/*
 * RTS ライブアンケートシステム 共通スタイル
 * 配色は config.js の theme を JS 側で CSS変数に反映する（--rts-* が既定値）。
 */

:root {
  --rts-primary: #c0264a;
  --rts-accent: #d0328f;
  --rts-bg: #fff8f8;
  --rts-text: #2a2a2a;
  --rts-card-bg: #ffffff;
  --rts-border: #eadcdc;
  --rts-muted: #8a7a7a;
  --rts-danger: #c0264a;
  --rts-radius: 12px;
  --rts-max-width: 640px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--rts-bg);
  color: var(--rts-text);
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  padding-bottom: 5rem;
}

.rts-container {
  max-width: var(--rts-max-width);
  margin: 0 auto;
  padding: 1rem 1rem 2rem;
}

.rts-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: linear-gradient(120deg, var(--rts-primary), var(--rts-accent));
  color: #fff;
  padding: 0.9rem 1rem;
  text-align: center;
}
.rts-header h1 {
  font-size: 1.05rem;
  margin: 0;
  font-weight: 700;
}
.rts-header .rts-phase-label {
  font-size: 0.8rem;
  opacity: 0.9;
  margin-top: 0.15rem;
}

.rts-card {
  background: var(--rts-card-bg);
  border: 1px solid var(--rts-border);
  border-radius: var(--rts-radius);
  padding: 1rem;
  margin: 0.9rem 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.rts-card h2 {
  font-size: 1rem;
  margin: 0 0 0.7rem;
}

.rts-question {
  margin: 1.1rem 0;
}
.rts-question-label {
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.5;
}
.rts-question-label .rts-required {
  color: var(--rts-danger);
  margin-left: 0.25rem;
  font-size: 0.8rem;
}
.rts-question-note {
  font-size: 0.8rem;
  color: var(--rts-muted);
  margin: -0.25rem 0 0.5rem;
}

.rts-choice-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.rts-choice {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--rts-border);
  border-radius: 10px;
  cursor: pointer;
  min-height: 44px;
}
.rts-choice input {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.rts-choice.rts-checked {
  border-color: var(--rts-primary);
  background: color-mix(in srgb, var(--rts-primary) 6%, #fff);
}
.rts-choice-other-input {
  margin-top: 0.4rem;
  margin-left: 1.9rem;
}

.rts-scale5 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.3rem;
}
.rts-scale5 .rts-scale-side {
  font-size: 0.72rem;
  color: var(--rts-muted);
  width: 3.4rem;
  flex-shrink: 0;
  text-align: center;
}
.rts-scale5 .rts-scale-btns {
  display: flex;
  gap: 0.4rem;
  flex: 1;
  justify-content: space-between;
}
.rts-scale-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid var(--rts-border);
  background: #fff;
  font-weight: 700;
  color: var(--rts-text);
}
.rts-scale-btn.rts-checked {
  border-color: var(--rts-primary);
  background: var(--rts-primary);
  color: #fff;
}

textarea.rts-textarea, input.rts-textinput {
  width: 100%;
  border: 1px solid var(--rts-border);
  border-radius: 8px;
  padding: 0.6rem 0.7rem;
  font-size: 0.95rem;
  font-family: inherit;
  resize: vertical;
}
textarea.rts-textarea { min-height: 5rem; }

.rts-btn {
  display: inline-block;
  border: none;
  border-radius: 999px;
  padding: 0.7rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(120deg, var(--rts-primary), var(--rts-accent));
  min-height: 44px;
}
.rts-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.rts-btn.rts-secondary {
  background: #fff;
  color: var(--rts-primary);
  border: 1px solid var(--rts-primary);
}

.rts-savebadge {
  font-size: 0.75rem;
  color: var(--rts-muted);
  margin-top: 0.3rem;
  min-height: 1em;
}
.rts-savebadge.rts-saved { color: #2a8a4a; }
.rts-savebadge.rts-error { color: var(--rts-danger); }

