.ui-panel {
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-panel);
  background: var(--surface);
  box-shadow: var(--surface-shadow);
}

.ui-action {
  min-height: var(--button-min-height);
  padding: var(--button-padding-y) var(--button-padding-x);
  cursor: pointer;
  border-radius: var(--button-radius);
  font-weight: var(--button-font-weight);
}

.ui-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: var(--button-min-height);
  padding: var(--button-padding-y) var(--button-padding-x);
  cursor: pointer;
  border: 1px solid var(--button-border);
  border-radius: var(--button-radius);
  color: var(--button-text);
  background: var(--button-bg);
  box-shadow: 0 0 0 rgba(15, 23, 42, 0);
  font: inherit;
  font-size: var(--button-font-size);
  font-weight: var(--button-font-weight);
  line-height: 1.15;
  text-align: center;
  text-decoration: none;
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    box-shadow 140ms ease,
    color 140ms ease,
    transform 80ms ease;
}

.ui-button:hover {
  border-color: var(--button-hover-border);
  background: var(--button-hover-bg);
  box-shadow: var(--button-hover-shadow);
  transform: translateY(-1px);
}

.ui-button:active {
  box-shadow: 0 3px 10px rgba(15, 23, 42, 0.12);
  transform: translateY(1px) scale(0.98);
}

.ui-button:focus-visible {
  outline: 3px solid var(--button-focus-ring);
  outline-offset: var(--button-focus-offset);
}

.ui-button:disabled,
.ui-button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
}

.ui-button.is-primary,
.ui-button.is-active {
  border-color: var(--button-primary-bg);
  color: var(--button-primary-text);
  background: var(--button-primary-bg);
}

.ui-button.is-primary:hover,
.ui-button.is-active:hover {
  border-color: var(--button-primary-bg);
  color: var(--button-primary-text);
  background: var(--button-primary-bg);
  box-shadow:
    var(--button-hover-shadow),
    inset 0 0 0 999px rgba(255, 255, 255, 0.08);
}

.ui-button.is-secondary {
  border-color: var(--button-secondary-bg);
  color: var(--button-secondary-text);
  background: var(--button-secondary-bg);
}

.ui-button.is-ghost {
  color: var(--button-ghost-text);
  background: var(--button-ghost-bg);
}

.ui-button.is-danger {
  border-color: var(--button-danger-border);
  color: var(--button-danger-text);
  background: var(--button-danger-bg);
}

.ui-button.is-chip {
  min-height: calc(var(--button-min-height) - 2px);
}

.ui-link-button {
  display: flex;
  flex-direction: column;
  gap: var(--link-button-gap, 8px);
  min-width: 0;
  padding: var(--link-button-padding, 16px);
  border: 1px solid var(--surface-border);
  border-radius: var(--link-button-radius, var(--radius-panel));
  color: var(--page-text);
  background: var(--surface);
  box-shadow: var(--surface-shadow);
  cursor: pointer;
  font: inherit;
  text-align: left;
  text-decoration: none;
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease,
    transform 150ms ease;
}

.ui-link-button:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.ui-link-button:active {
  transform: translateY(0);
}

.ui-link-button:focus-visible {
  outline: 3px solid var(--button-focus-ring);
  outline-offset: var(--button-focus-offset);
}

.ui-link-button-icon {
  color: var(--text-muted);
  font-size: var(--link-button-icon-size, 1.6rem);
}

.ui-link-button strong {
  color: var(--page-text);
  font-family: var(--font-heading, var(--font-body));
  font-size: var(--link-button-title-size, 0.95rem);
  line-height: 1.2;
}

.ui-link-button p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--link-button-description-size, 0.82rem);
  line-height: 1.4;
}

.ui-checkbox,
.ui-radio,
.ui-switch {
  cursor: pointer;
  color: var(--page-text);
}

.ui-checkbox,
.ui-radio {
  display: inline-grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
  align-items: center;
}

.ui-checkbox input[type="checkbox"],
.ui-radio input[type="radio"] {
  width: var(--control-box-size, 18px);
  height: var(--control-box-size, 18px);
  margin: 0;
  cursor: pointer;
  accent-color: var(--control-accent, var(--button-primary-bg));
}

.ui-checkbox input[type="checkbox"] {
  border-radius: var(--control-box-radius, 6px);
}

.ui-radio input[type="radio"] {
  border-radius: 50%;
}

.ui-checkbox input[type="checkbox"]:focus-visible,
.ui-radio input[type="radio"]:focus-visible {
  outline: 3px solid var(--control-style-focus, var(--button-focus-ring));
  outline-offset: 2px;
}

.ui-switch {
  display: inline-grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 9px;
  align-items: center;
}

.ui-switch input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.ui-switch-control {
  position: relative;
  display: inline-block;
  width: var(--control-switch-width, 42px);
  height: var(--control-switch-height, 24px);
  border: 1px solid var(--control-border);
  border-radius: var(--control-switch-radius, 999px);
  background: var(--control-bg);
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.02);
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    box-shadow 140ms ease;
}

