:root {
  --bg: #0f1419;
  --panel: #1a2332;
  --border: #2d3a4f;
  --text: #e8eef7;
  --muted: #8b9cb3;
  --accent: #ffc107;
  --danger: #ef5350;
  --ok: #66bb6a;
  --link: #64b5f6;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(160deg, #0f1419 0%, #152238 100%);
  color: var(--text);
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

header.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

header.top h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 600;
}

.sub {
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 6px;
}

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

button, .btn-link {
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  text-decoration: none;
  display: inline-block;
}

button.primary {
  background: #2a3f5f;
  border-color: #3d5a80;
}

button.primary:hover {
  background: #355578;
}

button.danger {
  border-color: #8b3a38;
  color: #ffcdd2;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 16px;
}

.shop-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.shop-row:last-child { border-bottom: none; }

.shop-name {
  font-weight: 600;
  font-size: 1.05rem;
}

.shop-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.btn-link {
  color: var(--link);
  border-color: #3d5a80;
}

small.hint {
  color: var(--muted);
  font-size: 0.82rem;
}

p.hint {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
  margin: 8px 0;
}

p.hint.warn {
  color: #ffccbc;
  border-left: 3px solid var(--danger);
  padding-left: 10px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 100;
}

.modal-backdrop.open { display: flex; }

.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  padding: 22px;
}

.modal h2 {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.modal ol {
  margin: 8px 0 16px 18px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

textarea {
  width: 100%;
  min-height: 120px;
  background: #0d1218;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.85rem;
}

.input-row {
  margin-top: 12px;
}

.input-row label {
  display: block;
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.input-row input[type="text"] {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0d1218;
  color: var(--text);
}

.msg {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.msg.err { background: #3e2723; color: #ffccbc; border: 1px solid #5d4037; }
.msg.ok { background: #1b3a21; color: #c8e6c9; border: 1px solid #2e5c36; }

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  width: 100%;
  max-width: 380px;
}

.login-card h1 { margin-top: 0; font-size: 1.25rem; }

.login-card input {
  width: 100%;
  padding: 10px;
  margin: 8px 0 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0d1218;
  color: var(--text);
}

.login-card button {
  width: 100%;
}

.err { color: #ffcdd2; margin-bottom: 12px; }

code.inline {
  background: #0d1218;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85rem;
}