.kai-card {
  overflow: hidden;
  border: 1px solid var(--kai-border);
  border-radius: var(--kai-radius-xl);
  background: var(--kai-surface);
  box-shadow: var(--kai-shadow-card);
}

.kai-card-pad {
  padding: 22px;
}

.kai-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 22px;
}

.kai-card-header h2,
.kai-card h2 {
  margin: 0;
  color: var(--kai-text);
  font-size: 22px;
  line-height: 1.18;
  font-weight: var(--kai-weight-bold);
  letter-spacing: 0;
}

.kai-kicker {
  margin: 0 0 10px;
  color: var(--kai-text);
  font-size: 18px;
  font-weight: var(--kai-weight-semibold);
}

.kai-card-body {
  display: grid;
  gap: 16px;
  padding: 0 22px 22px;
}

.kai-stat-card {
  min-height: 128px;
  padding: 20px;
  border: 1px solid var(--kai-border);
  border-radius: var(--kai-radius-lg);
  background: var(--kai-surface);
}

.kai-stat-icon {
  display: inline-grid;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  place-items: center;
  color: var(--kai-accent);
  font-size: 24px;
}

.kai-stat-value {
  margin: 0;
  font-size: 36px;
  line-height: 1;
  font-weight: var(--kai-weight-bold);
}

.kai-stat-label {
  margin: 8px 0 0;
  color: var(--kai-text-muted);
  font-size: 18px;
  font-weight: var(--kai-weight-medium);
}

.kai-badge {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: var(--kai-radius-pill);
  padding: 7px 12px;
  white-space: nowrap;
  font-size: 14px;
  font-weight: var(--kai-weight-semibold);
}

.kai-badge-neutral {
  color: var(--kai-text-muted);
  background: var(--kai-surface-input);
}

.kai-badge-success {
  color: var(--kai-success);
  background: var(--kai-success-soft);
}

.kai-badge-warning {
  color: var(--kai-warning);
  background: var(--kai-warning-soft);
}

.kai-badge-error {
  color: var(--kai-error);
  background: var(--kai-error-soft);
}

.kai-primary-button,
.kai-secondary-button,
.kai-ghost-button {
  display: inline-flex;
  min-height: 56px;
  width: 100%;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: var(--kai-radius-pill);
  padding: 14px 20px;
  font-size: 18px;
  font-weight: var(--kai-weight-bold);
  letter-spacing: 0;
}

.kai-primary-button {
  color: #fff;
  background: var(--kai-accent);
  box-shadow: 0 18px 42px rgba(255, 56, 100, 0.16);
}

.kai-primary-button:hover {
  background: var(--kai-accent-pressed);
}

.kai-secondary-button {
  color: var(--kai-accent);
  background: var(--kai-accent-soft);
}

.kai-ghost-button {
  color: var(--kai-text);
  background: var(--kai-surface-raised);
}

.kai-icon-button {
  display: inline-grid;
  width: 56px;
  height: 56px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--kai-border);
  border-radius: 50%;
  color: var(--kai-text);
  background: var(--kai-surface);
  box-shadow: var(--kai-shadow-card);
}

.kai-field {
  display: grid;
  gap: 8px;
}

.kai-label {
  color: var(--kai-text-muted);
  font-size: 15px;
  font-weight: var(--kai-weight-semibold);
}

.kai-input,
.kai-select,
.kai-textarea {
  width: 100%;
  min-height: 54px;
  border: 1px solid transparent;
  border-radius: var(--kai-radius-md);
  padding: 13px 15px;
  color: var(--kai-text);
  background: var(--kai-surface-input);
  outline: none;
}

.kai-input:focus,
.kai-select:focus,
.kai-textarea:focus {
  border-color: rgba(255, 56, 100, 0.60);
  box-shadow: 0 0 0 4px var(--kai-accent-soft);
}

.kai-textarea {
  min-height: 112px;
  resize: vertical;
}

.kai-search {
  position: relative;
}

.kai-search::before {
  content: "⌕";
  position: absolute;
  left: 15px;
  top: 50%;
  color: var(--kai-text-muted);
  font-size: 26px;
  line-height: 1;
  transform: translateY(-50%);
}

.kai-search .kai-input {
  padding-left: 50px;
}

.kai-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.kai-detail-cell {
  min-height: 74px;
  border-radius: var(--kai-radius-md);
  padding: 12px 14px;
  background: var(--kai-surface-input);
}

