:root{
  --bg:#faf7f4; --surface:#fff; --ink:#3a322c; --muted:#9a8d82;
  --accent:#b99a7d; --accent-ink:#fff; --line:#ece4dc; --alert:#b4574a;
  --radius:16px; --tap:52px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  background:var(--bg); color:var(--ink);
  font:16px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  -webkit-text-size-adjust:100%;
}
.shell{max-width:640px;margin:0 auto;padding:16px 16px calc(96px + env(safe-area-inset-bottom))}
a{color:inherit;text-decoration:none}
.muted{color:var(--muted);font-weight:400}
.hint{color:var(--muted);font-size:14px;margin:4px 0 0}
.empty{color:var(--muted);text-align:center;padding:48px 16px}
.note{color:var(--ink);margin:8px 0;line-height:1.5}
.alert{background:#fdecea;color:var(--alert);padding:12px 14px;border-radius:12px;margin:0 0 16px}

.head{display:flex;align-items:center;gap:12px;margin:8px 0 20px}
.head-nav{display:flex;align-items:center;justify-content:space-between;width:100%}
.head-title{font-size:26px;font-weight:600;margin:0;letter-spacing:-.01em}
.head-title small{display:block;font-size:14px;font-weight:400;color:var(--muted)}

.chip{
  display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;
  padding:0 12px;border-radius:12px;background:var(--surface);border:1px solid var(--line);
  font-size:18px;color:var(--muted)
}
.chip-static{font-size:13px;height:32px;min-width:0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}

.cards,.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.card-main{display:flex;gap:14px;align-items:flex-start;padding:14px 16px;min-height:var(--tap)}
.card-time{font-variant-numeric:tabular-nums;font-weight:600;font-size:18px;min-width:52px}
.card-body{display:flex;flex-direction:column;gap:2px}
.card-name{font-weight:600}
.card-sub{color:var(--muted);font-size:14px}
.card-actions{display:flex;gap:8px;padding:0 16px 14px;flex-wrap:wrap}

.avatar{
  width:42px;height:42px;border-radius:50%;background:var(--bg);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:var(--accent);flex:none
}

.section{margin:28px 0}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.section-title{font-size:15px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:0}

.sheet{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin-bottom:10px}
.sheet-current{border-color:var(--accent)}
.sheet-head{display:flex;justify-content:space-between;gap:12px;margin-bottom:10px;font-size:14px;color:var(--muted)}
.sheet-date{font-variant-numeric:tabular-nums}
.sheet-foot{display:flex;gap:16px;margin-top:10px;padding-top:10px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.row{display:flex;gap:12px;padding:4px 0;align-items:baseline}
.row-zone{min-width:88px;color:var(--muted);font-size:14px;flex:none}
.row-formula{font-size:16px}
.row-formula b{font-weight:600}
.row-formula i{font-style:normal;color:var(--muted);font-size:14px}
.row-ratio{margin-left:10px;color:var(--muted);font-size:14px}

.stack{display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field-inline{flex-direction:row;align-items:center;gap:12px}
.field-inline .field-label{flex:none}
.field-pair{display:flex;gap:12px}
.field-pair .field{flex:1}
.field-label{font-size:13px;color:var(--muted)}
.field-input{
  width:100%;min-height:var(--tap);padding:12px 14px;font:inherit;color:var(--ink);
  background:var(--surface);border:1px solid var(--line);border-radius:12px;-webkit-appearance:none
}
.field-input:focus{outline:none;border-color:var(--accent)}
textarea.field-input{min-height:auto}
.search{margin-bottom:16px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:var(--tap);
  padding:0 20px;border-radius:12px;border:1px solid transparent;font:inherit;font-weight:500;
  cursor:pointer;background:var(--surface);color:var(--ink)
}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-quiet{border-color:var(--line);color:var(--muted);min-height:40px;padding:0 14px;font-size:14px}
.btn-channel{border-color:var(--line);flex:1;min-width:120px}
.btn-tiny{min-height:32px;padding:0 10px;color:var(--muted);font-size:18px;background:none}
.channels{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}

.message{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;white-space:pre-wrap;word-break:break-word;font:inherit;margin:0
}

.list-row{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:8px 12px;min-height:var(--tap)}
.list-row.is-done .list-title{color:var(--muted);text-decoration:line-through}
.list-title{flex:1}
.list-toggle{display:flex}
.tick{width:28px;height:28px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--accent);font-size:16px;cursor:pointer}
.hours{list-style:none;margin:8px 0 0;padding:0}
.hours li{display:flex;justify-content:space-between;padding:4px 0;color:var(--muted);font-size:14px}

