:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #334155;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --ok: #22c55e;
  --danger: #ef4444;
  --radius: 16px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
  overscroll-behavior: none;
}

#app {
  max-width: 480px;
  margin: 0 auto;
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ---------- 상단바 ---------- */
#topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 12px 8px;
}
#title {
  flex: 1;
  text-align: center;
  font-size: 18px;
  font-weight: 700;
}
.icon-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.icon-btn:active { background: var(--panel-2); }
.icon-btn.hidden { visibility: hidden; }

/* ---------- 단계 점 ---------- */
#steps {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 4px 0 8px;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--panel-2);
  transition: all .2s;
}
.dot.active { background: var(--accent); transform: scale(1.4); }
.dot.done { background: var(--accent-strong); }

/* ---------- 요약 ---------- */
#summary {
  padding: 0 16px 8px;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  min-height: 18px;
}
#summary b { color: var(--accent); }

/* ---------- 컨텐츠 ---------- */
#content {
  flex: 1;
  overflow-y: auto;
  padding: 8px 14px 24px;
}
.screen-title {
  font-size: 15px;
  color: var(--muted);
  margin: 4px 4px 12px;
}

/* 큰 선택 버튼 (한 손 입력용) — 하단에서부터 채워지도록 */
.tile-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.tile {
  width: 100%;
  min-height: 60px;
  border: none;
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  font-size: 19px;
  font-weight: 600;
  text-align: left;
  padding: 16px 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  transition: transform .05s;
}
.tile:active { transform: scale(0.98); background: var(--panel-2); }
.tile .sub { font-size: 13px; color: var(--muted); font-weight: 500; }
.tile.add {
  background: transparent;
  border: 2px dashed var(--panel-2);
  color: var(--accent);
  justify-content: center;
}

/* 부위 배지 */
.badge {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  color: #0b1220;
  white-space: nowrap;
}

/* 케이블 표시 */
.cable-tag {
  font-size: 11px;
  background: var(--accent-strong);
  color: #04293b;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 700;
}

/* ---------- 스테퍼 (무게/횟수) ---------- */
.stepper-wrap { display: flex; flex-direction: column; align-items: center; gap: 16px; margin-top: 8px; }
.stepper {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  justify-content: center;
}
.step-btn {
  width: 84px; height: 84px;
  border: none;
  border-radius: 24px;
  background: var(--panel);
  color: var(--accent);
  font-size: 40px;
  font-weight: 700;
  cursor: pointer;
}
.step-btn:active { background: var(--panel-2); }
.value-box {
  flex: 1;
  max-width: 200px;
  text-align: center;
  background: var(--panel);
  border-radius: 20px;
  padding: 14px 8px;
}
.value-box .num { font-size: 54px; font-weight: 800; line-height: 1; }
.value-box .unit { font-size: 16px; color: var(--muted); margin-top: 4px; }

/* 추천 칩 */
.chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 6px; }
.chip {
  border: none;
  background: var(--panel-2);
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
}
.chip.active { background: var(--accent); color: #04293b; }
.chips-label { width:100%; text-align:center; font-size:12px; color:var(--muted); margin-top:10px; }

/* ---------- 하단 고정 액션 버튼 ---------- */
.primary-btn {
  position: sticky;
  bottom: 0;
  width: 100%;
  margin-top: 20px;
  border: none;
  border-radius: var(--radius);
  background: var(--accent-strong);
  color: #04293b;
  font-size: 22px;
  font-weight: 800;
  padding: 20px;
  cursor: pointer;
}
.primary-btn:active { background: var(--accent); }
.primary-btn.ok { background: var(--ok); color: #052e16; }

/* ---------- 토스트 ---------- */
#toast {
  position: fixed;
  left: 50%; bottom: 90px;
  transform: translateX(-50%) translateY(20px);
  background: var(--ok);
  color: #052e16;
  font-weight: 700;
  padding: 14px 22px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: all .25s;
  z-index: 50;
  max-width: 90%;
  text-align: center;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.err { background: var(--danger); color: #fff; }

