/* Look from the "Whose Round? Coffee Tracker" Claude Design canvas:
   cream ground, ink outlines, chunky drop shadows, Fredoka + Nunito. */

/* ---------- Tokens ---------- */
:root {
  --cream:      #FFF7E8;
  --ink:        #141414;
  --paper:      #FFFFFF;
  --text-soft:  #5A4A3A;
  --text-dim:   #6B5B4B;
  --dash:       #E7D9C4;
  --green:      #187A40;   /* your round */
  --tan:        #F0C9A0;   /* their round (pill) */
  --brown:      #6B3A1E;   /* their round (button) */
  --lime:       #8DC24A;   /* add button */
  --danger:     #A8162F;

  --font-display: 'Fredoka', system-ui, sans-serif;
  --font-body:    'Nunito', system-ui, -apple-system, sans-serif;
  --edge:   3px solid var(--ink);
  --lift:   0 4px 0 var(--ink);
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 700;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;            /* main grows, so the add dock sits at the bottom */
  flex-direction: column;
  -webkit-tap-highlight-color: transparent;
}
button, input { font: inherit; color: inherit; }
button {
  cursor: pointer;
  touch-action: manipulation;
  transition: transform .12s ease, box-shadow .12s ease, background-color .2s ease;
}
button:focus-visible, .cb-input:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; }
.cb-sr {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Layout ---------- */
.cb {
  flex: 1 0 auto;
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  padding:
    calc(env(safe-area-inset-top) + 20px)
    calc(env(safe-area-inset-right) + 18px)
    24px
    calc(env(safe-area-inset-left) + 18px);
}

/* ---------- Header ---------- */
.cb-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 16px 2px 8px 6px;
}
.cb-head-text { display: flex; flex-direction: column; gap: 8px; }
.cb-chip {
  align-self: flex-start;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 8px;
}
.cb-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 42px;
  line-height: 0.95;
}
.cb-mascot {
  position: relative;
  width: 150px;
  height: 142px;
  flex-shrink: 0;
}
.cb-rawr {
  position: absolute;
  top: 2px;
  left: -6px;
  z-index: 1;
  background: var(--paper);
  border: var(--edge);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  padding: 2px 10px;
  border-radius: 14px;
  transform: rotate(-8deg);
}
.cb-dragon {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 140px;
  height: auto;
}

.cb-hint {
  margin: 0;
  padding: 4px 6px 16px;
  font-size: 15px;
  color: var(--text-soft);
}

/* ---------- Cards ---------- */
.cb-list {
  list-style: none;
  margin: 0;
  padding: 4px 0 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.cb-card {
  background: var(--paper);
  border: var(--edge);
  border-radius: 22px;
  box-shadow: 0 5px 0 var(--ink);
  overflow: hidden;
}
.cb-card-head {
  width: 100%;
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: transparent;
  border: 0;
  text-align: left;
}
.cb-avatar {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border: var(--edge);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
}
.cb-card-text {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.cb-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  overflow-wrap: anywhere;
}
.cb-last { font-size: 13px; color: var(--text-dim); }
.cb-pill {
  padding: 6px 11px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
  background: var(--paper);
}
.cb-pill.is-me   { background: var(--green); color: #fff; }
.cb-pill.is-them { background: var(--tan); }

/* ---------- Expanded panel ---------- */
.cb-panel {
  padding: 2px 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 3px dashed var(--dash);
}
.cb-panel[hidden] { display: none; }
.cb-panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
}
.cb-pay {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.cb-pay-btn {
  min-height: 66px;
  padding: 6px 8px;
  border: var(--edge);
  border-radius: 18px;
  box-shadow: var(--lift);
  background: var(--paper);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
}
.cb-pay-btn.is-due[data-payer="me"]   { background: var(--green); color: #fff; }
.cb-pay-btn.is-due[data-payer="them"] { background: var(--brown); color: #fff; }
.cb-pay-who {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  overflow-wrap: anywhere;
  text-align: center;
}
.cb-pay-count { font-size: 12px; }

.cb-panel-foot {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.cb-link {
  min-height: 44px;
  padding: 8px 4px;
  background: transparent;
  border: 0;
  font-size: 13px;
  font-weight: 800;
  color: var(--text-dim);
}
.cb-link:disabled { visibility: hidden; }
.cb-link-danger { color: var(--danger); margin-left: auto; }

/* ---------- Pressable chunky things ---------- */
.cb-pay-btn:active, .cb-btn-add:active, .cb-toast-undo:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 var(--ink);
}

/* ---------- Empty state ---------- */
.cb-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  padding: 32px 24px;
  color: var(--text-soft);
  font-size: 15px;
}
.cb-empty[hidden] { display: none; }

/* ---------- Add dock (sticks to the bottom) ---------- */
.cb-dock {
  position: sticky;
  bottom: 0;
  background: var(--cream);
  border-top: var(--edge);
  padding:
    14px
    calc(env(safe-area-inset-right) + 18px)
    calc(env(safe-area-inset-bottom) + 18px)
    calc(env(safe-area-inset-left) + 18px);
}
.cb-add {
  max-width: 484px;
  margin: 0 auto;
  display: flex;
  gap: 10px;
}
.cb-input {
  flex: 1 1 auto;
  min-width: 0;
  height: 54px;
  padding: 0 16px;
  border-radius: 16px;
  border: var(--edge);
  box-shadow: var(--lift);
  background: var(--paper);
  font-size: 16px; /* ≥16px stops iOS zooming in on focus */
}
.cb-input::placeholder { color: var(--text-dim); opacity: 0.8; }
.cb-input:focus { outline: none; border-color: var(--green); box-shadow: 0 4px 0 var(--green); }
.cb-btn-add {
  width: 54px;
  height: 54px;
  flex-shrink: 0;
  border-radius: 16px;
  border: var(--edge);
  box-shadow: var(--lift);
  background: var(--lime);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
}
.cb-error {
  max-width: 484px;
  margin: 0 auto;
  font-size: 13px;
  color: var(--danger);
}
.cb-error:not(:empty) { margin-bottom: 8px; }

/* ---------- Toast (floats just above the dock) ---------- */
.cb-toast {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 12px);
  transform: translateX(-50%);
  width: min(484px, calc(100% - 36px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 8px 8px 16px;
  border: var(--edge);
  border-radius: 16px;
  box-shadow: var(--lift);
  background: var(--ink);
  color: var(--cream);
  font-size: 15px;
}
.cb-toast[hidden] { display: none; }
.cb-toast-undo {
  flex-shrink: 0;
  min-height: 40px;
  padding: 6px 14px;
  border: 2px solid var(--cream);
  border-radius: 12px;
  background: var(--lime);
  color: var(--ink);
  font-weight: 800;
}

@media (prefers-reduced-motion: reduce) {
  button { transition: none; }
}