/* ===== CSS Variables ===== */
:root {
  --bg: #0a0a0a;
  --bg-card: #161616;
  --bg-card-hover: #1e1e1e;
  --accent: #00d4ff;
  --accent-dim: rgba(0, 212, 255, 0.15);
  --accent-green: #00ff88;
  --accent-orange: #ff8c00;
  --accent-red: #ff4444;
  --text: #f0f0f0;
  --text-dim: #888;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.2s ease;
}

/* ===== Light Mode ===== */
html.light {
  --bg: #f0f2f5;
  --bg-card: #ffffff;
  --bg-card-hover: #f5f5f7;
  --text: #1a1a1a;
  --text-dim: #666;
  --border: rgba(0, 0, 0, 0.1);
  --accent-dim: rgba(0, 170, 210, 0.1);
}
html.light body { background: var(--bg); color: var(--text); }

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: -apple-system, 'Hiragino Sans', 'Yu Gothic', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}

button { font-family: inherit; cursor: pointer; border: none; outline: none; color: inherit; touch-action: manipulation; }
input { font-family: inherit; outline: none; touch-action: manipulation; }
select { touch-action: manipulation; }

/* ===== App Shell ===== */
#app {
  height: 100%;
  position: relative;
  overflow: hidden;
  max-width: 480px;
  margin: 0 auto;
}

/* ===== Screens ===== */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: 0 20px;
  padding-bottom: env(safe-area-inset-bottom, 20px);
  opacity: 0;
  pointer-events: none;
  transform: translateX(30px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  overflow-y: auto;
}

.screen.active {
  opacity: 1;
  pointer-events: all;
  transform: translateX(0);
}

.screen.slide-out {
  opacity: 0;
  transform: translateX(-30px);
}

/* ===== Header ===== */
.screen-header {
  display: flex;
  align-items: center;
  padding-top: max(env(safe-area-inset-top, 0px), 20px);
  padding-bottom: 8px;
  gap: 12px;
}

.back-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition);
}
.back-btn:hover { background: var(--bg-card-hover); }

.screen-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dim);
}

/* ===== Progress Bar ===== */
.progress-bar {
  height: 3px;
  background: var(--border);
  border-radius: 99px;
  margin-bottom: 28px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-green));
  border-radius: 99px;
  transition: width 0.4s ease;
}

/* ===== Home Screen ===== */
#screen-home {
  justify-content: flex-start;
}

.home-top {
  padding-top: max(env(safe-area-inset-top, 0px), 24px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-green));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  background: linear-gradient(90deg, var(--accent), var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.home-top-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.theme-toggle-btn:hover { background: var(--bg-card-hover); }

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  object-fit: cover;
  display: none;
}
.user-avatar.visible { display: block; }

/* Login Section */
#login-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 20px;
  padding-bottom: 60px;
}

.hero-text {
  text-align: center;
}
.hero-text h1 {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 12px;
}
.hero-text p {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.6;
}
.hero-text .accent { color: var(--accent); }

.google-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  color: #333;
  border-radius: 50px;
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  transition: transform var(--transition), box-shadow var(--transition);
  width: 100%;
  justify-content: center;
  max-width: 320px;
}
.google-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(0,0,0,0.4); }
.google-btn:active { transform: translateY(0); }

.google-btn svg { flex-shrink: 0; }

.login-privacy-note {
  margin-top: 14px;
  font-size: 11px;
  color: var(--text-dim);
  text-align: center;
  line-height: 1.6;
  opacity: 0.75;
}
.login-privacy-link {
  color: var(--text-dim);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.login-privacy-link:hover { opacity: 0.9; }

/* Dashboard Section */
#dashboard-section { display: none; flex-direction: column; }
#dashboard-section.visible { display: flex; }

.home-bottom-action {
  margin-top: 20px;
  padding-bottom: max(env(safe-area-inset-bottom, 0px), 24px);
}

.greeting {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
}
.greeting-sub {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 24px;
}

/* Compact stats */
.stats-mini-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.stat-mini {
  display: flex;
  align-items: baseline;
  gap: 3px;
}
.stat-mini-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-mini-label {
  font-size: 12px;
  color: var(--text);
}
.stat-mini-sep {
  color: var(--border);
  font-size: 18px;
}

