/* quiz.css */

.quiz-hero-media {
  flex: 0 0 360px;
  height: 206px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.quiz-hero-media img {
  width: min(360px, 100%);
  max-height: 240px;
  object-fit: contain;
  filter: drop-shadow(0 22px 28px rgba(15, 23, 42, 0.14));
}

.quiz-layout {
  width: min(100%, 1320px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.quiz-layout .tool-panel {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  border-color: rgba(15, 23, 42, 0.1);
  border-radius: 22px;
  background: #ffffff;
  box-shadow: 0 18px 46px rgba(15, 23, 42, 0.07);
}

@media (min-width: 1200px) {
  .study-page:has(.quiz-layout) {
    --study-suite-max: 1320px;
    padding-left: clamp(24px, 2.25vw, 36px);
    padding-right: clamp(24px, 2.25vw, 36px);
  }

  .study-page:has(.quiz-layout) .study-hero,
  .study-page:has(.quiz-layout) .quiz-layout {
    width: min(100%, var(--study-suite-max));
    max-width: var(--study-suite-max);
    margin-left: auto;
    margin-right: auto;
  }

  .study-page:has(.quiz-layout) .quiz-layout .tool-panel {
    max-width: none;
  }
}

.quiz-layout .tool-panel h2 {
  color: #07111f;
  font-size: 21px;
  font-weight: 750;
  letter-spacing: -0.025em;
}

.quiz-layout .tool-actions .study-primary-btn {
  background: #0b63ce;
  border-color: #0b63ce;
  box-shadow: 0 12px 24px rgba(11, 99, 206, 0.18);
}

.quiz-layout .tool-actions .study-primary-btn:hover {
  background: #0959b9;
  border-color: #0959b9;
}

.quiz-layout.is-empty .quiz-stage {
  display: none;
}

.quiz-stage.is-empty {
  display: none;
}

.quiz-stage {
  width: 100%;
  max-width: 1080px;
  min-height: 0;
  margin: 0 auto;
  scroll-margin-top: 72px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.quiz-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
}

.quiz-top h2 {
  margin: 0;
  color: #0b0f19;
  font-size: clamp(24px, 2.7vw, 32px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.quiz-top p {
  display: none;
  margin: 8px 0 0;
  color: rgba(11, 15, 25, 0.58);
  font-size: 14px;
  font-weight: 550;
}

.quiz-pill {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(11, 99, 206, 0.2);
  background: rgba(11, 99, 206, 0.07);
  color: #0b63ce;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.quiz-stage.is-empty .quiz-progress,
.quiz-stage.is-empty .quiz-map,
.quiz-stage.is-empty .quiz-footer,
.quiz-stage.is-result .quiz-map,
.quiz-stage.is-result .quiz-question-panel,
.quiz-stage.is-result .quiz-footer {
  display: none;
}

.quiz-stage.is-empty .quiz-question-panel {
  margin: auto;
  border: 0;
  box-shadow: none;
  padding: 26px;
}

.quiz-stage.is-empty .quiz-question {
  margin: 0;
  color: rgba(11, 15, 25, 0.52);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.02em;
  text-align: center;
}

.quiz-progress {
  height: 7px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.08);
  overflow: hidden;
}

.quiz-progress span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: #0b63ce;
  transition: width 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.quiz-map {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 2px 0 10px;
}

.quiz-map::-webkit-scrollbar {
  display: none;
}

.quiz-map-btn {
  flex: 0 0 auto;
  min-width: 58px;
  min-height: 48px;
  border: 1px solid rgba(15, 23, 42, 0.11);
  border-radius: 15px;
  background: #ffffff;
  color: rgba(11, 15, 25, 0.7);
  font-size: 15px;
  font-weight: 650;
  cursor: pointer;
  transition:
    border-color 0.18s ease,
    background 0.18s ease,
    color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