.rts-freetext {
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.6;
  font-size: 0.92rem;
}
.rts-freetext .rts-empty { color: var(--rts-muted); font-style: italic; }
.rts-freetext a { color: var(--rts-accent); word-break: break-all; }

/* 集計グラフ */
.rts-barchart { display: flex; flex-direction: column; gap: 0.55rem; }
.rts-bar-row {
  display: grid;
  grid-template-columns: 9rem 1fr auto;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}
.rts-bar-label { word-break: break-word; }
.rts-bar-track {
  background: #f1e6e6;
  border-radius: 999px;
  height: 14px;
  overflow: hidden;
}
.rts-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--rts-primary), var(--rts-accent));
  border-radius: 999px;
}
.rts-bar-value { font-size: 0.78rem; color: var(--rts-muted); white-space: nowrap; }

.rts-scalechart { display: flex; flex-direction: column; gap: 0.4rem; }
.rts-scale-axis-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--rts-muted);
}
.rts-scale-bars {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  height: 100px;
}
.rts-scale-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
}
.rts-scale-count { font-size: 0.75rem; color: var(--rts-muted); }
.rts-scale-track {
  width: 100%;
  max-width: 34px;
  background: #f1e6e6;
  border-radius: 6px 6px 0 0;
  flex: 1;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.rts-scale-fill {
  width: 100%;
  background: linear-gradient(180deg, var(--rts-accent), var(--rts-primary));
}
.rts-scale-num { font-size: 0.75rem; margin-top: 0.2rem; font-weight: 700; }

.rts-n { font-size: 0.78rem; color: var(--rts-muted); margin-top: 0.4rem; }

.rts-otherlist { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.6rem; }
.rts-otherlist .rts-othercard {
  background: #faf3f3;
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
  font-size: 0.85rem;
}
.rts-othertitle { font-size: 0.75rem; color: var(--rts-muted); margin-bottom: 0.6rem; }

.rts-memo {
  background: #fff4e0;
  border: 1px solid #f0d9a8;
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  margin: 0.8rem 0;
  font-size: 0.88rem;
  white-space: pre-wrap;
}
.rts-memo-label { font-size: 0.72rem; color: #a67c1f; font-weight: 700; margin-bottom: 0.3rem; }

.rts-slide-viewer { text-align: center; }
.rts-slide-viewer img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--rts-border);
  touch-action: pinch-zoom;
}
.rts-slide-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.6rem;
}
.rts-slide-caption {
  font-size: 0.85rem;
  color: var(--rts-muted);
  margin-top: 0.4rem;
}
.rts-followbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff4e0;
  border: 1px solid #f0d9a8;
  border-radius: 10px;
  padding: 0.5rem 0.7rem;
  font-size: 0.82rem;
  margin-bottom: 0.5rem;
}

.rts-namegate {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 90vh;
  padding: 1.5rem;
  text-align: center;
}
.rts-namegate input { max-width: 20rem; margin: 1rem 0; text-align: center; }

.rts-progressbar-top {
  height: 4px;
  background: #f1e6e6;
}
.rts-progressbar-top-fill {
  height: 100%;
  background: var(--rts-accent);
  transition: width 0.2s;
}

.rts-badge {
  display: inline-block;
  font-size: 0.72rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: #f1e6e6;
  color: var(--rts-primary);
  font-weight: 700;
}

.rts-footer-actions {
  position: sticky;
  bottom: 0;
  background: linear-gradient(0deg, var(--rts-bg) 60%, transparent);
  padding: 1rem 1rem 0.6rem;
  text-align: center;
}

