.toefl-petra-cards,
.toefl-petra-cards * {
  box-sizing: border-box;
}

.toefl-petra-cards {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding: 36px 0 100px;
  color: #17352b;
}

.toefl-petra-cards [hidden] {
  display: none !important;
}

.toefl-petra-cards button,
.toefl-petra-cards input,
.toefl-petra-cards textarea,
.toefl-petra-cards select {
  font: inherit;
}

.toefl-petra-cards nav {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
  color: #71847d;
}

.toefl-petra-cards nav > a {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid #dde6e1;
  border-radius: 50%;
  background: white;
}

.toefl-petra-cards nav svg {
  width: 22px;
  fill: none;
  stroke: #17352b;
  stroke-width: 2;
}

.toefl-petra-cards nav span a {
  color: #71847d;
  text-decoration: none;
}

.toefl-petra-tabs {
  display: inline-flex;
  padding: 4px;
  border-radius: 13px;
  background: #e8eeeb;
}

.toefl-petra-tabs button {
  min-width: 210px;
  padding: 12px 22px;
  border: 0;
  border-radius: 10px;
  color: #60746d;
  font-weight: 760;
  background: transparent;
}

.toefl-petra-tabs button.is-active {
  color: #17352b;
  background: white;
  box-shadow: 0 4px 12px rgba(18, 58, 49, .08);
}

.toefl-petra-input-card {
  margin-top: 14px;
  padding: 20px;
  border: 1px solid #dce5e0;
  border-radius: 22px;
  background: white;
  box-shadow: 0 16px 42px rgba(30, 70, 56, .06);
}

.toefl-petra-input-card label,
.toefl-petra-drafts label {
  display: grid;
  gap: 8px;
  color: #61756e;
  font-weight: 700;
}

.toefl-petra-input-card textarea,
.toefl-petra-input-card select,
.toefl-petra-input-card input,
.toefl-petra-drafts input,
.toefl-petra-drafts textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid #d7e2dd;
  border-radius: 13px;
  padding: 13px 14px;
  color: #17352b;
  background: #f7f9f8;
}

.toefl-petra-prompt > div {
  position: relative;
}

.toefl-petra-prompt textarea {
  min-height: 140px;
  padding-right: 64px;
  resize: vertical;
}

.toefl-petra-prompt button {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: #2f755e;
  background: white;
  box-shadow: 0 4px 16px rgba(23, 53, 43, .1);
}

.toefl-petra-prompt button svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.toefl-petra-upload {
  position: relative;
  min-height: 430px;
  place-items: center;
  align-content: center;
  padding: 36px;
  border: 2px dashed #cbdad3;
  border-radius: 18px;
  text-align: center;
  background: #fafcfb;
  cursor: pointer;
}

.toefl-petra-upload input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.toefl-petra-upload svg {
  width: 54px;
  fill: none;
  stroke: #789087;
  stroke-width: 1.6;
}

.toefl-petra-upload small {
  color: #84948e;
  font-weight: 500;
}

.toefl-petra-upload span {
  min-width: 280px;
  margin-top: 22px;
  padding: 14px 22px;
  border-radius: 14px;
  color: white;
  font-weight: 820;
  background: #2f755e;
}

#toefl-petra-file-name {
  margin: 10px 0 0;
  color: #607a70;
  text-align: center;
}

.toefl-petra-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 16px;
}

.toefl-petra-generate {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-width: 190px;
  margin: 26px auto 0;
  padding: 14px 24px;
  border: 1px solid #2f755e;
  border-radius: 999px;
  color: white;
  font-weight: 820;
  background: #2f755e;
}

.toefl-petra-generate svg {
  width: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}

#toefl-petra-cards-status {
  min-height: 24px;
  color: #52756b;
  text-align: center;
}

.toefl-petra-drafts {
  margin-top: 42px;
}

.toefl-petra-drafts > header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 18px;
}

.toefl-petra-drafts > header p {
  margin: 0;
  color: #2f755e;
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.toefl-petra-drafts h2 {
  margin: 6px 0 0;
  font-size: 2rem;
}

.toefl-petra-drafts > header button {
  padding: 13px 20px;
  border: 0;
  border-radius: 13px;
  color: white;
  font-weight: 820;
  background: #2f755e;
}

.toefl-petra-deck-title {
  margin: 18px 0;
  padding: 18px;
  border: 1px solid #dce5e0;
  border-radius: 17px;
  background: white;
}

#toefl-petra-draft-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.toefl-petra-drafts article {
  padding: 18px;
  border: 1px solid #dbe5e0;
  border-radius: 19px;
  background: white;
}

.toefl-petra-drafts article > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.toefl-petra-drafts article > header span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  font-weight: 800;
  background: #edf4f0;
}

.toefl-petra-drafts article > header button {
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  color: #6b7b75;
  font-size: 1.25rem;
  background: #f2f5f3;
}

.toefl-petra-drafts article > div {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 12px;
}

.toefl-petra-drafts article > label {
  margin-top: 12px;
}

.toefl-petra-drafts textarea {
  resize: vertical;
}

.toefl-petra-loading {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(12, 40, 33, .7);
  backdrop-filter: blur(5px);
}

.toefl-petra-loading > div {
  max-width: 430px;
  padding: 38px;
  border-radius: 26px;
  text-align: center;
  background: white;
}

.toefl-petra-loading span {
  display: grid;
  width: 78px;
  height: 78px;
  place-items: center;
  margin: 0 auto 18px;
  border-radius: 26px;
  color: #2f755e;
  background: #e4f3ed;
  animation: toefl-petra-pulse 1.5s infinite;
}

.toefl-petra-loading svg {
  width: 42px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}

@keyframes toefl-petra-pulse {
  50% {
    transform: scale(1.06);
    box-shadow: 0 0 0 14px rgba(201, 238, 145, .18);
  }
}

@media (max-width: 680px) {
  .toefl-petra-cards {
    width: min(100% - 24px, 1080px);
    padding-top: 24px;
  }

  .toefl-petra-tabs {
    display: flex;
  }

  .toefl-petra-tabs button {
    min-width: 0;
    flex: 1;
    padding-inline: 10px;
  }

  .toefl-petra-options,
  .toefl-petra-drafts article > div {
    grid-template-columns: 1fr;
  }

  .toefl-petra-upload {
    min-height: 340px;
  }

  .toefl-petra-upload span {
    min-width: 0;
    width: 100%;
  }

  .toefl-petra-drafts > header {
    align-items: start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .toefl-petra-loading span {
    animation: none;
  }
}