/* 段階カラー */
.stat-mini-value.tier-red    { color: #ff4444; }
.stat-mini-value.tier-silver { color: #c0c0c0; }
.stat-mini-value.tier-gold   { color: #ffd700; }

/* レインボーアニメーション */
@keyframes rainbow-flow {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}
.stat-mini-value.tier-rainbow {
  background: linear-gradient(
    90deg,
    #ff0000, #ff7700, #ffff00, #00ff00,
    #00ffff, #0077ff, #8800ff, #ff0077, #ff0000
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: rainbow-flow 3s linear infinite;
}

/* Calendar */
.calendar-section {
  margin-bottom: 20px;
}
.calendar-scroll {
  overflow-x: auto;
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 4px;
}
.calendar-scroll::-webkit-scrollbar { display: none; }
.calendar-track {
  display: flex;
  gap: 8px;
  width: max-content;
}
.cal-day {
  width: 76px;
  flex-shrink: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 6px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 90px;
}
.cal-day-today {
  border-color: var(--accent);
}
.cal-day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.cal-day-name {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
}
.cal-day-date {
  font-size: 11px;
  color: var(--text-dim);
}
.cal-day-today .cal-day-name,
.cal-day-today .cal-day-date {
  color: var(--accent);
}
.cal-exercises {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.cal-ex-chip {
  font-size: 10px;
  font-weight: 600;
  border-radius: 4px;
  padding: 2px 5px;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}
.chart-card-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

/* Progress chart */
.progress-chart-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
}
.chart-exercise-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  margin-top: 2px;
}
.pin-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 5px 10px;
  font-size: 15px;
  color: var(--text-dim);
  transition: background var(--transition), border-color var(--transition);
}
.pin-btn:hover { background: var(--bg-card-hover); }
.pin-btn.pinned { border-color: var(--accent); }

.chart-viewport {
  overflow: hidden;
}
.chart-track {
  display: flex;
  transition: transform 0.3s ease;
  will-change: transform;
}
.chart-slide {
  flex: 0 0 100%;
  min-width: 0;
}
.chart-slide.chart-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100px;
  color: var(--text-dim);
  font-size: 13px;
  text-align: center;
  padding: 0 16px;
}

/* Chart inner horizontal scroll (for historical data) */
.chart-scroll-x {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.chart-scroll-x::-webkit-scrollbar { display: none; }

.chart-dots {
  display: flex;
  justify-content: center;
  gap: 7px;
  margin-top: 12px;
}
.chart-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border);
  padding: 0;
  transition: background var(--transition), transform var(--transition);
}
.chart-dot.active {
  background: var(--accent);
  transform: scale(1.4);
}

.chart-diff-comment {
  margin-top: 10px;
  font-size: 13px;
  text-align: center;
  min-height: 18px;
  font-weight: 600;
}
.chart-diff-comment.positive { color: var(--accent-green); }
.chart-diff-comment.negative { color: var(--accent-orange); }
.chart-diff-comment.neutral { color: var(--text-dim); }

.start-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-green));
  color: #000;
  font-size: 17px;
  font-weight: 800;
  border-radius: 50px;
  padding: 18px;
  width: 100%;
  letter-spacing: 0.5px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
  margin-bottom: 16px;
}
.start-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 28px rgba(0, 212, 255, 0.4); }
.start-btn:active { transform: translateY(0); }

.logout-btn {
  background: transparent;
  color: var(--text-dim);
  font-size: 14px;
  padding: 8px;
  width: 100%;
  text-align: center;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}
.logout-btn:hover { color: var(--text); }

/* ===== Choice Screens (Fatigue & Time) ===== */
.choice-heading {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}
.choice-sub {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 32px;
}

.choice-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.choice-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  cursor: pointer;
  text-align: left;
}
.choice-card:hover { background: var(--bg-card-hover); transform: translateY(-1px); }
.choice-card.selected { border-color: var(--accent); background: var(--accent-dim); }

.choice-icon {
  font-size: 36px;
  line-height: 1;
  flex-shrink: 0;
}
.choice-info { flex: 1; }
.choice-label {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}
.choice-desc {
  font-size: 13px;
  color: var(--text-dim);
}

.choice-card.fatigue-energetic .choice-icon-bg { background: rgba(0, 255, 136, 0.1); }
.choice-card.fatigue-normal .choice-icon-bg { background: rgba(0, 212, 255, 0.1); }
.choice-card.fatigue-tired .choice-icon-bg { background: rgba(255, 140, 0, 0.1); }

