:root{
  --bg:#1a2238;
  --bg2:#2a3760;
  --panel:rgba(255,255,255,0.06);
  --panel2:rgba(255,255,255,0.10);
  --line:rgba(255,255,255,0.14);
  --text:#fff;
  --muted:#c9d2f0;
  --accent:#9aa8ff;
  --radius:16px;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  line-height: 1.7;
  background:
    radial-gradient(circle at 80% 10%, rgba(154,168,255,0.18), transparent 40%),
    linear-gradient(180deg, var(--bg2) 0%, var(--bg) 70%);
}

a{ color:inherit; text-decoration:none; }
.container{ width:min(1040px, 92vw); margin:0 auto; }

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

.header{
  position: sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(26,34,56,0.72);
  border-bottom:1px solid rgba(255,255,255,0.10);
}
.header__inner{
  display:flex;
  gap:14px;
  align-items:flex-end;
  justify-content:space-between;
  padding:16px 0;
}
.title{ margin:0; font-size:20px; letter-spacing:0.04em; }
.subtitle{ margin:6px 0 0; color:var(--muted); font-size:13px; max-width:60ch; }

.controls{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  justify-content:flex-end;
}
.search input, .select select, .copy input{
  width: min(260px, 80vw);
  padding:10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.12);
  color: var(--text);
  outline: none;
}
.select select{ width: 160px; }

.main{ padding: 22px 0 40px; display:grid; gap: 14px; }

.card{
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
.card__head h2{ margin:0 0 6px; font-size:16px; }
.card__head p{ margin:0; color:var(--muted); font-size:14px; }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid rgba(154,168,255,0.38);
  background: rgba(154,168,255,0.18);
  color: var(--text);
  font-size: 14px;
  cursor:pointer;
}
.btn:hover{ background: rgba(154,168,255,0.26); }
.btn--sub{
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.16);
}
.btn--sub:hover{ background: rgba(255,255,255,0.10); }

.row{ display:flex; gap:10px; flex-wrap:wrap; margin-top: 12px; }

/* Accordion */
.accordion{ margin-top: 12px; display:grid; gap:8px; }
.acc__btn{
  width:100%;
  text-align:left;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  padding:12px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.12);
  color: var(--text);
  cursor:pointer;
}
.acc__panel{
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255,255,255,0.04);
  color: var(--muted);
}
.acc__icon{ font-size: 18px; line-height: 1; opacity: 0.9; }

/* Modal */
.modal{
  position: fixed;
  inset: 0;
  display:none;
  place-items:center;
  z-index: 200;
}
.modal.is-open{ display:grid; }
.modal__backdrop{
  position:absolute; inset:0;
  background: rgba(0,0,0,0.55);
}
.modal__dialog{
  position: relative;
  width: min(560px, 92vw);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(26,34,56,0.94);
  padding: 16px;
}
.modal__dialog h3{ margin: 0 0 8px; }
.modal__dialog p{ margin: 0; color: var(--muted); }

/* Tabs */
.tabs{ margin-top: 12px; }
.tabs__list{
  display:flex;
  gap:8px;
  flex-wrap: wrap;
}
.tabs__tab{
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.12);
  color: var(--text);
  cursor:pointer;
}
.tabs__tab.is-active{
  border-color: rgba(154,168,255,0.6);
  background: rgba(154,168,255,0.18);
}
.tabs__panel{
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255,255,255,0.04);
  color: var(--muted);
}

/* Toast */
.toasts{
  position: fixed;
  right: 16px;
  bottom: 16px;
  display:grid;
  gap: 8px;
  z-index: 300;
}
.toast{
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(26,34,56,0.92);
  border-radius: 14px;
  padding: 10px 12px;
  color: var(--text);
  min-width: 240px;
}

/* Copy */
.copy{ margin-top: 12px; display:flex; gap:10px; flex-wrap:wrap; align-items:center; }
.hint{ color: var(--muted); font-size: 13px; }

.footer{ margin-top: 8px; color: rgba(201,210,240,0.85); }
@media (max-width: 760px){
  .header__inner{ align-items:flex-start; flex-direction:column; }
  .controls{ width:100%; justify-content:flex-start; }
  .select select{ width: min(220px, 80vw); }
}