.quiz-map-btn:hover {
  border-color: rgba(11, 99, 206, 0.24);
}

.quiz-map-btn.is-answered {
  border-color: rgba(11, 99, 206, 0.22);
  background: rgba(11, 99, 206, 0.06);
  color: #0b63ce;
}

.quiz-map-btn.is-active {
  border-color: #0b63ce;
  background: #0b63ce;
  color: #ffffff;
  box-shadow: 0 8px 18px rgba(11, 99, 206, 0.12);
  transform: translateY(-1px);
}

.quiz-map-btn.is-correct {
  border-color: rgba(22, 163, 74, 0.36);
  background: rgba(22, 163, 74, 0.08);
  color: #15803d;
}

.quiz-map-btn.is-wrong {
  border-color: rgba(220, 38, 38, 0.32);
  background: rgba(220, 38, 38, 0.07);
  color: #b91c1c;
}

.quiz-map-btn.is-active.is-correct,
.quiz-map-btn.is-active.is-wrong {
  color: #ffffff;
}

.quiz-map-btn.is-active.is-correct {
  background: #15803d;
  border-color: #15803d;
}

.quiz-map-btn.is-active.is-wrong {
  background: #dc2626;
  border-color: #dc2626;
}

.quiz-question-panel {
  border: 1px solid rgba(15, 23, 42, 0.09);
  border-radius: 20px;
  background: #ffffff;
  padding: 28px;
  overflow: hidden;
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.06);
}

.quiz-question-panel.is-step-next .quiz-question,
.quiz-question-panel.is-step-next .quiz-option,
.quiz-question-panel.is-step-next .quiz-explanation {
  animation: quizStepNext 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

.quiz-question-panel.is-step-prev .quiz-question,
.quiz-question-panel.is-step-prev .quiz-option,
.quiz-question-panel.is-step-prev .quiz-explanation {
  animation: quizStepPrev 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes quizStepNext {
  from {
    opacity: 0.55;
    transform: translateX(8px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes quizStepPrev {
  from {
    opacity: 0.55;
    transform: translateX(-8px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.quiz-question {
  margin: 0 0 22px;
  color: #0b0f19;
  font-size: clamp(22px, 2.35vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.025em;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.quiz-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
}

.quiz-option {
  width: 100%;
  min-height: 68px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 16px;
  background: #ffffff;
  color: #111827;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  text-align: left;
  font-size: 15px;
  font-weight: 560;
  line-height: 1.36;
  cursor: pointer;
  overflow-wrap: anywhere;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.025);
  transition:
    border-color 0.18s ease,
    background 0.18s ease,
    color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

.quiz-option:hover {
  border-color: rgba(11, 99, 206, 0.26);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.055);
  transform: translateY(-1px);
}

.quiz-option-letter {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: rgba(11, 15, 25, 0.68);
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 700;
}

.quiz-option-text {
  min-width: 0;
}

.quiz-option.is-selected {
  border-color: rgba(11, 99, 206, 0.42);
  background: rgba(11, 99, 206, 0.06);
}

.quiz-option.is-selected .quiz-option-letter {
  background: #0b63ce;
  color: #ffffff;
}

.quiz-option.is-correct {
  border-color: rgba(22, 163, 74, 0.42);
  background: rgba(22, 163, 74, 0.07);
}

.quiz-option.is-correct .quiz-option-letter {
  background: #15803d;
  color: #ffffff;
}

.quiz-option.is-wrong {
  border-color: rgba(220, 38, 38, 0.34);
  background: rgba(220, 38, 38, 0.06);
}

.quiz-option.is-wrong .quiz-option-letter {
  background: #dc2626;
  color: #ffffff;
}

.quiz-option:disabled {
  cursor: default;
}

.quiz-explanation {
  margin-top: 16px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(11, 99, 206, 0.12);
  background: rgba(11, 99, 206, 0.04);
  color: rgba(11, 15, 25, 0.72);
  font-size: 14px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.quiz-explanation[hidden],
.quiz-result[hidden] {
  display: none !important;
}