.exercises-start-bar {
  position: sticky;
  bottom: 0;
  padding: 10px 0 max(env(safe-area-inset-bottom, 0px), 16px);
  background: linear-gradient(transparent, var(--bg) 28px);
  margin-top: 8px;
}
.next-btn {
  background: var(--accent);
  color: #000;
  font-size: 16px;
  font-weight: 700;
  border-radius: 50px;
  padding: 16px;
  width: 100%;
  margin-top: 0;
  transition: opacity var(--transition), transform var(--transition);
}
.next-btn:disabled { opacity: 0.3; pointer-events: none; }
.next-btn:hover:not(:disabled) { transform: translateY(-1px); }

/* ===== Exercise Selection Screen ===== */
.search-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text);
  font-size: 15px;
  width: 100%;
  margin-bottom: 16px;
  transition: border-color var(--transition);
}
.search-box::placeholder { color: var(--text-dim); }
.search-box:focus { border-color: var(--accent); }

.exercise-category {
  margin-bottom: 20px;
}
.category-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 10px;
  padding-left: 4px;
}
.exercise-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.exercise-chip {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 50px;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.exercise-chip:hover { background: var(--bg-card-hover); }
.exercise-chip.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}
.exercise-chip.custom {
  border-style: dashed;
  border-color: var(--text-dim);
}

/* カスタム種目ラッパー（チップ + 削除ボタン） */
.custom-chip-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}
.custom-chip-del {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: transparent;
  border: 1.5px solid var(--accent-red);
  color: var(--accent-red);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}
.custom-chip-del:hover,
.custom-chip-del:active {
  background: var(--accent-red);
  color: #fff;
}

.add-exercise-row {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}
.add-exercise-input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text);
  font-size: 14px;
  transition: border-color var(--transition);
}
.add-exercise-input::placeholder { color: var(--text-dim); }
.add-exercise-input:focus { border-color: var(--accent); }

.add-exercise-btn {
  background: var(--accent-dim);
  border: 1.5px solid var(--accent);
  color: var(--accent);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  transition: background var(--transition);
  white-space: nowrap;
}
.add-exercise-btn:hover { background: rgba(0, 212, 255, 0.25); }

.selected-count {
  font-size: 13px;
  color: var(--accent);
  text-align: center;
  margin-top: 8px;
}

/* ===== Workout Timer ===== */
.timer-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: padding var(--transition);
}
.timer-elapsed-small {
  font-size: 13px;
  color: var(--text-dim);
  font-weight: 600;
  margin-bottom: 1px;
  display: none;
}
.timer-hero.resting .timer-elapsed-small {
  display: block;
}
.timer-display {
  font-size: 88px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -2px;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: font-size 0.2s ease;
}
.timer-hero.resting .timer-display {
  background: linear-gradient(135deg, var(--accent-orange), #ffcc00);
  -webkit-background-clip: text;
  background-clip: text;
}
.timer-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  margin-top: 1px;
}


/* ===== Last Record Bar ===== */
.last-record-bar {
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.last-record-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--accent);
  flex-shrink: 0;
}
.last-record-text {
  font-size: 13px;
  color: var(--text-dim);
}

/* ===== Workout Screen ===== */
#screen-workout {
  justify-content: flex-start;
}

.workout-exercise-header {
  margin-bottom: 6px;
}
.exercise-progress-text {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 2px;
}
.exercise-name {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.2;
}

.set-log {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  margin-bottom: 8px;
  /* 高さ固定: セット数が増えても膨らまず重量エリアと被らない */
  height: 96px;
  overflow: hidden;
  flex-shrink: 0;
}
.set-log-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.set-log-entries {
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
/* セットあり: ラベルを非表示にしてバッジカウントを拡大 */
.set-log.has-sets .set-log-title { display: none; }
.set-log.has-sets .set-log-entries { height: 100%; }
.set-log.has-sets .set-badge-count { font-size: 30px; }

.set-log-entries::-webkit-scrollbar { display: none; }
.set-badge {
  /* 縦レイアウト: 重量・回数（上）＋ ×N（中央大） */
  flex-shrink: 0;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 6px 14px;
  color: var(--accent);
  font-weight: 600;
  min-width: 80px;
}
.set-badge-detail {
  font-size: 11px;
  white-space: nowrap;
  opacity: 0.85;
}
.set-badge-count {
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.5px;
}
.set-log-empty {
  color: var(--text-dim);
  font-size: 14px;
}

