; }
.hw-subject { font-size: 13px; font-weight: 700; min-width: 56px; flex-shrink: 0; padding-top: 1px; }
.hw-content { font-size: 13px; color: var(--text-secondary); flex: 1; line-height: 1.5; }
.empty-hw   { text-align: center; padding: 1.5rem; color: var(--text-tertiary); font-size: 13px; }

/* 時間割編集モーダル内 */
.tt-edit-mode-tabs { display: flex; gap: 6px; }
.tt-mode-btn {
  flex: 1; padding: 9px; font-size: 13px; font-weight: 600;
  border: 1px solid var(--border); border-radius: var(--r-md);
  background: var(--bg); color: var(--text-secondary); cursor: pointer; transition: all .15s;
}
.tt-mode-btn.active { background: var(--text); color: #fff; border-color: var(--text); }

/* 上書きリスト行 */
.override-row { display: flex; align-items: center; gap: 8px; padding: 9px 10px; border: 1px solid var(--border); border-radius: var(--r-md); margin-bottom: 6px; background: var(--surface); }
.override-info { font-size: 13px; flex: 1; }
.override-del-btn { background: none; border: none; color: var(--text-tertiary); cursor: pointer; font-size: 15px; padding: 2px 5px; border-radius: var(--r-sm); }
.override-del-btn:active { background: var(--bg); }
.override-badge-holiday { background: #fee2e2; color: #991b1b; font-size: 11px; padding: 2px 8px; border-radius: 20px; font-weight: 600; }
.override-badge-change  { background: #dbeafe; color: #1e40af; font-size: 11px; padding: 2px 8px; border-radius: 20px; font-weight: 600; }

/* ============================
   FAB
============================ */
.fab-wrap { position: fixed; bottom: 1.5rem; right: 1.25rem; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; z-index: 100; }
.fab-overlay { display: none; position: fixed; inset: 0; z-index: 99; }
.fab-overlay.open { display: block; }
.fab-main { width: 54px; height: 54px; border-radius: 50%; background: var(--text); color: #fff; border: none; font-size: 22px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: transform .2s; box-shadow: 0 3px 14px rgba(0,0,0,.22); }
.fab-main.open { transform: rotate(45deg); }
.fab-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 9px; opacity: 0; pointer-events: none; transform: translateY(10px); transition: opacity .18s, transform .18s; }
.fab-actions.open { opacity: 1; pointer-events: all; transform: translateY(0); }
.fab-action { display: flex; align-items: center; gap: 9px; cursor: pointer; }
.fab-label  { font-size: 13px; font-weight: 600; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md); padding: 6px 13px; color: var(--text); box-shadow: var(--shadow); }
.fab-btn    { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: 17px; cursor: pointer; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow); }

/* ============================
   モーダル（共通）
============================ */
.modal-bg { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.3); z-index: 200; align-items: flex-end; justify-content: center; }
@media (min-width: 520px) { .modal-bg { align-items: center; } }
.modal-bg.open { display: flex; }
.modal {
  background: var(--surface);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  padding: 1.25rem 1.1rem 2rem;
  width: 100%; max-height: 90vh; overflow-y: auto;
  box-shadow: 0 -4px 32px rgba(0,0,0,.13);
  animation: slideUp .22s ease;
}
@media (min-width: 520px) { .modal { border-radius: var(--r-lg); max-width: 460px; margin: 1rem; padding-bottom: 1.25rem; animation: none; } }
@keyframes slideUp { from { transform: translateY(40px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-handle { width: 36px; height: 4px; background: var(--border); border-radius: 2px; margin: 0 auto 1rem; display: block; }
@media (min-width: 520px) { .modal-handle { display: none; } }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.1rem; }
.modal-header h3 { font-size: 17px; font-weight: 700; }
.modal-close { background: none; border: none; font-size: 21px; cursor: pointer; color: var(--text-secondary); padding: 4px; line-height: 1; }

.field { margin-bottom: 0.85rem; }
.field label { display: block; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 5px; }
.field input, .field select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border);
  border-radius: var(--r-md); font-size: 16px;
  background: var(--bg); color: var(--text); outline: none; -webkit-appearance: none;
}
.field input:focus, .field select:focus { border-color: #888; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.btn-primary { background: var(--text); color: #fff; border: none; border-radius: var(--r-md); padding: 13px; font-size: 15px; font-weight: 600; cursor: pointer; width: 100%; margin-top: 6px; }
.btn-danger  { background: none; color: #991b1b; border: 1px solid #fca5a5; border-radius: var(--r-md); padding: 13px; font-size: 15px; cursor: pointer; width: 100%; margin-top: 6px; }
.modal-section-label { font-size: 11px; font-weight: 700; color: var(--text-secondary); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 8px; }
.success-bar { background: #dcfce7; color: #166534; border-radius: var(--r-sm); padding: 10px 13px; font-size: 13px; margin-bottom: 12px; display: none; }
.error-bar   { background: #fee2e2; color: #991b1b; border-radius: var(--r-sm); padding: 10px 13px; font-size: 13px; margin-bottom: 12px; display: none; }