.quiz-footer {
  padding-top: 2px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.quiz-footer #nextQuestionBtn {
  color: #0b63ce;
}

.quiz-result {
  margin: auto;
  max-width: 560px;
  text-align: center;
}

.quiz-result-score {
  color: #0b63ce;
  font-size: clamp(54px, 10vw, 86px);
  line-height: 0.9;
  letter-spacing: -0.08em;
  font-weight: 700;
}

.quiz-result h2 {
  margin: 16px 0 0;
  color: #0b0f19;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.quiz-result p {
  color: rgba(11, 15, 25, 0.6);
  line-height: 1.5;
}

.quiz-result .study-mini-btn {
  margin-top: 8px;
  min-width: 150px;
}

.difficulty-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 4px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 15px;
  background: #f8fafc;
}

.difficulty-row label {
  position: relative;
  min-width: 0;
}

.difficulty-row input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.difficulty-row span {
  display: grid;
  place-items: center;
  min-height: 36px;
  border-radius: 11px;
  border: 1px solid transparent;
  color: rgba(11, 15, 25, 0.72);
  padding: 0 12px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition:
    border-color 0.18s ease,
    background 0.18s ease,
    color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

.difficulty-row input:focus-visible + span {
  border-color: rgba(11, 99, 206, 0.28);
  box-shadow: 0 0 0 2px rgba(11, 99, 206, 0.06);
}

.difficulty-row input:checked + span {
  border-color: #0b63ce;
  background: #0b63ce;
  color: #ffffff;
  box-shadow: 0 8px 18px rgba(11, 99, 206, 0.18);
  transform: translateY(-1px);
}

.quiz-layout .study-quick-start {
  padding: 14px;
  border-color: rgba(15, 23, 42, 0.11);
  border-radius: 15px;
  background: transparent;
  box-shadow: none;
}

.quiz-layout .study-quick-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.quiz-layout .study-quick-head span {
  color: #07111f;
  font-size: 16px;
  font-weight: 750;
  letter-spacing: -0.01em;
}

.quiz-layout .study-quick-head small {
  color: rgba(11, 15, 25, 0.56);
  font-size: 12px;
  font-weight: 560;
}

.quiz-layout .study-preset-group {
  min-width: 0;
}

.quiz-layout .study-preset-group p {
  margin-bottom: 10px;
  color: rgba(11, 15, 25, 0.54);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.quiz-layout .study-preset-grid {
  gap: 9px 10px;
}

.quiz-layout .study-preset-btn {
  position: relative;
  min-height: 72px;
  border-color: rgba(15, 23, 42, 0.11);
  border-radius: 12px;
  background: #ffffff;
  padding: 14px 18px 13px;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 5px;
  align-content: start;
  align-items: start;
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(15, 23, 42, 0.035),
    0 8px 22px rgba(15, 23, 42, 0.035);
}

.quiz-layout .study-preset-btn::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: #0b63ce;
  border-radius: 12px 0 0 12px;
}

.quiz-layout .study-preset-btn::after {
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(11, 99, 206, 0.12);
  border-radius: 999px;
  background: #eff6ff
    url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='%230b63ce' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M8 12h8'/%3E%3Cpath d='m12 16 4-4-4-4'/%3E%3C/svg%3E")
    center / 18px 18px no-repeat;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.quiz-layout
  .study-preset-group
  + .study-preset-group
  .study-preset-btn::before {
  background: #dcecff;
}

.quiz-layout .study-preset-btn:hover {
  border-color: rgba(11, 99, 206, 0.28);
  background: #fbfdff;
  box-shadow:
    0 1px 0 rgba(15, 23, 42, 0.04),
    0 12px 26px rgba(15, 23, 42, 0.06);
}

