/* YooY Navigation / Reset UX — Black/Gold */

.yai-topbar-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.yai-topbar-nav #yai-topbar-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.yai-nav-chrome-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(0, 0, 0, 0.35);
  color: #f5f5f5;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}

.yai-nav-chrome-btn:hover:not(:disabled) {
  border-color: #c9a227;
  color: #ffe8a3;
}

.yai-nav-chrome-btn:disabled,
.yai-nav-chrome-btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
}

.yai-nav-chrome-btn--reset {
  margin-left: 2px;
}

.yai-studio-nav-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.yai-studio-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: #eee;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.yai-studio-nav-btn--back {
  background: rgba(0, 0, 0, 0.4);
}

.yai-studio-nav-btn--reset:hover {
  border-color: #c9a227;
  color: #ffe8a3;
}

.yai-studio-nav-btn:focus-visible,
.yai-nav-chrome-btn:focus-visible,
.yai-nav-dialog__btn:focus-visible {
  outline: 2px solid #c9a227;
  outline-offset: 2px;
}

.yai-nav-dialog {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.yai-nav-dialog.is-open,
.yai-nav-dialog:not([hidden]) {
  display: flex;
}

.yai-nav-dialog[hidden] {
  display: none !important;
}

.yai-nav-dialog__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.62);
}

.yai-nav-dialog__panel {
  position: relative;
  z-index: 1;
  width: min(440px, 100%);
  padding: 22px 22px 18px;
  border-radius: 14px;
  border: 1px solid rgba(201, 162, 39, 0.35);
  background: #121212;
  color: #f3f3f3;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
}

.yai-nav-dialog__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
}

.yai-nav-dialog__body {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.78);
  white-space: pre-wrap;
}

.yai-nav-dialog__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.yai-nav-dialog__btn {
  height: 38px;
  padding: 0 14px;
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: #eee;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
}

.yai-nav-dialog__btn--ghost {
  background: rgba(255, 255, 255, 0.04);
}

.yai-nav-dialog__btn--gold {
  border-color: #c9a227;
  background: linear-gradient(180deg, #d4af37, #b8922a);
  color: #111;
}

.yai-nav-dialog__btn--warn {
  border-color: #c45c5c;
  background: rgba(160, 40, 40, 0.25);
  color: #ffd0d0;
}

.yai-nav-toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 10060;
  max-width: min(90vw, 420px);
  padding: 12px 16px;
  border-radius: 10px;
  background: #1a1a1a;
  border: 1px solid rgba(201, 162, 39, 0.4);
  color: #f5f5f5;
  font-size: 13px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

@media (max-width: 720px) {
  .yai-nav-chrome-btn span.yai-nav-chrome-label {
    /* keep short labels */
  }
  .yai-topbar-nav {
    gap: 6px;
  }
  .yai-nav-chrome-btn {
    padding: 0 10px;
    font-size: 12px;
  }
}