.input-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 8px;
}
.input-group-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.number-control {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}
.num-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bg-card-hover);
  border: 1.5px solid var(--border);
  color: var(--text);
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition);
}
.num-btn:hover { background: rgba(0, 212, 255, 0.1); border-color: var(--accent); }
.num-btn:active { transform: scale(0.95); }
.bodyweight-btn {
  width: auto;
  padding: 0 14px;
  border-radius: 26px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.bodyweight-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
}
.num-value {
  font-size: 36px;
  font-weight: 800;
  min-width: 110px;
  text-align: center;
  line-height: 1;
}
.num-unit {
  font-size: 16px;
  color: var(--text-dim);
  font-weight: 400;
  margin-left: 4px;
}

.complete-set-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-green));
  color: #000;
  font-size: 17px;
  font-weight: 800;
  border-radius: 50px;
  padding: 14px;
  width: 100%;
  margin-bottom: 10px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.25);
}
.complete-set-btn:hover { transform: translateY(-1px); }
.complete-set-btn:active { transform: translateY(0); }

.next-exercise-btn {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-dim);
  font-size: 15px;
  font-weight: 600;
  border-radius: 50px;
  padding: 10px;
  width: 100%;
  transition: border-color var(--transition), color var(--transition);
}
.next-exercise-btn:hover { border-color: var(--text-dim); color: var(--text); }

/* ===== Workout: 種目一覧ボタン (header右) ===== */
#screen-workout .screen-title {
  flex: 1;
  text-align: center;
}
.workout-list-btn {
  flex-shrink: 0;
  height: 36px;
  padding: 0 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 600;
  transition: background var(--transition), border-color var(--transition);
}
.workout-list-btn:hover { background: var(--bg-card-hover); border-color: var(--accent); }


/* ===== 追加済み種目チップ (addMode中) ===== */
.exercise-chip.already-added {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}

/* ===== 種目一覧モーダル ===== */
.exercise-list-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 600;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.exercise-list-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.exercise-list-modal {
  background: var(--bg-card);
  border-radius: 24px 24px 0 0;
  width: 100%;
  max-width: 600px;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
}
.exercise-list-overlay.open .exercise-list-modal {
  transform: translateY(0);
}
.exercise-list-header {
  display: flex;
  align-items: center;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.exercise-list-title {
  flex: 1;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}
.exercise-list-body {
  flex: 1;
  overflow-y: auto;
  padding-bottom: max(env(safe-area-inset-bottom, 0px), 20px);
}
.exercise-list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 16px 14px 20px;
  background: transparent;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition);
  user-select: none;
}
.exercise-list-item:last-of-type { border-bottom: none; }
.exercise-list-item:active { background: var(--bg-card-hover); }
.exercise-list-item.current {
  background: rgba(0,212,255,0.06);
  color: var(--accent);
  font-weight: 700;
}
.exercise-list-item.done { color: var(--text-dim); }
.eli-status {
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  font-size: 13px;
  color: var(--accent);
}
.eli-name { flex: 1; }
.eli-sets {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  border-radius: 50px;
  padding: 2px 8px;
}
.eli-del-btn {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid rgba(255,80,80,0.35);
  color: #ff6060;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition);
}
.eli-del-btn:hover,
.eli-del-btn:active { background: rgba(255,80,80,0.12); border-color: #ff6060; }

/* モーダル下部「＋種目を追加」ボタン */
.exercise-list-add-btn {
  display: block;
  width: 100%;
  padding: 18px 20px;
  background: transparent;
  border: none;
  border-top: 1px solid var(--border);
  color: var(--accent);
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: background var(--transition);
}
.exercise-list-add-btn:hover,
.exercise-list-add-btn:active { background: rgba(0,212,255,0.06); }

/* ===== Complete Screen ===== */
#screen-complete {
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 0;
}

.complete-icon {
  font-size: 72px;
  margin-bottom: 20px;
  animation: pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes pop {
  from { transform: scale(0.4); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.complete-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}
.complete-sub {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 32px;
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  width: 100%;
  margin-bottom: 32px;
}
.summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
}
.summary-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}
.summary-label {
  font-size: 12px;
  color: var(--text-dim);
}

