.oscf-page {
  box-sizing: border-box;
  width: 100%;
  max-width: 1170px;
  margin-right: auto;
  margin-left: auto;
  padding: 2rem clamp(1rem, 4vw, 1.5rem) 3rem;
}

.oscf-app,
.oscf-login {
  --oscf-purple: #5233ee;
  --oscf-green: #4ac494;
  --oscf-ink: #1b0330;
  box-sizing: border-box;
  margin: 2rem 0;
  padding: clamp(1rem, 3vw, 2rem);
  border: 0px solid #ddd7f7;
  border-radius: 16px;
  background: #f9f9f9;
  color: var(--oscf-ink);
  font-family: inherit;
}

.oscf-app *,
.oscf-login * {
  box-sizing: border-box;
}

.oscf-app [hidden] {
  display: none !important;
}

.oscf-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.oscf-heading h2 {
  margin-top: 0;
}

.oscf-heading-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem 1rem;
}

.oscf-source-cards[hidden] {
  display: none !important;
}

.oscf-app--source {
  width: 100%;
  margin-top: 50px;
  margin-bottom: 50px;
}

.oscf-source-cards--preview {
  margin-top: 0;
  margin-bottom: 0;
  padding: 0;
  background: transparent;
  border-radius: 0;
}

.oscf-app--source .oscf-source-title {
  margin: 0 0 1rem;
  color: #121212;
  font-size: 1.5rem;
  line-height: 1.2;
}

.oscf-app--source h3,
.oscf-app--source h4 {
  margin-top: 0;
}

.oscf-app--source .oscf-previous:disabled,
.oscf-app--source .oscf-next:disabled {
  cursor: not-allowed;
  opacity: .45;
}

.oscf-card-stack {
  position: relative;
  margin: .75rem 0 1rem;
}

.oscf-card-stack .oscf-card {
  position: relative;
  z-index: 1;
  margin: 0;
  cursor: grab;
  touch-action: pan-y;
}

.oscf-app--source .oscf-question,
.oscf-app--source .oscf-answer-text,
.oscf-app--source .oscf-answer-text :is(p, li, strong, b) {
  font-size: 20px;
}

.oscf-app--source .oscf-explanation,
.oscf-app--source .oscf-explanation :is(p, li) {
  font-size: clamp(0.95rem, 2.1vw, 1.05rem);
}

.oscf-card.is-pressed,
.oscf-card.is-dragging {
  user-select: none;
}

.oscf-card.is-dragging {
  transition: none;
  cursor: grabbing;
}

.oscf-card.is-settling,
.oscf-card.is-lifted.is-settling {
  transition: transform 280ms ease;
}

.oscf-card.is-lifted {
  position: fixed;
  z-index: 100000;
  margin: 0;
  cursor: grabbing;
  user-select: none;
  touch-action: none;
  box-shadow: 0 18px 40px rgba(18, 18, 18, 0.18);
}

.oscf-card.is-lifted.is-dragging {
  transition: none;
}

.oscf-card-skeleton {
  position: absolute;
  z-index: 0;
  inset: 8px 0 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .85rem;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  border: 2px solid #e3def9;
  border-radius: 14px;
  background: #f3f0fb;
  pointer-events: none;
}

.oscf-card-skeleton span {
  display: block;
  height: .95rem;
  border-radius: 999px;
  background: #e3def9;
}

.oscf-card-skeleton span:nth-child(1) {
  width: 68%;
}

.oscf-card-skeleton span:nth-child(2) {
  width: 100%;
}

.oscf-card-skeleton span:nth-child(3) {
  width: 82%;
}

.oscf-app--selector {
  width: 100%;
  max-width: none;
  margin: 3% auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.oscf-app--selector .oscf-heading {
  align-items: center;
  margin-bottom: 1.25rem;
}

.oscf-app--selector .oscf-heading h2 {
  margin-bottom: 0;
  color: #121212;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  line-height: 1.15;
}

.oscf-app--selector .oscf-counts:not(:empty) {
  padding: .55rem .9rem;
  border-radius: 17px;
  background: #f4f1fd;
  color: #5233ee;
  font-weight: 700;
}

.oscf-selection {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
  padding: .5rem 0 0;
  background: #fff;
}

