:root {
  --bg: #0f1419;
  --panel: #182028;
  --panel-2: #1f2a35;
  --line: #2c3b4a;
  --text: #e8eef4;
  --muted: #8fa3b5;
  --accent: #3db8a0;
  --accent-2: #f0a05a;
  --danger: #e45d6b;
  --ok: #5ec27a;
  --warn: #e0b45a;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
  --radius: 18px;
  --font: "Segoe UI", "IBM Plex Sans", sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(61, 184, 160, 0.16), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(240, 160, 90, 0.12), transparent 50%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
}

body {
  padding: 24px;
}

.shell {
  max-width: 1100px;
  margin: 0 auto;
}

.top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 22px;
}

.brand {
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.sub {
  color: var(--muted);
  margin-top: 4px;
  font-size: 0.95rem;
}

.meta {
  text-align: right;
  color: var(--muted);
  font-size: 0.85rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}

.badge.ok { color: var(--ok); border-color: rgba(94, 194, 122, 0.35); }
.badge.err { color: var(--danger); border-color: rgba(228, 93, 107, 0.35); }

.grid {
  display: grid;
  gap: 14px;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent 40%), var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
  margin-bottom: 14px;
}

.name {
  font-size: 1.15rem;
  font-weight: 650;
}

.mac, .ip {
  color: var(--muted);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}

.tag.on { color: var(--ok); border-color: rgba(94,194,122,.4); }
.tag.off { color: var(--muted); }
.tag.ban { color: var(--danger); border-color: rgba(228,93,107,.45); background: rgba(228,93,107,.08); }
.tag.blocked { color: var(--accent-2); border-color: rgba(240,160,90,.45); background: rgba(240,160,90,.08); }

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0 16px;
}

.stat {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
}

.stat .label {
  color: var(--muted);
  font-size: 0.75rem;
  margin-bottom: 4px;
}

.stat .value {
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}

.quota-box {
  background: rgba(0,0,0,0.18);
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 14px;
}

.quota-box strong { display: block; margin-bottom: 6px; }
.quota-box .detail { color: var(--muted); font-size: 0.9rem; line-height: 1.45; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

button, .btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}

button:hover { border-color: #3f5568; }
button.primary {
  background: linear-gradient(180deg, #49c7ad, #2f9f8a);
  border-color: transparent;
  color: #04241d;
  font-weight: 650;
}
button.danger {
  background: rgba(228, 93, 107, 0.14);
  border-color: rgba(228, 93, 107, 0.45);
  color: #ffb4bc;
}
button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.panel {
  margin-top: 18px;
}

.panel h2 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr 1fr auto;
  gap: 8px;
  margin-bottom: 8px;
}

input, select {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 9px 10px;
  font: inherit;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 12, 0.72);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 20;
}

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

.modal {
  width: min(520px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.modal h3 { margin: 0 0 8px; }
.modal p { margin: 0 0 14px; color: var(--muted); }
.modal .fields {
  display: grid;
  grid-template-columns: 1fr 110px;
  gap: 8px;
  margin-bottom: 12px;
}
.modal .fields label {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.85rem;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  opacity: 0;
  transform: translateY(8px);
  transition: .2s ease;
  pointer-events: none;
  z-index: 30;
}
.toast.show { opacity: 1; transform: none; }
.toast.err { border-color: rgba(228,93,107,.5); color: #ffb4bc; }

.nav-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}
.nav-link:hover { text-decoration: underline; }

code, .mono {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.86em;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.data-table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.8rem;
  background: rgba(0, 0, 0, 0.18);
}

.data-table tr:last-child td { border-bottom: none; }

.auth-shell {
  max-width: 440px;
  min-height: calc(100vh - 48px);
  display: flex;
  align-items: center;
}

.auth-card {
  width: 100%;
}

.auth-title {
  margin: 10px 0 6px;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.auth-form {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.auth-form label {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 4px;
}

