:root {
  --ink: #263238;
  --muted: #66737a;
  --paper: #fffaf0;
  --panel: #ffffff;
  --line: #e5d8be;
  --yellow: #f7b733;
  --green: #35a875;
  --red: #ef6f6c;
  --blue: #4f8bd9;
  --pink: #f7a8b8;
  --shadow: 0 18px 50px rgba(56, 45, 24, 0.14);
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(135deg, rgba(79, 139, 217, 0.14), transparent 34%),
    linear-gradient(225deg, rgba(53, 168, 117, 0.12), transparent 28%),
    var(--paper);
  color: var(--ink);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.topbar {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  justify-items: center;
  justify-content: stretch;
  gap: 14px;
  padding: 22px clamp(16px, 4vw, 42px) 18px;
  border-bottom: 1px solid rgba(112, 89, 49, 0.16);
  text-align: center;
}

.brand {
  display: flex;
  grid-row: 1;
  align-items: center;
  justify-content: center;
  gap: 22px;
  width: fit-content;
  max-width: 100%;
}

.brand-logo {
  display: block;
  width: clamp(260px, 28vw, 360px);
  height: clamp(260px, 28vw, 360px);
  object-fit: contain;
  filter: drop-shadow(4px 5px 0 rgba(38, 50, 56, 0.14));
}

h1,
h2,
h3,
p {
  margin: 0;
}

.brand h1 {
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  line-height: 1.1;
}

.brand p,
.section-heading p,
.empty-state p {
  color: var(--muted);
}

.toolbar {
  display: flex;
  grid-row: 2;
  justify-content: center;
  gap: 8px;
  width: fit-content;
  max-width: 100%;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  font-weight: 900;
  box-shadow: 3px 3px 0 rgba(38, 50, 56, 0.2);
}

.import-button input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(320px, 1fr) minmax(290px, 390px);
  gap: 18px;
  padding: 18px clamp(16px, 4vw, 42px) 36px;
}

.class-panel,
.detail-panel {
  align-self: start;
  position: sticky;
  top: 16px;
}

.class-panel,
.detail-panel,
.student-area {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(112, 89, 49, 0.18);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.class-panel,
.detail-panel {
  padding: 16px;
}

.teacher-card,
.add-student,
.money-pad {
  display: grid;
  gap: 8px;
}

label,
legend,
.eyebrow,
.balance-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

input,
select {
  min-width: 0;
  width: 100%;
  border: 2px solid rgba(38, 50, 56, 0.22);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  padding: 11px 12px;
}

input:focus,
select:focus,
button:focus-visible {
  outline: 4px solid rgba(79, 139, 217, 0.32);
  outline-offset: 2px;
}

.add-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.primary-button,
.quick-actions button,
.detail-actions button,
.transaction-row button {
  border: 2px solid var(--ink);
  border-radius: 8px;
  padding: 11px 14px;
  background: var(--yellow);
  color: var(--ink);
  font-weight: 900;
  box-shadow: 3px 3px 0 rgba(38, 50, 56, 0.24);
}

.quick-actions {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.quick-actions button {
  width: 100%;
  background: #fff3be;
  text-align: left;
}

.student-area {
  min-width: 0;
  padding: 16px;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.section-heading h2,
.detail-head h2 {
  font-size: clamp(1.35rem, 3vw, 1.9rem);
}

.segmented {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  padding: 4px;
  border: 2px solid rgba(38, 50, 56, 0.18);
  border-radius: 8px;
  background: #f5eddc;
}

.segmented button {
  border: 0;
  border-radius: 6px;
  background: transparent;
  padding: 8px 10px;
  color: var(--muted);
  font-weight: 800;
}

.segmented .active {
  background: var(--panel);
  color: var(--ink);
  box-shadow: 0 2px 10px rgba(56, 45, 24, 0.12);
}

.students-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 12px;
}

.student-card {
  min-width: 0;
}

.student-button {
  display: grid;
  grid-template-rows: 96px auto auto 28px;
  gap: 8px;
  width: 100%;
  min-height: 190px;
  border: 3px solid var(--ink);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  padding: 14px;
  text-align: center;
  box-shadow: 5px 5px 0 rgba(38, 50, 56, 0.18);
}

.student-button.active {
  background: #fff5cf;
  box-shadow: 5px 5px 0 var(--yellow);
}

.pig-jar {
  display: block;
  margin: 0 auto;
  background: transparent url("assets/balance-pig.png") center / contain no-repeat;
  border: 0;
}

