* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  /* 明るめダークテーマ（旧 #0f1115 から大きく持ち上げ） */
  --bg: #1e2434;
  --panel: #2a3046;
  --panel-2: #353c55;
  --border: #4a5470;
  --text: #f5f7fb;
  --muted: #b6bdd0;
  --primary: #818cf8;
  --primary-hover: #a5b4fc;
  --success: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
}

body {
  font-family: 'Helvetica Neue', 'Hiragino Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 28px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { font-size: 1.6rem; }
.brand h1 { font-size: 1.4rem; font-weight: 700; }
.tagline { color: var(--muted); font-size: 0.85rem; }
.tenant-info { color: var(--muted); font-size: 0.9rem; }

/* レイアウト切替バー */
.layout-toggle-bar {
  display: flex; gap: 16px; flex-wrap: wrap; align-items: center;
  padding: 10px 30px; background: var(--panel);
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
}
.layout-toggle-bar label { cursor: pointer; user-select: none; display: flex; align-items: center; gap: 4px; }
.layout-toggle-bar input[type=checkbox] { transform: scale(1.1); margin-right: 2px; cursor: pointer; }
.topnav { display: flex; gap: 14px; }
.topnav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 4px 0;
}
.topnav a:hover { color: var(--text); }
.topnav a.active {
  color: var(--text);
  font-weight: 700;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 2px;
}

.grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 16px;
  padding: 16px;
  max-width: 1600px;
  margin: 0 auto;
}
@media (max-width: 1100px) { .grid { grid-template-columns: 1fr; } }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  min-height: 70vh;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.panel-head h2 { font-size: 1.05rem; font-weight: 600; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  border: 0;
  padding: 7px 14px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.86rem;
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.82rem;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text); }

.filters { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; }
.filter-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 16px;
  cursor: pointer;
  font-size: 0.78rem;
}
.filter-btn:hover { color: var(--text); }
.filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.task-list, .event-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; }

/* リスト/カンバン切替 */
.view-toggle {
  display: flex; gap: 0; border: 1px solid var(--border); border-radius: 6px; overflow: hidden;
}
.view-toggle button {
  background: transparent; color: var(--muted); border: 0;
  padding: 5px 12px; font-size: 0.78rem; cursor: pointer;
}
.view-toggle button.active { background: var(--primary); color: #fff; }

/* カンバン */
.kanban-board {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 8px; flex: 1; overflow: hidden; min-height: 0;
}
.kanban-col {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px;
  display: flex; flex-direction: column;
  overflow: hidden;
}
.kanban-col-head {
  font-size: 0.78rem; font-weight: 700;
  color: var(--muted); margin-bottom: 6px;
  display: flex; justify-content: space-between; align-items: center;
}
.kanban-col-head .count {
  background: var(--panel); padding: 1px 7px; border-radius: 9px;
  font-size: 0.7rem;
}
.kanban-col.drop-target { background: #21263a; }
.kanban-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; }
.kanban-card {
  background: var(--panel); border: 1px solid var(--border);
  border-left: 3px solid var(--muted);
  border-radius: 6px; padding: 8px 10px; cursor: grab;
  transition: transform 0.1s, box-shadow 0.1s;
}
.kanban-card:active { cursor: grabbing; }
.kanban-card.priority-high { border-left-color: var(--danger); }
.kanban-card.priority-low { border-left-color: var(--success); }
.kanban-card.dragging { opacity: 0.4; transform: scale(0.95); }
.kanban-card-title { font-weight: 600; font-size: 0.84rem; }
.kanban-card-meta { color: var(--muted); font-size: 0.7rem; margin-top: 3px; display: flex; gap: 8px; flex-wrap: wrap; }

.task-item {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--muted);
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
  transition: all 0.15s;
}
.task-item:hover { border-left-color: var(--primary); background: #21263a; }
.task-item.selected { border-left-color: var(--primary); background: #21263a; }
.task-item.priority-high { border-left-color: var(--danger); }
.task-item.priority-low { border-left-color: var(--success); }
.task-item.status-done { opacity: 0.5; }
.task-title { font-weight: 600; font-size: 0.95rem; }
.task-meta { color: var(--muted); font-size: 0.75rem; margin-top: 4px; display: flex; gap: 10px; flex-wrap: wrap; }
.task-actions { margin-top: 8px; display: flex; gap: 6px; }
.task-actions button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.72rem;
}
.task-actions button:hover { color: var(--text); border-color: var(--text); }
.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 600;
}
.status-todo { background: #374151; color: #d1d5db; }
.status-in_progress { background: #1e40af; color: #bfdbfe; }
.status-approval { background: #78350f; color: #fcd34d; }
.status-done { background: #065f46; color: #a7f3d0; }

