/*
 * Docgen UI — generation mode chips + hint (thin overlay).
 */

#o2-docgen-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin: 0.35rem 0 0.15rem;
  padding: 0 0.25rem;
  width: 100%;
  max-width: 48rem;
}

#o2-docgen-chips .o2-docgen-label {
  font-size: 0.75rem;
  color: var(--o2-grey, #7c7f82);
  margin-right: 0.15rem;
}

#o2-docgen-chips button.o2-docgen-chip {
  appearance: none;
  border: 1px solid rgba(124, 127, 130, 0.45);
  background: transparent;
  color: var(--o2-grey, #5a5e62);
  border-radius: 999px;
  padding: 0.28rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 560;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, opacity 0.15s ease, color 0.15s ease;
}

#o2-docgen-chips button.o2-docgen-chip:hover:not(:disabled) {
  background: rgba(41, 171, 214, 0.12);
  border-color: var(--o2-accent, #29abd6);
  color: var(--o2-accent-deep, #1f8fb8);
}

#o2-docgen-chips button.o2-docgen-chip--active {
  background: var(--o2-accent, #29abd6);
  color: #fff;
  border-color: var(--o2-accent, #29abd6);
  box-shadow: 0 0 0 2px rgba(41, 171, 214, 0.25);
}

#o2-docgen-chips button.o2-docgen-chip:disabled {
  opacity: 0.55;
  cursor: wait;
}

#o2-docgen-chips button.o2-docgen-clear {
  appearance: none;
  border: 1px solid rgba(124, 127, 130, 0.4);
  background: transparent;
  color: var(--o2-grey, #7c7f82);
  border-radius: 999px;
  width: 1.6rem;
  height: 1.6rem;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}

.dark #o2-docgen-chips button.o2-docgen-chip {
  background: transparent;
  color: #a8b4bc;
  border-color: rgba(168, 180, 188, 0.35);
}

.dark #o2-docgen-chips button.o2-docgen-chip:hover:not(:disabled) {
  background: rgba(41, 171, 214, 0.15);
  color: #c5eaf3;
  border-color: rgba(143, 214, 232, 0.55);
}

.dark #o2-docgen-chips button.o2-docgen-chip--active {
  background: var(--o2-accent, #29abd6);
  color: #0f2a3a;
  border-color: var(--o2-accent, #29abd6);
  box-shadow: 0 0 0 2px rgba(143, 214, 232, 0.35);
}

#o2-docgen-hint {
  font-size: 0.75rem;
  color: var(--o2-accent-deep, #1f8fb8);
  margin: 0 0.25rem 0.35rem;
  max-width: 48rem;
  line-height: 1.35;
}

.dark #o2-docgen-hint {
  color: #8fd6e8;
}

html.o2-docgen-mode #send-button {
  box-shadow: 0 0 0 2px rgba(41, 171, 214, 0.55);
}

.o2-docgen-welcome {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
  margin: 0.75rem 0 0;
}

.o2-docgen-welcome-note {
  width: 100%;
  text-align: center;
  font-size: 0.8rem;
  color: var(--o2-grey, #7c7f82);
  margin: 0 0 0.25rem;
}

.o2-docgen-welcome-btn {
  appearance: none;
  border: 1px solid rgba(41, 171, 214, 0.5);
  background: rgba(41, 171, 214, 0.12);
  color: var(--o2-accent-deep, #1f8fb8);
  border-radius: 999px;
  padding: 0.45rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

#o2-docgen-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(15, 42, 58, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

#o2-docgen-modal {
  background: #fff;
  color: #0f2a3a;
  border-radius: 12px;
  max-width: 28rem;
  width: 100%;
  padding: 1.25rem 1.35rem;
  box-shadow: 0 18px 48px rgba(15, 42, 58, 0.28);
  font-family: inherit;
}

.dark #o2-docgen-modal {
  background: #163849;
  color: #e8f1f5;
}

#o2-docgen-modal h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 650;
}

#o2-docgen-modal p {
  margin: 0.35rem 0;
  font-size: 0.9rem;
  line-height: 1.45;
}

#o2-docgen-modal .o2-docgen-meta {
  font-size: 0.78rem;
  color: var(--o2-grey, #7c7f82);
}

#o2-docgen-modal .o2-docgen-actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

#o2-docgen-modal a.o2-docgen-download,
#o2-docgen-modal button.o2-docgen-download,
#o2-docgen-modal button.o2-docgen-close {
  appearance: none;
  border-radius: 8px;
  padding: 0.45rem 0.9rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
}

#o2-docgen-modal a.o2-docgen-download,
#o2-docgen-modal button.o2-docgen-download {
  background: var(--o2-accent, #29abd6);
  color: #fff;
}

#o2-docgen-modal button.o2-docgen-close {
  background: transparent;
  border: 1px solid rgba(124, 127, 130, 0.45);
  color: inherit;
}

#o2-docgen-modal .o2-docgen-error {
  color: #b42318;
}

.dark #o2-docgen-modal .o2-docgen-error {
  color: #f97066;
}

/* Hide MCP picker when role has no MCP (chips set html.o2-mcp-hidden) */
html.o2-mcp-hidden button[data-o2-mcp-hidden='1'] {
  display: none !important;
}

/* Recent documents list inside result modal */
.o2-docgen-recent {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  opacity: 0.9;
}
.o2-docgen-recent-title {
  font-weight: 600;
  margin-bottom: 6px;
}
.o2-docgen-recent ul {
  margin: 0;
  padding-left: 18px;
}
.o2-docgen-recent a {
  color: #7eb8ff;
  text-decoration: none;
}
.o2-docgen-recent a:hover {
  text-decoration: underline;
}

/* Brand selector — forced contrast (native <select> ignores theme color) */
#o2-docgen-chips select.o2-docgen-brand {
  appearance: auto;
  border: 1px solid rgba(41, 171, 214, 0.55);
  background-color: #ffffff !important;
  color: #1a2330 !important;
  border-radius: 999px;
  padding: 0.22rem 0.6rem;
  font-size: 0.78rem;
  max-width: 11rem;
  cursor: pointer;
  color-scheme: light;
}

#o2-docgen-chips select.o2-docgen-brand option {
  background-color: #ffffff;
  color: #1a2330;
}

.dark #o2-docgen-chips select.o2-docgen-brand {
  background-color: #1a2330 !important;
  border-color: rgba(143, 214, 232, 0.55);
  color: #f0f6f9 !important;
  color-scheme: dark;
}

.dark #o2-docgen-chips select.o2-docgen-brand option {
  background-color: #1a2330;
  color: #f0f6f9;
}

/* Stale UI banner — non-blocking */
#o2-docgen-stale {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100000;
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  padding: 0.55rem 1rem;
  background: #7a2e0e;
  color: #fff;
  font-size: 0.85rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

#o2-docgen-stale button {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border-radius: 6px;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}