/* ── Theme tokens (dark default; light via prefers-color-scheme) ── */
:root {
  --bg: #0e1014;
  --bg-2: #161a21;
  --card: #171b22;
  --border: #262c36;
  --border-strong: #313a47;
  --text: #e7ebf0;
  --muted: #9aa3b0;
  --badge-bg: #1d2430;
  --shadow: 0 6px 22px rgba(0, 0, 0, 0.35);

  /* per-service accent hues (same in both themes) */
  --c-vpn: #3b82f6;
  --c-mc: #2ea043;
  --c-bot: #ec4899;
  --c-gh: #8b949e;
  --c-brand: #5b8cff;

  --green: #3fb950;
  --red: #f85149;
  --radius: 14px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3f5f9;
    --bg-2: #ffffff;
    --card: #ffffff;
    --border: #e3e7ee;
    --border-strong: #cdd4df;
    --text: #1b2027;
    --muted: #5b6675;
    --badge-bg: #eef1f6;
    --shadow: 0 6px 20px rgba(20, 30, 50, 0.08);
    --c-gh: #57606a;
    --green: #1a7f37;
    --red: #cf222e;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, system-ui, sans-serif;
  min-height: 100vh;
}

svg { display: block; }

/* ── Top bar ── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px clamp(16px, 4vw, 40px);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-icon {
  width: 44px; height: 44px; flex: none;
  display: grid; place-items: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--c-brand) 18%, transparent);
  color: var(--c-brand);
}
.brand-icon svg { width: 26px; height: 26px; }
.topbar h1 { font-size: 18px; margin: 0; letter-spacing: .2px; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: 12.5px; }
.updated { color: var(--muted); font-size: 12.5px; margin: 0; }

/* ── Layout ── */
main { padding: clamp(18px, 4vw, 36px); max-width: 1080px; margin: 0 auto; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
}

/* ── Service cards ── */
.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 9px;
  transition: transform .14s ease, border-color .14s ease, box-shadow .14s ease;
}
.card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--c) 55%, var(--border));
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28);
}
.icon-sq {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: color-mix(in srgb, var(--c) 16%, transparent);
  color: var(--c);
}
.icon-sq svg { width: 22px; height: 22px; }
.card-title { font-size: 15px; font-weight: 650; }
.card-meta { color: var(--muted); font-size: 12px; }
.card-status { font-size: 12.5px; color: var(--muted); margin-top: 2px; min-height: 1.2em; }
.card-btn {
  margin-top: auto;
  font: inherit; font-size: 12.5px; font-weight: 600;
  border: none; border-radius: 9px; padding: 9px 12px; cursor: pointer;
  background: var(--c); color: #fff;
  transition: filter .12s ease, transform .1s ease;
}
.card-btn:hover { filter: brightness(1.08); }
.card-btn:active { transform: translateY(1px); }

/* status dot in corner */
.dot {
  position: absolute; top: 14px; right: 14px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--muted);
}
.dot-up { background: var(--green); animation: pulse 1.4s ease-in-out infinite; }
.dot-down { background: var(--red); animation: pulse 1.4s ease-in-out infinite; }
.dot-off { background: var(--muted); }
.dot-wait { background: var(--muted); animation: pulse 1.1s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

/* ── Buttons (control panel) ── */
.btn {
  font: inherit; font-size: 13px; font-weight: 600;
  border-radius: 9px; padding: 9px 14px; cursor: pointer;
  border: 1px solid var(--border); background: var(--bg-2); color: var(--text);
  display: inline-flex; align-items: center; gap: 6px;
  transition: border-color .12s ease, background .12s ease, opacity .12s ease;
}
.btn:hover { border-color: var(--border-strong); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn svg { width: 15px; height: 15px; }
.btn-sm { padding: 6px 10px; font-size: 12px; }
.btn-primary { background: var(--c-brand); border-color: var(--c-brand); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); border-color: var(--c-brand); }
.btn-ghost { background: transparent; }
.btn-warn {
  background: color-mix(in srgb, #d29922 18%, transparent);
  border-color: color-mix(in srgb, #d29922 45%, transparent);
  color: #e3a92b;
}
.btn-warn:hover:not(:disabled) { background: color-mix(in srgb, #d29922 28%, transparent); }