.oscf-selection:has(.oscf-stats[hidden]) {
  grid-template-columns: minmax(0, 1fr);
}

.oscf-selection-intro {
  margin-bottom: 2rem;
}

.oscf-selection-intro h3 {
  margin: 0 0 .35rem;
  color: #121212;
  font-size: 1.5rem;
}

.oscf-selection-intro p {
  margin: 0;
  color: #4d4d4d;
  font-size: 1rem;
  line-height: 1.5;
}

.oscf-counts {
  color: #5c5870;
  font-size: .95rem;
}

.oscf-position,
.oscf-card-id {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  width: fit-content;
  padding: .65rem 1.15rem;
  border-radius: 999px;
  background: #f4f1fd;
  color: #5233ee;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
}

.oscf-session-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.oscf-card-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .5rem;
  margin-left: auto;
}

.oscf-card-nav .oscf-reveal {
  white-space: nowrap;
}

.oscf-card-nav .oscf-button {
  min-height: 40px;
  padding: .45rem .9rem;
  font-family: 'BrandonText';
  font-size: clamp(0.8rem, 0.72rem + 0.9vw, 1rem);
}

.oscf-filters {
  margin-bottom: 1.25rem;
}

.oscf-filter-fields {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.oscf-select-field {
  display: grid;
  gap: .45rem;
  max-width: 520px;
  color: #121212;
  font-size: 1.1rem;
  font-weight: 700;
}

.oscf-select-field select {
  width: 100%;
  min-height: 52px;
  padding: .65rem 2.75rem .65rem 1.25rem;
  border: 2px solid #dedede;
  border-radius: 999px;
  background-color: #fff;
  color: #353535;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}

.oscf-app .oscf-pill-field {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0 !important;
  background: transparent;
}

.oscf-app .oscf-pill-field legend {
  float: none;
  width: auto;
  margin-bottom: .85rem;
  padding: 0;
  color: #121212;
  font-size: 1.1rem;
  font-weight: 700;
}

.oscf-app .oscf-pill-options {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.oscf-app .oscf-pill-options label {
  display: inline-block;
  margin: 0;
  cursor: pointer;
}

.oscf-app .oscf-pill-options input {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: 0 !important;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  opacity: 0 !important;
  pointer-events: none;
  appearance: none;
}

.oscf-app .oscf-pill-options span {
  display: inline-block;
  padding: .7rem 1.4rem;
  border: 2px solid #dedede;
  border-radius: 17px;
  background: #fff;
  color: #242424;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  transition: border-color 125ms, background-color 125ms, transform 125ms;
}

.oscf-app .oscf-pill-options label:hover span {
  border-color: #aaa;
  background: #f7f7f7;
}

.oscf-app .oscf-pill-options input:checked + span {
  border-color: rgb(70, 170, 117);
  background: rgb(70, 170, 117);
  color: #fff;
}

.oscf-app .oscf-pill-options input:focus-visible + span {
  outline: 3px solid #ffbf47;
  outline-offset: 3px;
}

.oscf-category-main-label {
  margin: 0 0 1.25rem;
  color: #121212;
  font-weight: 700;
}

.oscf-category-group {
  margin: 0 0 1.25rem;
}

.oscf-category-browser {
  display: flex;
  flex-direction: column;
  margin-top: .25rem;
}

.oscf-category-mains {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem .75rem;
  margin-bottom: 30px;
}

.oscf-category-panels {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  margin-top: .35rem;
}

.oscf-category-panels:not(:has(.oscf-category-block:not([hidden]))) {
  display: none;
}

.oscf-category-block {
  position: relative;
  margin-top: 1.6rem;
  padding: 1.85rem 1.15rem 1.2rem;
  border-radius: 28px;
  background: var(--oscf-category-color, #f4f1fd);
}

.oscf-app .oscf-category-main {
  position: absolute;
  top: 0;
  left: 1.15rem;
  display: inline-block;
  margin: 0;
  transform: translateY(-50%);
  cursor: pointer;
}

.oscf-app .oscf-category-chip {
  position: relative;
  display: inline-block;
  margin: 0;
  cursor: pointer;
}