/* ---------- 모달 ---------- */
#modalBg {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  display: flex; align-items: flex-end; justify-content: center;
  z-index: 60;
}
#modalBg.hidden { display: none; }
#modal {
  background: var(--panel);
  width: 100%;
  max-width: 480px;
  border-radius: 24px 24px 0 0;
  padding: 22px 18px calc(22px + env(safe-area-inset-bottom));
  animation: slideUp .2s ease;
}
@keyframes slideUp { from { transform: translateY(100%);} to { transform: translateY(0);} }
#modal h3 { margin: 0 0 16px; font-size: 18px; }
#modal label { display:block; font-size:13px; color:var(--muted); margin: 12px 0 6px; }
#modal input, #modal select {
  width: 100%;
  padding: 14px;
  font-size: 17px;
  border-radius: 12px;
  border: 1px solid var(--panel-2);
  background: var(--bg);
  color: var(--text);
}
.modal-actions { display:flex; gap:10px; margin-top: 20px; }
.modal-actions button {
  flex:1; padding: 16px; border:none; border-radius: 12px;
  font-size: 17px; font-weight: 700; cursor: pointer;
}
.btn-cancel { background: var(--panel-2); color: var(--text); }
.btn-save { background: var(--accent-strong); color: #04293b; }
.btn-del { background: var(--danger); color:#fff; }
.toggle-row { display:flex; align-items:center; gap:10px; margin-top:14px; }
.toggle-row input { width:auto; }

/* ---------- 히스토리 표 ---------- */
.tbl { width:100%; border-collapse: collapse; font-size: 14px; }
.tbl th, .tbl td { padding: 10px 8px; text-align: left; border-bottom: 1px solid var(--panel-2); }
.tbl th { color: var(--muted); font-weight:600; font-size:12px; }
.tbl tr:active { background: var(--panel); }
.tbl .edit-cell { color: var(--accent); cursor:pointer; text-align:center; }
.empty { text-align:center; color:var(--muted); padding: 40px 0; }
.filter-row { display:flex; gap:8px; margin-bottom:12px; flex-wrap:wrap; }
.filter-row select { flex:1; padding:10px; border-radius:10px; background:var(--panel); color:var(--text); border:1px solid var(--panel-2); font-size:14px; }

.del-x { color: var(--danger); font-weight:700; cursor:pointer; padding:0 6px; }

/* ---------- 탭 (내역/통계) ---------- */
.tabbar { display:flex; gap:8px; margin-bottom:14px; }
.tab {
  flex:1; padding:12px; border:none; border-radius:12px;
  background:var(--panel); color:var(--muted);
  font-size:15px; font-weight:700; cursor:pointer;
}
.tab.active { background:var(--accent-strong); color:#04293b; }

/* ---------- 기간 세그먼트 ---------- */
.seg { display:flex; gap:6px; background:var(--panel); padding:5px; border-radius:12px; margin-bottom:14px; }
.segbtn {
  flex:1; padding:9px; border:none; border-radius:9px;
  background:transparent; color:var(--muted); font-size:13px; font-weight:700; cursor:pointer;
}
.segbtn.active { background:var(--panel-2); color:var(--text); }

/* ---------- 요약 카드 ---------- */
.stat-summary { display:flex; gap:10px; margin-bottom:18px; }
.stat-card { flex:1; background:var(--panel); border-radius:14px; padding:16px; text-align:center; }
.stat-card .sv { font-size:26px; font-weight:800; color:var(--accent); }
.stat-card .sl { font-size:12px; color:var(--muted); margin-top:4px; }

/* ---------- 차트 ---------- */
.chart-title { font-size:14px; font-weight:700; color:var(--muted); margin:18px 4px 12px; }
.donut-wrap { display:flex; align-items:center; gap:14px; background:var(--panel); border-radius:16px; padding:16px; }
.donut-wrap canvas { flex:0 0 auto; }
.legend { flex:1; display:flex; flex-direction:column; gap:8px; min-width:0; }
.leg-item { display:flex; align-items:center; gap:8px; font-size:13px; }
.leg-dot { width:12px; height:12px; border-radius:3px; flex:0 0 auto; }
.leg-name { font-weight:700; }
.leg-val { color:var(--muted); margin-left:auto; white-space:nowrap; }

