* { box-sizing: border-box; margin: 0; padding: 0; }

/* iJeeto brand palette — sampled from the star logo. Copied per game rather
   than shared, so each game folder stays self-contained (guidelines 9.1). */
:root {
  --purple: #4A1A63;
  --purple-soft: #6B3A85;
  --amber: #FFC42E;
  --orange: #FF7A2F;
  --orange-dark: #DD5E15;
  --teal: #2FAFAF;
  --teal-dark: #218A8A;
  --cream: #FFF7EA;
  --cream-2: #FCEBD2;
  --font-brand: ui-rounded, "SF Pro Rounded", Nunito, Quicksand,
                "Hiragino Maru Gothic ProN", "Trebuchet MS", system-ui, sans-serif;

  --bg: var(--cream);
  --ink: var(--purple);
  --accent: var(--teal);
  --accent-dark: var(--teal-dark);
  --card: #fff;
  --bad: #d4564f;
  --shadow-soft: #e6d8c2;
}

html, body {
  height: 100%;
  font-family: var(--font-brand);
  background: var(--bg);
  color: var(--ink);
  overflow: hidden;
}

.brand-mark { width: clamp(84px, 22vw, 116px); height: auto; display: block; margin: 0 auto; }

#app { height: 100%; display: flex; flex-direction: column; }
.screen { display: none; flex: 1; min-height: 0; flex-direction: column; }
.screen.active { display: flex; }
.hidden { display: none !important; }

/* ---------- menus ---------- */

.menu-screen { align-items: center; padding: 20px 16px; overflow-y: auto; }
.logo { font-size: clamp(26px, 6.5vw, 42px); margin-top: 4vh; text-align: center; }
.tagline { font-size: clamp(14px, 3vw, 18px); margin: 12px 0 26px; text-align: center; line-height: 1.6; }
.menu-buttons { display: flex; flex-direction: column; gap: 14px; width: min(340px, 92vw); }

.big-btn {
  min-height: 54px; border: 0; border-radius: 14px;
  background: var(--accent); color: #fff;
  font-family: inherit; font-size: 18px; font-weight: 700;
  cursor: pointer; padding: 10px 18px; box-shadow: 0 4px 0 var(--accent-dark);
}
.big-btn:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--accent-dark); }
.big-btn:disabled { opacity: .55; box-shadow: none; }
.big-btn.ghost { background: #fff; color: var(--ink); box-shadow: 0 4px 0 var(--shadow-soft); }
.big-btn.danger { background: var(--bad); box-shadow: 0 4px 0 #a53b36; }

.portal-link {
  margin-top: 22px; padding: 12px 20px; min-height: 44px;
  display: inline-flex; align-items: center;
  font-size: 14px; color: var(--ink); text-decoration: none;
  background: #fff; border-radius: 999px; box-shadow: 0 2px 0 var(--shadow-soft);
}
.build { margin-top: 14px; font-size: 12px; color: var(--purple-soft); }

.menu-header {
  display: flex; align-items: center; gap: 12px;
  width: min(720px, 100%); margin-bottom: 10px;
}
.menu-header h2 { font-size: clamp(18px, 4vw, 24px); }
.back-btn, .hud-btn {
  min-width: 44px; min-height: 44px; border: 0; border-radius: 12px;
  background: #fff; color: var(--ink); font-size: 18px; cursor: pointer;
  box-shadow: 0 2px 0 var(--shadow-soft);
}
.map-progress { width: min(720px, 100%); font-size: 14px; margin-bottom: 12px; color: var(--purple-soft); }

/* ---------- stage list ---------- */

.stage-grid { width: min(720px, 100%); display: flex; flex-direction: column; gap: 12px; }
.stage {
  display: flex; align-items: center; gap: 14px; text-align: left;
  min-height: 76px; padding: 14px 16px; border: 0; border-radius: 16px;
  background: var(--card); color: inherit; font-family: inherit;
  cursor: pointer; box-shadow: 0 3px 0 var(--shadow-soft);
}
.stage:disabled { cursor: default; opacity: .55; }
.stage.cleared { box-shadow: 0 3px 0 var(--amber); }
.stage-num {
  flex: none; width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--cream-2); font-size: 19px; font-weight: 800;
}
.stage-text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.stage-name { font-size: 17px; font-weight: 700; }
.stage-blurb { font-size: 13px; color: var(--purple-soft); line-height: 1.4; }
.stage-progress { margin-left: auto; flex: none; font-size: 13px; font-weight: 700; color: var(--purple-soft); }

/* ---------- game ---------- */

#game-header {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; width: 100%;
}
#stage-label { flex: 1; text-align: center; font-size: 14px; font-weight: 700; color: var(--purple-soft); }

.prompt {
  padding: 0 16px 8px; text-align: center;
  font-size: clamp(15px, 3.6vw, 19px); line-height: 1.5;
}
.prompt b { color: var(--orange-dark); }

/* The running total is the arithmetic made visible — it is the biggest thing
   on the screen and it changes on every single tap. */
.total-wrap { display: flex; align-items: baseline; justify-content: center; gap: 8px; padding: 2px 16px 8px; }
.running-total {
  font-size: clamp(30px, 9vw, 42px); font-weight: 800; line-height: 1;
  color: var(--purple-soft);
}
.running-total.exact { color: var(--teal-dark); }
/* Over the target is orange, never red — an overfull purse is a step, not a
   failure (§8). The message says how much too much; the colour only echoes it. */
.running-total.over { color: var(--orange-dark); }
.target-note { font-size: 15px; font-weight: 700; color: var(--purple-soft); }

