/* Стиль общий с сайтом VAIB: белое поле, чёрный шрифт, один голубой акцент, рукописные пометки. */
:root {
  color-scheme: light;
  --canvas: #f6f6f4;
  --sheet: #ffffff;
  --ink: #0c0c0c;
  --muted: #646464;
  --line: #dededa;
  --accent: #0a66c2;
  --sky: #dff4fd;
  --sky-bright: #96e3ff;
  --warn: #fdf2d0;
  --warn-ink: #5c4500;
  --error: #fbe9e4;
  --error-ink: #84210f;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  --display: 'Inter Tight', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --hand: 'Caveat', 'Segoe Print', cursive;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: linear-gradient(180deg, #bde9fb 0, #e4f4f9 300px, var(--canvas) 720px) no-repeat, var(--canvas);
  color: var(--ink);
  font: 16px/1.5 var(--sans);
}

a { color: inherit; text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.1; margin: 0; font-weight: 400; letter-spacing: -.02em; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* Плавающее меню */
.site-header {
  position: sticky;
  top: 12px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1160px;
  margin: 12px auto 0;
  width: calc(100% - 40px);
  padding: 8px 24px 8px 8px;
  background: rgba(255, 255, 255, .97);
  border: 1px solid rgba(12, 12, 12, .08);
  border-radius: 100px;
  box-shadow: 0 10px 30px -18px rgba(0, 0, 0, .35);
}
.brand {
  font: 500 1.3rem/1 var(--display);
  letter-spacing: -.02em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--sky-bright);
  box-shadow: 0 0 0 1px rgba(12, 12, 12, .12);
}
.site-header nav { display: flex; align-items: center; gap: 20px; }
.site-header nav > a { font-size: .88rem; color: var(--muted); text-decoration: none; }
.site-header nav > a:hover { color: var(--ink); }
.header-left { display: flex; align-items: center; gap: 16px; min-width: 0; }
.back-to-site {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 100px;
  background: var(--canvas);
  font-size: .88rem;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .2s;
}
.back-to-site:hover { background: var(--sky); }
.back-to-site img { display: block; width: 68px; height: auto; }

.page { max-width: 1200px; margin: 0 auto; padding: 8px 20px 64px; }
.intro { max-width: 900px; margin: 56px 0 48px; }
.intro-top { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin: 0 0 18px; }
.intro-top .eyebrow { margin: 0; }
.origin { margin: 0; padding: 6px 14px; border-radius: 100px; background: var(--sky); font-size: .92rem; font-weight: 500; color: var(--ink); }
.eyebrow { margin: 0 0 18px; font: 400 .8rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.intro h1 { font-size: clamp(2.6rem, 7vw, 5.6rem); line-height: .98; letter-spacing: -.035em; text-wrap: balance; }
.intro p:not(.eyebrow):not(.hand):not(.origin) { font-size: 1.15rem; color: #3d3d3d; margin: 24px 0 0; max-width: 36em; }
.hand { font: 600 1.45rem/1.05 var(--hand); color: var(--accent); margin: 14px 0 0; transform: rotate(-1.5deg); transform-origin: left; }

.workspace {
  display: grid;
  grid-template-columns: minmax(300px, 370px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.settings, .link-panel, .preview, .saved-link {
  background: var(--sheet);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
}
.settings { display: grid; gap: 24px; }
.results { display: grid; gap: 16px; min-width: 0; }

.field { border: 0; margin: 0; padding: 0; min-width: 0; }
.field > label, legend {
  display: block;
  padding: 0;
  margin-bottom: 10px;
  font: 400 .75rem/1.4 var(--mono);
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
}

input[type="text"] {
  width: 100%;
  min-height: 46px;
  padding: 10px 14px;
  border: 1px solid #bdbdb8;
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}
input[type="text"]:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px var(--sky-bright); }

.hint { color: var(--muted); font-size: .86rem; margin: 8px 0 0; }

.combo { position: relative; }
.combo-list {
  position: absolute;
  z-index: 5;
  inset: calc(100% + 4px) 0 auto;
  margin: 0;
  padding: 4px;
  list-style: none;
  max-height: 320px;
  overflow-y: auto;
  background: var(--sheet);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 16px 36px -12px rgb(0 0 0 / .28);
}
.combo-list li { padding: 8px 10px; border-radius: 8px; cursor: pointer; }
.combo-list li small { display: block; color: var(--muted); }
.combo-list li:hover, .combo-list li[aria-selected="true"] { background: var(--sky); }
.combo-list li.empty { cursor: default; color: var(--muted); background: none; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chips button {
  min-height: 34px;
  padding: 4px 12px;
  border: 0;
  border-radius: 100px;
  background: var(--canvas);
  color: inherit;
  font: inherit;
  font-size: .85rem;
  cursor: pointer;
}
.chips button:hover { background: var(--sky); }
.chips button[aria-pressed="true"] { background: var(--ink); color: #fff; }