.auth-submit {
  margin-top: 10px;
  width: 100%;
}

.auth-error {
  color: #ffb4bc;
  margin: 4px 0 0;
  font-size: 0.9rem;
}

.auth-notice {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(240, 160, 90, 0.4);
  background: rgba(240, 160, 90, 0.08);
  color: #f3c27a;
  font-size: 0.9rem;
  line-height: 1.4;
}

.auth-switch {
  margin: 16px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.optional-block {
  margin-top: 8px;
  padding: 10px 12px;
  border: 1px dashed var(--line);
  border-radius: 12px;
}

.optional-block summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.9rem;
}

.password-form {
  max-width: 420px;
}

.ghost-btn {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
  padding: 4px 8px;
  font-size: 0.85rem;
}
.ghost-btn:hover {
  color: var(--text);
  border-color: var(--line);
}

[hidden] { display: none !important; }

.feature-list { display: grid; gap: 10px; margin-top: 12px; }
.feature-group { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; margin-top: 10px; }
.switch-row {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 10px 14px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px;
}
.switch-row .sw-title { font-weight: 600; }
.switch-row .sw-desc { color: var(--muted); font-size: 0.85rem; }
.switch { position: relative; width: 44px; height: 24px; flex: none; }
.switch input { opacity: 0; width: 100%; height: 100%; margin: 0; position: absolute; cursor: pointer; z-index: 1; }
.switch .slider { position: absolute; inset: 0; background: var(--line); border-radius: 24px; transition: background 0.15s; }
.switch .slider::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px;
  background: var(--text); border-radius: 50%; transition: transform 0.15s;
}
.switch input:checked + .slider { background: var(--accent); }
.switch input:checked + .slider::after { transform: translateX(20px); }
.switch-row.warn { border-color: var(--warn); }
.override-select {
  background: var(--panel); color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; padding: 4px 6px; font: inherit; font-size: 0.85rem;
}

html { -webkit-text-size-adjust: 100%; }
body { padding-left: max(24px, env(safe-area-inset-left)); padding-right: max(24px, env(safe-area-inset-right)); }
.card-head { flex-wrap: wrap; }
.data-table td, .data-table th { overflow-wrap: anywhere; }
.table-wrap { -webkit-overflow-scrolling: touch; }
.modal { max-height: calc(100vh - 32px); overflow-y: auto; }

@media (max-width: 720px) {
  body { padding: 14px; padding-left: max(14px, env(safe-area-inset-left)); padding-right: max(14px, env(safe-area-inset-right)); padding-bottom: max(14px, env(safe-area-inset-bottom)); }
  .top { flex-direction: column; align-items: stretch; }
  .meta { text-align: left; }
  .brand { font-size: 1.4rem; }
  .card { padding: 14px; border-radius: 14px; }
  .form-row { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  /* 16px inputs stop iOS Safari zooming on focus; larger tap targets */
  input, select, button, .btn { font-size: 16px; min-height: 44px; }
  .ghost-btn { min-height: 36px; }
  .switch { min-height: 0; }
  .switch input { min-height: 0; }
  .actions { gap: 8px; }
  .actions > button { flex: 1 1 calc(50% - 8px); }
  .card-head > .actions { width: 100%; }
  .card-head > button { width: 100%; }
  .switch-row { padding: 10px 12px; }
  .modal-backdrop { align-items: flex-end; padding: 0; }
  .modal { width: 100%; border-radius: 16px 16px 0 0; padding-bottom: max(18px, env(safe-area-inset-bottom)); }
  .modal .fields { grid-template-columns: 1fr 96px; }
  .toast { left: 14px; right: 14px; bottom: max(14px, env(safe-area-inset-bottom)); text-align: center; }
  .data-table { font-size: 0.85rem; }
  .data-table th, .data-table td { padding: 8px; }
  .auth-shell { min-height: calc(100vh - 28px); }
  .password-form { max-width: none; }
}