:root {
  --sidebar-bg: #1a1d24;
  --sidebar-text: #e8eaed;
  --sidebar-muted: #9aa0a6;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --card-bg: #ffffff;
  --page-bg: #f0f2f5;
  --border: #e5e7eb;
  --danger: #dc2626;
  --success: #16a34a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei",
    sans-serif;
  background: var(--page-bg);
  color: #111827;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  padding: 20px 0;
  flex-shrink: 0;
}

.brand {
  padding: 0 20px 16px;
  font-weight: 700;
  font-size: 1.05rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 12px;
}

.brand small {
  display: block;
  margin-top: 6px;
  color: var(--sidebar-muted);
  font-weight: 400;
  font-size: 0.78rem;
}

.nav a {
  display: block;
  padding: 10px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 0.92rem;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.06);
  text-decoration: none;
}

.nav a.active {
  background: rgba(59, 130, 246, 0.18);
  border-left: 3px solid var(--accent);
  padding-left: 17px;
}

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.topbar .meta {
  color: #6b7280;
  font-size: 0.88rem;
}

.content {
  padding: 22px 24px 40px;
}

.card {
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 20px 22px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.card + .card {
  margin-top: 16px;
}

h1 {
  font-size: 1.35rem;
  margin: 0 0 16px;
}

h2 {
  font-size: 1.1rem;
  margin: 0 0 12px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.stat {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.stat .num {
  font-size: 1.6rem;
  font-weight: 700;
}

.stat .lbl {
  color: #6b7280;
  font-size: 0.85rem;
  margin-top: 4px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
}

th {
  color: #4b5563;
  font-weight: 600;
  background: #fafafa;
}

tr:hover td {
  background: #fafafa;
}

.btn {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  font-size: 0.88rem;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-danger {
  border-color: #fecaca;
  color: var(--danger);
  background: #fff5f5;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.82rem;
}

input[type="text"],
input[type="password"],
input[type="url"],
select,
textarea {
  width: 100%;
  max-width: 520px;
  padding: 9px 11px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font: inherit;
}

textarea {
  min-height: 80px;
  max-width: 720px;
}

.form-row {
  margin-bottom: 14px;
}

label {
  display: block;
  margin-bottom: 6px;
  color: #374151;
  font-size: 0.9rem;
}

.flash {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 14px;
  font-size: 0.9rem;
}

.flash.error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.flash.success {
  background: #ecfdf3;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.flash.info {
  background: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

.flash-created-link {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
}
.flash-created-main {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  min-width: 0;
}
.flash-created-url {
  word-break: break-all;
}
.flash-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex-shrink: 0;
}

.muted {
  color: #6b7280;
  font-size: 0.86rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.login-wrap {
  max-width: 400px;
  margin: 80px auto;
  padding: 0 16px;
}

.login-card {
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 28px 24px;
}

.login-title {
  text-align: center;
  margin-bottom: 18px;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.82rem;
  word-break: break-all;
}

.public-msg {
  max-width: 520px;
  margin: 80px auto;
  padding: 24px;
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border);
  text-align: center;
}

.domain-showcase {
  margin-bottom: 16px;
}

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

.domain-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
  border: 1px solid var(--border);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.badge-ok {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: #ecfdf3;
  color: #166534;
  border: 1px solid #bbf7d0;
}

label.inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.toolbar-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

#links-table .col-adv {
  display: none;
}

table#links-table.show-adv .col-adv {
  display: table-cell;
}

.cred-card {
  border: 2px dashed var(--accent);
  background: #eff6ff;
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 20px;
}

.cred-card pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-all;
  font-size: 0.9rem;
}