.segmented {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 2px;
  padding: 4px;
  background: var(--canvas);
  border-radius: 100px;
}
.segmented label { cursor: pointer; position: relative; }
.segmented input, .formats input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.segmented span { display: block; padding: 8px 4px; border-radius: 100px; text-align: center; font-variant-numeric: tabular-nums; }
.segmented input:checked + span { background: var(--ink); color: #fff; font-weight: 500; }
.segmented input:focus-visible + span, .formats input:focus-visible + span {
  outline: 3px solid var(--accent);
  outline-offset: 1px;
}

.formats { display: grid; gap: 6px; }
.formats label { display: block; position: relative; cursor: pointer; }
.formats span {
  display: block;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: background-color .15s, border-color .15s;
}
.formats b { display: block; font-weight: 500; font-size: .92rem; }
.formats small { display: block; color: var(--muted); overflow-wrap: anywhere; }
.formats input:checked + span { border-color: var(--sky-bright); background: var(--sky); }
.formats input:checked + span small { color: inherit; }

.link-panel h2, .preview h2, .saved-link h2 { font-size: 1.6rem; }
.link-row { display: flex; gap: 8px; margin-top: 14px; }
.link-row input { flex: 1 1 auto; min-width: 0; font: .85rem/1.4 var(--mono); }
.copy-status { min-height: 1.4em; margin: 4px 0 0; font-size: .86rem; color: var(--accent); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 8px 22px;
  border: 1px solid var(--ink);
  border-radius: 100px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 500;
  font-size: .94rem;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}
.button:hover { background: var(--sky-bright); border-color: var(--sky-bright); color: var(--ink); }
.button.primary { background: var(--ink); color: #fff; }
.button.primary:hover { background: #2a2a2a; border-color: #2a2a2a; color: #fff; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-top: 6px; }
.text-link { font-size: .9rem; padding: 4px; }

.notice {
  margin: 10px 0;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--warn);
  color: var(--warn-ink);
  font-size: .9rem;
}
.notice.error { background: var(--error); color: var(--error-ink); }

.preview { container-type: inline-size; }
.preview-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 16px; margin-bottom: 16px; }
.preview-head .hint { margin: 0; }

.weekdays, .days { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 0; }
.weekdays { color: var(--muted); font: 400 .72rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .04em; padding-bottom: 8px; }
.weekdays span { padding-left: 6px; }
.days {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.days:empty { min-height: 280px; border: 0; background: var(--canvas); border-radius: 12px; }
.days li { min-width: 0; display: flex; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.days li.blank { background: var(--canvas); }

.day {
  width: 100%;
  min-height: 112px;
  padding: 6px 5px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.day:hover { background: var(--canvas); }
.day[aria-pressed="true"] { box-shadow: inset 0 0 0 2px var(--ink); }
.day-date { font-size: .8rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.day-chip {
  display: block;
  padding: 4px 6px;
  border-radius: 6px;
  background: var(--sky);
  font-size: .75rem;
  line-height: 1.3;
  overflow-wrap: break-word;
  hyphens: auto;
}
.today .day-date { color: var(--ink); font-weight: 500; }
.today .day-chip { background: var(--sky-bright); }
.past .day-chip { opacity: .6; }

.day-detail { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.day-detail h3 { font-size: 1.2rem; }
.day-detail h3::first-letter { text-transform: uppercase; }
.day-detail p { white-space: pre-line; margin: 6px 0 0; font-size: .92rem; color: var(--muted); }

/* Откуда взялся подарок */
.gift { background: #000; color: #fff; padding: 88px 20px; }
.gift-in { max-width: 1160px; margin: 0 auto; display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px 64px; align-items: end; }
.gift .eyebrow { color: #b4b4b4; }
.gift h2 { font-size: clamp(2.2rem, 4.6vw, 3.8rem); line-height: 1.02; letter-spacing: -.035em; text-wrap: balance; }
.gift p:not(.eyebrow):not(.hand) { margin: 0 0 24px; color: #dadada; font-size: 1.05rem; }
.gift .hand { color: var(--sky-bright); margin-top: 18px; }
.gift .button { background: var(--sky-bright); border-color: var(--sky-bright); color: var(--ink); min-height: 54px; padding: 8px 30px; white-space: normal; text-align: center; }
.gift .button:hover { background: #fff; border-color: #fff; }

