/*
  Dashboard components — reusable UI primitives
*/

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--dash-font-label, var(--dash-font-ui));
  font-weight: 400;
  font-size: var(--dash-text-ui-label, 14pt);
  text-decoration: none;
  cursor: pointer;
  background: transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  background: var(--dash-disabled-bg);
  color: var(--dash-disabled-text);
  border-color: var(--dash-border);
  cursor: not-allowed;
}

.btn--primary {
  background: var(--dash-primary);
  color: var(--dash-on-dark);
}

.btn--primary:hover:not(:disabled) {
  background: var(--dash-primary-hover);
  color: var(--dash-on-dark);
}

.btn--secondary {
  background: var(--dash-surface);
  color: var(--dash-primary);
  border-color: var(--dash-primary);
}

.btn--secondary:hover:not(:disabled) {
  background: var(--dash-info-bg);
}

.btn--ghost {
  background: transparent;
  color: var(--dash-ink);
  border-color: var(--dash-border);
}

.btn--ghost:hover:not(:disabled) {
  background: var(--dash-hover);
}

.btn--tertiary {
  min-height: 36px;
  padding: 0 var(--space-2);
  color: var(--dash-muted);
  font-weight: 500;
  border: 0;
  background: transparent;
}

.btn--tertiary:hover:not(:disabled) {
  color: var(--dash-primary);
}

.btn--icon {
  width: 44px;
  padding: 0;
}

.btn--sm {
  min-height: 36px;
  padding: 0 var(--space-3);
  font-size: var(--dash-text-xs);
}

.btn--full {
  width: 100%;
}

.btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ---- Forms ---- */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field__label {
  font-size: var(--dash-text-xs);
  font-weight: 600;
}

.form-field__hint,
.form-field__error {
  font-size: var(--dash-text-xs);
  color: var(--dash-muted);
}

.form-field__error {
  color: var(--dash-critical);
}

.input,
.select,
.textarea {
  width: 100%;
  min-height: 44px;
  padding: 0 var(--space-3);
  border: 1px solid var(--dash-border);
  border-radius: var(--radius-sm);
  background: var(--dash-surface);
}

.textarea {
  min-height: 6rem;
  padding: var(--space-3);
  resize: vertical;
}

.input:hover,
.select:hover,
.textarea:hover {
  border-color: var(--brand-grey);
}

.input:focus-visible,
.select:focus-visible,
.textarea:focus-visible {
  border-color: var(--dash-primary);
}

.input[aria-invalid="true"],
.select[aria-invalid="true"],
.textarea[aria-invalid="true"] {
  border-color: var(--dash-critical);
}

.input-group {
  display: flex;
  gap: var(--space-2);
  align-items: stretch;
}

.input-group .input {
  flex: 1;
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  min-height: 1.5rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-family: var(--dash-font-label, var(--dash-font-ui));
  font-size: var(--dash-text-ui-label, 14pt);
  font-weight: 400;
  line-height: 1.2;
  border: 1px solid transparent;
  white-space: nowrap;
}

.badge--healthy,
.badge--success,
.badge--passed,
.badge--hold {
  background: var(--dash-success-bg);
  color: var(--dash-success);
  border-color: #b7e4c7;
}

.badge--stressed,
.badge--warning,
.badge--monitor {
  background: var(--dash-warning-bg);
  color: var(--dash-warning);
  border-color: #f0d2a8;
}

.badge--critical,
.badge--failed,
.badge--sell {
  background: var(--dash-critical-bg);
  color: var(--dash-critical);
  border-color: #f0b8b5;
}

.badge--pending,
.badge--info {
  background: var(--dash-info-bg);
  color: var(--dash-info);
  border-color: #c5d0eb;
}

.badge--pending {
  background: var(--dash-pending-bg);
  color: var(--dash-pending-text);
  border-color: #e8d98a;
}

.badge--neutral {
  background: var(--dash-hover);
  color: var(--dash-muted);
  border-color: var(--dash-border);
}

/* ---- Alerts ---- */
.alert {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--dash-border);
  background: var(--dash-surface);
  font-size: var(--dash-text-sm);
}