.quiz-layout .study-preset-btn:active {
  transform: translateY(0);
}

.quiz-layout .study-preset-icon {
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
  width: auto;
  height: auto;
  max-width: calc(100% - 58px);
  min-height: 0;
  border-radius: 999px;
  background: rgba(15, 76, 129, 0.07);
  color: #0f4c81;
  padding: 3px 7px;
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
}

.quiz-layout .study-preset-group + .study-preset-group .study-preset-icon {
  background: rgba(15, 76, 129, 0.07);
  color: #0f4c81;
}

.quiz-layout .study-preset-copy {
  grid-column: 1;
  grid-row: 2;
  min-width: 0;
  padding-right: 42px;
  display: grid;
  gap: 2px;
}

.quiz-layout .study-preset-title {
  color: #07111f;
  font-size: 14px;
  font-weight: 760;
  line-height: 1.16;
  letter-spacing: -0.01em;
  overflow-wrap: normal;
}

.quiz-layout .study-preset-desc {
  color: rgba(11, 15, 25, 0.62);
  font-size: 12px;
  font-weight: 520;
  line-height: 1.22;
}

.quiz-layout .study-preset-btn .study-preset-arrow {
  display: none !important;
}

.quiz-create-form {
  min-width: 0;
  display: grid;
  gap: 14px 16px;
}

.quiz-control {
  position: relative;
  min-width: 0;
}

.quiz-field-icon {
  position: absolute;
  left: 13px;
  top: 50%;
  z-index: 2;
  width: 20px;
  height: 20px;
  color: rgba(15, 23, 42, 0.52);
  display: grid;
  place-items: center;
  pointer-events: none;
}

.quiz-control:not(.quiz-control-textarea) .quiz-field-icon {
  transform: translateY(-50%);
}

.quiz-control-textarea .quiz-field-icon {
  top: 13px;
}

.quiz-control .study-custom-select {
  min-width: 0;
}

.quiz-create-form .study-field {
  min-width: 0;
  margin-top: 0;
}

.quiz-create-form .study-field label {
  margin-bottom: 7px;
  color: #07111f;
  font-size: 12px;
  font-weight: 680;
  letter-spacing: 0;
  text-transform: none;
}

.quiz-create-form .study-input,
.quiz-create-form .study-select,
.quiz-create-form .study-textarea,
.quiz-create-form .study-custom-select-btn {
  min-height: 48px;
  border-color: rgba(15, 23, 42, 0.13);
  border-radius: 13px;
  background-color: #ffffff;
  color: #07111f;
  font-size: 13.5px;
  box-shadow: inset 0 1px 0 rgba(15, 23, 42, 0.02);
}

.quiz-create-form .study-input,
.quiz-create-form .study-select,
.quiz-create-form .study-custom-select-btn {
  height: 48px;
}

.quiz-create-form .study-input,
.quiz-create-form .study-select,
.quiz-create-form .study-custom-select-btn {
  padding-left: 46px;
}

.quiz-create-form .study-textarea {
  min-height: 126px;
  padding: 14px 14px 14px 46px;
  resize: none;
}

.quiz-create-form .study-input:focus,
.quiz-create-form .study-select:focus,
.quiz-create-form .study-textarea:focus,
.quiz-create-form .study-custom-select-btn:focus-visible {
  border-color: rgba(15, 23, 42, 0.28);
  box-shadow:
    0 0 0 3px rgba(15, 23, 42, 0.05),
    inset 0 1px 0 rgba(15, 23, 42, 0.02);
}

.quiz-control:focus-within .quiz-field-icon {
  color: #0b63ce;
}

.quiz-create-form .study-inline {
  grid-template-columns: minmax(0, 1fr) minmax(112px, 144px);
}

.quiz-create-form .tool-actions {
  margin-top: 0;
}

.quiz-create-form .tool-actions .study-primary-btn {
  min-height: 46px;
  border-radius: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 720;
  box-shadow: 0 6px 14px rgba(11, 99, 206, 0.14);
}