.oscf-app .oscf-category-main input,
.oscf-app .oscf-category-chip input,
.oscf-app .oscf-category-browser .oscf-pill-options input {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: 0 !important;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  opacity: 0 !important;
  pointer-events: none;
  appearance: none;
}

.oscf-app .oscf-category-browser .oscf-pill-options {
  gap: .7rem .75rem;
}

.oscf-app .oscf-category-main span,
.oscf-app .oscf-category-chip span,
.oscf-app .oscf-category-browser .oscf-pill-options span {
  display: inline-block;
  padding: .7rem 1.4rem;
  border: 2px solid #dedede;
  border-radius: 17px;
  background: #fff;
  color: #242424;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  transition: border-color 125ms, background-color 125ms, transform 125ms;
}

.oscf-app .oscf-category-browser .oscf-pill-options label:hover span,
.oscf-app .oscf-category-main:hover span,
.oscf-app .oscf-category-chip:hover span {
  border-color: #aaa;
  background: #f7f7f7;
  color: #242424;
}

.oscf-app .oscf-category-main input:checked + span,
.oscf-app .oscf-category-chip input:checked + span,
.oscf-app .oscf-category-browser .oscf-pill-options input:checked + span,
.oscf-app .oscf-category-main:hover input:checked + span,
.oscf-app .oscf-category-chip:hover input:checked + span,
.oscf-app .oscf-category-browser .oscf-pill-options label:hover input:checked + span {
  border-color: rgb(70, 170, 117);
  background: rgb(70, 170, 117);
  color: #fff;
  font-weight: 600;
}

.oscf-app .oscf-category-main input:focus-visible + span,
.oscf-app .oscf-category-chip input:focus-visible + span,
.oscf-app .oscf-category-browser .oscf-pill-options input:focus-visible + span {
  outline: 3px solid #ffbf47;
  outline-offset: 3px;
}

.oscf-mode-panel[hidden] {
  display: none !important;
}

.oscf-topic-picker > label {
  display: block;
  margin-bottom: .7rem;
  color: #121212;
  font-size: 1.1rem;
  font-weight: 700;
}

.oscf-topic-search {
  position: relative;
  max-width: 560px;
}

.oscf-topic-query {
  width: 100%;
  min-height: 52px;
  padding: .7rem 1.2rem;
  border: 2px solid #dedede;
  border-radius: 999px;
  background: #fff;
  color: #242424;
  font: inherit;
}

.oscf-topic-results {
  position: absolute;
  z-index: 20;
  top: calc(100% + .4rem);
  right: 0;
  left: 0;
  margin: 0;
  padding: .4rem;
  overflow: auto;
  max-height: 280px;
  border: 1px solid #ececec;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(18, 18, 18, .12);
  list-style: none;
}

.oscf-topic-results button,
.oscf-topic-empty {
  width: 100%;
  padding: .75rem .9rem;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: #242424;
  font: inherit;
  text-align: left;
}

.oscf-topic-results button:hover,
.oscf-topic-results button:focus-visible {
  background: #f4f4f4;
}

.oscf-selected-topics {
  display: grid;
  gap: .55rem;
  max-width: 560px;
  margin: .9rem 0 0;
  padding: 0;
  list-style: none;
}

.oscf-selected-topic {
  display: flex;
  align-items: center;
  gap: .7rem;
  min-height: 46px;
  padding: .35rem .8rem;
  border-radius: 14px;
  background: #f7f7f7;
}

.oscf-topic-toggle {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.oscf-topic-mark::before {
  content: "✓";
  color: #46aa75;
  font-size: 1.15rem;
  font-weight: 700;
}

.oscf-topic-toggle:hover .oscf-topic-mark::before,
.oscf-topic-toggle:focus-visible .oscf-topic-mark::before {
  content: "×";
  color: #d63638;
}

.oscf-topic-name {
  color: #242424;
  font-weight: 600;
}

.oscf-selection-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
}

.oscf-button.oscf-button-secondary {
  background: #fff;
  color: #5233ee;
}

.oscf-button.oscf-button-secondary:hover,
.oscf-button.oscf-button-secondary:focus-visible {
  background: #f4f1fd;
}