.home-btn {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  padding: 16px;
  width: 100%;
  transition: border-color var(--transition);
}
.home-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: max(env(safe-area-inset-bottom, 0px), 24px);
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  transition: transform 0.3s ease;
  z-index: 9999;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.success { border-color: var(--accent-green); color: var(--accent-green); }
.toast.error { border-color: var(--accent-red); color: var(--accent-red); }

/* ===== Loading ===== */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 40px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }

/* ===== Utilities ===== */
.mt-auto { margin-top: auto; }
.pb-safe { padding-bottom: max(env(safe-area-inset-bottom, 0px), 24px); }

/* ===== Home Footer ===== */
.home-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 0 4px;
  font-size: 12px;
  color: var(--text-dim);
}
.footer-link {
  color: var(--accent);
  text-decoration: none;
  opacity: 0.8;
}
.footer-link:hover { opacity: 1; }
.footer-sep { color: var(--text-dim); }
.footer-copy { color: var(--text-dim); }

/* ===== Day Modal ===== */
.day-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 500;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.day-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.day-modal {
  background: var(--bg-card);
  border-radius: 24px 24px 0 0;
  width: 100%;
  max-width: 600px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
}
.day-modal-overlay.open .day-modal {
  transform: translateY(0);
}
.day-modal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px 20px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.day-modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}
.day-modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-card-hover);
  border: none;
  color: var(--text-dim);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.day-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 16px max(env(safe-area-inset-bottom, 0px), 24px);
  -webkit-overflow-scrolling: touch;
}
.modal-save-status {
  font-size: 12px;
  font-weight: 600;
  margin-left: auto;
  margin-right: 8px;
  color: var(--text-dim);
  min-width: 60px;
  text-align: right;
  transition: color 0.2s;
}
.modal-save-status.saving { color: var(--accent-orange); }
.modal-save-status.saved  { color: var(--accent-green); }
.modal-save-status.error  { color: var(--accent-red); }
/* (save button removed – auto-save) */
.day-modal-save-btn {
  display: none; /* kept for legacy references */
  background: linear-gradient(135deg, var(--accent), var(--accent-green));
  border: none;
  color: #000;
  font-size: 16px;
  font-weight: 700;
  font-family: inherit;
}
.day-modal-save-btn:disabled {
  opacity: 0.6;
}

/* Modal exercise cards */
.modal-ex-card {
  background: var(--bg-card-hover);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 10px;
}
.modal-ex-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.modal-ex-chip {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
}
.modal-ex-del {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 8px;
}
.modal-ex-del:hover { background: var(--bg-card); }
.modal-set-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 0;
  border-top: 1px solid var(--border);
}
.modal-set-num {
  font-size: 12px;
  color: var(--text-dim);
  min-width: 22px;
  font-weight: 600;
}
.modal-set-val {
  flex: 1;
  font-size: 14px;
  font-weight: 600;
}
.modal-set-del {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  padding: 2px 6px;
  line-height: 1;
}
.modal-empty {
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
  padding: 12px 0 16px;
  line-height: 1.6;
}

/* Add set section */
.modal-add-section {
  background: var(--bg-card-hover);
  border-radius: 12px;
  padding: 14px;
  margin-top: 4px;
}
.modal-add-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.modal-ex-select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  margin-bottom: 12px;
}
.modal-controls-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.modal-controls-label {
  font-size: 12px;
  color: var(--text-dim);
  min-width: 32px;
}
.modal-val-display {
  flex: 1;
  text-align: center;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
}
.modal-unit {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-dim);
  margin-left: 2px;
}
.modal-add-set-btn {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  background: none;
  border: 1.5px dashed var(--accent);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  font-family: inherit;
  margin-top: 4px;
}
.modal-add-set-btn:active { opacity: 0.7; }

/* ===== Modal Custom Input ===== */
.modal-custom-input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1.5px solid var(--accent);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  margin-bottom: 12px;
  margin-top: -4px;
  display: none;
}
.modal-custom-input::placeholder { color: var(--text-dim); }
.modal-custom-input:focus { outline: none; border-color: var(--accent); }

/* ===== Modal Custom Category Select ===== */
.modal-custom-cat-select {
  margin-top: -4px;
  margin-bottom: 12px;
  color: var(--text-dim);
}
.modal-custom-cat-select option { color: var(--text); }