.kai-detail-cell span {
  display: block;
  color: var(--kai-text-muted);
  font-size: 14px;
  font-weight: var(--kai-weight-semibold);
}

.kai-detail-cell strong {
  display: block;
  margin-top: 6px;
  color: var(--kai-text);
  font-size: 18px;
  line-height: 1.15;
}

.kai-list {
  display: grid;
  gap: 10px;
}

.kai-list-row {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid var(--kai-border);
  border-radius: var(--kai-radius-md);
  padding: 13px 15px;
  background: var(--kai-surface-raised);
}

.kai-list-row-title {
  margin: 0;
  color: var(--kai-text);
  font-size: 17px;
  font-weight: var(--kai-weight-semibold);
}

.kai-list-row-meta {
  margin: 4px 0 0;
  color: var(--kai-text-muted);
  font-size: 14px;
}

.kai-receipt-preview {
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border-radius: var(--kai-radius-lg);
  background: var(--kai-surface-raised);
}

.kai-receipt-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kai-bottom-nav {
  position: fixed;
  z-index: 20;
  right: max(14px, env(safe-area-inset-right));
  bottom: max(12px, env(safe-area-inset-bottom));
  left: max(14px, env(safe-area-inset-left));
  display: grid;
  max-width: 410px;
  height: var(--kai-bottom-nav-height);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 auto;
  border: 1px solid var(--kai-border-strong);
  border-radius: 34px;
  padding: 8px;
  background: rgba(22, 22, 24, 0.92);
  box-shadow: var(--kai-shadow-floating);
  backdrop-filter: blur(20px);
}

.kai-tab {
  position: relative;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 28px;
  color: var(--kai-text);
  background: transparent;
  font-size: 12px;
  font-weight: var(--kai-weight-semibold);
}

.kai-tab-icon {
  display: block;
  margin-bottom: 2px;
  font-size: 24px;
  line-height: 1;
}

.kai-tab[aria-current="page"] {
  color: var(--kai-accent);
  background: var(--kai-surface-input);
}

.kai-tab-badge {
  position: absolute;
  top: 8px;
  right: 20px;
  display: grid;
  min-width: 24px;
  height: 24px;
  place-items: center;
  border-radius: var(--kai-radius-pill);
  padding: 0 7px;
  color: #fff;
  background: var(--kai-error);
  font-size: 13px;
  font-weight: var(--kai-weight-bold);
}

.kai-alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border-radius: var(--kai-radius-lg);
  padding: 16px;
}

.kai-alert-warning {
  color: var(--kai-warning);
  background: var(--kai-warning-soft);
}

.kai-alert-error {
  color: var(--kai-error);
  background: var(--kai-error-soft);
}

.kai-alert p {
  margin: 4px 0 0;
  color: var(--kai-text-muted);
}

.kai-modal-backdrop {
  position: fixed;
  z-index: 40;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(16px);
}

.kai-modal {
  width: min(100%, 520px);
  max-height: min(760px, calc(100vh - 36px));
  overflow: auto;
  border: 1px solid var(--kai-border-strong);
  border-radius: var(--kai-radius-xl);
  background: var(--kai-surface);
  box-shadow: var(--kai-shadow-floating);
}

.kai-modal-header {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--kai-border);
  padding: 18px 20px;
  background: rgba(28, 28, 30, 0.92);
  backdrop-filter: blur(18px);
}

.kai-modal-header h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
  font-weight: var(--kai-weight-bold);
}

.kai-modal-body {
  display: grid;
  gap: 14px;
  padding: 18px 20px 22px;
}

.kai-empty-state {
  display: grid;
  min-height: 420px;
  place-items: center;
  text-align: center;
}

.kai-empty-state-inner {
  display: grid;
  justify-items: center;
  gap: 14px;
  max-width: 320px;
}

.kai-empty-icon {
  color: var(--kai-text-subtle);
  font-size: 60px;
}

.kai-empty-state h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.2;
  font-weight: var(--kai-weight-bold);
}

.kai-empty-state p {
  margin: 0;
  color: var(--kai-text-muted);
  font-size: 17px;
  line-height: 1.45;
  font-weight: var(--kai-weight-medium);
}

@media (min-width: 780px) {
  .kai-bottom-nav {
    right: 24px;
    left: auto;
    width: 410px;
  }
}