.event-item {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}
.event-time { color: var(--primary); font-size: 0.78rem; font-weight: 600; }
.event-summary { font-weight: 600; margin-top: 3px; font-size: 0.9rem; }
.event-location { color: var(--muted); font-size: 0.75rem; margin-top: 3px; }

.chat-panel { display: flex; flex-direction: column; }
.chat-log { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; padding-bottom: 10px; }
.chat-msg {
  padding: 10px 12px;
  border-radius: 10px;
  max-width: 90%;
  font-size: 0.86rem;
  line-height: 1.5;
}
.chat-msg.user { background: var(--primary); color: #fff; align-self: flex-end; }
.chat-msg.ai { background: var(--panel-2); border: 1px solid var(--border); }
.chat-msg .author { font-weight: 600; margin-bottom: 4px; font-size: 0.78rem; opacity: 0.9; }
.chat-input { display: flex; gap: 6px; margin-top: 8px; }
.chat-input input { flex: 1; background: var(--panel-2); border: 1px solid var(--border); color: var(--text); padding: 8px 12px; border-radius: 6px; font-size: 0.9rem; }
.chat-input input:focus { outline: none; border-color: var(--primary); }
.task-context { font-size: 0.78rem; padding: 8px; border: 1px dashed var(--border); border-radius: 6px; margin-top: 8px; }
.muted { color: var(--muted); }

#resident-select {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.82rem;
}

.modal {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  width: min(90vw, 480px);
}
.modal::backdrop { background: rgba(0,0,0,0.6); }
.modal h3 { margin-bottom: 16px; }
.modal label { display: block; margin-bottom: 12px; font-size: 0.85rem; color: var(--muted); }
.modal label input, .modal label textarea, .modal label select {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 6px;
  margin-top: 4px;
  font-family: inherit;
  font-size: 0.9rem;
}
.modal-buttons { display: flex; gap: 10px; justify-content: flex-end; margin-top: 16px; }

/* 自前モーダル（dialog 要素の互換性問題回避） */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal-overlay.hidden { display: none; }
.modal-box {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  width: min(90vw, 480px);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-box h3 { margin-bottom: 16px; }
.modal-box label { display: block; margin-bottom: 12px; font-size: 0.85rem; color: var(--muted); }
.modal-box label input, .modal-box label textarea, .modal-box label select {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 6px;
  margin-top: 4px;
  font-family: inherit;
  font-size: 0.9rem;
}

.rag-panel, .drawings-panel {
  margin: 0 16px 16px;
  max-width: 1600px;
  margin-left: auto;
  margin-right: auto;
}
.rag-input { display: flex; gap: 6px; margin-bottom: 12px; }
.rag-input input {
  flex: 1;
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 9px 12px; border-radius: 6px; font-size: 0.9rem;
}
.rag-input input:focus { outline: none; border-color: var(--primary); }
.rag-answer {
  background: linear-gradient(135deg, #1e1b4b, #1e293b);
  border: 1px solid #4c1d95;
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 12px;
  font-size: 0.88rem;
  line-height: 1.6;
  white-space: pre-wrap;
}
.rag-answer.hidden { display: none; }
.rag-answer .answer-label { color: var(--primary-hover); font-weight: 700; font-size: 0.8rem; margin-bottom: 6px; }
.rag-answer .answer-files {
  margin-top: 10px; padding-top: 8px; border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.78rem; color: var(--muted);
}
.rag-answer .answer-files a { color: var(--primary-hover); text-decoration: underline; }
.rag-answer .answer-expanded {
  margin: 4px 0 10px;
  font-size: 0.74rem; color: var(--muted);
  display: flex; flex-wrap: wrap; gap: 4px; align-items: center;
}
.rag-answer .answer-expanded .qchip {
  background: rgba(129,140,248,0.18); border: 1px solid rgba(129,140,248,0.3);
  padding: 1px 8px; border-radius: 999px; font-size: 0.72rem; color: var(--text);
}
.rag-results { display: flex; flex-direction: column; gap: 10px; }
.rag-source-group { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 12px; }
.rag-source-head {
  display: flex; align-items: center; gap: 8px;
  font-weight: 600; margin-bottom: 8px; font-size: 0.86rem;
}
.rag-source-head .badge {
  background: var(--primary); color: #fff;
  padding: 1px 8px; border-radius: 10px; font-size: 0.72rem;
}
.rag-item {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 2px;
}
.rag-item:last-child { border-bottom: 0; }
.rag-item-title { font-weight: 600; font-size: 0.88rem; }
.rag-item-title a { color: var(--text); text-decoration: none; }
.rag-item-title a:hover { color: var(--primary-hover); text-decoration: underline; }
.rag-item-meta { color: var(--muted); font-size: 0.74rem; }
.rag-item-excerpt { color: var(--muted); font-size: 0.8rem; margin-top: 2px; }
.rag-error { color: var(--warn); font-size: 0.8rem; padding: 4px 0; }
.drawing-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}
.drawing-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.drawing-icon {
  font-size: 2rem;
  text-align: center;
  margin: 8px 0;
}
.drawing-title { font-weight: 600; font-size: 0.92rem; }
.drawing-meta { color: var(--muted); font-size: 0.74rem; }
.drawing-tags { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 4px; }
.drawing-tag {
  background: #2a3548;
  color: #93c5fd;
  padding: 1px 7px;
  border-radius: 8px;
  font-size: 0.68rem;
}
.drawing-actions { display: flex; gap: 6px; margin-top: 8px; }
.drawing-actions a, .drawing-actions button {
  flex: 1;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 4px;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  font-size: 0.72rem;
}
.drawing-actions a:hover, .drawing-actions button:hover { color: var(--text); border-color: var(--text); }

