:root {
  --bg: #0b1220;
  --bg-panel: #111a2b;
  --bg-card: #16223a;
  --border: #223252;
  --text: #eef2f8;
  --text-dim: #9fb0c9;
  --accent: #1e9bff;
  --accent-hover: #3fa9ff;
  --green: #1dd47a;
  --red: #ff5c6c;
  --yellow: #ffb020;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 20px; margin: 0; }

.container { max-width: 1100px; margin: 0 auto; padding: 28px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card .card-user { color: var(--text-dim); font-size: 13px; margin-bottom: 10px; }
.card .card-url { color: var(--text-dim); font-size: 12px; word-break: break-all; margin-bottom: 10px; }

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}
.badge-active { background: rgba(29,212,122,.15); color: var(--green); }
.badge-expired { background: rgba(255,92,108,.15); color: var(--red); }
.badge-unknown { background: rgba(159,176,201,.15); color: var(--text-dim); }
.badge-loading { background: rgba(255,176,32,.15); color: var(--yellow); }

.empty { text-align: center; padding: 60px 20px; color: var(--text-dim); }
.empty.hidden, .overlay.hidden { display: none; }

.btn {
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: #26344f; color: var(--text); }
.btn-secondary:hover { background: #30425f; }
.btn-danger { background: transparent; color: var(--red); border: 1px solid var(--red); }
.btn-danger:hover { background: rgba(255,92,108,.1); }

.overlay {
  position: fixed; inset: 0;
  background: rgba(4,8,16,.6);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  z-index: 50;
}

.modal {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px;
  width: 100%;
  max-width: 420px;
}
.modal h2 { margin: 0 0 18px; text-align: center; font-size: 22px; }

#accountForm label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 12px;
}
#accountForm input {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-size: 14px;
}
#accountForm input:focus { outline: none; border-color: var(--accent); }

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 18px;
  flex-wrap: wrap;
}

.formError {
  color: var(--red);
  font-size: 13px;
  margin: -6px 0 10px;
}

.info-body { display: flex; flex-direction: column; gap: 14px; }
.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 15px;
}
.info-row .label { color: var(--text-dim); }
.info-row .value { font-weight: 600; }
.info-loading, .info-error { text-align: center; color: var(--text-dim); padding: 20px 0; }
.info-error { color: var(--red); }