.quiz-create-form .tool-actions .study-primary-btn svg,
.quiz-create-form .tool-actions .study-primary-btn [data-lucide] {
  display: block;
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
  stroke-width: 1.9;
}

.quiz-create-form .tool-actions .study-primary-btn:disabled {
  opacity: 0.78;
  cursor: wait;
}

.quiz-create-form .tool-actions .study-primary-btn.is-loading svg,
.quiz-create-form .tool-actions .study-primary-btn.is-loading [data-lucide] {
  animation: studyGenerateLive 0.9s ease-in-out infinite;
}

@keyframes studyGenerateLive {
  0%,
  100% {
    transform: rotate(0deg) scale(1);
  }

  50% {
    transform: rotate(-10deg) scale(1.08);
  }
}

.quiz-create-form .difficulty-row {
  height: 48px;
  gap: 4px;
  padding: 4px;
  border-color: rgba(15, 23, 42, 0.13);
  border-radius: 13px;
  background: #f7f9fc;
}

.quiz-create-form .difficulty-row label {
  margin: 0;
}

.quiz-create-form .difficulty-row span {
  min-height: 38px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 650;
}

@media (prefers-reduced-motion: reduce) {
  .quiz-progress span,
  .quiz-map,
  .quiz-map-btn,
  .quiz-option,
  .difficulty-row span,
  .quiz-create-form .tool-actions .study-primary-btn.is-loading svg,
  .quiz-create-form .tool-actions .study-primary-btn.is-loading [data-lucide] {
    animation: none;
    scroll-behavior: auto;
    transition: none;
  }

  .quiz-question-panel.is-step-next .quiz-question,
  .quiz-question-panel.is-step-next .quiz-option,
  .quiz-question-panel.is-step-next .quiz-explanation,
  .quiz-question-panel.is-step-prev .quiz-question,
  .quiz-question-panel.is-step-prev .quiz-option,
  .quiz-question-panel.is-step-prev .quiz-explanation {
    animation: none;
  }
}

@media (min-width: 1025px) {
  .study-page:has(.quiz-stage:not(.is-empty):not(.is-result)) {
    padding-top: 24px;
    padding-bottom: 28px;
  }

  .quiz-layout .tool-panel {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 16px 20px;
    padding: 24px;
  }

  .quiz-layout .tool-panel h2,
  .quiz-layout .study-quick-start,
  .quiz-layout .quiz-create-form {
    grid-column: 1 / -1;
    margin-bottom: 0;
  }

  .quiz-layout .study-quick-start {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    padding: 14px;
  }

  .quiz-layout .study-quick-head {
    grid-column: 1 / -1;
    margin-bottom: 0;
  }

  .quiz-layout .study-preset-group + .study-preset-group {
    margin-top: 0;
  }

  .quiz-layout .study-preset-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quiz-layout .quiz-create-form {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .quiz-layout .quiz-create-form > .study-field:has(#quizDeckSelect) {
    grid-column: 1;
  }

  .quiz-layout .quiz-create-form > .study-field:has(.difficulty-row) {
    grid-column: 2;
  }

  .quiz-layout .quiz-create-form > .study-inline {
    grid-column: 1 / 3;
  }

  .quiz-layout .quiz-notes-field {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  .quiz-layout .quiz-notes-field .study-textarea {
    min-height: 130px;
  }

  .quiz-layout .quiz-generate-actions {
    grid-column: 1 / 3;
    align-self: end;
  }

  .quiz-layout .quiz-saved-field {
    grid-column: 3;
  }

  .quiz-stage {
    padding: 18px;
    gap: 11px;
  }

  .quiz-top {
    gap: 14px;
  }

  .quiz-top h2 {
    font-size: clamp(23px, 2.3vw, 30px);
  }

  .quiz-top p {
    margin-top: 5px;
    font-size: 13px;
  }

  .quiz-pill {
    padding: 7px 14px;
    font-size: 14px;
  }

  .quiz-progress {
    height: 6px;
  }

  .quiz-map {
    gap: 9px;
    padding-bottom: 6px;
  }

  .quiz-map-btn {
    min-width: 52px;
    min-height: 42px;
    border-radius: 13px;
    font-size: 14px;
  }

