:root {
  --bg: #f6f4ef; --card: #fffdf9; --fg: #22252b; --muted: #7a7d84; --line: #e4e0d6;
  --accent: #3d5a80; --on: #22252b; --onfg: #fffdf9; --zone: rgba(212, 72, 47, .07); --zone-low: rgba(47, 75, 143, .08);
  --norm: rgba(96, 160, 110, .14); --sleep: #8ea9c9; --short: #d4482f; --long: #6b7fb0; --energy: #2f7d5c;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root:not(.print) {
    --bg: #16181c; --card: #1f2227; --fg: #e9e7e2; --muted: #969aa3; --line: #2f333a; --on: #e9e7e2; --onfg: #16181c;
    --accent: #8fb0dc; --sleep: #5d7799; --energy: #5cc196;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); }
body { padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); }
button, input, textarea { font: inherit; color: inherit; }
a { color: inherit; }
#app { max-width: 760px; margin: 0 auto; padding: 0 14px 60px; }
#app.loading { min-height: 100vh; }
.muted { color: var(--muted); font-weight: 400; font-size: .85em; }
h1 { font-size: 1.4rem; margin: 0; }
h2 { font-size: 1rem; margin: 0 0 10px; }

/* навигация */
.top { position: sticky; top: 0; z-index: 5; background: var(--bg); padding: 10px 0 8px; }
.top nav { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 4px; }
.top a { text-align: center; text-decoration: none; padding: 8px 2px; border-radius: 9px; font-size: .92rem; color: var(--muted); }
.top a.on { background: var(--on); color: var(--onfg); }

.daynav { display: grid; grid-template-columns: 44px 1fr 44px; align-items: center; text-align: center; margin: 8px 0 12px; }
.daynav > a { font-size: 2rem; text-decoration: none; line-height: 1; padding: 4px; color: var(--muted); }
.daynav span { color: var(--muted); font-size: .9rem; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px; margin-bottom: 12px; }
.card.two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 520px) { .card.two { grid-template-columns: 1fr; } }

/* шкалы */
.mood-row { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.mood-btn { border: 2px solid transparent; border-radius: 12px; padding: 14px 0; background: color-mix(in srgb, var(--c) 28%, var(--card)); cursor: pointer; }
.mood-btn b { font-size: 1.1rem; }
.mood-btn.on { background: var(--c); border-color: var(--fg); color: #fff; }
.mood-btn[data-v="0"].on { color: #22252b; }
.hint { min-height: 2.6em; margin: 10px 0 4px; font-size: .92rem; }
.scale { display: flex; gap: 5px; flex-wrap: wrap; }
.scale button { flex: 1 1 0; min-width: 44px; border: 1px solid var(--line); background: transparent; border-radius: 10px; padding: 8px 4px; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 2px; }
.scale button small { font-size: .7rem; color: var(--muted); line-height: 1.1; }
.scale button.on { background: var(--on); color: var(--onfg); border-color: var(--on); }
.scale button.on small { color: inherit; opacity: .8; }
details summary { cursor: pointer; color: var(--accent); font-size: .92rem; margin-top: 6px; }
.sub { display: block; font-size: .85rem; color: var(--muted); margin: 10px 0 5px; }

.sleep-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.sleep-row label { font-size: .85rem; color: var(--muted); display: flex; flex-direction: column; gap: 4px; }
input[type=time], input[type=number], input[type=date], input:not([type]), input[type=password], textarea {
  border: 1px solid var(--line); background: var(--bg); border-radius: 10px; padding: 9px 10px; width: 100%; font-size: 1rem;
}
textarea { margin-top: 10px; resize: vertical; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags button { border: 1px solid var(--line); background: transparent; border-radius: 99px; padding: 6px 12px; cursor: pointer; font-size: .9rem; }
.tags button.on { background: var(--on); color: var(--onfg); border-color: var(--on); }
.tags .add-tag { border-style: dashed; color: var(--muted); }

.savebar { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: .9rem; min-height: 32px; }
.savebar .clear { background: none; border: none; color: var(--muted); text-decoration: underline; cursor: pointer; }

