:root {
  --bg: #111827;
  --card: #1f2937;
  --card2: #0b1220;
  --peach: #ffa3ab;
  --peach-dim: rgba(255,163,171,0.15);
  --gray: #9ca3af;
  --gray-dim: #6b7280;
  --line: #374151;
  --green: #34d399;
  --red: #f87171;
  --amber: #fbbf24;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; background: var(--bg); color: #e5e7eb;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
#app { max-width: 480px; margin: 0 auto; min-height: 100vh; display: flex; flex-direction: column; }
#view { flex: 1; padding: 18px 16px 90px; }

h1 { font-size: 22px; margin: 4px 0 2px; }
.sub { color: var(--gray); font-size: 13px; margin-bottom: 18px; }
.card { background: var(--card); border-radius: 16px; padding: 18px; margin-bottom: 14px; border: 1px solid #26313f; }
.card.tight { padding: 14px 16px; }

/* Today hero */
.status-badge { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px;
  padding: 6px 14px; border-radius: 999px; letter-spacing: .5px; text-transform: uppercase; }
.status-fast { background: var(--peach-dim); color: var(--peach); }
.status-feast { background: rgba(52,211,153,0.15); color: var(--green); }
.hero { text-align: center; padding: 26px 18px; }
.hero .streak-num { font-size: 68px; font-weight: 800; color: var(--peach); line-height: 1; margin: 10px 0 2px; }
.hero .streak-label { color: var(--gray); font-size: 13px; text-transform: uppercase; letter-spacing: 1px; }
.hero .date { color: var(--gray-dim); font-size: 13px; margin-top: 8px; }

.checkin-row { display: flex; gap: 10px; margin-top: 16px; }
.btn { flex: 1; border: none; border-radius: 12px; padding: 15px; font-size: 15px; font-weight: 700;
  cursor: pointer; transition: transform .05s, filter .15s; }
.btn:active { transform: scale(.97); }
.btn-liquid { background: var(--peach); color: #3a1418; }
.btn-broke { background: #2a1518; color: var(--red); border: 1px solid #4a2226; }
.btn-ghost { background: var(--card2); color: #e5e7eb; border: 1px solid #2a3444; }
.btn.done { filter: saturate(1.2); box-shadow: 0 0 0 2px var(--peach) inset; }
.btn.done-broke { box-shadow: 0 0 0 2px var(--red) inset; }

.weigh { display: flex; gap: 10px; margin-top: 4px; }
.weigh input { flex: 1; background: var(--card2); border: 1px solid #2a3444; border-radius: 12px;
  color: #fff; font-size: 20px; padding: 13px 14px; text-align: center; }
.weigh input:focus { outline: none; border-color: var(--peach); }
.label { color: var(--gray); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 8px; }

/* stat grid */
.stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.stat { background: var(--card2); border-radius: 12px; padding: 12px; text-align: center; }
.stat .v { font-size: 22px; font-weight: 800; }
.stat .v.peach { color: var(--peach); }
.stat .k { color: var(--gray); font-size: 11px; margin-top: 3px; text-transform: uppercase; letter-spacing: .4px; }
.progress { height: 8px; background: var(--card2); border-radius: 999px; overflow: hidden; margin: 12px 0 4px; }
.progress > div { height: 100%; background: var(--peach); border-radius: 999px; }

/* chart */
#chart { width: 100%; }
.chart-wrap { position: relative; }
.chart-tt { position: absolute; top: 6px; background: #0b1220; border: 1px solid #2a3444; border-radius: 10px;
  padding: 8px 11px; font-size: 13px; pointer-events: none; z-index: 5; }
.chart-tt .tt-date { color: var(--gray); font-size: 12px; margin-bottom: 3px; }
.chart-tt .tt-m { color: var(--peach); font-weight: 700; }
.chart-tt .tt-d { color: var(--gray); }
.chart-tt .tt-p { color: var(--peach); opacity: .75; font-weight: 600; }
.chart-tt .tt-r { color: var(--gray-dim); font-size: 11px; }
.empty { color: var(--gray-dim); text-align: center; padding: 60px 10px; }
.hint { color: var(--gray-dim); font-size: 12px; text-align: center; margin-top: 6px; }

/* plan / calendar */
.day-row { display: flex; align-items: center; gap: 12px; padding: 11px 4px; border-bottom: 1px solid #26313f; }
.day-row:last-child { border-bottom: none; }
.day-date { width: 92px; font-size: 13px; color: var(--gray); }
.day-date b { color: #e5e7eb; }
.day-pill { flex: 1; }
.pill { display: inline-block; padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.pill.fast { background: var(--peach-dim); color: var(--peach); }
.pill.feast { background: rgba(52,211,153,0.15); color: var(--green); }
.pill.exception { background: rgba(251,191,36,0.15); color: var(--amber); }
.day-toggle { background: var(--card2); border: 1px solid #2a3444; color: var(--gray); border-radius: 8px;
  padding: 6px 10px; font-size: 12px; cursor: pointer; }
.day-toggle:disabled { opacity: .35; cursor: default; }
.lock { color: var(--gray-dim); font-size: 11px; }
.ck { font-size: 11px; padding: 2px 7px; border-radius: 6px; margin-left: 6px; }
.ck.liquid { background: rgba(255,163,171,.15); color: var(--peach); }
.ck.broke { background: rgba(248,113,113,.15); color: var(--red); }
.today-mark { box-shadow: 0 0 0 2px var(--peach) inset; border-radius: 8px; }