.oscf-create {
  display: grid;
  gap: .75rem;
}

.oscf-create[hidden] {
  display: none !important;
}

.oscf-create h3,
.oscf-create p {
  margin: 0;
}

.oscf-create .oscf-topic-hint {
  margin-bottom: 1.25rem;
}

.oscf-create .oscf-category-main-label {
  margin-bottom: 1.25rem;
}

.oscf-create label {
  font-weight: 700;
}

.oscf-create textarea {
  width: 100%;
  min-height: 6rem;
  box-sizing: border-box;
  padding: .75rem;
  border: 2px solid #d9d4ea;
  border-radius: 9px;
  font: inherit;
}

.oscf-create-share {
  display: flex;
  gap: .7rem;
  align-items: center;
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
}

.oscf-create-share-input {
  width: 1.35rem;
  height: 1.35rem;
  margin: 0;
  flex: 0 0 auto;
  accent-color: var(--oscf-purple);
}

.oscf-create-status {
  color: #20124d;
}

.oscf-create-saved {
  margin-top: .25rem;
  padding: 1.5rem 1.35rem 1.35rem;
  border: 2px solid rgb(70, 170, 117);
  border-radius: 16px;
  background: #e7f6ee;
}

.oscf-create-saved-message {
  margin: 0 0 1.25rem;
  color: #146c43;
  font-size: 1.2rem;
  font-weight: 700;
}

.oscf-create-saved-message:focus {
  outline: none;
}

.oscf-create-saved .oscf-selection-actions {
  margin: 0;
}

.oscf-my-flashcards {
  grid-column: 1 / -1;
  margin-top: .5rem;
  padding: 1.5rem clamp(1rem, 3vw, 2rem);
  border-radius: 16px;
  background: #f4f4f4;
}

.oscf-my-flashcards-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem 1rem;
  margin-bottom: .75rem;
}

.oscf-my-flashcards h3,
.oscf-mine-topics h4,
.oscf-mine-topic-heading {
  margin: 0 0 .75rem;
  color: #121212;
}

.oscf-my-flashcards-title {
  display: flex;
  align-items: center;
  gap: .75rem;
  min-width: 0;
}

.oscf-my-flashcards-head h3 {
  margin: 0;
}

.oscf-my-flashcards-title .oscf-stats-info {
  margin-left: 0;
  flex-shrink: 0;
}

.oscf-my-flashcards-head .oscf-open-create {
  margin-left: auto;
}

.oscf-my-flashcards .oscf-mine-table-wrap {
  background: #fff;
  border-radius: 12px;
}

.oscf-my-flashcards > .oscf-button,
.oscf-mine-topic-more {
  margin-top: 1rem;
}

.oscf-mine-topics {
  margin-top: 1.75rem;
}

.oscf-mine-topic-result {
  margin-top: 1.25rem;
}

.oscf-mine-topic {
  padding: .7rem 1.4rem;
  border: 2px solid #dedede;
  border-radius: 999px;
  background: #fff;
  color: #242424;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
}

.oscf-mine-topic:hover,
.oscf-mine-topic:focus-visible {
  border-color: #aaa;
  background: #f7f7f7;
}

.oscf-mine-topic.is-selected {
  border-color: rgb(70, 170, 117);
  background: rgb(70, 170, 117);
  color: #fff;
}

.oscf-mine-cards {
  margin-top: 2.5rem;
}

.oscf-mine-cards h3 {
  margin: 0 0 1rem;
  color: #121212;
}

.oscf-mine-table-wrap {
  overflow-x: auto;
}

.oscf-mine-table {
  width: 100%;
  border-collapse: collapse;
}

.oscf-mine-table th,
.oscf-mine-table td {
  padding: .85rem .75rem;
  border-bottom: 1px solid #ece8f8;
  text-align: left;
  vertical-align: top;
}

.oscf-mine-table th {
  color: #5233ee;
  font-weight: 700;
}

.oscf-mine-title,
.oscf-mine-answer {
  white-space: pre-wrap;
}

.oscf-mine-empty {
  margin: 1rem 0 0;
}

.oscf-created-count {
  width: fit-content;
  margin: 0 0 1.5rem;
  padding: .55rem .9rem;
  border-radius: 17px;
  background: #f4f1fd;
  color: #5233ee;
  font-weight: 700;
}