.bars { display:flex; flex-direction:column; gap:10px; }
.bar-row { display:flex; align-items:center; gap:10px; }
.bar-label { width:48px; font-size:13px; font-weight:700; flex:0 0 auto; }
.bar-track { flex:1; height:18px; background:var(--panel); border-radius:9px; overflow:hidden; }
.bar-fill { height:100%; border-radius:9px; min-width:0; transition:width .3s; }
.bar-val { width:64px; text-align:right; font-size:12px; color:var(--muted); flex:0 0 auto; }

/* ---------- 추이 라인 차트 ---------- */
.metric-seg { margin-top:-6px; }
.line-wrap { background:var(--panel); border-radius:16px; padding:12px 8px; }
.line-wrap canvas { width:100%; display:block; }
.trend-legend { flex-direction:row; flex-wrap:wrap; gap:10px 16px; margin-top:14px; }
.trend-legend .leg-item { width:auto; }
.trend-legend .leg-val { margin-left:6px; }

/* ---------- 헬스장 바 ---------- */
.gym-bar { display:flex; align-items:center; gap:8px; margin-bottom:12px; }
.gym-pick {
  flex:1; text-align:left; border:none; border-radius:12px;
  background:var(--panel); color:var(--text);
  padding:12px 14px; font-size:15px; cursor:pointer;
}
.gym-pick b { color:var(--accent); }
.view-toggle { display:flex; background:var(--panel); border-radius:10px; padding:4px; flex:0 0 auto; }
.vt { border:none; background:transparent; color:var(--muted); font-size:13px; font-weight:700; padding:8px 12px; border-radius:8px; cursor:pointer; }
.vt.active { background:var(--accent-strong); color:#04293b; }

/* ---------- 조감도 ---------- */
.floor-tools { display:flex; align-items:center; justify-content:space-between; margin-bottom:8px; }
.floor-tools .hint { font-size:12px; color:var(--muted); }
.mini-btn { border:none; background:var(--panel-2); color:var(--text); font-size:13px; font-weight:700; padding:8px 12px; border-radius:10px; cursor:pointer; }
.mini-btn.on { background:var(--ok); color:#052e16; }

.floor {
  position:relative;
  width:100%;
  aspect-ratio: 4 / 5;
  background:
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(148,163,184,.08) 31px 32px),
    repeating-linear-gradient(90deg, transparent 0 31px, rgba(148,163,184,.08) 31px 32px),
    var(--panel);
  border:2px solid var(--panel-2);
  border-radius:16px;
  overflow:hidden;
}
.floor-entrance {
  position:absolute; left:50%; bottom:0; transform:translateX(-50%);
  background:var(--panel-2); color:var(--muted);
  font-size:11px; font-weight:700; padding:3px 18px; border-radius:8px 8px 0 0;
}
.floor-empty { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; text-align:center; color:var(--muted); font-size:13px; padding:20px; }

.eq-node {
  position:absolute;
  transform:translate(-50%, -50%);
  background:#2563eb;
  color:#fff;
  font-size:12px; font-weight:700;
  line-height:1.2;
  padding:8px 10px;
  border-radius:10px;
  max-width:30%;
  text-align:center;
  box-shadow:0 3px 8px rgba(0,0,0,.35);
  cursor:pointer;
  touch-action:none;
  user-select:none;
  display:flex; align-items:center; gap:4px;
}
.eq-node.cable { background:var(--accent-strong); color:#04293b; }
.eq-node.dragging { opacity:.85; box-shadow:0 6px 16px rgba(0,0,0,.5); z-index:5; }
.eq-node .eq-name { pointer-events:none; }
.eq-del {
  background:rgba(0,0,0,.35); color:#fff; border-radius:50%;
  width:18px; height:18px; display:inline-flex; align-items:center; justify-content:center;
  font-size:11px; flex:0 0 auto;
}