.rts-skip-hidden { display: none !important; }

/* ホスト画面専用 */
.rts-host-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.7rem 0;
}
.rts-host-phaselist {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.rts-host-phase-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--rts-border);
  border-radius: 8px;
  font-size: 0.85rem;
}
.rts-host-phase-row.rts-current {
  border-color: var(--rts-primary);
  background: #fdf1f4;
  font-weight: 700;
}
.rts-host-namedanswers table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.rts-host-namedanswers th, .rts-host-namedanswers td {
  border-bottom: 1px solid var(--rts-border);
  padding: 0.35rem 0.4rem;
  text-align: left;
  vertical-align: top;
}
.rts-hostkey-gate {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 90vh;
  padding: 1.5rem;
  text-align: center;
}
.rts-hostkey-gate input { max-width: 22rem; margin: 1rem 0; text-align: center; }

@media (min-width: 700px) {
  .rts-container { padding: 1.5rem 1.5rem 2.5rem; }
}

/*
 * ユーティリティクラス
 * CSP（style-src 'self'）によりインライン style 属性・JSからの .style 操作が
 * ブロックされるため、動的な値（幅・高さ）や短い装飾はすべてクラスで表現する。
 */
.rts-cursor-default { cursor: default; }
.rts-mt-04 { margin-top: 0.4rem; }
.rts-mt-05 { margin-top: 0.5rem; }
.rts-mt-06 { margin-top: 0.6rem; }
.rts-mt-08 { margin-top: 0.8rem; }
.rts-mt-12 { margin-top: 1.2rem; }
.rts-mb-06 { margin-bottom: 0.6rem; }
.rts-mb-08 { margin-bottom: 0.8rem; }
.rts-msg-muted { font-size: 0.85rem; color: var(--rts-muted); }
.rts-msg-danger { font-size: 0.85rem; color: var(--rts-danger); }
.rts-msg-success { font-size: 0.85rem; color: #2a8a4a; }
.rts-inline-choice { display: inline-flex; width: auto; }
.rts-nowrap-bold { white-space: nowrap; font-weight: 700; }
.rts-missing { outline: 2px solid var(--rts-danger); }
.rts-gate-title { margin: 0.6rem 0; }
.rts-gate-desc { color: var(--rts-muted); font-size: 0.9rem; }
.rts-gate-error { color: var(--rts-danger); font-size: 0.85rem; min-height: 1.2em; }

/* 5%刻みの幅・高さバケット（棒グラフ・5段階チャートの動的長さに使用） */
.rts-w-0 { width: 0%; }
.rts-w-5 { width: 5%; }
.rts-w-10 { width: 10%; }
.rts-w-15 { width: 15%; }
.rts-w-20 { width: 20%; }
.rts-w-25 { width: 25%; }
.rts-w-30 { width: 30%; }
.rts-w-35 { width: 35%; }
.rts-w-40 { width: 40%; }
.rts-w-45 { width: 45%; }
.rts-w-50 { width: 50%; }
.rts-w-55 { width: 55%; }
.rts-w-60 { width: 60%; }
.rts-w-65 { width: 65%; }
.rts-w-70 { width: 70%; }
.rts-w-75 { width: 75%; }
.rts-w-80 { width: 80%; }
.rts-w-85 { width: 85%; }
.rts-w-90 { width: 90%; }
.rts-w-95 { width: 95%; }
.rts-w-100 { width: 100%; }

.rts-h-0 { height: 0%; }
.rts-h-5 { height: 5%; }
.rts-h-10 { height: 10%; }
.rts-h-15 { height: 15%; }
.rts-h-20 { height: 20%; }
.rts-h-25 { height: 25%; }
.rts-h-30 { height: 30%; }
.rts-h-35 { height: 35%; }
.rts-h-40 { height: 40%; }
.rts-h-45 { height: 45%; }
.rts-h-50 { height: 50%; }
.rts-h-55 { height: 55%; }
.rts-h-60 { height: 60%; }
.rts-h-65 { height: 65%; }
.rts-h-70 { height: 70%; }
.rts-h-75 { height: 75%; }
.rts-h-80 { height: 80%; }
.rts-h-85 { height: 85%; }
.rts-h-90 { height: 90%; }
.rts-h-95 { height: 95%; }
.rts-h-100 { height: 100%; }