/* календарь */
.cal .wd, .cal .grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.cal .wd span { text-align: center; color: var(--muted); font-size: .8rem; padding-bottom: 4px; }
.cell { aspect-ratio: 1; border-radius: 10px; text-decoration: none; padding: 5px; display: flex; flex-direction: column; justify-content: space-between;
  background: color-mix(in srgb, var(--c, transparent) 85%, var(--card)); border: 1px solid var(--line); position: relative; }
.cell.empty { background: var(--card); }
.cell.future { opacity: .35; pointer-events: none; }
.cell.today { outline: 2px solid var(--fg); outline-offset: 1px; }
.cell .n { font-size: .75rem; opacity: .75; }
.cell b { font-size: 1rem; align-self: center; }
.cell small { font-size: .65rem; opacity: .8; align-self: flex-end; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 14px; font-size: .8rem; color: var(--muted); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }

/* графики */
.periods { display: flex; gap: 6px; margin: 8px 0 12px; overflow-x: auto; }
.periods a { text-decoration: none; border: 1px solid var(--line); border-radius: 99px; padding: 6px 12px; font-size: .9rem; white-space: nowrap; }
.periods a.on { background: var(--on); color: var(--onfg); }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 12px; }
@media (max-width: 520px) { .metrics { grid-template-columns: repeat(2, 1fr); } }
.metrics div { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px; display: flex; flex-direction: column; gap: 2px; }
.metrics b { font-size: 1.15rem; }
.metrics span { font-size: .78rem; color: var(--muted); }
.chart { width: 100%; height: auto; display: block; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .axis { stroke: var(--muted); stroke-width: 1.2; }
.chart .lbl { fill: var(--muted); font-size: 13px; }
.chart .weekend { fill: var(--fg); opacity: .035; }
.chart .zone-high { fill: var(--zone); }
.chart .zone-low { fill: var(--zone-low); }
.chart .zone-norm { fill: var(--norm); }
.chart .range { stroke: var(--fg); stroke-width: 2; opacity: .45; }
.chart .sleep { fill: var(--sleep); }
.chart .sleep-short { fill: var(--short); }
.chart .sleep-long { fill: var(--long); }
.chart .energy-line { fill: none; stroke: var(--energy); stroke-width: 2.5; }
.chart .energy-dot { fill: var(--energy); }

/* отчёт */
.report-ctl { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; margin: 8px 0 14px; }
.report-ctl label { display: flex; flex-direction: column; font-size: .8rem; color: var(--muted); gap: 3px; }
.report-ctl button, .btn { border: 1px solid var(--on); background: var(--on); color: var(--onfg); border-radius: 10px; padding: 9px 12px; cursor: pointer; text-decoration: none; font-size: .92rem; }
.btn.ghost, .report-ctl button[type=submit] { background: transparent; color: var(--fg); border-color: var(--line); }
.report { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.report header p { color: var(--muted); margin: 4px 0 14px; }
.report h2 { margin-top: 18px; }
.phases { margin: 0; padding-left: 18px; columns: 2; font-size: .9rem; }
table.days { width: 100%; border-collapse: collapse; font-size: .82rem; }
table.days th, table.days td { border-bottom: 1px solid var(--line); padding: 5px 4px; text-align: left; vertical-align: top; }
table.days th { font-weight: 600; color: var(--muted); }
table.days td small { color: var(--muted); }
table.days tr.miss td { color: var(--muted); font-style: italic; }
table.days td.note { max-width: 260px; }
.sw { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 4px; }
.tag { display: inline-block; border: 1px solid var(--line); border-radius: 6px; padding: 0 5px; font-size: .75rem; }
.tag.flag { border-color: var(--short); }

/* вход */
.login { max-width: 320px; margin: 18vh auto 0; display: flex; flex-direction: column; gap: 12px; }
.login h1 { text-align: center; margin-bottom: 8px; }
.login label { display: flex; flex-direction: column; gap: 4px; font-size: .9rem; color: var(--muted); }
.login button { border: none; background: var(--on); color: var(--onfg); border-radius: 10px; padding: 12px; font-size: 1rem; cursor: pointer; }
.login .err { color: var(--short); text-align: center; margin: 0; }
.fatal { margin: 30vh auto; text-align: center; }

