/**
 * Waka shared primitives (vanilla CSS).
 * Requires tokens.css loaded first (`--waka-*` variables).
 */
.btn {
  appearance: none;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  background: var(--waka-accent);
  color: var(--waka-accent-text);
  font-weight: 600;
  line-height: 1.25;
  transition: transform 160ms var(--waka-ease), filter 160ms var(--waka-ease), background 160ms var(--waka-ease);
}

.btn:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-ghost {
  background: transparent;
  border-color: var(--waka-border-strong);
  color: var(--waka-text);
}

.btn-danger {
  background: var(--waka-danger);
  color: var(--waka-danger-text);
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  line-height: 1.2;
}

.btn-ico {
  display: block;
  flex-shrink: 0;
  margin-right: 0.4rem;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  border-radius: 12px;
  line-height: 0;
}

.btn-icon.btn {
  border-radius: 12px;
}

.btn-icon .btn-ico,
.btn-icon svg {
  margin: 0;
  display: block;
}

/* Sidebar nav divider between app pages and external products */
.nav-divider {
  height: 1px;
  margin: 0.55rem 0.35rem;
  border: 0;
  background: var(--waka-border);
  flex: 0 0 auto;
  list-style: none;
  pointer-events: none;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
}

.nav-item > a,
.nav-item > .nav-link {
  flex: 1;
  min-width: 0;
}

.nav-unbind {
  width: 32px;
  height: 32px;
  padding: 0;
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--waka-text-muted);
  cursor: pointer;
}

.nav-unbind:hover {
  color: var(--waka-danger);
  border-color: color-mix(in srgb, var(--waka-danger) 35%, var(--waka-border));
  background: var(--waka-danger-dim);
}

/* Profile chip — header / mobile */
.profile-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.2rem 0.55rem 0.2rem 0.2rem;
  border-radius: 999px;
  border: 1px solid var(--waka-border);
  background: transparent;
  color: var(--waka-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  transition: border-color 160ms var(--waka-ease), background 160ms var(--waka-ease);
}

.profile-btn:hover {
  border-color: color-mix(in srgb, var(--waka-accent) 45%, transparent);
  background: var(--waka-accent-dim);
  text-decoration: none;
  color: var(--waka-text);
}

.profile-btn-icon {
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 12px;
  justify-content: center;
}

.panel {
  background: var(--waka-panel);
  border: 1px solid var(--waka-border);
  border-radius: var(--waka-radius);
  padding: 1.1rem 1.2rem;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.muted {
  color: var(--waka-text-muted);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: var(--waka-bg-muted);
  color: var(--waka-text-muted);
  font-size: 0.8rem;
}

.chip.ok {
  background: var(--waka-accent-dim);
  color: var(--waka-accent);
}

.chip.warn {
  background: var(--waka-warning-dim);
  color: var(--waka-warning);
}

.chip.danger {
  background: var(--waka-danger-dim);
  color: var(--waka-danger);
}

.page-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 0.35rem;
}

.page-sub {
  color: var(--waka-text-muted);
  margin-bottom: 1.75rem;
  max-width: 48ch;
  line-height: 1.5;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
  min-width: min(180px, 100%);
}

.field label {
  font-size: 0.78rem;
  color: var(--waka-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.field input,
.field textarea,
.field select {
  background: var(--waka-bg-muted);
  border: 1px solid var(--waka-border);
  border-radius: var(--waka-radius-sm);
  padding: 0.65rem 0.8rem;
  outline: none;
}

.field select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2.35rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%238B9AAB' d='M7.41 8.58L12 13.17l4.59-4.59L18 10l-6 6l-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1.15rem;
  cursor: pointer;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: color-mix(in srgb, var(--waka-accent) 55%, transparent);
  box-shadow: 0 0 0 3px var(--waka-accent-dim);
}

/* Input / select with leading or trailing icon inside the control */
.field-with-icon {
  position: relative;
}

.field-with-icon > input,
.field-with-icon > select {
  width: 100%;
}

.field-with-icon .field-icon {
  position: absolute;
  left: 0.7rem;
  bottom: 0.72rem;
  display: inline-flex;
  color: var(--waka-text-muted);
  pointer-events: none;
  line-height: 0;
}