.oscf-app--create .oscf-heading .oscf-created-count {
  margin: 0 0 0 auto;
  flex-shrink: 0;
  text-align: right;
}

.oscf-selection-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  margin: 2rem 0 1rem;
}

.oscf-selection-count {
  width: fit-content;
  margin: 0;
  padding: .8rem 1rem;
  border-radius: 999px;
  background: #f4f4f4;
  color: #353535;
  font-weight: 700;
}

.oscf-selection-mix {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: .55rem .9rem;
  border-radius: 17px;
  background: #f4f1fd;
  color: #5233ee;
  font-weight: 700;
}

.oscf-stats {
  margin-top: 0;
  padding-top: 0;
  padding-left: 2rem;
  border-top: 0;
  border-left: 1px solid #ececec;
}

.oscf-stats[hidden] {
  display: none !important;
}

.oscf-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.oscf-stats.is-loading .oscf-stats-body,
.oscf-stats:not(.is-loading) .oscf-stats-skeleton,
.oscf-stats:not(.is-loading) .oscf-stats-status {
  display: none;
}

.oscf-skeleton {
  display: block;
  border-radius: 999px;
  background: linear-gradient(90deg, #eceaf3 20%, #f8f7fb 45%, #eceaf3 70%);
  background-size: 220% 100%;
  animation: oscf-shimmer 1.35s ease-in-out infinite;
}

.oscf-skeleton-card {
  display: grid;
  align-content: center;
  gap: .55rem;
  min-height: 4.6rem;
  margin: 0;
  padding: 1rem;
  border-radius: 18px;
  background: #f7f7f7;
}

.oscf-skeleton-value {
  width: 46%;
  height: 1.7rem;
}

.oscf-skeleton-label {
  width: 72%;
  height: .7rem;
}

.oscf-skeleton-heading {
  width: 11rem;
  height: .95rem;
  margin: 1.5rem 0 1rem;
}

.oscf-skeleton-line {
  width: min(16rem, 75%);
  height: .75rem;
  margin-bottom: .85rem;
}

.oscf-skeleton-row {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  align-items: center;
  gap: .6rem;
  margin-bottom: .55rem;
}

.oscf-skeleton-name {
  height: .7rem;
}

.oscf-skeleton-bar {
  height: 10px;
}

.oscf-skeleton-weeks {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  align-items: end;
  height: 140px;
  gap: .5rem;
}

.oscf-skeleton-week {
  justify-self: center;
  width: 100%;
  max-width: 28px;
  border-radius: 999px 999px 6px 6px;
}

@keyframes oscf-shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .oscf-skeleton {
    animation: none;
  }
}

.oscf-stats h3,
.oscf-stats h4 {
  margin: 0 0 1rem;
  color: #121212;
}

.oscf-stats-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin: 0 0 1rem;
}

.oscf-stats-head h3 {
  margin: 0;
}

.oscf-stats-info {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-left: auto;
  padding: 0;
  border: 2px solid #5233ee;
  border-radius: 38%;
  background: #f4f1fd;
  color: #5233ee;
  font-family: inherit;
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease;
}

.oscf-stats-info:hover,
.oscf-stats-info:focus-visible {
  background: #5233ee;
  color: #fff;
}

.oscf-progress-guide .oscf-feedback-dialog,
.oscf-mine-guide .oscf-feedback-dialog {
  display: flex;
  flex-direction: column;
  width: min(640px, 100%);
  max-height: min(85vh, 760px);
  overflow: hidden;
  font-size: 18px;
}

.oscf-progress-guide .oscf-feedback-dialog h3,
.oscf-mine-guide .oscf-feedback-dialog h3,
.oscf-progress-guide-body h4,
.oscf-progress-guide-body p,
.oscf-progress-guide-body li {
  font-size: 18px;
}

.oscf-progress-guide-scroll {
  display: flex;
  flex: 1 1 auto;
  align-items: stretch;
  gap: .7rem;
  min-height: 0;
  margin-bottom: 1.25rem;
}

.oscf-progress-guide-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: scroll;
  scrollbar-width: none;
}