.fab{
  position:fixed;right:18px;bottom:calc(84px + env(safe-area-inset-bottom));
  width:56px;height:56px;border-radius:50%;background:var(--accent);color:var(--accent-ink);
  font-size:0;box-shadow:0 6px 20px rgba(58,50,44,.18)
}
.fab::before,.fab::after{content:"";position:absolute;top:50%;left:50%;background:currentColor;border-radius:1px}
.fab::before{width:22px;height:2px;transform:translate(-50%,-50%)}
.fab::after{width:2px;height:22px;transform:translate(-50%,-50%)}

.tabbar{
  position:fixed;left:0;right:0;bottom:0;display:flex;background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom)
}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 4px;font-size:11px;color:var(--muted)}
.tab.is-active{color:var(--accent)}
.tab-glyph{font-size:19px;line-height:1}

.toast{
  position:fixed;left:50%;transform:translateX(-50%);bottom:calc(100px + env(safe-area-inset-bottom));
  background:var(--ink);color:#fff;padding:12px 18px;border-radius:12px;font-size:14px;z-index:10;
  max-width:calc(100% - 32px);text-align:center
}
.auth{max-width:360px;margin:12vh auto 0;display:flex;flex-direction:column;gap:20px}
.auth-mark{font-size:24px;font-weight:600;text-align:center;margin:0}
.auth-form{display:flex;flex-direction:column;gap:16px}
.pin-input{letter-spacing:.5em;text-align:center;font-size:22px}
details summary{cursor:pointer;list-style:none;padding:12px 0}
details summary::-webkit-details-marker{display:none}

.rows{display:flex;flex-direction:column;gap:14px}
.frow{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;display:flex;flex-direction:column;gap:10px}
.frow-head{display:flex;gap:8px;align-items:center}
.frow-head .frow-zone{flex:1}
.frow-quick{display:flex;gap:8px}
.frow-quick button{cursor:pointer}
.fcomps{display:flex;flex-direction:column;gap:8px}
.fcomp{display:flex;gap:8px}
.fcomp-code{flex:2}
.fcomp-amount{flex:1}
.frow-mix{display:flex;gap:8px}
.frow-mix input{flex:1}

.step{color:var(--muted);font-size:13px;margin:0 0 2px;text-transform:uppercase;letter-spacing:.06em}
.auth-alt{display:block;text-align:center;color:var(--muted);font-size:14px}
.skip{display:flex;margin:14px auto 0;width:fit-content}
.fieldset{border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;margin:0;background:var(--surface);display:flex;flex-direction:column;gap:10px}
.pick{display:flex;align-items:center;gap:10px;width:100%;cursor:pointer}
.pick input{width:22px;height:22px;accent-color:var(--accent);flex:none}
.pick-chip{width:auto;padding:6px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);gap:6px}
.chip.is-on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}

.card-formula{padding:0 16px 10px;border-top:1px solid var(--line);margin-top:4px;padding-top:10px}
.card-formula .row{padding:2px 0}
.card-formula .row-zone{min-width:72px;font-size:13px}
.card-formula .row-formula{font-size:14px}
.card-formula-date{display:block;color:var(--muted);font-size:12px;margin-top:6px}

/* App-like motion: cross-page transitions, tap feedback, live-list rows */
@view-transition { navigation: auto; }

@media (prefers-reduced-motion: no-preference) {
  .card, .sheet, .list-row, .btn, .tick, .fab, .frow, .chip {
    transition: transform .12s ease, box-shadow .12s ease;
  }
  .card:active, .sheet:active, .list-row:active, .btn:active { transform: scale(.98); }
  .tick:active { transform: scale(.85); }
  .fab:active { transform: scale(.9); }
  .tab:active { opacity: .6; }
}

@keyframes rowEnter { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.row-enter { animation: rowEnter .28s cubic-bezier(.2, .7, .2, 1); }
@keyframes rowLeave { to { opacity: 0; transform: translateX(28px); } }
.row-leave { animation: rowLeave .17s ease forwards; }

/* Edit disclosure in the client card - must read as a tappable control, not a label */
.edit-toggle {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  min-height: var(--tap); padding: 0 16px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  font-weight: 500; color: var(--ink); cursor: pointer;
}
.edit-toggle::after { content: "\203A"; color: var(--muted); font-size: 22px; line-height: 1; transition: transform .2s ease; }
details[open] .edit-toggle::after { transform: rotate(90deg); }

/* Save-in-progress: swap the button label for a spinner */
.btn.is-loading { font-size: 0; pointer-events: none; }
.btn.is-loading::after {
  content: ""; display: inline-block; width: 18px; height: 18px;
  border: 2px solid currentColor; border-top-color: transparent; border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }