:root {
  --navy: #1b2a5b;
  --ink: #1a1a1a;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #f6f7fb;
  --warn: #b91c1c;
  --ok: #15803d;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.5;
}
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: .95rem; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.2rem; background: var(--navy); color: #fff;
}
.brand { font-weight: 700; letter-spacing: .04em; }
.brand span { font-weight: 400; opacity: .8; }

#app { max-width: 34rem; margin: 1.5rem auto; padding: 0 1rem; }
.view { animation: fade .2s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } }

.card { background: #fff; border: 1px solid var(--line); border-radius: 1rem; padding: 1.6rem; }
h1 { font-size: 1.4rem; margin: 0 0 .6rem; }
h2 { font-size: 1.2rem; margin: 0 0 1rem; }

form { display: flex; flex-direction: column; gap: .8rem; margin-top: 1rem; }
input, select {
  width: 100%; padding: .7rem .8rem; border: 1px solid var(--line);
  border-radius: .6rem; font-size: 1rem; font-family: inherit; background: #fff;
}
#code { letter-spacing: .4em; text-align: center; font-size: 1.3rem; }
label { display: block; font-size: .9rem; color: var(--muted); }
label input, label select { margin-top: .25rem; }
.row { display: flex; gap: .8rem; }
.row label { flex: 1; }

.btn {
  background: var(--navy); color: #fff; border: 0; border-radius: .6rem;
  padding: .75rem 1.1rem; font-size: 1rem; font-weight: 600; cursor: pointer;
}
.btn:disabled { opacity: .5; cursor: default; }
.btn.done { background: var(--ok); }
.btn-sm { padding: .45rem .8rem; font-size: .9rem; }
.link { background: none; border: 0; color: var(--navy); cursor: pointer; font-size: .92rem; padding: .4rem 0; }
.icon-btn { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 1rem; padding: .3rem .4rem; }

.check { display: flex; gap: .6rem; align-items: flex-start; margin: 1rem 0; font-size: .95rem; color: var(--ink); }
.check input { width: auto; margin-top: .2rem; }
.devhint { background: #fff7ed; border: 1px dashed #fdba74; border-radius: .5rem; padding: .6rem .8rem; font-size: .9rem; margin-top: .6rem; }

.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.supp-list { display: flex; flex-direction: column; gap: .7rem; }
.supp {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  background: #fff; border: 1px solid var(--line); border-radius: .9rem; padding: .9rem 1.1rem;
}
.supp-name { font-weight: 600; }
.supp-meta { font-size: .85rem; color: var(--muted); }
.supp-side { display: flex; align-items: center; gap: .5rem; }
.pill { font-size: .78rem; background: #eef2ff; color: var(--navy); padding: .2rem .55rem; border-radius: 1rem; white-space: nowrap; }
.pill.warn { background: #fef2f2; color: var(--warn); }

dialog {
  border: 0; border-radius: 1rem; padding: 1.6rem; width: min(30rem, calc(100vw - 2rem));
  box-shadow: 0 1rem 3rem rgba(0,0,0,.2);
}
dialog::backdrop { background: rgba(0,0,0,.4); }
.dialog-actions { display: flex; justify-content: flex-end; gap: .8rem; margin-top: .6rem; }

.row > input { flex: 1; min-width: 0; }
.switch { margin-top: 1.1rem; text-align: center; font-size: .9rem; color: var(--muted); }
.switch .link { font-size: inherit; padding: 0; }