.oscf-progress-guide-body::-webkit-scrollbar {
  display: none;
  width: 0;
}

.oscf-progress-guide-bar {
  flex: 0 0 8px;
  position: relative;
  border-radius: 999px;
  background: #f4f1fd;
}

.oscf-progress-guide-bar span {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  border-radius: 999px;
  background: #b7b0d4;
}

.oscf-progress-guide .oscf-progress-guide-dismiss,
.oscf-mine-guide .oscf-progress-guide-dismiss {
  align-self: flex-start;
  font-family: 'BrandonText';
}

.oscf-progress-guide-body h4 {
  margin: 1.15rem 0 .4rem;
  color: #121212;
}

.oscf-progress-guide-body h4:first-child {
  margin-top: 0;
}

.oscf-progress-guide-body p,
.oscf-progress-guide-body ul {
  margin: 0 0 .75rem;
}

.oscf-progress-guide-body ul {
  padding-left: 1.2rem;
}

.oscf-progress-guide-body li + li {
  margin-top: .4rem;
}

.oscf-stats h4 {
  margin-top: 1.5rem;
  font-size: 1rem;
}

.oscf-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
}

.oscf-stat-grid p {
  display: grid;
  gap: .2rem;
  margin: 0;
  padding: 1rem;
  border-radius: 18px;
  background: #f7f7f7;
}

.oscf-stat-grid strong {
  color: rgb(70, 170, 117);
  font-size: 1.8rem;
  line-height: 1;
}

.oscf-stat-grid span,
.oscf-week-label,
.oscf-week-count {
  color: #4d4d4d;
  font-size: .85rem;
}

.oscf-retention {
  margin: 0 0 .8rem;
  color: #4d4d4d;
}

.oscf-rating-chart,
.oscf-forecast {
  display: grid;
  gap: .55rem;
  margin-bottom: 1.25rem;
}

.oscf-rating-row {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr) 2rem;
  align-items: center;
  gap: .6rem;
}

.oscf-bar-track {
  display: block;
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #efefef;
}

.oscf-bar-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: rgb(70, 170, 117);
}

.oscf-week-chart {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: .5rem;
  align-items: end;
  min-height: 160px;
}

.oscf-week {
  display: grid;
  grid-template-rows: auto 110px auto;
  justify-items: center;
  gap: .35rem;
}

.oscf-week-bar {
  align-self: end;
  width: 100%;
  max-width: 28px;
  min-height: 0;
  border-radius: 999px 999px 6px 6px;
  background: rgb(70, 170, 117);
}

.oscf-review-footer:not([hidden]) {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  margin-top: 1.25rem;
}

.oscf-review-footer .oscf-button,
.oscf-selection-actions .oscf-button,
.oscf-mine-table .oscf-button,
.oscf-my-flashcards > .oscf-button,
.oscf-mine-topic-result > .oscf-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  min-height: 44px;
  margin: 0;
  padding: .65rem 1rem;
  border-width: 2px;
  border-style: solid;
  border-radius: 9px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}

.oscf-my-flashcards > .oscf-button,
.oscf-mine-topic-result > .oscf-button {
  margin-top: 1rem;
}

a.oscf-button.oscf-open-create {
  position: relative;
  z-index: 1;
  overflow: visible;
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.oscf-open-create-face {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  min-height: 44px;
  padding: .65rem 1rem;
  border: 2px solid var(--oscf-purple);
  border-radius: 9px;
  background: var(--oscf-purple);
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.oscf-open-create::before,
.oscf-open-create::after {
  position: absolute;
  content: "";
  width: 150%;
  left: 50%;
  height: 100%;
  transform: translateX(-50%);
  z-index: 0;
  background-repeat: no-repeat;
  pointer-events: none;
}