/* ===== Landing (新 home) ===== */
.landing {
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 32px 80px;
}
.landing-hero {
  text-align: center;
  margin-bottom: 56px;
}
.landing-title {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.landing-lead {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 24px;
}
.landing-status {
  display: inline-flex;
  gap: 16px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 8px 20px;
  font-size: 0.85rem;
}
.link-subtle {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.85rem;
}
.link-subtle:hover { color: var(--primary-hover); text-decoration: underline; }
.small { font-size: 0.78rem; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 720px) { .feature-grid { grid-template-columns: 1fr; } }

.feature-card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 26px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.feature-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(129, 140, 248, 0.15);
}
.feature-icon { font-size: 2.4rem; line-height: 1; margin-bottom: 12px; }
.feature-name { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.feature-desc { color: var(--muted); font-size: 0.88rem; line-height: 1.55; margin-bottom: 16px; }
.feature-meta { display: flex; gap: 8px; flex-wrap: wrap; }
.meta-pill {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 3px 10px;
  font-size: 0.74rem;
  color: var(--muted);
}
.meta-pill strong { color: var(--text); font-weight: 600; }

.landing-foot { margin-top: 56px; text-align: center; }

/* ===== Page heads (tasks / files) ===== */
.page-tasks, .page-files {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 28px 64px;
}
.page-head { margin-bottom: 20px; }
.page-title { font-size: 1.55rem; font-weight: 700; margin-bottom: 6px; }
.page-lead { color: var(--muted); font-size: 0.9rem; }

/* ===== Source toggle (tasks page) ===== */
.source-toggle-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  margin-bottom: 16px;
  font-size: 0.84rem;
}
.toggle-label { color: var(--muted); margin-right: 6px; }
.source-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 4px 14px;
  cursor: pointer;
  font-size: 0.8rem;
}
.source-btn:hover { color: var(--text); }
.source-btn.active {
  background: var(--primary);
  color: var(--bg);
  border-color: var(--primary);
}
.source-note { margin-left: 8px; font-size: 0.76rem; }

/* ===== Task-Calendar grid layout ===== */
.task-cal-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}
@media (max-width: 900px) { .task-cal-layout { grid-template-columns: 1fr; } }
.task-cal-layout .panel { margin: 0; }

/* ===== Source badge on task items ===== */
.source-badge {
  display: inline-block;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1px 7px;
  font-size: 0.66rem;
  font-weight: 600;
  color: var(--muted);
  margin-right: 6px;
  vertical-align: 2px;
}
.source-pact { background: rgba(129, 140, 248, 0.18); color: #c7d2fe; border-color: rgba(129, 140, 248, 0.4); }
.source-jira { background: rgba(96, 165, 250, 0.18); color: #bfdbfe; border-color: rgba(96, 165, 250, 0.4); }

/* ===== RAG source chips (files page) ===== */
.rag-sources-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-left: auto;
}
.source-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 4px 12px;
  cursor: pointer;
  font-size: 0.78rem;
  user-select: none;
}
.source-chip input { margin: 0; cursor: pointer; }
.chip-icon { font-size: 0.95rem; }
.chip-name { color: var(--text); }