:root {
  --bg: #f7f5f2; --card: #ffffff; --ink: #141414; --ink-2: #3d3a37; --muted: #8a847e; --line: #e8e3dd;
  --soft: #f1ede8; --sand: #c9a98c; --sand-soft: #f4ebe2; --ok: #2f6f4b; --ok-soft: #e8f2ec; --err: #a3271f; --err-soft: #fbeceb;
  --radius: 14px; --shadow: 0 1px 2px rgba(20, 20, 20, .04), 0 8px 24px rgba(20, 20, 20, .05);
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { scroll-padding-top: 90px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 "Heebo", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; padding: 0; }
button:disabled { cursor: default; }
:focus-visible { outline: 2px solid var(--sand); outline-offset: 2px; }

/* header */
.top { position: sticky; top: 0; z-index: 10; background: rgba(247, 245, 242, .92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top-in { max-width: 760px; margin: 0 auto; padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.logo { height: 22px; display: block; }
.top-title { font-size: 13px; letter-spacing: .08em; color: var(--muted); }
.icon-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--ink-2); text-decoration: none; padding: 8px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); }
.icon-link:hover { border-color: var(--ink); }

main { max-width: 760px; margin: 0 auto; padding: 20px 16px 140px; display: grid; gap: 14px; }
.intro h1 { font-size: 26px; font-weight: 300; margin: 8px 0 2px; letter-spacing: -.01em; }
.intro p { margin: 0; color: var(--muted); }

/* step cards */
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; transition: opacity .2s; }
.step.locked { opacity: .45; pointer-events: none; }
.step-head { display: flex; align-items: center; gap: 12px; padding: 16px 18px; width: 100%; text-align: start; }
.step-num { flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-size: 13px; font-weight: 600; border: 1.5px solid var(--ink); }
.step.done .step-num { background: var(--ink); color: #fff; }
.step-title { font-weight: 500; }
.step-value { color: var(--muted); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.step-text { flex: 1; min-width: 0; display: grid; }
.step-edit { font-size: 13px; color: var(--ink-2); text-decoration: underline; text-underline-offset: 3px; }
.step-body { padding: 0 18px 18px; }
.step.collapsed .step-body { display: none; }

/* treatment folders */
.folders { display: grid; gap: 10px; }
.folder { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.folder-head { width: 100%; display: flex; align-items: center; gap: 14px; padding: 14px 16px; text-align: start; }
.folder-head:hover { background: var(--soft); }
.folder-tag { font-weight: 600; letter-spacing: .04em; font-size: 15px; min-width: 50px; }
.folder-name { flex: 1; display: grid; }
.folder-name small { color: var(--muted); font-size: 13px; }
.folder-count { font-size: 12px; color: var(--muted); background: var(--soft); padding: 2px 10px; border-radius: 999px; }
.chev { transition: transform .2s; color: var(--muted); }
.folder.open .chev { transform: rotate(180deg); }
.folder.open .folder-head { background: var(--soft); }
.folder-list { display: none; padding: 6px; border-top: 1px solid var(--line); }
.folder.open .folder-list { display: grid; }
.folder-sub { font-size: 12px; letter-spacing: .06em; color: var(--muted); padding: 10px 12px 4px; }
.folder-sub:not(:first-child) { border-top: 1px solid var(--line); margin-top: 6px; padding-top: 12px; }
.cal-item { text-align: start; padding: 11px 12px; border-radius: 8px; display: flex; justify-content: space-between; gap: 10px; }
.cal-item:hover { background: var(--soft); }
.cal-item.on { background: var(--ink); color: #fff; }
.cal-item .dur { font-size: 12px; opacity: .6; white-space: nowrap; }

/* people */
.sub { font-size: 12px; letter-spacing: .06em; color: var(--muted); margin: 4px 0 8px; display: flex; justify-content: space-between; align-items: center; }
.sub button { font-size: 13px; color: var(--ink-2); text-decoration: underline; text-underline-offset: 3px; letter-spacing: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 6px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); transition: all .15s; }
.chip:hover { border-color: var(--ink-2); }
.chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.chip.group { padding: 8px 16px; background: var(--sand-soft); border-color: transparent; }
.chip.group.on { background: var(--ink); }
.avatar { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 600; background: var(--soft); color: var(--ink-2); }
.chip.on .avatar { background: rgba(255, 255, 255, .18); color: #fff; }
.groups-row { margin-bottom: 16px; }