.oscf-open-create:hover::before {
  top: -70%;
  background-image:
    radial-gradient(circle, #5233ee 20%, transparent 20%),
    radial-gradient(circle, transparent 20%, #4ac494 20%, transparent 30%),
    radial-gradient(circle, #7b5cff 20%, transparent 20%),
    radial-gradient(circle, #46aa75 20%, transparent 20%),
    radial-gradient(circle, transparent 10%, #5233ee 15%, transparent 20%),
    radial-gradient(circle, #20124d 20%, transparent 20%),
    radial-gradient(circle, #9b7dff 20%, transparent 20%),
    radial-gradient(circle, #d7fff0 20%, transparent 20%),
    radial-gradient(circle, #e4defa 20%, transparent 20%);
  background-size: 10% 10%, 20% 20%, 15% 15%, 20% 20%, 18% 18%, 10% 10%, 15% 15%, 10% 10%, 18% 18%;
  background-position: 50% 120%;
  animation: oscf-bubbles-top .6s ease forwards;
}

.oscf-open-create:hover::after {
  bottom: -70%;
  background-image:
    radial-gradient(circle, #4ac494 20%, transparent 20%),
    radial-gradient(circle, #5233ee 20%, transparent 20%),
    radial-gradient(circle, transparent 10%, #46aa75 15%, transparent 20%),
    radial-gradient(circle, #20124d 20%, transparent 20%),
    radial-gradient(circle, #7b5cff 20%, transparent 20%),
    radial-gradient(circle, #c4b6ff 20%, transparent 20%),
    radial-gradient(circle, #46aa75 20%, transparent 20%);
  background-size: 15% 15%, 20% 20%, 18% 18%, 20% 20%, 15% 15%, 20% 20%, 18% 18%;
  background-position: 50% 0%;
  animation: oscf-bubbles-bottom .6s ease forwards;
}

.oscf-open-create:active {
  transform: scale(.96);
}

@keyframes oscf-bubbles-top {
  0% {
    background-position: 5% 90%, 10% 90%, 10% 90%, 15% 90%, 25% 90%, 25% 90%, 40% 90%, 55% 90%, 70% 90%;
  }
  50% {
    background-position: 0% 80%, 0% 20%, 10% 40%, 20% 0%, 30% 30%, 22% 50%, 50% 50%, 65% 20%, 90% 30%;
  }
  100% {
    background-position: 0% 70%, 0% 10%, 10% 30%, 20% -10%, 30% 20%, 22% 40%, 50% 40%, 65% 10%, 90% 20%;
    background-size: 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%;
  }
}

@keyframes oscf-bubbles-bottom {
  0% {
    background-position: 10% -10%, 30% 10%, 55% -10%, 70% -10%, 85% -10%, 70% -10%, 70% 0%;
  }
  50% {
    background-position: 0% 80%, 20% 80%, 45% 60%, 60% 100%, 75% 70%, 95% 60%, 105% 0%;
  }
  100% {
    background-position: 0% 90%, 20% 90%, 45% 70%, 60% 110%, 75% 80%, 95% 70%, 110% 10%;
    background-size: 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .oscf-open-create:hover::before,
  .oscf-open-create:hover::after {
    animation: none;
    background-image: none;
  }

  .oscf-open-create:active {
    transform: none;
  }
}

.oscf-report {
  background: #fff;
  color: #9b2335;
  border-color: #9b2335;
}

.oscf-edit-card {
  background: #fff;
  color: var(--oscf-purple);
}

.oscf-edit-card:hover {
  background: #f4f1fd;
}

.oscf-report:hover {
  background: #fff5f5;
}

.oscf-feedback:not([hidden]),
.oscf-guide:not([hidden]),
.oscf-progress-guide:not([hidden]),
.oscf-mine-guide:not([hidden]) {
  position: fixed;
  z-index: 1200;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(27, 3, 48, .45);
}

body > .oscf-feedback.is-screen:not([hidden]) {
  z-index: 100000;
}

.oscf-feedback-dialog {
  position: relative;
  width: min(520px, 100%);
  padding: 1.5rem 1.5rem 1.25rem;
  border-radius: 16px;
  background: #fff;
  color: var(--oscf-ink);
}

.oscf-feedback-dialog h3 {
  margin: 0 2rem .75rem 0;
}

.oscf-guide ul {
  margin: 0 0 1.25rem;
  padding-left: 1.2rem;
}

.oscf-guide li + li {
  margin-top: .55rem;
}

.oscf-feedback-close {
  position: absolute;
  top: .7rem;
  right: .7rem;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 999px;
  background: #f4f1fd;
  color: #5233ee;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.oscf-feedback-form label {
  display: block;
  margin-bottom: .45rem;
  font-weight: 700;
}

