:root {
  --bg: #1f2028;
  --surface: #2e2e38;
  --panel: #3a3b46;
  --accent: #ffe600;
  --text: #f5f6f8;
  --muted: #c7c9d1;
  --warn: #ffb020;
  --ok: #37c871;
  --line: #5a5c67;
  --font-base: 16px;
  --font-sm: 14px;
  --font-lg: 20px;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", sans-serif; background: var(--bg); color: var(--text); font-size: var(--font-base); line-height: 1.45; }
.guide { margin: var(--space-2) 20px 0; }
.guide-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.guide-step { background: #2a2b34; border: 1px solid var(--line); border-radius: 8px; padding: var(--space-2); font-size: var(--font-sm); }
.app-header {
  background: var(--surface);
  border-bottom: 2px solid var(--accent);
  padding: var(--space-2) 20px;
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
}
.app-header h1 { margin: 0 0 4px; font-size: var(--font-lg); }
.app-header p { margin: 0; color: var(--muted); }
.header-controls select { min-width: 180px; }

.phase-stepper {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding: 10px 20px;
}
.phase-stepper { display: none; }
.phase-item {
  background: #2a2b34;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 10px;
  text-align: center;
  font-size: var(--font-sm);
  cursor: pointer;
}
.phase-item:hover { border-color: var(--accent); }
.phase-item.disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.phase-item.disabled:hover { border-color: var(--line); }
.phase-item-label { font-size: 11px; color: var(--muted); display: block; margin-top: 2px; }
.phase-item.active .phase-item-label { color: #2e2e38; }

.notice {
  border: 1px solid var(--line);
  background: #2a2b34;
  border-radius: 8px;
  padding: 8px;
  margin-top: 8px;
}
.phase-item.active { border-color: var(--accent); color: #1c1c1c; background: var(--accent); font-weight: 700; }

.persona-strip { margin: 0 20px var(--space-2); }
.persona-strip-list { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.persona-btn {
  min-width: 84px;
  text-align: center;
  background: #2a2b34;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 6px;
  color: var(--text);
}
.persona-btn.active { border-color: var(--accent); }
.avatar {
  width: 46px;
  height: 46px;
  border-radius: 999px;
  border: 2px solid var(--accent);
  margin: 0 auto 6px;
  display: grid;
  place-items: center;
  background: #1e1f26;
  font-size: 20px;
}
.layout { display: grid; grid-template-columns: 400px 1fr; gap: var(--space-2); padding: 0 20px 20px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: var(--space-2); margin-bottom: var(--space-2); }
.criteria-panel { background: #233347; border-color: #4575a5; }
.side-panel h3, .side-panel h4 { margin: 8px 0; }
.main-panel { min-width: 0; }

.tabs { display: flex; gap: 8px; margin-bottom: var(--space-2); }
.tabs button {
  background: #2a2b34; color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; padding: 10px 14px;
}
.tabs button.active { background: var(--accent); color: #1c1c1c; font-weight: 700; }
.tabs button[data-tab="criteria"] {
  margin-left: auto;
  border-style: dashed;
  border-color: #5aa9ff;
  color: #d9ecff;
}
.tabs button[data-tab="criteria"].active {
  background: #5aa9ff;
  color: #1a2430;
  border-color: #5aa9ff;
}
.mobile-tabbar { display: none; }

/* ヘルプ（?）ポップオーバー */
.heading-with-help,
.field-label {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
h3.heading-with-help, h4.heading-with-help { margin: 0 0 4px; }
/* 会議ライブ: 左＝発言タイムライン、右＝イベントログ */
.meeting-live-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
  margin-top: 4px;
}
.meeting-live-block h4 { margin: 0 0 6px; }
.meeting-feed-panel {
  min-height: 8rem;
  max-height: min(420px, 55vh);
  overflow-y: auto;
  padding: 4px 2px 8px 0;
}
.field-block { display: block; }
.field-block .field-label { margin: 0 0 4px; font-size: var(--font-sm); }
.field-block .help-btn { flex-shrink: 0; }
.help-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4em;
  min-width: 1.4em;
  height: 1.4em;
  min-height: 1.4em;
  padding: 0;
  line-height: 1;
  font-size: 0.8em;
  font-weight: 700;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #2a2b34;
  color: var(--muted);
  vertical-align: middle;
}
.help-btn:hover { border-color: var(--accent); color: var(--text); }
.kpi-card .kpi-card-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 6px;
  font-size: var(--font-sm);
}
.kpi-card .kpi-card-title .help-btn { margin-top: 2px; }
.help-popover {
  position: fixed;
  z-index: 2000;
  max-width: min(320px, calc(100vw - 32px));
  padding: 10px 12px;
  background: #2a2b34;
  border: 1px solid var(--accent);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  font-size: var(--font-sm);
  line-height: 1.5;
  color: var(--text);
  pointer-events: auto;
}
.help-popover p { margin: 0; white-space: pre-line; }
.help-popover.hidden { display: none; }

.tab-content { display: none; }
.tab-content.active { display: block; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.toolbar.between { justify-content: space-between; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.brief-card {
  background: #2a2b34;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
}
.brief-card h4 { margin: 0 0 6px; font-size: 14px; }

button { cursor: pointer; }
button, select, input, textarea {
  background: #2a2b34; color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; font-size: var(--font-sm);
}
button.accent { background: var(--accent); color: #1c1c1c; font-weight: 700; }
label { display: block; margin-top: 10px; font-size: var(--font-sm); }
textarea { width: 100%; min-height: 64px; }
input { width: 100%; }

