/* ============================================================================
   NiyuktiAI — Buttons, badges, cards, forms, modals, toasts

   Load order: tokens.css, base.css, components.css, shell.css, pages.css.
   Bootstrap comes before all of them and is configured by base.css rather
   than overridden — its custom properties are pointed at our tokens.
   ========================================================================== */

/* ============================================================================
   Components
   ========================================================================== */

/* --- Card ----------------------------------------------------------------- */

.card {
  --bs-card-bg: var(--card);
  --bs-card-color: var(--card-foreground);
  --bs-card-border-color: var(--border);
  --bs-card-border-radius: var(--radius);
  --bs-card-inner-border-radius: calc(var(--radius) - 1px);
  box-shadow: var(--elevation-xs);
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

.card-subtitle {
  color: var(--muted-foreground);
  font-size: var(--text-base);
  margin: 0.125rem 0 0;
  text-wrap: pretty;
}

/* --- Section heading ------------------------------------------------------ */

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section-head h2 {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0;
}

.section-head p {
  color: var(--muted-foreground);
  font-size: var(--text-base);
  margin: 0.125rem 0 0;
}

/* --- Buttons -------------------------------------------------------------- *
 * Bootstrap's .btn does the sizing and focus ring; these set the palette and
 * the product's slightly tighter radius.                                     */

.btn {
  --bs-btn-font-size: var(--text-base);
  --bs-btn-font-weight: 500;
  --bs-btn-border-radius: 0.5rem;
  --bs-btn-padding-y: 0.5rem;
  --bs-btn-padding-x: 0.875rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  white-space: nowrap;
  transition: background-color 150ms, color 150ms, border-color 150ms;
}

.btn .fa-solid {
  font-size: 1rem;
}

.btn-primary {
  --bs-btn-bg: var(--primary);
  --bs-btn-border-color: var(--primary);
  --bs-btn-color: var(--primary-foreground);
  --bs-btn-hover-bg: var(--primary-hover);
  --bs-btn-hover-border-color: var(--primary-hover);
  --bs-btn-hover-color: var(--primary-foreground);
  --bs-btn-active-bg: var(--primary-hover);
  --bs-btn-active-border-color: var(--primary-hover);
  --bs-btn-disabled-bg: var(--primary);
  --bs-btn-disabled-border-color: var(--primary);
  --bs-btn-disabled-color: var(--primary-foreground);
  box-shadow: var(--elevation-xs);
}

.btn-outline {
  --bs-btn-bg: var(--surface);
  --bs-btn-border-color: var(--border);
  --bs-btn-color: var(--foreground);
  --bs-btn-hover-bg: var(--secondary);
  --bs-btn-hover-border-color: var(--border-strong);
  --bs-btn-hover-color: var(--foreground);
  border-width: 1px;
  border-style: solid;
}

.btn-ghost {
  --bs-btn-bg: transparent;
  --bs-btn-border-color: transparent;
  --bs-btn-color: var(--muted-foreground);
  --bs-btn-hover-bg: var(--secondary);
  --bs-btn-hover-border-color: transparent;
  --bs-btn-hover-color: var(--foreground);
}

.btn-danger {
  --bs-btn-bg: var(--destructive);
  --bs-btn-border-color: var(--destructive);
  --bs-btn-color: var(--destructive-foreground);
}

.btn-icon {
  --bs-btn-padding-x: 0.5rem;
  --bs-btn-padding-y: 0.5rem;
  line-height: 1;
}

.btn-sm {
  --bs-btn-font-size: var(--text-sm);
  --bs-btn-padding-y: 0.375rem;
  --bs-btn-padding-x: 0.625rem;
}

.btn-lg {
  --bs-btn-font-size: var(--text-md);
  --bs-btn-padding-y: 0.625rem;
  --bs-btn-padding-x: 1.125rem;
}

/* --- Badges --------------------------------------------------------------- */

.badge {
  --bs-badge-font-size: var(--text-2xs);
  --bs-badge-font-weight: 600;
  --bs-badge-padding-y: 0.1875rem;
  --bs-badge-padding-x: 0.5rem;
  --bs-badge-border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.3125rem;
  line-height: 1.25;
}

.badge .fa-solid {
  font-size: 0.75rem;
}

.badge-neutral {
  background-color: var(--secondary);
  color: var(--secondary-foreground);
}
.badge-brand {
  background-color: var(--primary-subtle);
  color: var(--primary-subtle-foreground);
}
.badge-success {
  background-color: var(--success-50);
  color: var(--success-700);
}
.badge-warning {
  background-color: var(--warning-50);
  color: var(--warning-700);
}
.badge-danger {
  background-color: var(--danger-50);
  color: var(--danger-700);
}
.badge-info {
  background-color: var(--info-50);
  color: var(--info-700);
}

