:root {
  /* Palette aligned to 0vpn_logo.png */
  --bg0: #2f3240;
  --bg1: #1d202a;
  --bg2: #0f1117;
  --card: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.12);
  --text: #f3f6ff;
  --muted: rgba(243, 246, 255, 0.70);
  --blue: #2f71be;
  --blue2: #63a6ff;
  --red: #e12839;
  --red2: #ff5a66;
  --shadow: rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100svh;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Noto Sans", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 700px at 15% 0%, rgba(47, 113, 190, 0.40), transparent 55%),
              radial-gradient(900px 700px at 90% 25%, rgba(225, 40, 57, 0.30), transparent 60%),
              radial-gradient(900px 900px at 40% 120%, rgba(99, 166, 255, 0.18), transparent 60%),
              linear-gradient(180deg, var(--bg0), var(--bg2));
}

.bg {
  position: fixed;
  inset: 0;
  background: transparent;
  pointer-events: none;
  opacity: 1;
  transform: translateZ(0);
}

.blob {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 999px;
  filter: blur(40px) saturate(1.15);
  opacity: 0.72;
  mix-blend-mode: screen;
  will-change: transform;
}
.blob1 {
  left: -180px;
  top: -180px;
  background:
    radial-gradient(closest-side at 30% 30%, rgba(47, 113, 190, 0.95), transparent 62%),
    conic-gradient(from 90deg at 50% 50%, rgba(47, 113, 190, 0.35), rgba(99, 166, 255, 0.18), rgba(47, 113, 190, 0.35));
  animation: blob1 14s ease-in-out infinite;
}
.blob2 {
  right: -220px;
  top: 8%;
  background:
    radial-gradient(closest-side at 40% 35%, rgba(225, 40, 57, 0.85), transparent 60%),
    conic-gradient(from 40deg at 50% 50%, rgba(225, 40, 57, 0.26), rgba(47, 113, 190, 0.16), rgba(225, 40, 57, 0.26));
  animation: blob2 18s ease-in-out infinite;
}
.blob3 {
  left: 12%;
  bottom: -240px;
  width: 640px;
  height: 640px;
  background:
    radial-gradient(closest-side at 45% 45%, rgba(99, 166, 255, 0.80), transparent 64%),
    conic-gradient(from 140deg at 50% 50%, rgba(99, 166, 255, 0.20), rgba(225, 40, 57, 0.14), rgba(99, 166, 255, 0.20));
  animation: blob3 22s ease-in-out infinite;
}

@keyframes blob1 {
  0% { transform: translate3d(0, 0, 0) scale(1) rotate(0deg); }
  50% { transform: translate3d(110px, 90px, 0) scale(1.18) rotate(18deg); }
  100% { transform: translate3d(0, 0, 0) scale(1) rotate(0deg); }
}
@keyframes blob2 {
  0% { transform: translate3d(0, 0, 0) scale(1) rotate(0deg); }
  50% { transform: translate3d(-160px, 140px, 0) scale(1.22) rotate(-16deg); }
  100% { transform: translate3d(0, 0, 0) scale(1) rotate(0deg); }
}
@keyframes blob3 {
  0% { transform: translate3d(0, 0, 0) scale(1) rotate(0deg); }
  50% { transform: translate3d(120px, -110px, 0) scale(1.12) rotate(10deg); }
  100% { transform: translate3d(0, 0, 0) scale(1) rotate(0deg); }
}

.app {
  width: min(920px, calc(100% - 28px));
  margin: 0 auto;
  padding: 18px 0 24px;
  display: grid;
  gap: 18px;
}

.hero {
  display: grid;
  gap: 10px;
  padding: 14px 14px 0;
}

.brand {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  align-items: center;
}
.brandLogo {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 18px 45px var(--shadow);
}
.brandText { display: grid; gap: 6px; }

.hero h1 { margin: 6px 0; font-size: clamp(24px, 5vw, 38px); }
.eyebrow { margin: 0; color: var(--muted); text-transform: uppercase; letter-spacing: .12em; font-size: 12px; }
.subtitle { margin: 0; color: var(--muted); }
.muted { color: var(--muted); }

.status {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.pill {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 999px;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--muted);
  backdrop-filter: blur(10px);
}
.pill strong { color: var(--text); }

.tabs {
  margin: 0 14px;
  display: flex;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 55px rgba(0,0,0,0.25);
}
.tab {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 14px;
  transition: background .18s ease, transform .18s ease, color .18s ease, border-color .18s ease;
}
.tab:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}
.tab:hover { transform: translateY(-1px); background: rgba(255,255,255,.08); }
.tab.active {
  color: var(--text);
  border-color: rgba(255,255,255,.14);
  background: linear-gradient(135deg, rgba(47,113,190,.22), rgba(225,40,57,.14));
}

.customAmt {
  display: grid;
  gap: 8px;
}
.customAmtRow {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}
.input {
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.18);
  color: var(--text);
  outline: none;
}
.input:focus {
  border-color: rgba(99, 166, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(99, 166, 255, 0.14);
}

