:root {
  --bg: #f5f6f8; --card: #fff; --text: #1d2330; --muted: #6b7385; --line: #e3e6ec;
  --accent: #2f6fed; --accent-soft: #e8efff; --danger: #d64545; --ok: #1f9d55;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171d; --card: #1d2129; --text: #e8eaf0; --muted: #9aa2b3; --line: #2e3440;
          --accent: #6b9bff; --accent-soft: #24304a; --danger: #ff7474; --ok: #4cc38a; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
.top { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; }
main { max-width: 860px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 16px; }
.narrow { max-width: 400px; margin: 40px auto; }
h2 { margin: 0 0 12px; font-size: 18px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
input, select { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; min-width: 0; }
button { font: inherit; border: 0; border-radius: 8px; padding: 8px 14px; background: var(--accent); color: #fff; cursor: pointer; }
button.ghost { background: var(--accent-soft); color: var(--accent); }
button.icon { background: transparent; color: var(--muted); padding: 4px 8px; }
button.icon:hover { color: var(--danger); }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.grow { flex: 1; }
.tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.tab { background: transparent; color: var(--muted); }
.tab.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.main-tabs { overflow-x: auto; }
.msg { min-height: 1.4em; margin: 8px 0 0; font-size: 14px; }
.msg.error { color: var(--danger); } .msg.ok { color: var(--ok); }
.hint { background: var(--accent-soft); padding: 8px; border-radius: 8px; font-size: 13px; }
button.small { padding: 5px 10px; font-size: 13px; }
#exerciseBlocks { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }
.ex-block { border: 1px solid var(--line); border-radius: 10px; padding: 10px; background: var(--bg); }
.ex-block input { background: var(--card); }
.ex-head { display: flex; gap: 6px; align-items: center; margin-bottom: 8px; }
.ex-head input { flex: 1; font-weight: 600; }
.ex-sets { display: flex; flex-direction: column; gap: 6px; margin-bottom: 8px; }
.set-row { display: flex; gap: 6px; align-items: center; }
.set-row input { width: 90px; }
.set-num { width: 22px; color: var(--muted); font-size: 13px; text-align: right; }
.times { color: var(--muted); }
.ex-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; margin-top: 8px; }
.ex-card { background: var(--bg); border-radius: 10px; padding: 8px 10px; }
.ex-name { font-weight: 600; margin-bottom: 4px; }
.ex-sets-view { margin: 0; padding-left: 20px; font-size: 14px; }
.ex-sets-view li::marker { color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.stat { background: var(--bg); border-radius: 10px; padding: 10px; }
.stat b { display: block; font-size: 22px; }
.stat span { font-size: 12px; color: var(--muted); }
.workout { border-top: 1px solid var(--line); padding: 12px 0; }
.workout-head { display: flex; justify-content: space-between; align-items: center; }
.workout-head .date { font-weight: 600; }
.workout .note { color: var(--muted); font-size: 13px; }
.empty { color: var(--muted); text-align: center; padding: 24px 0; }
@media (max-width: 560px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .set-row input { width: 72px; }
}
.tab, .brand, #userbox { white-space: nowrap; }
#userbox { display: flex; align-items: center; gap: 8px; }
#userbox[hidden] { display: none; }
@media (max-width: 560px) { .brand { font-size: 14px; } .tab { padding: 8px 10px; } }
/* главная, шаблоны, профиль */
.muted { color: var(--muted); font-size: 13px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 4px; }
.card-head h2 { margin: 0; }
h3 { font-size: 15px; margin: 16px 0 6px; }
.editor { border: 1px solid var(--line); border-radius: 10px; padding: 12px; background: var(--bg); margin: 12px 0; }
.editor input { background: var(--card); }
.tpl-head, .tpl-row { display: grid; grid-template-columns: 1fr 80px auto auto auto; gap: 6px; align-items: center; }
.tpl-head { margin-bottom: 4px; }
#templateRows { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.tpl { border-top: 1px solid var(--line); padding: 12px 0; }
.tpl-top { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.tpl-ex { margin: 6px 0 0; padding-left: 22px; font-size: 14px; }
.plain-list { list-style: none; padding: 0; margin: 0; }
.plain-list li { display: flex; gap: 6px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.last { margin: -2px 0 8px; }
button.link { background: none; color: var(--accent); padding: 0 4px; font-size: 13px; text-decoration: underline; }
.chart svg { width: 100%; height: auto; display: block; }
.chart .axis { stroke: var(--line); }
.chart .lbl { fill: var(--muted); font-size: 11px; }
.chart .val { fill: var(--text); font-size: 11px; font-weight: 600; }
.chart .line { fill: none; stroke: var(--accent); stroke-width: 2.5; }
.chart .dot { fill: var(--accent); }
.chart .dot:hover { r: 6; }
.records table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 14px; }
.records td, .records th { padding: 6px 4px; border-bottom: 1px solid var(--line); text-align: left; }
#view-home[hidden], #view-profile[hidden], #view-friend[hidden] { display: none; }
@media (max-width: 560px) { .tpl-head, .tpl-row { grid-template-columns: 1fr 60px auto auto auto; } }
#username { cursor: pointer; text-decoration: underline dotted; }