:root{
  --bg:#f4f1ea;
  --surface:#ffffff;
  --surface-2:#faf7f1;
  --ink:#1c1917;
  --ink-soft:#57534e;
  --line:#e3ddd2;
  --accent:#f0641e;
  --accent-ink:#8a3208;
  --accent-soft:#fde8dc;
  --green:#1a7f4b;
  --green-soft:#dcf3e6;
  --slot-h:46px;
  --radius:16px;
  --shadow:0 1px 2px rgba(28,25,23,.06),0 6px 18px rgba(28,25,23,.07);
  --shadow-lg:0 10px 40px rgba(28,25,23,.18);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0}
body{
  background:var(--bg);color:var(--ink);
  -webkit-font-smoothing:antialiased;
  padding-bottom:96px;
  font-size:16px;line-height:1.4;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ── top bar ── */
.topbar{
  position:sticky;top:0;z-index:20;
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border-bottom:1px solid var(--line);
  padding:calc(env(safe-area-inset-top) + 14px) 16px 14px;
  box-shadow:var(--shadow);
}
.topbar-row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.nav-btn{
  width:40px;height:40px;border-radius:12px;font-size:26px;font-weight:600;
  color:var(--ink-soft);background:var(--surface-2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;line-height:1;
  transition:transform .12s,background .12s;
}
.nav-btn:active{transform:scale(.92);background:var(--accent-soft)}
.date-block{text-align:center}
.date-main{font-size:22px;font-weight:800;letter-spacing:-.02em}
.date-sub{font-size:13px;color:var(--ink-soft);font-weight:600;margin-top:1px}

.stats-row{display:flex;align-items:center;gap:14px;margin-top:14px}
.ring-wrap{position:relative;width:56px;height:56px;flex:none}
.ring{width:56px;height:56px;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:var(--line);stroke-width:8}
.ring-fg{fill:none;stroke:var(--accent);stroke-width:8;stroke-linecap:round;
  stroke-dasharray:188.5;stroke-dashoffset:188.5;transition:stroke-dashoffset .5s cubic-bezier(.16,1,.3,1)}
.ring-label{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800}
.stat{flex:none}
.stat-val{font-size:20px;font-weight:800;letter-spacing:-.02em}
.stat-cap{font-size:11px;color:var(--ink-soft);font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.bw-btn{margin-left:auto;padding:9px 14px;border-radius:12px;font-weight:700;font-size:14px;
  background:var(--accent-soft);color:var(--accent-ink);border:1px solid #f6d3bd;
  transition:transform .12s}
.bw-btn:active{transform:scale(.94)}

/* ── timeline (абсолютное позиционирование по времени) ── */
.timeline{max-width:640px;margin:0 auto;padding:14px 12px 0}
.tl{position:relative;margin-left:48px}
.tl-hour{position:absolute;left:-48px;width:44px;text-align:right;
  font-size:13px;font-weight:700;color:var(--ink-soft);font-variant-numeric:tabular-nums;
  transform:translateY(-7px)}
.tl-line{position:absolute;left:0;right:0;border-top:1px solid var(--line)}
.tl-line.half{border-top:1px dashed var(--line);opacity:.55}
.slot-add{position:absolute;left:0;right:0;border-radius:10px;
  color:transparent;font-size:20px;font-weight:600;text-align:left;padding-left:12px;
  display:flex;align-items:center;transition:background .12s,color .12s}
.slot-add:hover,.slot-add:active{background:var(--surface-2);color:var(--line)}

/* карточка задачи (может занимать несколько слотов) */
.task-card{
  position:absolute;left:2px;right:2px;
  background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);
  border-radius:12px;box-shadow:var(--shadow);
  display:flex;align-items:center;gap:10px;padding:0 12px;
  transition:transform .12s,box-shadow .12s;overflow:hidden;
}
.task-card:active{transform:scale(.99)}
.task-card.done{border-left-color:var(--green);background:var(--green-soft)}
.task-card.workout{border-left-color:#7c3aed}
.task-check{
  width:26px;height:26px;flex:none;border-radius:50%;border:2px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff;
  background:var(--surface);transition:.15s}
.task-card.done .task-check{background:var(--green);border-color:var(--green)}
.task-main{flex:1;min-width:0}
.task-title{font-weight:700;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.task-card.done .task-title{text-decoration:line-through;color:var(--ink-soft)}
.task-meta{font-size:12px;color:var(--ink-soft);font-weight:600;margin-top:1px;display:flex;gap:8px;flex-wrap:wrap}
.badge{background:var(--accent-soft);color:var(--accent-ink);padding:1px 7px;border-radius:20px;font-size:11px;font-weight:700}
.badge.wk{background:#ede9fe;color:#5b21b6}
.badge.rep{background:var(--surface-2);color:var(--ink-soft);border:1px solid var(--line)}

