/* Octo Code — component classes. Consumed by the React primitives and usable directly. */

/* ---------- Buttons ---------- */
.oc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 32px; padding: 0 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-body); font-size: var(--text-sm); font-weight: var(--weight-medium);
  line-height: 1; white-space: nowrap;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}
.oc-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.oc-btn--small { height: 28px; padding: 0 12px; font-size: var(--text-xs); }
.oc-btn--primary { background: var(--color-success-emphasis); color: #FFFFFF; }
.oc-btn--primary:hover:not(:disabled) { background: var(--color-success-emphasis-hover); }
.oc-btn--outline { background: transparent; border-color: var(--color-border); color: var(--color-text-soft); }
.oc-btn--outline:hover:not(:disabled) { background: var(--color-bg-modal); border-color: var(--color-border-hover); }
.oc-btn--danger { background: transparent; border-color: var(--color-border); color: var(--color-error); }
.oc-btn--danger:hover:not(:disabled) { background: var(--color-error-emphasis); border-color: var(--color-error-emphasis); color: #FFFFFF; }
.oc-btn--invisible { background: transparent; color: var(--color-link); }
.oc-btn--invisible:hover:not(:disabled) { background: rgba(177, 186, 196, 0.12); }

/* ---------- Icons ---------- */
.oc-icon { display: inline-flex; align-items: center; justify-content: center; flex: none; }
.oc-icon svg { display: block; }

/* ---------- Form fields ---------- */
.oc-field { display: flex; flex-direction: column; gap: 6px; }
.oc-field-label { font-size: var(--text-sm); font-weight: var(--weight-semibold); color: var(--color-text); }
.oc-field-hint { font-size: var(--text-xs); color: var(--color-text-secondary); }

.oc-input {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  font-family: var(--font-body); font-size: var(--text-sm);
  color: var(--color-text);
  width: 100%;
  transition: border-color 120ms ease;
}
.oc-input::placeholder { color: var(--color-placeholder); }
.oc-input:focus { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.oc-input--mono { font-family: var(--font-code); }
.oc-input--invalid { border-color: var(--color-error); }

/* ---------- Search ---------- */
.oc-search {
  display: flex; align-items: center; gap: 8px;
  height: 32px; padding: 0 12px; min-width: 240px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: border-color 120ms ease;
}
.oc-search:focus-within { border-color: var(--color-accent); }
.oc-search input {
  flex: 1; min-width: 0; background: none; border: none; outline: none;
  color: var(--color-text); font-family: var(--font-body); font-size: var(--text-sm);
}
.oc-kbd {
  font-family: var(--font-code); font-size: 11px; line-height: 1;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-surface);
  padding: 3px 6px;
}

/* ---------- Checkbox ---------- */
.oc-checkbox {
  appearance: none; -webkit-appearance: none;
  width: 16px; height: 16px; margin: 0; flex: none;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: inline-grid; place-content: center;
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease;
}
.oc-checkbox:checked { background: var(--color-accent); border-color: var(--color-accent); }
.oc-checkbox:checked::after {
  content: ""; width: 8px; height: 4px; margin-top: -2px;
  border-left: 2px solid #fff; border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}
.oc-checkbox:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.oc-checkbox-row { display: flex; align-items: flex-start; gap: 8px; cursor: pointer; font-size: var(--text-sm); }
.oc-checkbox-row .oc-checkbox { margin-top: 2px; }

/* ---------- Cards ---------- */
.oc-card {
  background: var(--surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  transition: border-color 120ms ease;
}
.oc-card--interactive:hover { border-color: var(--color-border-hover); }

/* ---------- Chips ---------- */
.oc-chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 24px; padding: 0 12px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs); font-weight: var(--weight-medium); line-height: 1;
  white-space: nowrap;
}
.oc-chip--label {
  background: color-mix(in srgb, var(--chip-color, var(--color-accent)) 30%, transparent);
  color: var(--chip-color, var(--color-accent));
}
.oc-chip--topic { background: var(--color-bg-overlay); color: var(--color-link); cursor: pointer; transition: background-color 120ms ease, color 120ms ease; }
.oc-chip--topic:hover { background: var(--color-accent); color: #FFFFFF; }

/* ---------- Badges & counters ---------- */
.oc-badge {
  display: inline-flex; align-items: center; gap: 6px;
  height: 24px; padding: 0 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs); font-weight: var(--weight-medium); line-height: 1;
  border: 1px solid transparent;
}
.oc-badge--success { background: var(--color-success-emphasis); color: #FFFFFF; }
.oc-badge--danger { background: var(--color-error-emphasis); color: #FFFFFF; }
.oc-badge--accent { background: var(--color-accent); color: #FFFFFF; }
.oc-badge--warning { background: color-mix(in srgb, var(--color-warning) 20%, transparent); color: var(--color-warning); }
.oc-badge--neutral { background: var(--color-bg-modal); color: var(--color-text-soft); }