@media print {
  @page { size: A4; margin: 12mm; }
  :root { --bg: #fff; --card: #fff; --fg: #000; --muted: #555; --line: #ccc; }
  .top, .no-print { display: none !important; }
  #app { max-width: none; padding: 0; }
  .report { border: none; padding: 0; }
  .metrics div { break-inside: avoid; }
  table.days tr { break-inside: avoid; }
  .chart { break-inside: avoid; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

/* узкие экраны: элементы сетки не распирают карточку */
.mood-row > *, .sleep-row > *, .scale > *, .card.two > *, .metrics > *, .cal .grid > * { min-width: 0; }
.scale button { min-width: 0; }
.scale button small { overflow-wrap: anywhere; }
input[type=time] { min-width: 0; }
@media (max-width: 420px) {
  #app { padding: 0 10px 60px; }
  .top a { font-size: .82rem; }
  .card { padding: 12px; }
  .mood-row { gap: 4px; }
  .scale { gap: 4px; }
  .scale button small { font-size: .62rem; }
}

/* поля формы, построенные из FIELDS */
.field { margin-top: 12px; }
.field:first-child { margin-top: 0; }
.field[hidden] { display: none; }
.flabel { display: block; font-size: .88rem; color: var(--muted); margin-bottom: 6px; }
.field textarea { margin-top: 0; }
.choices { display: flex; flex-wrap: wrap; gap: 6px; }
.choices button { border: 1px solid var(--line); background: transparent; border-radius: 10px; padding: 8px 12px; cursor: pointer; font-size: .9rem; text-align: left; }
.choices button.on { background: var(--on); color: var(--onfg); border-color: var(--on); }
.sleep-more { display: grid; grid-template-columns: 1fr 1fr; gap: 0 10px; }
.sleep-more .field:nth-child(n+3) { grid-column: 1 / -1; }
.sleep-more .field:first-child, .sleep-more .field:nth-child(2) { margin-top: 12px; }
.note-late { background: color-mix(in srgb, var(--accent) 12%, var(--card)); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; font-size: .88rem; margin: 0 0 12px; }
.safety-help[hidden] { display: none; }
.callout { margin-top: 12px; border-left: 3px solid var(--short); padding: 4px 0 4px 12px; font-size: .92rem; }
.callout p { margin: 0 0 8px; }
.lines { list-style: none; padding: 0; margin: 8px 0; display: flex; flex-direction: column; gap: 8px; }
.lines li { display: grid; grid-template-columns: 120px 1fr; gap: 10px; align-items: baseline; }
.lines a { font-weight: 700; font-size: 1.1rem; text-decoration: none; color: var(--accent); }
.lines span { font-size: .88rem; }
.help h2 { margin-top: 16px; }
.help ul:not(.lines) { padding-left: 18px; font-size: .92rem; }
.help li { margin-bottom: 6px; }
.foot { text-align: center; margin-top: 24px; }
.help-link { color: var(--muted); font-size: .85rem; }
.act { color: var(--short); font-style: normal; font-size: .75em; }
.chart .mark-act { fill: var(--energy); }
.chart .mark-mixed { fill: var(--short); }
.chart .sleep-flag { fill: #8a5bb8; }
.chart .nap { fill: var(--sleep); opacity: .45; }
.report-ctl .chk { flex-direction: row; align-items: center; gap: 5px; font-size: .88rem; padding-bottom: 9px; }
.report-ctl p { flex-basis: 100%; margin: 0; }
.anchors { font-size: .82rem; display: flex; flex-direction: column; gap: 4px; }
.small { font-size: .78rem; }
@media (max-width: 480px) {
  .lines li { grid-template-columns: 100px 1fr; }
}
@media print {
  .foot { display: none; }
  .report .muted.small { font-size: .7rem; }
}
table.days td:first-child, table.days th { white-space: nowrap; }
.bad { border-color: var(--short) !important; outline: 1px solid var(--short); }