/* ── FAB ── */
.fab{
  position:fixed;right:20px;bottom:calc(env(safe-area-inset-bottom) + 22px);z-index:25;
  width:60px;height:60px;border-radius:50%;font-size:34px;font-weight:400;line-height:1;
  color:#fff;background:var(--accent);box-shadow:var(--shadow-lg);
  display:flex;align-items:center;justify-content:center;
  transition:transform .14s cubic-bezier(.16,1,.3,1)}
.fab:active{transform:scale(.9) rotate(90deg)}

/* ── modal ── */
.modal-back{position:fixed;inset:0;z-index:40;background:rgba(28,25,23,.42);
  backdrop-filter:blur(3px);display:flex;align-items:flex-end;justify-content:center;
  padding:0;animation:fade .18s ease}
@keyframes fade{from{opacity:0}}
.modal{
  background:var(--surface);width:100%;max-width:520px;
  border-radius:22px 22px 0 0;box-shadow:var(--shadow-lg);
  max-height:92vh;display:flex;flex-direction:column;
  animation:slideup .28s cubic-bezier(.16,1,.3,1);
  padding-bottom:env(safe-area-inset-bottom);
}
.modal.small{border-radius:22px;margin:auto 12px}
@keyframes slideup{from{transform:translateY(30px);opacity:.4}}
.modal-head{display:flex;align-items:center;justify-content:space-between;
  padding:18px 18px 8px}
.modal-head h2{margin:0;font-size:20px;font-weight:800;letter-spacing:-.02em}
.close{font-size:18px;color:var(--ink-soft);width:34px;height:34px;border-radius:10px}
.close:active{background:var(--surface-2)}
.modal-body{padding:6px 18px 8px;overflow-y:auto}
.modal-foot{padding:12px 18px calc(16px + env(safe-area-inset-bottom));
  display:flex;gap:10px;justify-content:flex-end;border-top:1px solid var(--line)}

.fld{display:flex;flex-direction:column;gap:6px;margin:10px 0}
.fld>span{font-size:13px;font-weight:700;color:var(--ink-soft)}
.fld input,.fld select{
  font-size:16px;font-weight:600;padding:12px 12px;border-radius:12px;
  border:1.5px solid var(--line);background:var(--surface-2);color:var(--ink);
  width:100%;transition:border .12s}
.fld input:focus,.fld select:focus{outline:none;border-color:var(--accent);background:var(--surface)}
.fld-row{display:flex;gap:10px}
.fld-row .fld{flex:1}

.btn{padding:12px 18px;border-radius:12px;font-weight:800;font-size:15px;transition:transform .12s,filter .12s}
.btn:active{transform:scale(.96)}
.btn.primary{background:var(--accent);color:#fff}
.btn.primary:active{filter:brightness(.95)}
.btn.ghost{background:var(--surface-2);color:var(--ink-soft);border:1px solid var(--line)}
.btn.small{font-size:13px;padding:9px 12px;margin-top:8px}

/* workout */
.prev-box{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;
  padding:10px 12px;font-size:13px;color:var(--ink-soft);margin:8px 0}
.prev-box b{color:var(--ink)}
.ex-block{border:1px solid var(--line);border-radius:14px;padding:10px;margin:10px 0;background:var(--surface-2)}
.ex-block .ex-name{width:100%;font-weight:700;font-size:15px;padding:9px 10px;border-radius:10px;
  border:1.5px solid var(--line);background:var(--surface);margin-bottom:8px}
.set-row{display:flex;align-items:center;gap:6px;margin:6px 0}
.set-row .setno{width:24px;flex:none;font-weight:700;color:var(--ink-soft);font-size:13px}
.set-row input{flex:1;min-width:0;padding:9px 6px;border-radius:9px;border:1.5px solid var(--line);
  background:var(--surface);font-size:15px;font-weight:600;text-align:center}
.set-row .prev-hint{font-size:11px;color:var(--accent-ink);width:46px;flex:none;text-align:right;font-weight:700}
.set-row .rm{color:#b91c1c;font-size:18px;width:26px;flex:none}
.ex-actions{display:flex;gap:8px;margin-top:4px}
.ex-actions button{font-size:12px;font-weight:700;color:var(--accent-ink);padding:5px 8px;border-radius:8px;background:var(--accent-soft)}

/* toast */
.toast{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom) + 96px);
  transform:translateX(-50%);z-index:60;background:var(--ink);color:#fff;
  padding:11px 18px;border-radius:14px;font-weight:700;font-size:14px;box-shadow:var(--shadow-lg);
  animation:fade .2s ease}

#bwChart{width:100%;height:120px;margin-top:12px;background:var(--surface-2);border-radius:12px}

@media (min-width:560px){
  .modal-back{align-items:center}
  .modal{border-radius:22px;margin:0 16px}
}