*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f5f5f4;
  --surface: #ffffff;
  --border: #e5e5e4;
  --border-focus: #1c1c1b;
  --text: #1c1c1b;
  --text-2: #666;
  --text-3: #aaa;
  --accent: #1c1c1b;
  --accent-fg: #fff;
  --danger: #b91c1c;
  --danger-bg: #fff5f5;
  --danger-border: #fecaca;
  --success: #15803d;
  --success-bg: #f0fdf4;
  --warn-bg: #fffbeb;
  --warn-border: #fde68a;
  --radius: 10px;
  --radius-sm: 7px;
}

body { font-family: system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; font-size: 14px; line-height: 1.5; }

/* Nav */
nav { background: var(--surface); border-bottom: 1px solid var(--border); padding: 0 28px; height: 52px; display: flex; align-items: center; justify-content: space-between; }
.nav-left { display: flex; align-items: center; gap: 20px; }
.nav-brand { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; text-decoration: none; color: var(--text); }
.nav-brand svg { opacity: .7; }
.nav-links { display: flex; gap: 2px; }
.nav-link { text-decoration: none; color: var(--text-2); font-size: 13px; padding: 5px 10px; border-radius: var(--radius-sm); transition: background .12s, color .12s; }
.nav-link:hover { background: var(--bg); color: var(--text); }
.nav-link.active { color: var(--text); font-weight: 500; background: var(--bg); }
.nav-right { display: flex; align-items: center; gap: 10px; }
.domain-pill { font-family: monospace; font-size: 11px; background: var(--bg); border: 1px solid var(--border); padding: 3px 9px; border-radius: 20px; color: var(--text-2); }

/* Layout */
.page { max-width: 900px; margin: 28px auto; padding: 0 20px; }
.page-sm { max-width: 440px; margin: 80px auto; padding: 0 20px; }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 20px; }
.card-head { padding: 13px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.card-head h2 { font-size: 12px; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; }
.card-body { padding: 18px; }

/* Forms */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label { font-size: 12px; font-weight: 500; color: var(--text-2); }
input[type=text], input[type=url], input[type=password], select, textarea {
  padding: 8px 11px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 14px; color: var(--text); background: var(--surface); width: 100%;
  transition: border-color .15s, box-shadow .15s; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--border-focus); box-shadow: 0 0 0 3px rgba(0,0,0,.06); }
.input-row { display: flex; gap: 7px; }
.input-row input { flex: 1; }
.hint { font-size: 11px; color: var(--text-3); margin-top: 3px; }
.hint.ok  { color: var(--success); }
.hint.err { color: var(--danger); }

/* Buttons */
button, .btn {
  padding: 8px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text); font-size: 13px; font-weight: 500;
  cursor: pointer; transition: background .12s, border-color .12s, transform .08s;
  display: inline-flex; align-items: center; gap: 5px; text-decoration: none;
  font-family: inherit; line-height: 1;
}
button:hover, .btn:hover { background: var(--bg); }
button:active, .btn:active { transform: scale(.98); }
button.primary, .btn.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
button.primary:hover, .btn.primary:hover { background: #333; border-color: #333; }
button.sm, .btn.sm { padding: 5px 10px; font-size: 12px; }
button.danger { color: var(--danger); border-color: var(--danger-border); }
button.danger:hover { background: var(--danger-bg); }
button.full { width: 100%; justify-content: center; padding: 10px; }

/* Messages */
.msg { font-size: 13px; min-height: 18px; }
.msg.ok  { color: var(--success); }
.msg.err { color: var(--danger); }
.alert { padding: 10px 14px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: 14px; }
.alert.err { background: var(--danger-bg); border: 1px solid var(--danger-border); color: var(--danger); }
.alert.warn { background: var(--warn-bg); border: 1px solid var(--warn-border); color: #92400e; }

/* Table */
table { width: 100%; border-collapse: collapse; }
th { font-size: 11px; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .05em; padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--border); }
td { padding: 11px 12px; border-bottom: 1px solid #f8f8f7; vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafaf9; }
.mono { font-family: monospace; font-size: 12px; color: var(--text-2); }
.dest-cell { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-2); font-size: 13px; }
.pill { font-size: 11px; padding: 2px 8px; border-radius: 20px; font-weight: 500; display: inline-block; }
.pill-gray { background: #f0f0ef; color: #555; }
.pill-green { background: #dcfce7; color: #166534; }
.actions-cell { display: flex; gap: 5px; white-space: nowrap; }
.edit-bg td { background: #fafaf9; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.stat .num { font-size: 22px; font-weight: 600; }
.stat .lbl { font-size: 11px; color: var(--text-3); margin-top: 2px; }

/* QR */
.qr-wrap { background: #f9f9f8; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; display: inline-flex; flex-direction: column; align-items: center; gap: 10px; }
.qr-layout { display: flex; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.qr-info { flex: 1; min-width: 200px; display: flex; flex-direction: column; gap: 12px; }
.meta { background: #f9f9f8; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 14px; font-size: 13px; line-height: 2; }
.meta .k { font-size: 11px; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .05em; display: block; }
.meta .v { color: var(--text); word-break: break-all; }
.notice { font-size: 12px; color: #92400e; line-height: 1.6; padding: 10px 14px; background: var(--warn-bg); border: 1px solid var(--warn-border); border-radius: var(--radius-sm); }

/* Login */
.login-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 28px 24px; }
.login-logo { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 16px; margin-bottom: 24px; }
.session-note { font-size: 12px; color: var(--text-3); text-align: center; margin-top: 12px; }

/* Empty */
.empty { padding: 36px 20px; text-align: center; color: var(--text-3); }

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .dest-cell { max-width: 100px; }
}