:root {
  --bg: #F4F5F7; --card: #FFFFFF; --border: #E5E8EC; --text: #1F2328; --muted: #6B7280; --faint: #9AA1AB;
  --accent: #4A6FA5; --accent-soft: #E8EEF6; --danger: #B4544B; --danger-soft: #F7ECEB;
  --ok: #4F7D5C; --ok-soft: #EAF2EC; --warn: #8A6D2F; --warn-soft: #F6F0E2;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
.wrap { max-width: 520px; margin: 0 auto; padding: 20px 16px calc(32px + env(safe-area-inset-bottom)); }
.brand { display: flex; align-items: center; gap: 12px; margin: 4px 4px 20px; }
.brand-name { font-weight: 700; font-size: 19px; color: var(--accent); }
.brand-sub { font-size: 14px; color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 20px; margin-bottom: 14px; }
h1 { font-size: 22px; margin: 0 0 6px; }
h2 { font-size: 18px; margin: 0 0 14px; }
.muted { color: var(--muted); font-size: 14px; margin: 0 0 8px; }
label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin: 14px 0 6px; }
input { width: 100%; height: 50px; padding: 0 14px; border: 1px solid var(--border); border-radius: 12px; font-size: 17px;
  color: var(--text); background: #fff; outline: none; -webkit-appearance: none; }
input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
#mac, #key { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: 1px; }
.btn { display: block; width: 100%; height: 52px; margin-top: 18px; border: 1px solid var(--border); border-radius: 14px;
  background: #F2F4F7; color: var(--text); font-size: 16px; font-weight: 600; cursor: pointer; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn:disabled { opacity: .6; cursor: default; }
.btn + .btn { margin-top: 10px; }
.link { background: none; border: 0; color: var(--accent); font-size: 14px; font-weight: 600; padding: 6px 0; cursor: pointer; }
.alert { margin-top: 14px; padding: 12px 14px; border-radius: 12px; font-size: 14px; line-height: 1.4; }
.alert.error { background: var(--danger-soft); color: var(--danger); }
.alert.ok { background: var(--ok-soft); color: var(--ok); }
.alert.info { background: var(--accent-soft); color: var(--accent); }
.alert.warn { background: var(--warn-soft); color: var(--warn); }
.alert .step { display: flex; align-items: center; gap: 8px; }
.alert .step + .step { margin-top: 6px; }
.spin { width: 14px; height: 14px; border-radius: 50%; border: 2px solid currentColor; border-top-color: transparent;
  animation: spin .8s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.tv { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; }
.tv-main { flex: 1; min-width: 0; }
.tv-title { font-weight: 700; }
.tv-mac { font-family: ui-monospace, Menlo, monospace; font-size: 14px; color: var(--muted); }
.pill { font-size: 13px; font-weight: 600; padding: 4px 10px; border-radius: 99px; background: #F2F4F7; color: var(--muted); }
.pill.on { background: var(--ok-soft); color: var(--ok); }
.tv .link { width: 100%; text-align: left; }

.tabs { display: flex; background: #F2F4F7; border-radius: 12px; padding: 3px; }
.tab { flex: 1; height: 40px; border: 0; border-radius: 10px; background: transparent; font-size: 15px; font-weight: 600; color: var(--muted); cursor: pointer; }
.tab.active { background: #fff; color: var(--text); box-shadow: 0 1px 3px rgba(31,35,40,.08); }

.pl-list { list-style: none; margin: 0; padding: 0; }
.pl-list li { display: flex; align-items: center; gap: 10px; padding: 12px 0; border-top: 1px solid var(--border); }
.pl-list li:first-child { border-top: 0; padding-top: 0; }
.pl-info { flex: 1; min-width: 0; }
.pl-name { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pl-meta { font-size: 13px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pl-del { flex: none; height: 36px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--border); background: #fff;
  color: var(--danger); font-size: 14px; font-weight: 600; cursor: pointer; }
.pl-del.confirm { background: var(--danger-soft); border-color: var(--danger); }
.empty { color: var(--faint); font-size: 14px; }
.foot { text-align: center; color: var(--faint); font-size: 12px; margin-top: 18px; }