:root{
  --bg-0:#0a0f1c;
  --bg-1:#111a2c;
  --bg-card:#151f34;
  --ink-0:#eef1f8;
  --ink-1:#9aa4bd;
  --line:#243252;

  --green:#22c55e;
  --blue:#3b82f6;
  --purple:#a855f7;
  --orange:#f97316;
}

*{box-sizing:border-box;margin:0;padding:0;}

html,body{
  height:100%;
  background:radial-gradient(1200px 600px at 50% -10%, #16234030 0%, transparent 60%), var(--bg-0);
  color:var(--ink-0);
  font-family:"Vazirmatn", sans-serif;
  -webkit-tap-highlight-color:transparent;
}

#app{max-width:520px;margin:0 auto;padding:14px 14px 40px;}

/* ---------- Topbar ---------- */
.topbar{
  display:flex;flex-direction:column;gap:14px;
  padding:6px 2px 14px;
}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:20px;}
.brand-mark{
  color:var(--blue);
  text-shadow:0 0 14px #3b82f680;
  font-size:22px;
}
.tabs{display:flex;gap:8px;background:var(--bg-1);padding:5px;border-radius:14px;border:1px solid var(--line);}
.tab-btn{
  flex:1;padding:10px 8px;border:none;border-radius:10px;background:transparent;
  color:var(--ink-1);font-family:inherit;font-weight:700;font-size:13px;cursor:pointer;
  transition:.2s;
}
.tab-btn.active{
  background:linear-gradient(135deg, var(--blue), var(--purple));
  color:#fff;
  box-shadow:0 4px 14px #3b82f640;
}

/* ---------- Hero ---------- */
.hero{padding:18px 4px 10px;}
.hero h1{font-size:22px;font-weight:800;letter-spacing:-.3px;}
.hero p{color:var(--ink-1);font-size:13.5px;margin-top:6px;}
.hero.small h1{font-size:19px;}

/* ---------- Segment (duration switch) ---------- */
.segment{display:flex;gap:8px;margin:6px 4px 16px;}
.segment-btn{
  flex:1;padding:10px;border-radius:12px;border:1px solid var(--line);
  background:var(--bg-card);color:var(--ink-1);font-family:inherit;font-weight:700;
  font-size:13.5px;cursor:pointer;transition:.2s;
}
.segment-btn.active{
  color:#fff;border-color:transparent;
  background:linear-gradient(135deg, var(--green), var(--blue));
  box-shadow:0 6px 16px #22c55e30;
}

/* ---------- Plan cards ---------- */
.plans-grid{display:flex;flex-direction:column;gap:12px;padding:0 2px;}

.plan-card{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px 16px 16px 14px;
  overflow:hidden;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease;
}
.plan-card:active{transform:scale(.98);}
.plan-card::before{
  content:"";position:absolute;top:0;bottom:0;right:0;width:6px;
  background:var(--accent);
}
.plan-card .glow{
  position:absolute;inset:0;opacity:.08;pointer-events:none;
  background:radial-gradient(220px 120px at 100% 0%, var(--accent), transparent 70%);
}

.plan-left{display:flex;flex-direction:column;gap:6px;z-index:1;}
.plan-gb{font-size:24px;font-weight:800;display:flex;align-items:baseline;gap:4px;}
.plan-gb span{font-size:13px;font-weight:600;color:var(--ink-1);}
.plan-days{font-size:12.5px;color:var(--ink-1);}

.plan-right{display:flex;flex-direction:column;align-items:left;gap:8px;z-index:1;text-align:left;}
.plan-price{font-weight:800;font-size:15px;}
.plan-price small{color:var(--ink-1);font-weight:600;font-size:11.5px;margin-right:3px;}
.buy-btn{
  border:none;border-radius:10px;padding:8px 14px;font-family:inherit;font-weight:700;font-size:12.5px;
  color:#fff;background:var(--accent);cursor:pointer;
  box-shadow:0 6px 14px -4px var(--accent);
}

/* accent color variants */
.plan-card[data-color="green"]{--accent:var(--green);}
.plan-card[data-color="blue"]{--accent:var(--blue);}
.plan-card[data-color="purple"]{--accent:var(--purple);}
.plan-card[data-color="orange"]{--accent:var(--orange);}

/* ---------- Account page ---------- */
.accounts-list{display:flex;flex-direction:column;gap:12px;}
.account-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:16px;padding:16px;
}
.account-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;}
.account-gb{font-weight:800;font-size:16px;}
.account-expiry{font-size:12px;color:var(--ink-1);}
.account-link{
  background:#0d1526;border:1px dashed var(--line);border-radius:10px;padding:10px;
  font-size:11px;color:var(--ink-1);word-break:break-all;font-family:monospace;
  direction:ltr;text-align:left;
}
.copy-btn{
  margin-top:10px;width:100%;padding:9px;border:none;border-radius:10px;
  background:linear-gradient(135deg, var(--blue), var(--purple));
  color:#fff;font-family:inherit;font-weight:700;font-size:13px;cursor:pointer;
}

.empty-state{color:var(--ink-1);text-align:center;padding:40px 10px;font-size:13.5px;}

.hidden{display:none !important;}

/* ---------- Toast ---------- */
.toast{
  position:fixed;bottom:18px;left:50%;transform:translateX(-50%);
  background:#1c2946;color:#fff;padding:10px 18px;border-radius:12px;
  font-size:13px;border:1px solid var(--line);box-shadow:0 8px 24px #00000060;
  z-index:50;
}