:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --ink: #1b2333;
  --muted: #6b7488;
  --line: #e3e7f0;
  --primary: #4f46e5;
  --primary-d: #4338ca;
  --ok: #16a34a;
  --err: #dc2626;
  --shadow: 0 8px 30px rgba(30, 40, 90, .08);
  --radius: 14px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(160deg, #eef1fb 0%, #f6f7fb 100%);
  color: var(--ink);
  min-height: 100vh;
}
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: .92rem; }
.error { color: var(--err); font-size: .9rem; min-height: 1.2em; margin: .4rem 0 0; }

.view.center { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 1rem; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.6rem;
  margin-bottom: 1.2rem;
}
.login-card { width: 100%; max-width: 380px; }
.login-card h1 { margin: .3rem 0 .2rem; font-size: 1.5rem; }

.brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; letter-spacing: .2px; }
.brand .dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #7c74ff, var(--primary));
  box-shadow: 0 0 12px rgba(79, 70, 229, .5);
}

label { display: block; font-size: .85rem; font-weight: 600; margin-top: .9rem; color: #3a4257; }
input, select {
  width: 100%; margin-top: .35rem; padding: .65rem .75rem;
  border: 1px solid var(--line); border-radius: 10px; font-size: .95rem;
  background: #fbfcfe; color: var(--ink); font-family: inherit;
}
input:focus, select:focus { outline: 2px solid rgba(79,70,229,.35); border-color: var(--primary); }
input[readonly] { background: #f1f3f9; color: #3a4257; }

.btn {
  border: 0; border-radius: 10px; padding: .6rem 1rem; font-size: .92rem;
  font-weight: 600; cursor: pointer; font-family: inherit; transition: transform .06s, background .15s, box-shadow .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-d); box-shadow: 0 6px 18px rgba(79,70,229,.35); }
.btn-ghost { background: #eef0f7; color: #3a4257; }
.btn-ghost:hover { background: #e3e7f2; }
.btn-danger { background: #fdecec; color: var(--err); }
.btn-danger:hover { background: #fbdcdc; }
.btn-block { width: 100%; margin-top: 1.2rem; }
.btn-lg { padding: .9rem 1.6rem; font-size: 1.05rem; }
.btn-sm { padding: .45rem .75rem; font-size: .85rem; }

.topbar {
  display: flex; align-items: center; gap: 1.2rem;
  padding: .8rem 1.4rem; background: #fff; border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 12px rgba(30,40,90,.04); position: sticky; top: 0; z-index: 5;
}
.tabs { display: flex; gap: .3rem; margin-left: .5rem; }
.tab {
  background: transparent; border: 0; padding: .5rem .9rem; border-radius: 8px;
  font-weight: 600; color: var(--muted); cursor: pointer; font-family: inherit; font-size: .92rem;
}
.tab.active { background: #eef0fb; color: var(--primary-d); }
.user-box { margin-left: auto; display: flex; align-items: center; gap: .8rem; }

.container { max-width: 780px; margin: 1.6rem auto; padding: 0 1rem; }
h2 { margin: 0 0 .3rem; font-size: 1.25rem; }

.link-row { display: flex; gap: .5rem; margin: .7rem 0; align-items: center; flex-wrap: wrap; }
.link-row input { flex: 1; min-width: 200px; margin-top: 0; font-family: ui-monospace, monospace; font-size: .85rem; }

.waiting { display: flex; align-items: center; gap: .6rem; color: var(--muted); margin: .8rem 0; font-size: .92rem; }
.steps .step { display: flex; align-items: center; gap: .6rem; color: var(--muted); margin: .5rem 0; }

.spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid #d5d9e8; border-top-color: var(--primary);
  display: inline-block; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.success-badge {
  display: inline-block; background: #e7f7ec; color: var(--ok);
  padding: .5rem .9rem; border-radius: 10px; font-weight: 700; margin-bottom: .5rem;
}

.tokens-list { display: flex; flex-direction: column; gap: .6rem; margin-top: .8rem; }
.token-item {
  display: flex; align-items: center; gap: .8rem; padding: .8rem 1rem;
  border: 1px solid var(--line); border-radius: 12px; background: #fbfcfe; flex-wrap: wrap;
}
.token-val {
  flex: 1; min-width: 220px; font-family: ui-monospace, monospace; font-size: .88rem;
  letter-spacing: .3px; color: #3a4257;
}
.token-val.blurred { filter: blur(6px); user-select: none; }
.token-meta { font-size: .78rem; color: var(--muted); }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.inline-check { display: flex; align-items: center; gap: .4rem; margin: 0; font-weight: 600; }
.inline-check input { width: auto; margin: 0; }

.grid-form { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem 1rem; align-items: end; }
.grid-form button { grid-column: 1 / -1; }
@media (max-width: 560px) {
  .grid-form { grid-template-columns: 1fr; }
  .topbar { flex-wrap: wrap; gap: .6rem; }
}

.badge { font-size: .72rem; padding: .15rem .5rem; border-radius: 20px; font-weight: 700; }
.badge.admin { background: #ede9fe; color: #6d28d9; }
.badge.collector { background: #e0f2fe; color: #0369a1; }
.badge.off { background: #fee2e2; color: #b91c1c; }