/* --- Forms ---------------------------------------------------------------- */

.form-control,
.form-select {
  --bs-body-bg: var(--surface);
  border-color: var(--input);
  border-radius: 0.5rem;
  color: var(--foreground);
  font-size: var(--text-base);
  padding: 0.5rem 0.75rem;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--ring);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--ring) 30%, transparent);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--foreground);
  margin-bottom: 0.375rem;
}

.form-hint {
  color: var(--muted-foreground);
  font-size: var(--text-xs);
  margin-top: 0.25rem;
}

/* --- Dropdown, modal, tooltip: Bootstrap's, in our palette ---------------- */

.dropdown-menu {
  --bs-dropdown-bg: var(--popover);
  --bs-dropdown-color: var(--popover-foreground);
  --bs-dropdown-border-color: var(--border);
  --bs-dropdown-border-radius: var(--radius);
  --bs-dropdown-link-color: var(--foreground);
  --bs-dropdown-link-hover-bg: var(--secondary);
  --bs-dropdown-link-hover-color: var(--foreground);
  --bs-dropdown-link-active-bg: var(--primary-subtle);
  --bs-dropdown-link-active-color: var(--primary-subtle-foreground);
  --bs-dropdown-font-size: var(--text-base);
  box-shadow: var(--elevation-md);
}

.modal-content {
  background-color: var(--popover);
  color: var(--popover-foreground);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 0.25rem);
  box-shadow: var(--elevation-lg);
}

.tooltip-inner {
  background-color: var(--surface-inverse);
  color: var(--surface-inverse-foreground);
  border-radius: 0.375rem;
  font-size: var(--text-xs);
  padding: 0.3125rem 0.5rem;
}

.offcanvas {
  background-color: var(--surface);
  color: var(--foreground);
}

/* This build of Bootstrap leaves the header a bare flex row, so the close
   button sat against the title instead of at the far edge. */
.offcanvas-header {
  justify-content: space-between;
}

/* --- Empty and loading states -------------------------------------------- */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  padding: 3rem 1.5rem;
}

.empty-state-icon {
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background-color: var(--surface-sunken);
  color: var(--muted-foreground);
  margin-bottom: 0.25rem;
}

.empty-state h3 {
  font-size: var(--text-md);
  font-weight: 600;
  margin: 0;
}

.empty-state p {
  color: var(--muted-foreground);
  font-size: var(--text-base);
  margin: 0;
  max-width: 32rem;
  text-wrap: pretty;
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--neutral-100) 25%,
    var(--neutral-200) 37%,
    var(--neutral-100) 63%
  );
  background-size: 400% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-radius: 0.5rem;
}

/* --- Logo ----------------------------------------------------------------- */

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
}

.logo-mark {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
}

.logo-word {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: var(--text-lg);
  white-space: nowrap;
}

/* --- The signed-in chip at the foot of the rail --------------------------- */

.user-chip {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 0.625rem;
  border: 0;
  border-radius: 0.5rem;
  background: transparent;
  padding: 0.5rem;
  text-align: left;
  color: var(--foreground);
  transition: background-color 150ms;
}

.user-chip:hover {
  background-color: var(--secondary);
}

.user-chip > .fa-solid {
  font-size: 1rem;
  color: var(--muted-foreground);
}

.user-chip-text {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  flex-direction: column;
  line-height: 1.25;
}

.user-chip-text > :first-child {
  font-size: var(--text-sm);
  font-weight: 500;
}

.user-chip-text > :last-child {
  font-size: var(--text-2xs);
}

.avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 600;
}

/* The expand button only exists while the rail is narrow; the collapse button
   only while it is wide. One control each, never both. */
.rail-show-collapsed {
  display: none;
}
.rail[data-collapsed="true"] .rail-show-collapsed {
  display: inline-flex;
  width: 100%;
}
.rail[data-collapsed="true"] .user-chip {
  justify-content: center;
}
.rail[data-collapsed="true"] .user-chip > .fa-solid {
  display: none;
}

/* --- Skip link ------------------------------------------------------------ */

.skip-link:focus {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  border-radius: 0.5rem;
  background-color: var(--surface);
  box-shadow: var(--elevation-md);
  padding: 0.5rem 0.875rem;
  font-weight: 500;
}

/* --- Toasts --------------------------------------------------------------- */

.toast-tray {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: min(24rem, calc(100vw - 2rem));
}

.toast-item {
  border: 1px solid var(--border);
  border-radius: 0.625rem;
  background-color: var(--popover);
  color: var(--popover-foreground);
  box-shadow: var(--elevation-md);
  padding: 0.625rem 0.875rem;
  font-size: var(--text-base);
  opacity: 0;
  translate: 0 0.5rem;
  transition: opacity 180ms ease-out, translate 180ms ease-out;
}

.toast-item.is-shown {
  opacity: 1;
  translate: 0;
}

.toast-success {
  border-color: var(--success-200);
  color: var(--success-700);
}
.toast-danger {
  border-color: var(--danger-200);
  color: var(--danger-700);
}