.site-footer {
  background: #000;
  color: #b4b4b4;
  padding: 24px 20px 36px;
  font-size: .84rem;
  border-top: 1px solid #2e2e2e;
}
.site-footer p { max-width: 1160px; margin: 0 auto; }

.guide { max-width: 800px; }
.guide h1 { font-size: clamp(2.4rem, 6vw, 4rem); line-height: 1; letter-spacing: -.035em; margin-top: 56px; }
.guide .lead { font-size: 1.1rem; color: #3d3d3d; margin-top: 18px; }
.guide section { margin-top: 44px; scroll-margin-top: 96px; }
.guide section > h2 { font-size: 2rem; padding-bottom: 10px; border-bottom: 1px solid var(--ink); }
.guide section h3 { font-size: 1.2rem; margin-top: 22px; }
.guide section p { margin: 10px 0; }
.guide ol { padding-left: 1.5em; margin: 10px 0; }
.guide li { margin: 6px 0; }
.guide code { font: .9em var(--mono); }
.guide .saved-link { margin-top: 24px; }
.guide .saved-link > h2 { font-size: 1.6rem; padding: 0; border: 0; }
.guide-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.guide-nav a {
  padding: 7px 16px;
  border-radius: 100px;
  text-decoration: none;
  background: var(--sheet);
  border: 1px solid var(--line);
}
.guide-nav a:hover { background: var(--sky-bright); border-color: var(--sky-bright); }

@media (max-width: 900px) {
  .workspace { grid-template-columns: minmax(0, 1fr); }
  .gift-in { grid-template-columns: minmax(0, 1fr); align-items: start; }
}

@media (max-width: 640px) {
  .site-header { width: calc(100% - 24px); top: 8px; margin-top: 8px; padding: 6px 14px 6px 6px; }
  .site-header nav > a { display: none; }
  .header-left { gap: 10px; }
  .back-to-site { padding: 8px 12px; gap: 6px; }
  .back-to-site img { width: 56px; }
  .brand { font-size: 1.05rem; }
  .brand::before { display: none; }
  .page { padding: 4px 16px 44px; }
  .intro { margin: 36px 0 32px; }
  .settings, .link-panel, .preview, .saved-link { padding: 18px; }
  .link-row { flex-direction: column; }
  .actions .button { width: 100%; white-space: normal; text-align: center; }
  .gift { padding: 64px 16px; }
  .gift .button { width: 100%; }
  .site-footer { padding: 20px 16px 28px; }
}

/* В узкой панели недельная сетка нечитаема, поэтому дни идут списком. */
@container (max-width: 680px) {
  .weekdays { display: none; }
  .days { grid-template-columns: minmax(0, 1fr); }
  .days li.blank { display: none; }
  .day { min-height: 52px; flex-direction: row; align-items: center; gap: 10px; padding: 6px; }
  .day-date { flex: 0 0 82px; }
  .day-chip { flex: 1 1 auto; font-size: .9rem; padding: 5px 8px; }
}

@media (prefers-reduced-motion: no-preference) {
  .button, .day, .chips button { transition: background-color .12s ease, border-color .12s ease; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* Закрытая страница статистики */
.stats { padding-top: 48px; }
.stats h1 { font-size: clamp(2.4rem, 6vw, 4rem); letter-spacing: -.035em; line-height: 1; }
.stats h2 { font-size: 1.5rem; margin: 48px 0 16px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin-top: 32px; }
.stat-tile { background: var(--sheet); border: 1px solid var(--line); border-radius: 20px; padding: 22px; display: flex; flex-direction: column; gap: 6px; }
.stat-tile b { font: 500 3rem/1 var(--display); letter-spacing: -.03em; }
.stat-tile span { font-weight: 500; }
.stat-tile small { color: var(--muted); line-height: 1.35; }
.stat-clients { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 24px; }
.stat-table { overflow-x: auto; background: var(--sheet); border: 1px solid var(--line); border-radius: 20px; }
.stat-table table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.stat-table th, .stat-table td { padding: 11px 16px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
.stat-table tr:last-child td { border-bottom: 0; }
.stat-table th { font-weight: 500; color: var(--muted); }
.stat-table th:first-child, .stat-table td:first-child { text-align: left; }
.stat-note { color: var(--muted); margin-top: 24px; max-width: 46em; line-height: 1.5; }