.mini-pig {
  display: block;
  width: 118px;
  height: 92px;
  margin: 0 auto;
  border: 0;
  border-radius: 8px;
  background: transparent;
  object-fit: contain;
  filter: drop-shadow(0 3px 0 rgba(38, 50, 56, 0.14));
}

.big-pig {
  display: block;
  width: 220px;
  height: 144px;
  margin-bottom: 16px;
  object-fit: contain;
  filter: drop-shadow(0 5px 0 rgba(38, 50, 56, 0.14));
}

.student-name {
  overflow-wrap: anywhere;
  font-size: 1.08rem;
  font-weight: 900;
}

.student-balance {
  font-size: 2rem;
  line-height: 1;
}

.coin-dots {
  display: flex;
  justify-content: center;
  gap: 4px;
  min-height: 24px;
}

.coin-dots i,
.jar-coin {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid #a26900;
  border-radius: 50%;
  background: var(--yellow);
}

.empty-state {
  display: grid;
  min-height: 360px;
  place-content: center;
  text-align: center;
  padding: 24px;
}

.empty-state h2 {
  margin-bottom: 8px;
}

.student-detail {
  display: grid;
  gap: 16px;
}

.detail-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.balance-card {
  display: grid;
  grid-template-columns: 110px 1fr;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border: 2px solid rgba(38, 50, 56, 0.18);
  border-radius: 8px;
  background: #fff5cf;
}

.pig-jar {
  position: relative;
  width: 132px;
  height: 104px;
}

.pig-jar .jar-coin {
  position: absolute;
  width: 19px;
  height: 19px;
  border-width: 3px;
  box-shadow: 0 2px 0 rgba(112, 69, 0, 0.22);
}

.balance-card strong {
  display: block;
  font-size: clamp(3rem, 8vw, 4.6rem);
  line-height: 0.9;
}

.coin-word {
  color: var(--muted);
  font-weight: 800;
}

.money-pad fieldset {
  display: grid;
  gap: 10px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.amount-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.amount-buttons button {
  min-height: 48px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--panel);
  font-size: 1.2rem;
  font-weight: 900;
}

.amount-buttons button.active {
  background: var(--yellow);
}

.transaction-row,
.detail-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.earn-button {
  background: var(--green) !important;
  color: #fff !important;
}

.spend-button {
  background: var(--red) !important;
  color: #fff !important;
}

.detail-actions {
  grid-template-columns: repeat(4, 1fr);
}

.detail-actions button {
  background: #eaf2ff;
  padding-inline: 8px;
}

.statement {
  display: grid;
  gap: 10px;
}

.statement h3 {
  font-size: 1rem;
}

.statement ol {
  display: grid;
  max-height: 260px;
  gap: 8px;
  margin: 0;
  padding: 0;
  overflow: auto;
  list-style: none;
}

.statement li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(112, 89, 49, 0.14);
}

.statement .plus {
  color: var(--green);
}

.statement .minus {
  color: var(--red);
}

.scanner-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(38, 50, 56, 0.46);
}

.scanner-card {
  display: grid;
  width: min(540px, 100%);
  gap: 14px;
  padding: 16px;
  border: 3px solid var(--ink);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.scanner-card video {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: #111;
  object-fit: cover;
}

.scanner-card p {
  color: var(--muted);
  font-weight: 800;
}

.story-view .student-button {
  grid-template-rows: 52px auto auto;
  min-height: 156px;
}

.story-view .coin-dots {
  display: none;
}

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 260px 1fr;
  }

  .detail-panel {
    grid-column: 1 / -1;
    position: static;
  }
}

@media (max-width: 760px) {
  .section-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar {
    align-items: center;
    padding-top: 24px;
  }

  .brand-logo {
    width: min(78vw, 280px);
    height: min(78vw, 280px);
  }

  .brand {
    align-items: center;
    gap: 8px;
  }

  .toolbar {
    justify-content: center;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .class-panel {
    position: static;
  }

  .students-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 460px) {
  .brand {
    flex-direction: column;
  }

  .students-grid,
  .balance-card {
    grid-template-columns: 1fr;
  }

  .add-row,
  .transaction-row,
  .detail-actions {
    grid-template-columns: 1fr;
  }
}

@media print {
  body {
    background: #fff;
  }

  .topbar,
  .class-panel,
  .student-area,
  .detail-panel {
    display: none !important;
  }

  body.printing-cards #printSheet {
    display: grid !important;
  }
}

#printSheet {
  display: none;
}