:host {
  --width:        480px;  /* overridden via this.style.setProperty in JS */
  --offset:       0px;
  --dur:          220ms;
  --actual-width: min(var(--width), 100vw);

  position: fixed;
  top: 0;
  right: calc(-1 * var(--actual-width));
  width: var(--actual-width);
  height: 100vh;
  background: #1e1e2e;
  border-left: 1px solid #313244;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  z-index: calc(1000 + var(--stack, 0));
  transition: right var(--dur) cubic-bezier(0.4, 0, 0.2, 1);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #cdd6f4;
}

:host([data-open]) {
  right: var(--offset);
}

@media (max-width: 600px) {
  :host {
    --actual-width: 100vw;
  }
  :host([data-open]) {
    right: 0;
  }
}

.header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid #313244;
  flex-shrink: 0;
}

.title {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  color: #cdd6f4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.close {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 5px;
  color: #6c7086;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
  flex-shrink: 0;
}

.close:hover {
  background: #313244;
  border-color: #45475a;
  color: #f38ba8;
}

.body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.body::-webkit-scrollbar       { width: 6px; }
.body::-webkit-scrollbar-track { background: transparent; }
.body::-webkit-scrollbar-thumb { background: #45475a; border-radius: 3px; }