  .quiz-question-panel {
    padding: 22px 24px;
  }

  .quiz-question {
    margin-bottom: 16px;
    font-size: clamp(21px, 2.1vw, 28px);
    line-height: 1.22;
  }

  .quiz-options {
    gap: 11px 13px;
  }

  .quiz-option {
    min-height: 58px;
    padding: 12px 14px;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 11px;
    font-size: 14.5px;
    line-height: 1.35;
  }

  .quiz-option-letter {
    width: 34px;
    height: 34px;
    font-size: 13.5px;
  }

  .quiz-footer {
    gap: 10px;
  }

  .quiz-footer .study-mini-btn {
    min-height: 40px;
    padding: 9px 12px;
    font-size: 13px;
  }
}

@media (max-width: 1024px) {
  .study-page.is-study-mode .study-hero,
  .study-page.is-create-mode .study-hero {
    display: none;
  }

  .quiz-hero-media {
    flex-basis: 230px;
    height: 150px;
  }

  .quiz-layout {
    grid-template-columns: 1fr;
  }

  .quiz-layout .tool-panel {
    order: 1;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 14px;
    align-items: start;
    padding: 20px;
  }

  .quiz-layout.is-study-mode .quiz-stage {
    order: 1;
  }

  .quiz-layout.is-study-mode .tool-panel {
    order: 2;
  }

  .quiz-layout.is-create-mode .tool-panel {
    order: 1;
  }

  .quiz-layout.is-create-mode .quiz-stage {
    order: 2;
  }

  .quiz-layout.is-create-mode .quiz-create-form {
    order: 1;
  }

  .quiz-layout.is-create-mode .study-quick-start {
    order: 2;
  }

  .quiz-layout .tool-panel h2,
  .quiz-layout .study-quick-start,
  .quiz-layout .quiz-create-form {
    grid-column: 1 / -1;
    margin-bottom: 0;
  }

  .quiz-layout .study-quick-start {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    padding: 14px;
  }

  .quiz-layout .study-quick-head {
    grid-column: 1 / -1;
    margin-bottom: 0;
  }

  .quiz-layout .study-preset-group + .study-preset-group {
    margin-top: 0;
  }

  .quiz-layout .study-preset-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quiz-layout .quiz-create-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quiz-layout .quiz-create-form > .study-field:has(#quizDeckSelect),
  .quiz-layout .quiz-create-form > .study-field:has(.difficulty-row),
  .quiz-layout .quiz-generate-actions,
  .quiz-layout .quiz-saved-field {
    grid-column: span 1;
  }

  .quiz-layout .quiz-create-form > .study-inline,
  .quiz-layout .quiz-notes-field {
    grid-column: 1 / -1;
  }

  .quiz-layout .quiz-notes-field .study-textarea {
    min-height: 120px;
  }

  .quiz-stage {
    order: 2;
  }
}

@media (max-width: 900px) {
  .quiz-layout .study-quick-start {
    grid-template-columns: 1fr;
  }

  .quiz-layout .study-preset-group + .study-preset-group {
    margin-top: 0;
  }
}

@media (max-width: 720px) {
  .quiz-hero-media {
    display: none;
  }

  .quiz-stage {
    padding: 16px;
    padding-bottom: calc(14px + var(--safe-bottom));
    border-radius: 18px;
    gap: 11px;
  }

  .quiz-layout .tool-panel {
    display: grid;
    grid-template-columns: 1fr;
    padding: 14px;
    border-radius: 18px;
  }

  .quiz-layout .study-quick-start {
    display: grid;
    grid-template-columns: 1fr;
    gap: 13px;
    padding: 10px;
    border-radius: 16px;
  }