/* ── Control panel ── */
.panel {
  margin-top: 26px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.panel-title { display: inline-flex; align-items: center; gap: 9px; font-size: 16px; font-weight: 650; }
.panel-title svg { width: 18px; height: 18px; color: var(--muted); }
.badge {
  font-size: 11.5px; font-weight: 600; color: var(--muted);
  background: var(--badge-bg); border: 1px solid var(--border);
  padding: 4px 10px; border-radius: 999px;
}
.badge.ok { color: var(--green); border-color: color-mix(in srgb, var(--green) 40%, transparent); }

.login-row { display: flex; gap: 9px; flex-wrap: wrap; }
.login-row input[type="password"] {
  flex: 1 1 200px;
  font: inherit; padding: 10px 13px;
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 9px; color: var(--text);
}
.login-row input:focus { outline: none; border-color: var(--c-brand); }
.error { color: var(--red); font-size: 13px; margin: 8px 0 0; }
.hidden { display: none; }

.panel-body { margin-top: 16px; transition: opacity .2s ease, filter .2s ease; }
.panel-body.locked { opacity: .5; filter: grayscale(.4); pointer-events: none; user-select: none; }

.ctl-grid { display: flex; flex-direction: column; gap: 10px; }
.ctl-row {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 11px; padding: 12px 14px;
}
.ctl-name { display: flex; flex-direction: column; gap: 1px; margin-right: auto; }
.ctl-name strong { font-size: 14px; }
.ctl-unit { font-size: 11px; color: var(--muted); font-family: "SF Mono", Consolas, monospace; }
.state-chip {
  font-size: 11.5px; color: var(--muted);
  padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); white-space: nowrap;
}
.state-chip.up { color: var(--green); border-color: color-mix(in srgb, var(--green) 40%, transparent); }
.state-chip.down { color: var(--red); border-color: color-mix(in srgb, var(--red) 40%, transparent); }

.metrics { margin-top: 18px; }
.metrics-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.metrics h3 { margin: 0; font-size: 14.5px; }
.metric { margin-bottom: 10px; }
.metric-label { display: block; font-size: 11.5px; color: var(--muted); margin-bottom: 4px; }
.metric-block {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 9px; padding: 10px 12px; margin: 0;
  font-family: "SF Mono", "Cascadia Code", Consolas, monospace;
  font-size: 11.5px; color: var(--text);
  white-space: pre-wrap; word-break: break-word; overflow-x: auto;
}

/* ── VPN share (public section + personal block) ── */
.vpn-share {
  display: flex; align-items: center; gap: 18px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; margin-top: 16px;
  box-shadow: var(--shadow);
}
.vpn-share.hidden { display: none; }
.vpn-share-info { flex: 1 1 auto; min-width: 0; }
.vpn-share-head { display: flex; align-items: center; gap: 13px; margin-bottom: 14px; }
.vpn-share-icon {
  width: 42px; height: 42px; flex: none; display: grid; place-items: center;
  border-radius: 11px; color: var(--c-vpn);
  background: color-mix(in srgb, var(--c-vpn) 16%, transparent);
}
.vpn-share-icon svg { width: 23px; height: 23px; }
.vpn-share-head h2 { margin: 0; font-size: 16px; }
.vpn-link-row { display: flex; align-items: center; gap: 9px; }
.vpn-link {
  flex: 1 1 auto; min-width: 0;
  font-family: "SF Mono", "Cascadia Code", Consolas, monospace; font-size: 12px;
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 9px 11px; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.vpn-qr { flex: none; }
.vpn-qr img {
  width: 132px; height: 132px; display: block;
  background: #fff; padding: 7px; border-radius: 10px;
}
.personal-vpn { margin-bottom: 18px; }
.personal-vpn h3 { margin: 0 0 6px; font-size: 14.5px; }
.personal-vpn .vpn-share { margin-top: 8px; }

@media (max-width: 520px) {
  .topbar { padding: 14px 16px; }
  .grid { grid-template-columns: 1fr; }
  .panel { padding: 16px; }
  .ctl-row { flex-wrap: wrap; }
  .vpn-share { flex-direction: column; align-items: stretch; }
  .vpn-qr { align-self: center; }
}