.sel-list { max-height: 220px; overflow-y: auto; margin-bottom: 1rem; -webkit-overflow-scrolling: touch; }
.sel-item { display: flex; align-items: center; gap: 9px; padding: 11px 12px; border: 1px solid var(--border); border-radius: var(--r-md); margin-bottom: 6px; cursor: pointer; background: var(--surface); transition: border-color .13s; }
.sel-item:active { background: var(--bg); }
.sel-item.selected { border-color: var(--text); background: var(--bg); }
.sel-item .si-date    { font-size: 11px; color: var(--text-secondary); min-width: 76px; }
.sel-item .si-subject { font-size: 13px; font-weight: 600; min-width: 48px; }
.sel-item .si-content { font-size: 13px; color: var(--text-secondary); flex: 1; }
.del-confirm { background: var(--bg); border-radius: var(--r-md); padding: 13px; margin-top: 4px; display: none; }
.del-confirm p { font-size: 13px; color: var(--text-secondary); margin-bottom: 5px; }
.del-confirm strong { font-size: 14px; color: var(--text); display: block; margin-bottom: 12px; word-break: break-all; line-height: 1.4; }

/* カスタムカレンダー */
.cat-wrap { display: flex; flex-direction: column; gap: 6px; }
.date-wrap    { position: relative; }
.date-display { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--r-md); font-size: 15px; background: var(--bg); color: var(--text); cursor: pointer; display: flex; align-items: center; justify-content: space-between; user-select: none; }
.date-display:active { border-color: #888; }
.cal-pop { display: none; position: absolute; top: calc(100% + 5px); left: 0; z-index: 400; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 12px; width: 260px; box-shadow: 0 6px 24px rgba(0,0,0,.12); }
.cal-pop.open { display: block; }
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.cal-head span { font-size: 14px; font-weight: 700; }
.cal-nav-btn { background: none; border: none; cursor: pointer; color: var(--text-secondary); padding: 6px 10px; border-radius: var(--r-sm); font-size: 18px; }
.cal-nav-btn:active { background: var(--bg); }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.cal-dow  { font-size: 10px; color: var(--text-secondary); text-align: center; padding: 3px 0; font-weight: 600; }
.cal-day  { font-size: 13px; text-align: center; padding: 7px 2px; border-radius: var(--r-sm); cursor: pointer; color: var(--text); }
.cal-day:active:not(.dis):not(.emp) { background: var(--bg); }
.cal-day.tod { font-weight: 700; color: #1e40af; }
.cal-day.sel { background: var(--text); color: #fff !important; font-weight: 700; }
.cal-day.dis { color: var(--text-tertiary); cursor: default; }
.cal-day.emp { cursor: default; }

/* ============================
   共通メッセージ
============================ */
.loading   { text-align: center; padding: 2.5rem; color: var(--text-tertiary); font-size: 13px; }
.empty-msg { text-align: center; padding: 3rem 1rem; color: var(--text-tertiary); font-size: 14px; }
.error-msg { text-align: center; padding: 1.5rem; color: #991b1b; font-size: 13px; background: #fee2e2; border-radius: var(--r-md); }

.btn-primary:disabled, .btn-danger:disabled { opacity: 0.6; cursor: not-allowed; }
@keyframes spin { to { transform: rotate(360deg); } }
.spinner { width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.4); border-top-color: #fff; border-radius: 50%; animation: spin 0.7s linear infinite; flex-shrink: 0; }
.spinner-dark { border-color: rgba(0,0,0,0.2); border-top-color: var(--text); }

/* ============================
   ドロワー（共通）
============================ */
.drawer-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.32);
  z-index: 300;
}
.drawer-overlay.open { display: block; }

.drawer {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 220px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  z-index: 310;
  transform: translateX(-100%);
  transition: transform .22s ease;
  display: flex;
  flex-direction: column;
}
.drawer.open { transform: translateX(0); }

.drawer-header {
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--border-light);
}
.drawer-header .app-name {
  font-size: 15px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.01em;
}
.drawer-header .app-sub {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.drawer-nav {
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}
.drawer-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: var(--r-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: background .13s, color .13s;
  text-decoration: none;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.drawer-item .di-icon { font-size: 17px; flex-shrink: 0; }
.drawer-item:hover { background: var(--bg); }
.drawer-item.active { background: #dbeafe; color: #1e40af; }

.menu-btn {
  background: none;
  border: none;
  padding: 6px 8px;
  cursor: pointer;
  font-size: 20px;
  color: var(--text-secondary);
  line-height: 1;
  border-radius: var(--r-sm);
  flex-shrink: 0;
}
.menu-btn:active { background: var(--bg); }