.oscf-feedback-message {
  display: block;
  width: 100%;
  min-height: 140px;
  margin-bottom: 1rem;
  padding: .75rem;
  border: 2px solid #d9d3ef;
  border-radius: 12px;
  font: inherit;
  resize: vertical;
}

.oscf-feedback-error {
  margin: 0 0 .75rem;
  color: #9b2335;
}

.oscf-feedback-thanks {
  margin: 0;
  font-weight: 700;
}

.oscf-card {
  cursor: pointer;
  min-height: 260px;
  margin: .75rem 0 1rem;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  border: 2px solid #e3def9;
  border-radius: 14px;
  background: #faf9ff;
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  line-height: 1.55;
}

.oscf-card:focus-visible,
.oscf-button:focus-visible,
.oscf-ratings button:focus-visible,
.oscf-select-field select:focus-visible {
  outline: 3px solid #ffbf47;
  outline-offset: 3px;
}

.oscf-question {
  font-weight: 700;
}

.oscf-answer hr {
  margin: 1.5rem 0;
  border: 0;
  border-top: 1px solid #d9d3ef;
}

.oscf-answer-text {
  font-size: 1em;
}

.oscf-explanation {
  margin-top: 1rem;
  color: #4c475f;
  font-size: clamp(0.95rem, 0.88em, 1.05rem);
}

.oscf-explanation :is(p, li) {
  font-size: inherit;
}

.oscf-source {
  margin: 1.5rem 0 0;
  font-size: .85em;
}

.oscf-button,
.oscf-ratings button {
  min-height: 44px;
  border: 2px solid var(--oscf-purple);
  border-radius: 9px;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.oscf-button {
  padding: .65rem 1rem;
  background: var(--oscf-purple);
  color: #fff;
  font-weight: 700;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.oscf-ratings:not([hidden]) {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .6rem;
  margin-top: 1.5rem;
  padding: 0;
  border: 0;
}

.oscf-ratings[hidden] {
  display: none !important;
}

.oscf-ratings legend {
  width: 100%;
  margin-bottom: .6rem;
  font-weight: 700;
}

.oscf-ratings button {
  display: grid;
  gap: .15rem;
  padding: .7rem .35rem;
  background: #fff;
  color: var(--oscf-ink);
}

.oscf-app .oscf-button:hover:not(:disabled),
.oscf-app .oscf-button:focus-visible:not(:disabled),
.oscf-app .oscf-ratings button:hover,
.oscf-app .oscf-ratings button:focus-visible,
.oscf-app .oscf-open-create:hover .oscf-open-create-face,
.oscf-app .oscf-open-create:focus-visible .oscf-open-create-face {
  background: #f4f1fd;
  color: var(--oscf-purple);
  border-color: var(--oscf-purple);
}

.oscf-ratings button span {
  font-size: .75rem;
  font-family: 'BrandonText-Regular';
}

.oscf-ratings button:disabled,
.oscf-button:disabled {
  cursor: wait;
  opacity: .55;
}

@media (max-width: 900px) {
  .oscf-selection {
    grid-template-columns: minmax(0, 1fr);
  }

  .oscf-stats {
    margin-top: 2rem;
    padding-top: 1.5rem;
    padding-left: 0;
    border-top: 1px solid #ececec;
    border-left: 0;
  }

  .oscf-stat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .oscf-app--selector {
    width: 100%;
    margin: 1.5rem auto;
  }

  .oscf-app--selector .oscf-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .oscf-app--create .oscf-heading {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }

  .oscf-pill-options {
    gap: .6rem;
  }

  .oscf-pill-options span,
  .oscf-app .oscf-category-main span,
  .oscf-app .oscf-category-chip span,
  .oscf-app .oscf-category-browser .oscf-pill-options span {
    padding: .65rem 1rem;
  }

  .oscf-stat-grid,
  .oscf-week-chart {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .oscf-week-chart {
    row-gap: 1rem;
  }

  .oscf-ratings {
    grid-template-columns: repeat(2, 1fr);
  }

  .oscf-card {
    min-height: 220px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .oscf-app * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}