/* ============ MLM Portal — deep gradient theme ============ */
:root {
  --bg0: #0a0618;
  --bg1: #130a2e;
  --bg2: #1d0f45;
  --ink: #ece7ff;
  --muted: #a99fd0;
  --accent: #7c5cff;
  --accent2: #35d0e0;
  --gold: #ffce6b;
  --ok: #3ddc97;
  --danger: #ff6b8a;
  --card: rgba(255, 255, 255, 0.045);
  --card-border: rgba(255, 255, 255, 0.12);
  --radius: 18px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  line-height: 1.6;
}

body {
  background:
    radial-gradient(1200px 800px at 15% -10%, #4b2d9e 0%, transparent 55%),
    radial-gradient(1100px 900px at 110% 20%, #123a4d 0%, transparent 50%),
    radial-gradient(900px 700px at 50% 120%, #3b1755 0%, transparent 55%),
    linear-gradient(160deg, var(--bg0), var(--bg1) 45%, var(--bg2));
  background-attachment: fixed;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,.5), transparent),
    radial-gradient(1px 1px at 70% 60%, rgba(255,255,255,.4), transparent),
    radial-gradient(1px 1px at 40% 80%, rgba(255,255,255,.35), transparent),
    radial-gradient(1px 1px at 90% 15%, rgba(255,255,255,.5), transparent),
    radial-gradient(1px 1px at 10% 75%, rgba(255,255,255,.4), transparent),
    radial-gradient(1px 1px at 55% 10%, rgba(255,255,255,.4), transparent);
  background-size: 160px 160px;
  animation: twinkle 14s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes twinkle {
  0%,100% { opacity: .25; }
  50% { opacity: .7; }
}

.wrap { position: relative; z-index: 1; max-width: 1180px; margin: 0 auto; padding: 0 22px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(10, 6, 24, 0.55);
  border-bottom: 1px solid var(--card-border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { font-weight: 800; font-size: 1.2rem; letter-spacing: .5px; }
.brand span { background: linear-gradient(90deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; gap: 10px; align-items: center; }
.nav-links a { color: var(--muted); text-decoration: none; padding: 8px 14px; border-radius: 12px; transition: .2s; }
.nav-links a:hover { color: var(--ink); background: rgba(255,255,255,.06); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--card-border);
  background: linear-gradient(135deg, rgba(124,92,255,.35), rgba(53,208,224,.15));
  color: var(--ink);
  padding: 10px 20px; border-radius: 14px; cursor: pointer;
  text-decoration: none; font-size: .95rem; font-weight: 600;
  transition: transform .15s, box-shadow .25s, filter .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(124,92,255,.35); filter: brightness(1.1); }
.btn-primary { background: linear-gradient(135deg, var(--accent), #9a5cff); border-color: transparent; }
.btn-ghost { background: rgba(255,255,255,.05); }
.btn-danger { background: linear-gradient(135deg, #e14a66, var(--danger)); border-color: transparent; }
.btn-sm { padding: 6px 12px; font-size: .85rem; border-radius: 10px; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ---------- Cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } .grid-2 { grid-template-columns: 1fr; } }

.stat .num { font-size: 1.8rem; font-weight: 800; background: linear-gradient(90deg, #fff, #c9b8ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .lbl { color: var(--muted); font-size: .85rem; }
.stat .sub { color: var(--gold); font-size: .8rem; }

h1, h2, h3 { font-weight: 800; letter-spacing: .3px; }
h1 { font-size: 2.4rem; margin: 10px 0; }
.muted { color: var(--muted); }
.gold { color: var(--gold); }
.hero {
  text-align: center; padding: 70px 0 50px;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.15; }
.hero .grad { background: linear-gradient(90deg, var(--accent), var(--accent2), var(--gold)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { max-width: 640px; margin: 18px auto 0; color: var(--muted); font-size: 1.05rem; }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--card-border); }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .5px; }
tr:hover td { background: rgba(255,255,255,.03); }

/* ---------- Forms ---------- */
label { display: block; font-size: .85rem; color: var(--muted); margin: 12px 0 6px; }
input, select, textarea {
  width: 100%; padding: 11px 14px; border-radius: 12px;
  border: 1px solid var(--card-border); background: rgba(0,0,0,.25);
  color: var(--ink); font-size: .95rem; outline: none;
}
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(124,92,255,.25); }
.form-row { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0; }
.tab {
  padding: 9px 16px; border-radius: 12px; cursor: pointer;
  border: 1px solid var(--card-border); color: var(--muted);
  background: rgba(255,255,255,.03); transition: .2s;
}
.tab.active { color: #fff; background: linear-gradient(135deg, var(--accent), #9a5cff); border-color: transparent; }

/* ---------- Layout ---------- */
.layout { display: grid; grid-template-columns: 230px 1fr; gap: 24px; padding: 28px 0 80px; }
.sidebar { display: flex; flex-direction: column; gap: 6px; position: sticky; top: 84px; height: fit-content; }
.side-item { padding: 12px 16px; border-radius: 14px; color: var(--muted); cursor: pointer; transition: .2s; border: 1px solid transparent; }
.side-item:hover { background: rgba(255,255,255,.05); color: var(--ink); }
.side-item.active { background: linear-gradient(135deg, rgba(124,92,255,.4), rgba(53,208,224,.12)); color: #fff; border-color: var(--card-border); }
@media (max-width: 820px) { .layout { grid-template-columns: 1fr; } .sidebar { position: static; flex-direction: row; flex-wrap: wrap; } }

.pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .75rem; }
.pill-ok { background: rgba(61,220,151,.15); color: var(--ok); }
.pill-warn { background: rgba(255,206,107,.18); color: var(--gold); }
.pill-danger { background: rgba(255,107,138,.18); color: var(--danger); }
.pill-info { background: rgba(124,92,255,.2); color: #c9b8ff; }

.alert { padding: 12px 16px; border-radius: 12px; margin: 12px 0; }
.alert-err { background: rgba(255,107,138,.15); border: 1px solid rgba(255,107,138,.4); }
.alert-ok { background: rgba(61,220,151,.12); border: 1px solid rgba(61,220,151,.4); }

/* canvas for charts */
canvas.chart { width: 100%; height: 300px; }

.spin { display: inline-block; width: 18px; height: 18px; border: 2px solid rgba(255,255,255,.3); border-top-color: #fff; border-radius: 50%; animation: r 0.8s linear infinite; }
@keyframes r { to { transform: rotate(360deg); } }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); padding: 12px 22px; border-radius: 14px; background: rgba(20,12,45,.9); border: 1px solid var(--card-border); box-shadow: var(--shadow); z-index: 60; transition: .3s; opacity: 0; pointer-events: none; }
.toast.show { opacity: 1; }

.footer { text-align: center; padding: 30px 0 60px; color: var(--muted); font-size: .85rem; }

hr { border: none; border-top: 1px solid var(--card-border); margin: 20px 0; }

.mono { font-family: ui-monospace, Consolas, monospace; font-size: .9rem; }