.alert--info {
  background: var(--dash-info-bg);
  border-color: #c5d0eb;
}

.alert--success {
  background: var(--dash-success-bg);
  border-color: #b7e4c7;
}

.alert--warning {
  background: var(--dash-warning-bg);
  border-color: #f0d2a8;
}

.alert--critical {
  background: var(--dash-critical-bg);
  border-color: #f0b8b5;
}

.alert__title {
  font-weight: 600;
  margin-bottom: var(--space-1);
}

/* ---- Tabs ---- */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  border-bottom: 1px solid var(--dash-border);
}

.tabs__btn {
  min-height: 44px;
  padding: 0 var(--space-4);
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--dash-muted);
  font-weight: 600;
  cursor: pointer;
  margin-bottom: -1px;
}

.tabs__btn:hover {
  color: var(--dash-ink);
}

.tabs__btn[aria-selected="true"] {
  color: var(--dash-primary);
  border-bottom-color: var(--dash-primary);
}

/* ---- Cards ---- */
.card {
  background: var(--dash-surface);
  border: 1px solid var(--dash-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  box-shadow: var(--shadow-1);
}

.card__title {
  margin: 0 0 var(--space-2);
  font-size: var(--dash-text-base);
  font-weight: 600;
}

.card__meta {
  color: var(--dash-muted);
  font-size: var(--dash-text-xs);
}

/* ---- Tables ---- */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--dash-border);
  border-radius: var(--radius-md);
  background: var(--dash-surface);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--dash-text-xs);
}

.table th,
.table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--dash-border);
  vertical-align: middle;
}

.table th {
  font-weight: 600;
  background: var(--dash-hover);
  white-space: nowrap;
}

.table tbody tr:hover {
  background: var(--dash-hover);
}

.table tbody tr:last-child td {
  border-bottom: 0;
}

.table caption {
  caption-side: bottom;
  padding: var(--space-2) var(--space-4);
  color: var(--dash-muted);
  text-align: left;
  font-size: var(--dash-text-xs);
}

/* ---- Pagination ---- */
.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.pagination__status {
  font-size: var(--dash-text-xs);
  color: var(--dash-muted);
  margin-right: auto;
}

/* ---- Dropdown ---- */
.dropdown {
  position: relative;
}

.dropdown__menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  z-index: var(--z-drawer);
  min-width: 14rem;
  margin: 0;
  padding: var(--space-2);
  list-style: none;
  background: var(--dash-surface);
  border: 1px solid var(--dash-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
}

.dropdown__menu[hidden] {
  display: none;
}

.dropdown__item {
  display: block;
  width: 100%;
  text-align: left;
  min-height: 40px;
  padding: var(--space-2) var(--space-3);
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  font-size: var(--dash-text-sm);
}

.dropdown__item:hover,
.dropdown__item:focus-visible {
  background: var(--dash-hover);
}

.dropdown__item[aria-current="true"] {
  background: var(--dash-info-bg);
  color: var(--dash-primary);
  font-weight: 600;
}

.dropdown__item--footer {
  margin-top: var(--space-1);
  border-top: 1px solid var(--dash-border);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  color: var(--dash-primary);
  font-weight: 600;
  text-decoration: none;
}

/* ---- User avatar / account menu ---- */
.user-avatar {
  border-radius: 50%;
  background: var(--dash-primary, #002fa7);
  color: #fff;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
}

.user-avatar [data-user-initials] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ---- Notifications panel ---- */
.dropdown--notif {
  position: relative;
  display: inline-flex;
}

.notif-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: var(--z-drawer);
  width: min(22rem, 90vw);
  max-height: 24rem;
  display: flex;
  flex-direction: column;
  padding: 0;
  background: var(--dash-surface);
  border: 1px solid var(--dash-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.notif-panel[hidden] {
  display: none;
}

.notif-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--dash-border);
}

.notif-panel__list {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.notif-panel__empty {
  margin: 0;
  padding: var(--space-3);
  color: var(--dash-muted);
  font-size: var(--dash-text-sm);
}

.notif-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  font-size: var(--dash-text-sm);
}