.kpi-grid { display: grid; grid-template-columns: repeat(5, minmax(130px, 1fr)); gap: 8px; }
.kpi-card {
  background: #2a2b34; border: 1px solid var(--line); border-radius: 8px; padding: 8px; cursor: pointer;
}
.kpi-score { font-size: 28px; font-weight: 700; line-height: 1.1; }
.delta-up { color: var(--ok); }
.delta-down { color: var(--warn); }

.bar-row { display: grid; grid-template-columns: 170px 1fr 56px; gap: 8px; align-items: center; margin-bottom: 8px; font-size: var(--font-sm); }
.bar-bg { height: 12px; background: #1e1f26; border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); }
.bar-fill.warn { background: var(--warn); }
.bar-fill.ok { background: var(--ok); }

.hidden { display: none; }
.hint, .muted { color: var(--muted); font-size: 13px; }
.mono { font-family: Consolas, monospace; font-size: 12px; }
.banner { background: #55252a; border: 1px solid #bd4c5b; border-radius: 6px; padding: 8px; margin: 6px 0; }
.chip { display: inline-block; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); margin-right: 4px; font-size: 12px; }
.log-line { border-bottom: 1px dashed var(--line); padding: 6px 0; }

.viz-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.viz-card { background: #2a2b34; border: 1px solid var(--line); border-radius: 8px; padding: 6px; }
.donut {
  width: 80px; height: 80px; border-radius: 50%;
  margin: 6px auto;
}
.donut-label { text-align: center; font-size: 12px; }
.radar svg { width: 100%; height: 120px; display: block; }
.ninebox-mini {
  position: relative; width: 120px; height: 120px; margin: 4px auto;
  background-image:
    linear-gradient(to right, transparent 33%, var(--line) 33%, var(--line) 34%, transparent 34%, transparent 66%, var(--line) 66%, var(--line) 67%, transparent 67%),
    linear-gradient(to bottom, transparent 33%, var(--line) 33%, var(--line) 34%, transparent 34%, transparent 66%, var(--line) 66%, var(--line) 67%, transparent 67%);
  border: 1px solid var(--line);
}
.dot-ai, .dot-human {
  position: absolute; width: 10px; height: 10px; border-radius: 999px; transform: translate(-50%, -50%);
}
.dot-ai { background: var(--accent); }
.dot-human { background: var(--ok); }
.legend-list {
  margin: 8px 0 0;
  padding-left: 16px;
  font-size: 12px;
  color: var(--muted);
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1000;
  background: #2a2b34;
  border: 1px solid var(--accent);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  min-width: 260px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: grid;
  place-items: center;
  z-index: 1100;
}
.modal.hidden { display: none; }
.modal-content {
  width: min(1000px, 92vw);
  max-height: 86vh;
  background: #2f303a;
  border: 1px solid var(--line);
  border-radius: 10px;
  display: grid;
  grid-template-rows: auto 1fr auto;
}
.modal-header,
.modal-footer {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}
.modal-footer {
  border-bottom: none;
  border-top: 1px solid var(--line);
  justify-content: flex-end;
}
.modal-body {
  overflow: auto;
  padding: 12px;
}

/* スマホ表示最適化: PCスタイルには影響させない */
@media (max-width: 768px) {
  body {
    padding-bottom: 78px;
  }
  .app-header,
  .guide,
  .persona-strip,
  .layout {
    padding-left: 12px;
    padding-right: 12px;
    margin-left: 0;
    margin-right: 0;
  }
  .app-header {
    display: block;
  }
  .header-controls select {
    min-width: 0;
    width: 100%;
  }
  .guide-steps,
  .grid2,
  .meeting-live-columns {
    grid-template-columns: 1fr;
  }
  .layout {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .tabs {
    display: none;
  }
  .mobile-tabbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1050;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
    padding: 8px 8px max(8px, env(safe-area-inset-bottom));
    background: rgba(31, 32, 40, 0.96);
    border-top: 1px solid var(--line);
    backdrop-filter: blur(4px);
  }
  .mobile-tabbar button {
    min-height: 44px;
    padding: 8px 4px;
    border-radius: 8px;
    font-size: 12px;
    line-height: 1.2;
    white-space: normal;
    word-break: keep-all;
  }
  .mobile-tabbar button.active {
    background: var(--accent);
    color: #1c1c1c;
    font-weight: 700;
    border-color: var(--accent);
  }
  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .bar-row {
    grid-template-columns: 110px 1fr 46px;
    gap: 6px;
  }
  .modal-content {
    width: 96vw;
    max-height: 90vh;
  }
  .modal-footer {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .tabs button[data-tab="criteria"] {
    margin-left: 0;
  }
}

/* 会議室スクリーン投影用: 文字と余白をさらに拡大 */
@media (min-width: 1600px) {
  :root {
    --font-base: 18px;
    --font-sm: 16px;
    --font-lg: 28px;
    --space-1: 10px;
    --space-2: 16px;
    --space-3: 22px;
  }
  .layout { grid-template-columns: 460px 1fr; gap: var(--space-3); }
  .kpi-grid { grid-template-columns: repeat(5, minmax(170px, 1fr)); gap: var(--space-2); }
  .donut { width: 98px; height: 98px; }
  .radar svg { height: 150px; }
  .ninebox-mini { width: 146px; height: 146px; }
}