.ui-switch-control::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 3px;
  width: var(--control-switch-thumb, 18px);
  height: var(--control-switch-thumb, 18px);
  border-radius: 50%;
  background: #FFFFFF;
  box-shadow: 0 2px 7px rgba(15, 23, 42, 0.22);
  transform: translateY(-50%);
  transition: transform 140ms ease;
}

.ui-switch input[type="checkbox"]:checked + .ui-switch-control {
  border-color: var(--control-accent, var(--button-primary-bg));
  background: var(--control-accent, var(--button-primary-bg));
}

.ui-switch input[type="checkbox"]:checked + .ui-switch-control::after {
  transform: translate(
    calc(var(--control-switch-width, 42px) - var(--control-switch-thumb, 18px) - 7px),
    -50%
  );
}

.ui-switch input[type="checkbox"]:focus-visible + .ui-switch-control {
  outline: 3px solid var(--control-style-focus, var(--button-focus-ring));
  outline-offset: 2px;
}

.ui-control-text,
.ui-switch-text {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.ui-control-text strong,
.ui-switch-text strong {
  color: var(--page-text);
  font-size: 0.92rem;
  line-height: 1.2;
}

.ui-control-text span,
.ui-switch-text span {
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.35;
}

.ui-name-help {
  position: absolute;
  top: 5px;
  right: 6px;
  display: none;
  place-items: center;
  width: 18px;
  height: 18px;
  padding: 0;
  cursor: copy;
  border: 1px solid var(--color-info-border);
  border-radius: 50%;
  color: var(--color-info-text);
  background: var(--color-info-soft);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 900;
  line-height: 1;
  z-index: 3;
}

:root:not(.is-admin-helper-on) .ui-name-help {
  display: none;
}

:root.is-admin-helper-on .ui-name-help {
  display: inline-grid;
}

.ui-name-help::after {
  position: absolute;
  right: -2px;
  bottom: calc(100% + 8px);
  width: max-content;
  max-width: min(230px, 60vw);
  padding: 7px 9px;
  pointer-events: none;
  border-radius: 8px;
  color: var(--button-primary-text);
  background: var(--button-primary-bg);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.18);
  content: attr(data-ui-tooltip);
  font-family: var(--font-body);
  font-size: 0.76rem;
  font-weight: 800;
  line-height: 1.25;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 140ms ease, transform 140ms ease;
  visibility: hidden;
  white-space: nowrap;
}

.ui-name-help:hover,
.ui-name-help:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
  outline: none;
}

.ui-name-help:hover::after,
.ui-name-help:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.ui-name-help.is-copied::after {
  content: "Kopierat!";
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
  background: var(--color-success);
}

.lvl-responsive-image {
  position: relative;
}

.lvl-image-missing {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px dashed var(--surface-border);
  border-radius: 8px;
  color: var(--text-caption);
  background: var(--surface);
  font-size: 0.82rem;
}

.ui-image-change-button {
  position: absolute;
  top: 5px;
  left: 5px;
  display: none;
  align-items: center;
  gap: 4px;
  max-width: min(150px, calc(100% - 10px));
  min-height: 26px;
  padding: 3px 7px;
  border: 1px solid var(--color-info-border);
  border-radius: var(--radius-panel);
  color: var(--color-info-text);
  background: var(--color-info-soft);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.16);
  cursor: pointer;
  font: inherit;
  font-size: 0.68rem;
  font-weight: 900;
  line-height: 1;
  z-index: 4;
}

:root.is-image-change-helper-on .ui-image-change-button {
  display: inline-flex;
}

.ui-image-change-button .app-icon {
  font-size: 0.95rem;
}

.ui-image-change-button:hover,
.ui-image-change-button:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
  outline: none;
}

.ui-image-change-dialog {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(15, 23, 42, 0.46);
}

.ui-image-change-panel {
  width: min(820px, 100%);
  max-height: min(720px, calc(100vh - 36px));
  overflow: auto;
  padding: 16px;
  border-radius: var(--radius-panel);
  background: var(--surface);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.25);
}

.ui-image-change-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.ui-image-change-head div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ui-image-change-head strong {
  color: var(--page-text);
  font-size: 1rem;
}

.ui-image-change-head span {
  color: var(--text-caption);
  font-size: 0.78rem;
}

.ui-image-change-close {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-panel);
  background: var(--surface);
  color: var(--text-body);
  cursor: pointer;
}

.ui-image-change-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}

.ui-image-change-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-panel);
  background: var(--surface);
  color: var(--text-body);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.ui-image-change-card:hover,
.ui-image-change-card.is-selected {
  border-color: var(--control-focus);
}

.ui-image-change-thumb {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 6px;
  background: repeating-conic-gradient(#0001 0% 25%, transparent 0% 50%) 50% / 16px 16px;
}

.ui-image-change-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ui-status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 8px;
  border: 1px solid var(--color-neutral-border);
  border-radius: 999px;
  color: var(--color-neutral-text);
  background: var(--color-neutral-soft);
  font-size: 0.78rem;
  font-weight: 700;
}

.ui-status.is-success {
  border-color: var(--color-success-border);
  color: var(--color-success-text);
  background: var(--color-success-soft);
}