.oc-counter {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 20px; height: 20px; padding: 0 6px;
  border-radius: var(--radius-full);
  background: rgba(110, 118, 129, 0.4);
  font-size: var(--text-xs); font-weight: var(--weight-medium); line-height: 1;
  color: var(--color-text);
}

.oc-status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: none; }
.oc-lang-dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; flex: none; background: var(--dot-color, var(--color-accent)); }

/* ---------- Avatar ---------- */
.oc-avatar {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--color-bg-modal);
  color: #FFFFFF; font-weight: var(--weight-semibold);
  flex: none; overflow: hidden; user-select: none;
}
.oc-avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Tabs ---------- */
.oc-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--color-border); }
.oc-tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 12px; margin-bottom: -1px;
  background: none; border: none; border-bottom: 2px solid transparent;
  font-family: var(--font-body); font-size: var(--text-sm);
  color: var(--color-text-secondary); cursor: pointer;
  transition: color 120ms ease;
}
.oc-tab:hover { color: var(--color-text); }
.oc-tab--active { color: var(--color-text); font-weight: var(--weight-medium); border-bottom-color: var(--color-accent-orange); }

/* ---------- Lists ---------- */
.oc-list { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.oc-list-row {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 16px; width: 100%; text-align: left;
  background: transparent; border: none; border-bottom: 1px solid var(--color-border);
  font-family: var(--font-body); font-size: var(--text-sm); color: var(--color-text);
  cursor: pointer;
  transition: background-color 120ms ease;
}
.oc-list > .oc-list-row:last-child { border-bottom: none; }
.oc-list-row:hover { background: var(--color-surface); }
.oc-list-row--selected { background: var(--color-surface); box-shadow: inset 2px 0 0 var(--color-accent-orange); }

/* ---------- Top navigation ---------- */
.oc-topnav {
  display: flex; align-items: center; gap: 16px;
  height: 64px; padding: 0 24px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-subtle);
}
.oc-topnav-brand {
  display: flex; align-items: center; gap: 10px;
  font-size: var(--text-md); font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-display); color: var(--color-text);
}
.oc-topnav-item {
  padding: 6px 8px; border-radius: var(--radius-md);
  font-size: var(--text-sm); color: var(--color-text);
  background: none; border: none; cursor: pointer; font-family: var(--font-body);
  transition: background-color 120ms ease;
}
.oc-topnav-item:hover { background: rgba(177, 186, 196, 0.12); text-decoration: none; }

/* ---------- Tooltip ---------- */
.oc-tooltip { position: relative; display: inline-flex; }
.oc-tooltip-bubble {
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  background: var(--color-bg-modal); color: var(--color-text-soft);
  border-radius: var(--radius-md); padding: 6px 10px;
  font-size: var(--text-xs); line-height: 1.4; max-width: 250px; width: max-content;
  opacity: 0; pointer-events: none; z-index: 40;
  transition: opacity 100ms ease; transition-delay: 0ms;
}
.oc-tooltip-bubble::after {
  content: ""; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 5px solid transparent; border-top-color: var(--color-bg-modal);
}
.oc-tooltip:hover .oc-tooltip-bubble,
.oc-tooltip:focus-within .oc-tooltip-bubble { opacity: 1; transition-delay: 200ms; }
.oc-tooltip-bubble--bottom { bottom: auto; top: calc(100% + 8px); }
.oc-tooltip-bubble--bottom::after { top: auto; bottom: 100%; border-top-color: transparent; border-bottom-color: var(--color-bg-modal); }

/* ---------- Code blocks ---------- */
.oc-codeblock {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-family: var(--font-code); font-size: 12px; line-height: var(--leading-code);
}
.oc-codeblock-title {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
}
.oc-codeblock pre { margin: 0; padding: 12px 0; overflow-x: auto; }
.oc-code-line { display: flex; padding: 0 16px; white-space: pre; }
.oc-code-ln { width: 40px; flex: none; text-align: right; padding-right: 16px; color: var(--color-placeholder); user-select: none; }
.oc-code-line--add { background: var(--diff-add-bg); }
.oc-code-line--del { background: var(--diff-del-bg); }
.oc-code-line--add .oc-code-ln { color: var(--color-success); }
.oc-code-line--del .oc-code-ln { color: var(--color-error); }