/* ── LAYOUT ──
   Sidebar, topbar, panels and footer — the page frame.
*/

.sidebar {
  position:sticky;
  top:0;
  z-index:40;
  width:var(--side-w);
  flex-shrink:0;
  height:100dvh;
  overflow-y:auto;
  background:var(--sidebar);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  padding:22px 16px 24px;
  scrollbar-width:thin;
  scrollbar-color:#2c2f3a transparent
}
.wordmark {
  display:flex;
  align-items:center;
  gap:11px;
  font-size:17px;
  font-weight:700;
  letter-spacing:0.14em;
  color:var(--text);
  text-decoration:none;
  padding:6px 10px 22px;
  white-space:nowrap
}
.mark {
  width:26px;
  height:26px;
  border-radius:8px;
  background:linear-gradient(135deg,var(--green) 0%,#00a3ff 100%);
  flex-shrink:0;
  transition:transform 0.4s var(--ease)
}
.wordmark:hover .mark {
  transform:rotate(45deg)
}
.side-heading {
  font-size:11px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--dim);
  padding:0 12px 12px;
  font-weight:500
}
.tabs-nav {
  display:flex;
  flex-direction:column;
  gap:3px
}
.tab-btn {
  display:flex;
  align-items:center;
  gap:13px;
  font-family:var(--font);
  font-size:15px;
  font-weight:400;
  color:var(--muted);
  background:none;
  border:none;
  border-radius:8px;
  padding:10px 12px;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
  transition:background 0.18s var(--ease),color 0.18s var(--ease)
}
.tab-btn:hover {
  color:var(--text);
  background:rgba(255,255,255,0.04)
}
.tab-btn.active {
  color:#fff;
  background:rgba(255,255,255,0.055);
  box-shadow:inset 3px 0 0 var(--green)
}
.ico {
  width:32px;
  height:32px;
  border-radius:9px;
  display:grid;
  place-items:center;
  flex-shrink:0
}
.ico svg {
  width:16px;
  height:16px;
  fill:none;
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round
}
.ico-green {
  background:rgba(0,210,91,0.15)
}
.ico-green svg {
  stroke:var(--green)
}
.ico-blue {
  background:rgba(0,144,231,0.15)
}
.ico-blue svg {
  stroke:var(--blue)
}
.ico-purple {
  background:rgba(143,95,232,0.16)
}
.ico-purple svg {
  stroke:var(--purple)
}
.ico-orange {
  background:rgba(255,171,0,0.15)
}
.ico-orange svg {
  stroke:var(--orange)
}
.ico-pink {
  background:rgba(229,71,127,0.16)
}
.ico-pink svg {
  stroke:var(--pink)
}
.main {
  flex:1;
  min-width:0;
  min-height:100dvh;
  display:flex;
  flex-direction:column
}
.topbar {
  position:sticky;
  top:0;
  z-index:30;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:12px;
  padding:14px 28px;
  background:rgba(12,13,18,0.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)
}
.tab-panel {
  flex:1;
  display:none;
  min-height:0;
  flex-direction:column
}
.tab-panel.active {
  display:flex
}
.footer {
  border-top:1px solid var(--line);
  margin-top:auto;
  padding:18px 28px
}
.footer-copy {
  font-size:13px;
  color:var(--dim)
}
.banner {
  display:none;
  position:fixed;
  left:50%;
  bottom:24px;
  transform:translateX(-50%);
  z-index:200;
  align-items:center;
  gap:10px;
  max-width:min(560px,calc(100vw - 32px));
  background:var(--card);
  border:1px solid rgba(0,210,91,0.35);
  color:var(--text);
  font-size:14px;
  line-height:1.5;
  text-align:left;
  padding:14px 14px 14px 18px;
  border-radius:10px;
  box-shadow:0 24px 60px -20px rgba(0,0,0,0.9)
}
.banner.show {
  display:flex;
  animation:toast 0.4s var(--ease) both
}
.banner button {
  background:none;
  border:none;
  color:var(--dim);
  font-size:18px;
  cursor:pointer;
  line-height:1;
  padding:4px 6px;
  border-radius:5px;
  flex-shrink:0;
  transition:color 0.15s var(--ease)
}
.banner button:hover {
  color:var(--text)
}