.cfg { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cfg label { font-size: 12px; color: var(--gray); display: block; margin-bottom: 5px; }
.cfg input { width: 100%; background: var(--card2); border: 1px solid #2a3444; border-radius: 8px; color: #fff; padding: 9px; font-size: 15px; }
.cfg input:focus { outline: none; border-color: var(--peach); }

/* witness chat */
.chat { display: flex; flex-direction: column; gap: 10px; min-height: 200px; max-height: calc(100vh - 310px); overflow-y: auto; }
.msg { max-width: 82%; padding: 10px 13px; border-radius: 14px; font-size: 14px; line-height: 1.4; }
.msg.you { align-self: flex-end; background: var(--peach); color: #3a1418; }
.msg.witness { align-self: flex-start; background: var(--card2); border: 1px solid #2a3444; }
.chat-in { display: flex; gap: 8px; margin-top: 8px; }
.chat-in input { flex: 1; background: var(--card2); border: 1px solid #2a3444; border-radius: 12px; color: #fff; padding: 12px; font-size: 15px; }
.chat-in input:focus { outline: none; border-color: var(--peach); }
.stub-note { background: rgba(251,191,36,0.1); border: 1px solid rgba(251,191,36,0.3); color: var(--amber);
  border-radius: 12px; padding: 12px 14px; font-size: 13px; margin-bottom: 14px; }

/* nav */
#nav { position: fixed; bottom: 0; left: 50%; transform: translateX(-50%); width: 100%; max-width: 480px;
  display: flex; background: #0b1220; border-top: 1px solid #26313f; }
#nav button { flex: 1; background: none; border: none; color: var(--gray-dim); padding: 10px 0 12px;
  font-size: 11px; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 3px; }
#nav button .ic { font-size: 19px; }
#nav button.active { color: var(--peach); }
.toast { position: fixed; bottom: 78px; left: 50%; transform: translateX(-50%); background: #0b1220;
  border: 1px solid var(--peach); color: var(--peach); padding: 10px 18px; border-radius: 999px; font-size: 13px;
  z-index: 20; opacity: 0; transition: opacity .2s; pointer-events: none; }
.toast.show { opacity: 1; }

/* ---- redesigned check-in ---- */
.btn.big { width: 100%; padding: 18px; font-size: 17px; }
.slip { text-align: center; margin-top: 14px; }
.slip a { color: var(--gray-dim); font-size: 12px; text-decoration: underline; cursor: pointer; }
.slip a:hover { color: var(--gray); }
.slip-broke { text-align: center; margin-top: 14px; font-size: 13px; color: var(--gray); }
.slip-broke a { color: var(--gray-dim); cursor: pointer; text-decoration: underline; }

/* ---- credits / plan actions ---- */
.day-actions { display: flex; gap: 6px; align-items: center; flex-shrink: 0; }
.day-toggle.spend { background: var(--peach-dim); color: var(--peach); border-color: transparent; }

/* ---- desktop: use the screen ---- */
@media (min-width: 820px) {
  #app { max-width: 960px; }
  #nav { max-width: 960px; }
  #view { padding: 26px 26px 100px; }
  h1 { font-size: 26px; }
  .deck { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: start; }
  .deck > .span2 { grid-column: 1 / -1; }
}
@media (min-width: 1240px) {
  #app, #nav { max-width: 1120px; }
}

/* ---- witness live ---- */
.live-note { background: rgba(52,211,153,0.1); border: 1px solid rgba(52,211,153,0.3); color: var(--green);
  border-radius: 12px; padding: 12px 14px; font-size: 13px; margin-bottom: 14px; }
.msg.thinking { opacity: .55; font-style: italic; }

.msg { white-space: pre-wrap; }

/* ---- meal photo-check ---- */
.meals { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.meal { font-size: 11px; padding: 3px 9px; border-radius: 999px; background: var(--card2); border: 1px solid #2a3444; color: var(--gray); }
.meal.liquid { color: var(--peach); border-color: transparent; background: var(--peach-dim); }
.meal.solid { color: var(--red); background: rgba(248,113,113,.12); border-color: transparent; }
.photo-btn { display: block; text-align: center; margin-top: 12px; padding: 12px; border-radius: 12px;
  background: var(--card2); border: 1px dashed #3a4658; color: var(--gray); font-size: 14px; cursor: pointer; }
.photo-btn:active { transform: scale(.98); }
.msg.proactive { border-left: 3px solid var(--peach); }

/* ---- meal log / backlog ---- */
.log-day { margin-bottom: 20px; }
.log-date { color: var(--gray); font-size: 12px; margin: 6px 2px 10px; text-transform: uppercase; letter-spacing: .5px; }
.log-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 10px; }
.log-item { background: var(--card); border-radius: 12px; overflow: hidden; border: 1px solid #26313f; }
.log-item img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; background: var(--card2); }
.log-meta { padding: 7px 8px; display: flex; flex-direction: column; gap: 3px; }
.tag-pill { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; align-self: flex-start; }
.tag-pill.liquid { background: var(--peach-dim); color: var(--peach); }
.tag-pill.solid { background: rgba(248,113,113,.13); color: var(--red); }
.log-time { font-size: 10px; color: var(--gray-dim); }

.msg.you.queued { opacity: .5; }

/* ---- settings gear + modal ---- */
#app { position: relative; }
#gear { position: absolute; top: 12px; right: 14px; z-index: 30; background: none; border: none;
  color: var(--gray-dim); font-size: 20px; cursor: pointer; padding: 6px; line-height: 1; }
#gear:hover { color: var(--gray); }
.modal-back { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 50;
  display: flex; align-items: center; justify-content: center; padding: 20px; }
.settings-card { background: var(--card); border: 1px solid #26313f; border-radius: 16px;
  padding: 20px; width: 100%; max-width: 340px; }