:root {
  --green: #173f37;
  --green-2: #176b5b;
  --beige: #F0EAD4;
  --paper: #fffefb;
  --pink: #FF5FB7;
  --line: #e4dcc4;
  color-scheme: light;
}

* { box-sizing: border-box; }

html { font-size: 18px; }

body {
  margin: 0;
  background: var(--beige);
  color: var(--green);
  font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  line-height: 1.45;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

button, input, textarea { font: inherit; color: inherit; }

button { cursor: pointer; }

button:disabled { cursor: default; opacity: 0.6; }

:focus-visible {
  outline: 3px solid var(--green-2);
  outline-offset: 3px;
}

input:user-invalid,
textarea:user-invalid {
  border-color: var(--pink);
  outline-color: var(--pink);
}

.top {
  background: var(--green);
  color: var(--paper);
  padding: calc(18px + env(safe-area-inset-top)) 0 18px;
}

.top-inner,
.wrap {
  width: min(720px, calc(100% - 32px));
  margin: 0 auto;
}

.top h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.25;
  font-weight: 800;
}

.fresh {
  margin: 6px 0 14px;
  font-size: 18px;
}

.wrap { padding: 8px 0 calc(48px + env(safe-area-inset-bottom)); }

.install,
.tap,
.biglink {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  border-radius: 16px;
  border: 2px solid transparent;
  padding: 12px 16px;
  font-weight: 800;
  text-decoration: none;
  text-align: center;
}

.install {
  width: 100%;
  background: var(--beige);
  color: var(--green);
  font-size: 20px;
}

.hint {
  margin: 10px 0 0;
  font-size: 18px;
}

.primary { background: var(--green-2); color: var(--paper); }

.ghost { background: var(--beige); color: var(--green); }

.paper { background: var(--paper); color: var(--green); border-color: var(--green-2); }

.wide { width: 100%; }

.row, .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.actions { margin-top: 12px; }

.actions .tap,
.row .tap { flex: 1 1 140px; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin: 26px 0 10px;
  font-size: 20px;
  font-weight: 800;
}

.card {
  background: var(--paper);
  border-radius: 20px;
  padding: 18px 16px 16px;
  margin: 0 0 14px;
  box-shadow: 0 8px 24px rgba(23, 63, 55, 0.06);
}

.card h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.35;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

.detail {
  margin: 8px 0 0;
  color: var(--green-2);
}

.tickline, .sent, .picked { margin: 10px 0 0; font-weight: 800; }

.tick { color: var(--green-2); font-size: 22px; }

.file, .note, .talk, .composer {
  background: var(--beige);
  border-radius: 16px;
  padding: 12px;
  margin-top: 12px;
}

.file .name, .note p { margin: 0; overflow-wrap: anywhere; font-weight: 700; }

.meta { margin: 4px 0 0; }

.note-tag {
  display: inline-block;
  margin-bottom: 4px;
  font-weight: 800;
}

label {
  display: block;
  font-weight: 800;
  margin: 12px 0 6px;
}

.composer label:first-child,
.talk label:first-child,
.gate label { margin-top: 0; }

input, textarea {
  width: 100%;
  background: var(--paper);
  border: 2px solid var(--green-2);
  border-radius: 14px;
  padding: 12px 14px;
  min-height: 56px;
}

textarea { min-height: 120px; resize: vertical; }

.count { margin: 6px 0 0; }

.warn {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--paper);
  border: 3px solid var(--pink);
  border-radius: 16px;
  padding: 14px;
  margin: 14px 0;
}

.warn span { font-weight: 800; }

.warn-icon { flex: 0 0 auto; }

.done-wrap { margin-top: 18px; }

.done-wrap summary {
  list-style: none;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--paper);
  border-radius: 16px;
  padding: 12px 16px;
  font-weight: 800;
  cursor: pointer;
}

.done-wrap summary::-webkit-details-marker { display: none; }

.done-wrap .when-open { display: none; }

.done-wrap[open] .when-open { display: inline; }

.done-wrap[open] .when-closed { display: none; }

.done-wrap .stack { margin-top: 12px; }

.empty { margin: 24px 0; font-weight: 700; }

.gate, .home {
  width: min(560px, calc(100% - 32px));
  margin: 0 auto;
  padding: calc(48px + env(safe-area-inset-top)) 0 48px;
}

.gate h1, .home h1 {
  margin: 0 0 8px;
  font-size: 34px;
}

.lead { margin: 0 0 22px; }

.gate .tap, .biglink { width: 100%; margin-top: 16px; }

.biglink {
  background: var(--green);
  color: var(--paper);
  margin-top: 12px;
}

#code {
  font-size: 24px;
  letter-spacing: 0.18em;
  text-align: center;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(23, 63, 55, 0.55);
  z-index: 30;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 16px;
  padding-bottom: calc(16px + env(safe-area-inset-bottom));
}

.panel {
  width: min(520px, 100%);
  background: var(--paper);
  color: var(--green);
  border-radius: 22px;
  padding: 20px 18px 16px;
}

.panel h2 { margin: 0 0 8px; font-size: 24px; }

.panel ol { margin: 0; padding-left: 1.3em; }

.panel li { margin: 8px 0; }

.arrow {
  display: block;
  width: 42px;
  height: 64px;
  margin: 8px auto 0;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(23, 63, 55, 0.72);
  z-index: 40;
  display: flex;
  flex-direction: column;
  padding: 12px;
  padding-top: calc(12px + env(safe-area-inset-top));
}

.sheet {
  background: var(--paper);
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1;
  overflow: hidden;
}

.sheet-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
}

.sheet-bar strong {
  overflow-wrap: anywhere;
}

.sheet-bar .tap { flex: 0 0 auto; }

.viewer {
  flex: 1;
  min-height: 0;
  background: var(--beige);
}

.viewer img,
.viewer video,
.viewer iframe {
  width: 100%;
  height: 100%;
  border: 0;
  background: var(--beige);
  object-fit: contain;
}

[hidden] { display: none !important; }

@media (min-width: 800px) {
  .top h1 { font-size: 34px; }
  .card h3 { font-size: 24px; }
}