.purse-wrap { padding: 0 12px 6px; text-align: center; }
.purse {
  display: flex; flex-wrap: wrap; align-content: flex-start;
  justify-content: center; gap: 6px;
  min-height: 96px; padding: 10px;
  background: var(--cream-2); border-radius: 16px;
}
.purse-empty { font-size: 13px; color: var(--purple-soft); align-self: center; }
.piece-count { margin-top: 5px; font-size: 13px; font-weight: 700; color: var(--purple-soft); }

/* Money, drawn rather than photographed: coins are circles, notes are rounded
   rectangles that widen with value. The number is always printed on the face. */
.piece {
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 14px; line-height: 1;
  box-shadow: 0 1px 2px rgba(74, 26, 99, 0.22);
}
.piece.coin { width: 44px; height: 44px; border-radius: 50%; font-size: 13px; }
.piece.note { height: 36px; border-radius: 5px; letter-spacing: .3px; }

.tray-wrap { padding: 4px 12px 8px; overflow-x: auto; }
.tray { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.tray-btn, .purse-piece {
  border: 0; background: transparent; padding: 4px; cursor: pointer;
  min-width: 44px; min-height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
}
.tray-btn { background: #fff; box-shadow: 0 3px 0 var(--shadow-soft); }
.tray-btn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--shadow-soft); }
.tray-btn:disabled, .purse-piece:disabled { opacity: .55; cursor: default; }
.purse-piece:active { transform: translateY(2px); }

.game-footer { padding: 4px 16px 16px; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.feedback {
  min-height: 20px; font-size: 14px; line-height: 1.45; text-align: center;
  color: var(--purple-soft);
}
.feedback.nudge { color: var(--orange-dark); font-weight: 700; }
.feedback.good { color: var(--teal-dark); font-weight: 700; }
.check-btn { width: min(340px, 92vw); background: var(--orange); box-shadow: 0 4px 0 var(--orange-dark); }
.check-btn:active { box-shadow: 0 1px 0 var(--orange-dark); }


/* ---------- the counter ---------- */

.counter {
  margin: 0 12px 8px; padding: 10px 12px;
  background: var(--card); border-radius: 16px; box-shadow: 0 3px 0 var(--shadow-soft);
}
.customer { font-size: 14px; font-weight: 700; color: var(--purple-soft); margin-bottom: 6px; }
.bill-lines { display: flex; flex-direction: column; gap: 3px; }
.bill-line { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.bill-line.free { color: var(--teal-dark); font-weight: 700; }
.bill-emoji { width: 24px; text-align: center; font-size: 17px; }
.bill-name { flex: 1; min-width: 0; }
.bill-price { font-weight: 700; }
.bill-rule { margin: 7px 0 5px; border: 0; border-top: 2px dashed var(--cream-2); }
.bill-total { display: flex; justify-content: space-between; font-size: 16px; font-weight: 800; }

/* Number pad for stating the total. Bigger than it needs to be, on purpose. */
.pad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; width: min(300px, 92vw); margin: 0 auto; }
.pad-btn {
  min-height: 52px; border: 0; border-radius: 12px; background: #fff;
  font-family: inherit; font-size: 20px; font-weight: 700; color: var(--ink);
  cursor: pointer; box-shadow: 0 3px 0 var(--shadow-soft);
}
.pad-btn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--shadow-soft); }
.pad-btn.wide { grid-column: span 1; font-size: 16px; }
.typed {
  text-align: center; font-size: clamp(28px, 8vw, 38px); font-weight: 800;
  color: var(--purple-soft); padding: 4px 0 8px; min-height: 44px;
}

/* The counting-up ladder — the method a real shopkeeper uses, shown as the
   child builds the change rather than as an answer at the end. */
.ladder { margin: 0 12px 6px; display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.rung {
  font-size: 12px; font-weight: 700; padding: 4px 8px; border-radius: 999px;
  background: var(--cream-2); color: var(--purple-soft);
}
.rung.done { background: #D9F0F0; color: var(--teal-dark); }

/* ---------- overlays ---------- */

.overlay {
  position: fixed; inset: 0; z-index: 10;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  background: rgba(74, 26, 99, 0.45);
}
.card {
  width: min(380px, 100%); background: var(--card);
  border-radius: 20px; padding: 22px 20px; text-align: center;
  display: flex; flex-direction: column; gap: 12px;
}
.card h2 { font-size: 22px; }
.complete-line { font-size: 16px; line-height: 1.5; }
.complete-lesson {
  font-size: 14px; line-height: 1.5; color: var(--purple-soft);
  background: var(--cream); border-radius: 12px; padding: 10px 12px;
}
.card-buttons { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }
.setting-row {
  display: flex; align-items: center; gap: 10px;
  font-size: 16px; min-height: 44px; text-align: left;
}
.setting-row input { width: 22px; height: 22px; }

/* Room to breathe on a laptop without stretching the play area. */
@media (min-width: 620px) {
  .purse-wrap, .tray-wrap { width: min(640px, 100%); margin: 0 auto; }
}