:root {
  --bg0: #0f1c17;
  --bg1: #1a3228;
  --ink: #f3f7f4;
  --muted: #b7c7be;
  --accent: #c6a15b;
  --danger: #e07a5f;
  --card: rgba(255,255,255,0.06);
  --line: rgba(255,255,255,0.12);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 20% -10%, #2d5a45 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 20%, #3a4d2e 0%, transparent 50%),
    linear-gradient(160deg, var(--bg0), var(--bg1));
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
}
.top .brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--accent);
  text-decoration: none;
}
.top .brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.55rem;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.28);
}
.top nav a {
  color: var(--muted);
  margin-left: 1rem;
  text-decoration: none;
  font-size: 0.9rem;
}

.shell {
  flex: 1;
  width: min(960px, 100%);
  margin: 0 auto;
  padding: 1rem 1.5rem 3rem;
}
.shell.wide { max-width: 960px; }

h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); margin: 0 0 0.5rem; font-weight: 600; }
.lede, .muted { color: var(--muted); }
.err { color: var(--danger); margin-top: 0.75rem; }
.ok { color: #8fce8f; margin-top: 0.75rem; }

.tabs {
  display: flex;
  gap: 0.5rem;
  margin: 1.5rem 0 1rem;
}
.tabs button {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 0.55rem 1rem;
  border-radius: 0.4rem;
  cursor: pointer;
}
.tabs button.active {
  background: var(--accent);
  color: #1a1408;
  border-color: var(--accent);
  font-weight: 600;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.75rem 0 0.35rem;
}
input, select {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: 0.4rem;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.25);
  color: var(--ink);
}
.btn {
  display: inline-block;
  margin-top: 1rem;
  background: var(--accent);
  color: #1a1408;
  border: 0;
  font-weight: 600;
  padding: 0.75rem 1.1rem;
  border-radius: 0.4rem;
  cursor: pointer;
}
.btn.secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
}
.plan {
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  padding: 1rem;
}
.plan.current { border-color: var(--accent); }
.plan h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.price { color: var(--accent); font-weight: 600; margin-bottom: 0.5rem; }
.chip {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  margin: 0.15rem 0.15rem 0 0;
  color: var(--muted);
}
.row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}
.row.tight { justify-content: flex-start; margin-top: 0.5rem; }

.divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.25rem 0 0.75rem;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.divider::before, .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.alt-auth .tiny { font-size: 0.8rem; margin: 0.35rem 0 0; }
.google-btn-wrap { margin-top: 0.5rem; min-height: 40px; }
.phone-auth .btn { margin-top: 0.75rem; }

footer {
  padding: 1.25rem 1.5rem 2rem;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}