.ui-status.is-warning {
  border-color: var(--color-warning-border);
  color: var(--color-warning-text);
  background: var(--color-warning-soft);
}

.ui-status.is-danger {
  border-color: var(--color-danger-border);
  color: var(--color-danger-text);
  background: var(--color-danger-soft);
}

.ui-status.is-info {
  border-color: var(--color-info-border);
  color: var(--color-info-text);
  background: var(--color-info-soft);
}

.ui-alert,
.ui-empty-state {
  padding: var(--space-12) var(--space-16);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-panel);
  color: var(--page-text);
  background: var(--surface);
}

.ui-alert.is-success {
  border-color: var(--color-success-border);
  color: var(--color-success-text);
  background: var(--color-success-soft);
}

.ui-alert.is-warning {
  border-color: var(--color-warning-border);
  color: var(--color-warning-text);
  background: var(--color-warning-soft);
}

.ui-alert.is-danger {
  border-color: var(--color-danger-border);
  color: var(--color-danger-text);
  background: var(--color-danger-soft);
}

.ui-alert.is-info {
  border-color: var(--color-info-border);
  color: var(--color-info-text);
  background: var(--color-info-soft);
}

.ui-empty-state {
  color: var(--text-muted);
  text-align: center;
}

.ui-form-field {
  display: grid;
  gap: 6px;
}

.ui-form-field input,
.ui-form-field select,
.ui-form-field textarea,
.ui-input,
.ui-select,
.ui-textarea {
  min-height: var(--control-height);
  padding: 9px 11px;
  border: 1px solid var(--control-border);
  border-radius: var(--control-radius);
  color: var(--page-text);
  background: var(--control-bg);
  font: inherit;
}

.ui-form-field input:focus-visible,
.ui-form-field select:focus-visible,
.ui-form-field textarea:focus-visible,
.ui-input:focus-visible,
.ui-select:focus-visible,
.ui-textarea:focus-visible {
  outline: 3px solid var(--control-focus);
  outline-offset: 1px;
}

.learning-package-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px;
}

.learning-package-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 9px;
  min-width: 0;
  min-height: 158px;
  padding: 12px;
  border: 1px solid var(--surface-border);
  border-radius: 8px;
  color: var(--page-text);
  background: var(--surface);
  box-shadow: var(--surface-shadow);
  text-decoration: none;
  transition: border-color 0.18s ease, opacity 0.18s ease, transform 0.18s ease;
}

:root.is-admin-helper-on .learning-package-card {
  padding-right: 32px;
}

.learning-package-card:hover {
  border-color: rgba(37, 99, 235, 0.28);
  transform: translateY(-1px);
}

.learning-package-card.is-locked {
  cursor: default;
  opacity: 0.68;
}

.learning-package-card.is-locked:hover {
  transform: none;
}

.learning-package-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.learning-package-number {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 26px;
  padding: 4px 8px;
  border-radius: 8px;
  color: #1D4ED8;
  background: rgba(37, 99, 235, 0.1);
  font-size: 0.78rem;
  font-weight: 900;
}

.learning-package-body {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.learning-package-title {
  color: var(--page-text);
  font-size: 1.02rem;
  line-height: 1.18;
}

.learning-package-description,
.learning-package-meta,
.learning-package-status,
.learning-package-lock-note,
.learning-package-badges {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.35;
}

.learning-package-stats {
  display: grid;
  grid-template-columns: minmax(58px, 0.72fr) minmax(101px, 1.28fr);
  gap: 7px;
}

.learning-package-stat {
  display: grid;
  gap: 1px;
  min-width: 0;
  padding: 7px 8px;
  border: 1px solid var(--package-stat-border, var(--surface-border));
  border-radius: 8px;
  background: var(--package-stat-bg, var(--surface));
}

.learning-package-stat small {
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 900;
  text-transform: uppercase;
}

.learning-package-stat strong {
  color: var(--page-text);
  font-family: var(--font-mono);
  font-size: 0.98rem;
  line-height: 1.1;
  white-space: nowrap;
}

.learning-package-xp-meter {
  display: block;
  width: 100%;
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.22);
}

.learning-package-xp-meter > span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #2563EB, #16A34A);
}

.learning-package-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.learning-package-badges span,
.learning-package-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 24px;
  padding: 3px 7px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--page-text);
  font-size: 0.72rem;
  font-weight: 900;
}

.learning-package-card .star-status.is-card-star {
  min-height: 38px;
  padding: 0;
  border: 0;
  background: transparent;
}

.learning-package-card .star-status.is-card-star > strong {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.learning-package-card .star-status.is-card-star .reward-star-symbol {
  color: inherit;
  font-size: 2.45rem;
  line-height: 1;
}

.learning-package-card .star-status.is-card-star.is-none { color: rgba(148, 163, 184, 0.72); }
.learning-package-card .star-status.is-card-star.is-bronze { color: #A16207; }
.learning-package-card .star-status.is-card-star.is-silver { color: #64748B; }
.learning-package-card .star-status.is-card-star.is-gold { color: var(--coin-color); }

@media (max-width: 640px) {
  .learning-package-grid {
    grid-template-columns: 1fr;
  }
}