/* ---------- 헬스장 선택 시트 ---------- */
.gym-list { display:flex; flex-direction:column; gap:8px; }
.gym-row { display:flex; align-items:center; background:var(--bg); border:1px solid var(--panel-2); border-radius:12px; overflow:hidden; }
.gym-row.cur { border-color:var(--accent); }
.gym-name { flex:1; padding:14px; font-size:16px; font-weight:700; cursor:pointer; }
.gym-row.cur .gym-name { color:var(--accent); }
.gym-del { padding:14px; color:var(--danger); font-weight:700; cursor:pointer; }

/* ---------- 운동 프로그램 ---------- */
.prog-label { display:block; font-size:13px; color:var(--muted); margin:14px 4px 8px; font-weight:700; }
.prog-summary { background:var(--panel); border-radius:14px; padding:14px; margin-top:18px; font-size:14px; }
.prog-summary b { color:var(--accent); }
.prog-hint { font-size:12px; color:var(--muted); margin-top:6px; }

.prog-day { background:var(--panel); border-radius:16px; padding:6px 12px 12px; margin-top:14px; }
.prog-day-head {
  display:flex; align-items:center; justify-content:space-between; gap:8px;
  padding:12px 4px; font-size:15px; font-weight:800;
  border-bottom:1px solid var(--panel-2); margin-bottom:6px; flex-wrap:wrap;
}
.prog-focus { display:flex; gap:4px; flex-wrap:wrap; }

.prog-ex {
  width:100%; display:flex; align-items:center; gap:10px;
  background:transparent; border:none; border-bottom:1px solid var(--panel-2);
  color:var(--text); text-align:left; padding:12px 4px; cursor:pointer;
}
.prog-ex:last-child { border-bottom:none; }
.prog-ex:active { background:var(--bg); }
.prog-ex .badge { flex:0 0 auto; }
.prog-ex-main { flex:1; display:flex; flex-direction:column; min-width:0; }
.prog-ex-main b { font-size:15px; }
.prog-ex-main .sub, .prog-meta .sub { font-size:11px; color:var(--muted); display:block; }
.prog-meta { text-align:right; font-size:13px; font-weight:700; color:var(--accent); flex:0 0 auto; white-space:nowrap; }
.prog-meta .sub { font-weight:500; color:var(--muted); }
.prog-empty { padding:14px 4px; color:var(--muted); font-size:13px; }

/* ---------- 로그인 / 회원가입 ---------- */
#authScreen {
  position:fixed; inset:0; z-index:100;
  background:var(--bg);
  display:flex; align-items:center; justify-content:center;
  padding:24px;
}
#authScreen.hidden { display:none; }
.auth-box { width:100%; max-width:360px; text-align:center; }
.auth-logo { font-size:52px; }
.auth-title { font-size:26px; font-weight:800; margin:8px 0 2px; }
.auth-sub { color:var(--muted); font-size:14px; margin:0 0 24px; }
.auth-tabs { display:flex; background:var(--panel); border-radius:12px; padding:5px; margin-bottom:16px; }
.auth-tab {
  flex:1; border:none; background:transparent; color:var(--muted);
  font-size:15px; font-weight:700; padding:11px; border-radius:9px; cursor:pointer;
}
.auth-tab.active { background:var(--accent-strong); color:#04293b; }
#authScreen input {
  width:100%; padding:15px; margin-bottom:12px;
  font-size:16px; border-radius:12px;
  border:1px solid var(--panel-2); background:var(--panel); color:var(--text);
}
.auth-err { color:var(--danger); font-size:13px; min-height:18px; margin-bottom:6px; text-align:left; }
#authScreen .primary-btn { position:static; margin-top:4px; }
.auth-hint { color:var(--muted); font-size:12px; margin-top:14px; }

/* ---------- 프로필 ---------- */
.profile-row { font-size:17px; margin-bottom:10px; }
.profile-row b { color:var(--accent); }
.profile-note { font-size:13px; color:var(--muted); line-height:1.6; }
#profileBtn { font-size:18px; }