/* dates */
.range { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; font-size: 14px; color: var(--ink-2); }
.nav-btn { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; }
.nav-btn:hover:not(:disabled) { border-color: var(--ink); }
.nav-btn:disabled { opacity: .3; }
.days { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: thin; scroll-snap-type: x proximity; }
.day { flex: none; width: 64px; padding: 10px 0; border: 1px solid var(--line); border-radius: 12px; display: grid; justify-items: center; gap: 2px; scroll-snap-align: start; }
.day .dw { font-size: 12px; color: var(--muted); }
.day .dn { font-size: 20px; font-weight: 500; line-height: 1.1; }
.day .dc { font-size: 11px; color: var(--muted); }
.day:hover:not(:disabled) { border-color: var(--ink); }
.day:disabled { opacity: .35; }
.day.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.day.on .dw, .day.on .dc { color: rgba(255, 255, 255, .7); }
.times { display: grid; grid-template-columns: repeat(auto-fill, minmax(78px, 1fr)); gap: 8px; margin-top: 14px; }
.time { padding: 10px 0; border: 1px solid var(--line); border-radius: 10px; font-variant-numeric: tabular-nums; font-weight: 500; }
.time:hover { border-color: var(--ink); }
.time.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.empty { color: var(--muted); padding: 18px; text-align: center; background: var(--soft); border-radius: 12px; font-size: 14px; }
.skeleton { height: 74px; border-radius: 12px; background: linear-gradient(90deg, var(--soft), #fbfaf8, var(--soft)); background-size: 200% 100%; animation: sh 1.2s infinite; }
@keyframes sh { to { background-position: -200% 0; } }

/* contact */
.search { position: relative; }
.search input { width: 100%; font: inherit; padding: 13px 44px 13px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--ink); }
.search input:focus { outline: none; border-color: var(--ink); }
.search svg { position: absolute; inset-inline-start: 14px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.results { margin-top: 8px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.results:empty { display: none; }
.result { width: 100%; display: flex; justify-content: space-between; gap: 10px; padding: 12px 14px; text-align: start; border-bottom: 1px solid var(--line); }
.result:last-child { border-bottom: 0; }
.result:hover { background: var(--soft); }
.result .ph { color: var(--muted); direction: ltr; font-size: 14px; }
.result.none { color: var(--muted); cursor: default; }
.person { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--ink); border-radius: 12px; }
.person .avatar { width: 38px; height: 38px; font-size: 14px; }
.person .meta { flex: 1; display: grid; }
.person .meta small { color: var(--muted); direction: ltr; text-align: end; justify-self: start; }

/* bottom bar */
.bar { position: fixed; inset-inline: 0; bottom: 0; z-index: 10; background: var(--card); border-top: 1px solid var(--line); box-shadow: 0 -8px 24px rgba(20, 20, 20, .06); transform: translateY(110%); transition: transform .25s; }
.bar.show { transform: none; }
.bar-in { max-width: 760px; margin: 0 auto; padding: 12px 16px calc(12px + env(safe-area-inset-bottom)); display: flex; gap: 12px; align-items: center; }
.bar-sum { flex: 1; min-width: 0; font-size: 14px; display: grid; }
.bar-sum strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
.bar-sum span { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.btn { padding: 13px 22px; border-radius: 999px; background: var(--ink); color: #fff; font-weight: 500; white-space: nowrap; transition: opacity .15s; }
.btn:disabled { opacity: .3; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }

/* messages + modal */
.msg { padding: 12px 14px; border-radius: 12px; font-size: 14px; margin-top: 12px; }
.msg.ok { background: var(--ok-soft); color: var(--ok); }
.msg.err { background: var(--err-soft); color: var(--err); }
.modal { position: fixed; inset: 0; z-index: 20; background: rgba(20, 20, 20, .4); display: grid; place-items: center; padding: 16px; }
.modal[hidden] { display: none; }
.modal-card { background: var(--card); border-radius: 18px; padding: 28px 24px; max-width: 420px; width: 100%; text-align: center; box-shadow: var(--shadow); }
.check { width: 56px; height: 56px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; margin: 0 auto 14px; }
.modal-card h2 { margin: 0 0 6px; font-weight: 400; }
.modal-card p { margin: 0 0 4px; color: var(--ink-2); }
.modal-card .actions { display: flex; gap: 8px; justify-content: center; margin-top: 20px; }
.spin { width: 16px; height: 16px; border: 2px solid rgba(255, 255, 255, .4); border-top-color: #fff; border-radius: 50%; animation: rot .7s linear infinite; display: inline-block; vertical-align: -3px; }
@keyframes rot { to { transform: rotate(360deg); } }

/* settings */
.field { width: 100%; font: inherit; padding: 13px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--ink); }
.field:focus { outline: none; border-color: var(--ink); }
.group-row { display: flex; gap: 12px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
.group-row:last-child { border-bottom: 0; }
.group-row .meta { flex: 1; min-width: 0; }
.group-row .meta small { color: var(--muted); display: block; }
.link-btn { font-size: 14px; padding: 6px 10px; border-radius: 8px; color: var(--ink-2); }
.link-btn:hover { background: var(--soft); }
.link-btn.danger { color: var(--err); }
.row-actions { display: flex; gap: 8px; margin-top: 16px; }
.hidden { display: none !important; }

@media (max-width: 520px) {
  .intro h1 { font-size: 22px; }
  .top-title { display: none; }
  .folder-name small { display: none; }
}