.field-with-icon > input,
.field-with-icon > select {
  padding-left: 2.35rem;
}

.field-with-icon.field-icon-end .field-icon {
  left: auto;
  right: 0.7rem;
}

.field-with-icon.field-icon-end > input {
  padding-left: 0.8rem;
  padding-right: 2.35rem;
}

.field-with-icon.field-icon-end > select {
  padding-left: 0.8rem;
  padding-right: 2.85rem;
}

/* Select row: icon left of selected text (outside native chevron) */
.field-select-leading {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.45rem;
  background: var(--waka-bg-muted);
  border: 1px solid var(--waka-border);
  border-radius: var(--waka-radius-sm);
  padding-left: 0.65rem;
  min-height: 2.6rem;
}

.field-select-leading:focus-within {
  border-color: color-mix(in srgb, var(--waka-accent) 55%, transparent);
  box-shadow: 0 0 0 3px var(--waka-accent-dim);
}

.field-select-leading .field-icon {
  display: inline-flex;
  color: var(--waka-text-muted);
  line-height: 0;
}

.field-select-leading select {
  border: 0;
  background-color: transparent;
  box-shadow: none;
  padding-left: 0;
  min-width: 0;
  width: 100%;
}

.field-inline {
  display: flex;
  align-items: flex-end;
  gap: 0.45rem;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.field-inline > .field {
  flex: 1;
  min-width: 0;
}

.field-inline > .btn,
.field-inline > button {
  flex: 0 0 auto;
  align-self: flex-end;
  white-space: nowrap;
  padding: 0.55rem 0.85rem;
  font-size: 0.88rem;
  line-height: 1.25;
  min-height: 2.55rem;
  max-width: 9rem;
}

.field-inline > .btn.btn-icon,
.field-inline > button.btn-icon {
  width: 2.55rem;
  min-width: 2.55rem;
  max-width: 2.55rem;
  padding: 0;
}

.dim {
  color: var(--waka-text-dim);
}

.danger-text {
  color: var(--waka-danger);
}

/* Theme controls — shared by WakaHouse, SSO, Notify (vanilla) */
.theme-toggle {
  width: 42px;
  height: 42px;
  border: 1px solid var(--waka-border);
  border-radius: 10px;
  background: transparent;
  color: var(--waka-text-muted);
  display: grid;
  place-items: center;
  padding: 0;
  cursor: pointer;
  flex: 0 0 auto;
  transition: border-color 160ms var(--waka-ease), color 160ms var(--waka-ease), background 160ms var(--waka-ease);
}

.theme-toggle:hover {
  color: var(--waka-text);
  border-color: color-mix(in srgb, var(--waka-accent) 45%, transparent);
  background: var(--waka-accent-dim);
}

.theme-toggle .ico-light,
.theme-toggle .ico-dark,
.theme-toggle .ico-system,
.theme-toggle .ico {
  display: none;
}

.theme-toggle[data-mode="light"] .ico-light,
.theme-toggle[data-mode="dark"] .ico-dark,
.theme-toggle[data-mode="system"] .ico-system,
.theme-toggle:not([data-mode]) .ico-system {
  display: block;
}

.theme-switch {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.25rem;
  padding: 0.25rem;
  border: 1px solid var(--waka-border);
  border-radius: 12px;
  background: var(--waka-bg-muted);
}

.theme-switch button {
  appearance: none;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--waka-text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 0.45rem 0.25rem;
  font-size: 0.65rem;
  line-height: 1.1;
  cursor: pointer;
  transition: background 160ms var(--waka-ease), color 160ms var(--waka-ease);
}

.theme-switch button:hover {
  color: var(--waka-text);
  background: color-mix(in srgb, var(--waka-bg-hover) 80%, transparent);
}

.theme-switch button.active {
  background: var(--waka-panel-solid);
  color: var(--waka-accent);
  box-shadow: 0 1px 3px color-mix(in srgb, var(--waka-text) 12%, transparent);
}

.theme-switch-label {
  letter-spacing: 0.01em;
}