.view { display: none; }
.view.active { display: grid; gap: 16px; padding: 0 14px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 16px;
  color: var(--text);
  padding: 14px;
  text-align: left;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease;
  box-shadow: 0 18px 55px rgba(0,0,0,0.18);
}
.card:hover { transform: translateY(-2px); background: rgba(255,255,255,.10); }
.card h2 { margin: 0 0 6px; font-size: 20px; }
.card p { margin: 0; color: var(--muted); }

.plans { border: 1px solid var(--line); background: var(--card); border-radius: 16px; padding: 14px; box-shadow: 0 18px 55px rgba(0,0,0,0.16); }
.plans h3 { margin: 0 0 10px; }
.plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 8px; }
.plan {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  display: grid;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.plan:hover { transform: translateY(-1px); background: rgba(255,255,255,.09); }
.plan.selected {
  border-color: rgba(99, 166, 255, 0.55);
  background: linear-gradient(135deg, rgba(47,113,190,.18), rgba(225,40,57,.12));
}
.plan span { color: var(--muted); }
.hint { margin: 10px 0 0; color: var(--muted); font-size: 13px; }

.panel {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 16px;
  padding: 14px;
  display: grid;
  gap: 12px;
  box-shadow: 0 18px 55px rgba(0,0,0,0.16);
}
.panel.warn {
  border-color: rgba(255, 200, 85, 0.35);
  background: linear-gradient(135deg, rgba(255, 200, 85, 0.10), rgba(255,255,255,0.04));
}
.panel h3 { margin: 0; }

.channels { display: grid; gap: 8px; }
.channels a {
  display: block;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--text);
  text-decoration: none;
  background: rgba(0,0,0,.12);
}
.channels a span { color: var(--muted); font-size: 13px; }

.seg {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
.segBtn {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.10);
  color: var(--text);
  padding: 12px 10px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.segBtn:hover { transform: translateY(-1px); background: rgba(255,255,255,.10); }
.segBtn.selected {
  border-color: rgba(124,255,196,.55);
  background: linear-gradient(135deg, rgba(124,255,196,.12), rgba(104,189,255,.10));
}

.summary {
  border: 1px dashed rgba(255,255,255,.18);
  border-radius: 14px;
  padding: 12px;
  display: grid;
  gap: 8px;
  background: rgba(0,0,0,.10);
}
.summary div { display: flex; justify-content: space-between; gap: 12px; }
.summary span { color: var(--muted); }

.actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.btn {
  appearance: none;
  border-radius: 14px;
  padding: 12px 12px;
  cursor: pointer;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-weight: 700;
}
.btn.primary {
  border-color: rgba(99,166,255,.28);
  background: linear-gradient(135deg, rgba(47,113,190,.26), rgba(225,40,57,.16));
}
.btn.ghost {
  background: rgba(255,255,255,.04);
  color: var(--muted);
}
.btn:disabled { opacity: .55; cursor: not-allowed; }

.result {
  border-top: 1px solid rgba(255,255,255,.10);
  padding-top: 12px;
  display: grid;
  gap: 10px;
}
.result h4 { margin: 0; }
.cfg {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: rgba(0,0,0,.20);
  color: var(--text);
  resize: vertical;
}

.qrImg {
  width: min(240px, 70vw);
  height: auto;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.95);
  padding: 10px;
  box-shadow: 0 18px 55px rgba(0,0,0,0.22);
  justify-self: start;
  display: none;
}
.qrImg.ready { display: block; }

.cfgList { display: grid; gap: 10px; }
.cfgItem {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  background: rgba(0,0,0,.10);
  display: grid;
  gap: 10px;
}
.cfgHead { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.cfgHead strong { font-size: 14px; }
.cfgActions { display: grid; grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: 8px; }
.miniBtn {
  appearance: none;
  border-radius: 12px;
  padding: 10px;
  cursor: pointer;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-weight: 700;
  font-size: 13px;
}
.miniBtn:hover { background: rgba(255,255,255,.10); }

.foot { color: var(--muted); text-align: center; font-size: 13px; padding: 10px 14px 8px; }
.footRow { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: center; }
.supportLink {
  pointer-events: auto;
  appearance: none;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border-radius: 999px;
  padding: 7px 10px;
  cursor: pointer;
  font-weight: 700;
  font-size: 12px;
}
.supportLink:hover { background: rgba(255,255,255,0.10); }
.footHint { margin-top: 6px; font-size: 12px; }

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(8px);
  z-index: 1000;
}
.modal[hidden] { display: none !important; }
.modalCard {
  width: min(420px, 100%);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 18px;
  background: rgba(20, 22, 30, 0.92);
  box-shadow: 0 22px 70px rgba(0,0,0,0.55);
  padding: 14px;
  display: grid;
  gap: 12px;
}
.modalHead {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}
.iconBtn {
  appearance: none;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border-radius: 12px;
  padding: 8px 10px;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
}
.iconBtn:hover { background: rgba(255,255,255,0.10); }

@media (max-width: 420px) {
  .brand { grid-template-columns: 56px 1fr; }
  .brandLogo { width: 56px; height: 56px; border-radius: 14px; }
  .tab { padding: 10px 10px; font-size: 13px; }
  .hero { padding: 14px 12px 0; }
  .tabs { margin: 0 12px; }
  .view.active { padding: 0 12px; }
}