.notif-item:hover,
.notif-item:focus-visible {
  background: var(--dash-hover);
}

.notif-item--unread {
  background: var(--dash-info-bg);
}

.notif-item--unread .notif-item__title {
  font-weight: 700;
}

.notif-item__title {
  font-weight: 600;
}

.notif-item__body {
  color: var(--dash-muted);
  font-weight: 400;
}

.notif-item__meta {
  color: var(--dash-muted);
  font-size: var(--dash-text-xs, 0.6875rem);
}

.notif-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 1rem;
  height: 1rem;
  padding: 0 0.22rem;
  border-radius: 999px;
  background: var(--brand-coral, #fd3b31);
  color: #fff;
  font-size: 0.625rem;
  font-weight: 700;
  line-height: 1rem;
  text-align: center;
  pointer-events: none;
}

.notif-badge[hidden] {
  display: none;
}

/* ---- Modal / drawer ---- */
.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal[hidden] {
  display: none;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 7, 13, 0.45);
  border: 0;
  padding: 0;
  cursor: pointer;
}

.modal__dialog {
  position: relative;
  width: min(28rem, 100%);
  max-height: min(90vh, 40rem);
  overflow: auto;
  background: var(--dash-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
  padding: var(--space-5);
}

.modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.modal__footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

/* ---- Empty / loading / error ---- */
.state-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-6);
  border: 1px dashed var(--dash-border);
  border-radius: var(--radius-md);
  background: var(--dash-surface);
}

.state-block[hidden] {
  display: none;
}

.state-block__title {
  font-weight: 700;
  font-size: var(--dash-text-md);
}

.state-block__body {
  color: var(--dash-muted);
  font-size: var(--dash-text-sm);
  max-width: 36rem;
}

.skeleton {
  display: block;
  height: 0.85rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--dash-hover), #e7e8ec, var(--dash-hover));
  background-size: 200% 100%;
}

@media (prefers-reduced-motion: no-preference) {
  .skeleton {
    animation: dash-skeleton 1.2s ease-in-out infinite;
  }
}

@keyframes dash-skeleton {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* ---- AI chat pieces ---- */
.chat-topics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 var(--space-3);
  border: 1px solid var(--dash-border);
  border-radius: 999px;
  background: var(--dash-surface);
  color: var(--dash-ink);
  font-family: var(--dash-font-label, var(--dash-font-ui));
  font-size: var(--dash-text-ui-label, 14pt);
  font-weight: 400;
  cursor: pointer;
}

.chip:hover {
  border-color: var(--dash-primary);
  color: var(--dash-primary);
}

.chat-thread {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 8rem;
}

.chat-msg {
  max-width: 95%;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--dash-text-sm);
}

.chat-msg--assistant {
  align-self: flex-start;
  background: var(--dash-chat-assistant);
}

.chat-msg--user {
  align-self: flex-end;
  background: var(--dash-chat-user);
}

.chat-msg__meta {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--dash-text-2xs);
  font-weight: 600;
  color: var(--dash-muted);
}

.chat-replies {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chat-composer {
  display: flex;
  gap: var(--space-2);
  align-items: flex-end;
}

.chat-composer .input,
.chat-composer .textarea {
  flex: 1;
  min-height: 44px;
}

/* ---- Chart container ---- */
.chart-panel {
  background: var(--dash-surface-inverse);
  color: var(--dash-on-dark);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.chart-panel__title {
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.chart-panel__fallback {
  margin-top: var(--space-3);
  font-size: var(--dash-text-xs);
  color: var(--dash-on-dark-muted);
}

.chart-panel__canvas {
  min-height: 10rem;
  border: 1px dashed rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dash-on-dark-muted);
  font-size: var(--dash-text-xs);
  text-align: center;
  padding: var(--space-4);
}

/* ---- Toast ---- */
.toast-region {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: min(22rem, calc(100vw - 2rem));
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  padding: var(--space-3) var(--space-4);
  background: var(--dash-ink);
  color: var(--dash-on-dark);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
  font-size: var(--dash-text-sm);
}

.toast--info {
  background: var(--dash-primary);
}

.toast--success {
  background: #0f6b3c;
}