  .quiz-layout .study-quick-head {
    display: block;
    padding-bottom: 10px;
  }

  .quiz-layout .study-quick-head small {
    display: block;
    margin-top: 3px;
    text-align: left;
  }

  .quiz-layout .study-preset-group + .study-preset-group {
    margin-top: 0;
  }

  .quiz-layout .study-preset-grid {
    grid-template-columns: 1fr;
  }

  .quiz-layout .study-preset-btn {
    min-height: 68px;
    padding: 12px 14px 12px 16px;
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .quiz-layout .study-preset-btn::after {
    top: 12px;
    right: 12px;
    width: 24px;
    height: 24px;
    background-size: 16px 16px;
  }

  .quiz-layout .study-preset-icon {
    padding: 3px 6px;
    font-size: 9.5px;
  }

  .quiz-layout .study-preset-copy {
    padding-right: 34px;
  }

  .quiz-layout .study-preset-title {
    font-size: 13.5px;
    line-height: 1.15;
  }

  .quiz-layout .study-preset-desc {
    font-size: 11.5px;
    line-height: 1.2;
  }

  .quiz-layout .quiz-create-form {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .quiz-layout .quiz-create-form > .study-field,
  .quiz-layout .quiz-create-form > .study-inline,
  .quiz-layout .quiz-generate-actions,
  .quiz-layout .quiz-saved-field {
    grid-column: 1 / -1;
  }

  .quiz-create-form .study-inline {
    grid-template-columns: 1fr;
  }

  .quiz-create-form .study-textarea {
    min-height: 104px;
  }

  .quiz-top {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .quiz-top h2 {
    font-size: 22px;
  }

  .quiz-pill {
    justify-self: start;
    padding: 6px 10px;
    font-size: 12px;
  }

  .quiz-map {
    gap: 8px;
    padding-bottom: 6px;
  }

  .quiz-map-btn {
    min-width: 44px;
    min-height: 40px;
    border-radius: 12px;
    font-size: 13px;
  }

  .quiz-question-panel {
    padding: 16px;
    border-radius: 18px;
  }

  .quiz-question {
    margin-bottom: 14px;
    font-size: clamp(18px, 4.6vw, 21px);
    line-height: 1.22;
  }

  .quiz-options {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .quiz-option {
    min-height: 54px;
    border-radius: 15px;
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 10px;
    padding: 12px;
    font-size: 13.5px;
    line-height: 1.34;
  }

  .quiz-option-letter {
    width: 32px;
    height: 32px;
    font-size: 12.5px;
  }

  .quiz-footer {
    position: sticky;
    bottom: calc(8px + var(--safe-bottom));
    z-index: 12;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin: 0 -6px -6px;
    padding: 8px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
    backdrop-filter: blur(14px);
  }

  .quiz-footer .study-mini-btn {
    width: 100%;
    min-height: 44px;
    padding: 9px 8px;
    font-size: 12px;
  }

  .quiz-footer #prevQuestionBtn {
    order: 1;
  }

  .quiz-footer #nextQuestionBtn {
    order: 2;
  }

  .quiz-footer #finishQuizBtn {
    order: 3;
  }

  .quiz-footer #deleteQuizBtn {
    order: 4;
    grid-column: auto;
  }
}

@media (max-width: 360px) {
  .quiz-layout .study-preset-grid {
    grid-template-columns: 1fr;
  }

  .quiz-layout .study-preset-btn {
    min-height: 70px;
    padding: 11px 12px 11px 14px;
  }

  .quiz-layout .study-preset-title {
    font-size: 13.5px;
  }

  .quiz-layout .study-preset-desc {
    font-size: 11.5px;
  }
}

@media (max-width: 380px) {
  .quiz-stage {
    padding: 14px;
  }

  .quiz-question-panel {
    padding: 16px 14px;
  }

  .difficulty-row span {
    padding: 0 8px;
    font-size: 11px;
  }
}