.learn-page {
  background: radial-gradient(60% 35% at 80% 0%, rgba(120, 225, 213, 0.08), transparent 70%), var(--bg);
}
#deposit-calculator[hidden] {
  display: none;
}
.deposit-threshold {
  display: flex;
  align-items: baseline;
  gap: 20px;
  color: var(--muted);
}
.deposit-threshold strong {
  color: var(--teal);
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 800;
}
.deposit-threshold strong span {
  font-size: 20px;
}
#deposit-calculator > p {
  color: var(--text-2);
  line-height: 1.7;
}
.rate-box {
  background: rgba(14, 24, 34, 0.7);
  border: 1px solid var(--line-2);
  padding: 28px;
  border-radius: 12px;
  margin: 30px 0;
}
.rate-box h3 {
  margin-top: 0;
  font-size: 23px;
}
#rate-value {
  color: var(--teal);
  font-size: 18px;
}
.rate-inputs {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  margin: 24px 0;
}
.rate-inputs label {
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--text-2);
  font-size: 14px;
  min-width: 0;
}
.rate-inputs input {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--line-2);
  background: var(--bg);
  padding: 16px 12px;
  color: #fff;
  border-radius: 6px;
  font-size: 24px;
}
.rate-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.rate-controls button {
  padding: 10px 14px;
  border: 1px solid var(--line-2);
  background: transparent;
  color: var(--teal);
  border-radius: 5px;
  cursor: pointer;
}
.rate-controls button:disabled,
.rate-inputs input:disabled {
  opacity: 0.5;
  cursor: default;
}
.rate-controls button:focus-visible,
.rate-inputs input:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}
.rate-inputs input[aria-invalid="true"] {
  border-color: var(--red);
}
#rate-status {
  font-size: 13px;
  color: var(--text-2);
}
.rate-box .learn-note a {
  color: var(--teal);
  text-decoration: underline;
}
@media (max-width: 600px) {
  .rate-box {
    padding: 20px;
  }
  .rate-inputs {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .rate-inputs > span {
    text-align: center;
  }
}

#question-guide[hidden],
#guide-copy[hidden] {
  display: none;
}
.question-hint {
  color: var(--muted);
  font-size: 14px;
}
#question-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 32px;
  scroll-margin-top: 110px;
}
#question-nav a {
  padding: 11px 14px;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  font-size: 14px;
  line-height: 1.5;
}
#question-nav a[aria-current="page"] {
  color: var(--teal-ink);
  background: var(--teal);
  border-color: var(--teal);
}
#question-nav a:focus-visible,
.question-image:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 4px;
}
#question-title {
  font-size: 26px;
  line-height: 1.5;
  margin: 0 0 10px;
  scroll-margin-top: 110px;
}
#question-intro {
  color: var(--text-2);
  line-height: 1.8;
  margin: 0 0 28px;
}
.question-row {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  align-items: center;
  gap: 30px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.question-image {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 16px;
  background: rgba(14, 24, 34, 0.7);
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: zoom-in;
}
.question-image img {
  display: block;
  width: 100%;
  height: 340px;
  object-fit: contain;
}
.question-image span {
  color: var(--muted);
  font-size: 12px;
}
.question-copy h4 {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.5;
  margin: 0 0 14px;
}
.question-copy p {
  color: var(--text);
  line-height: 1.85;
  margin: 0;
}
.question-copy .question-reason {
  color: var(--muted);
  font-size: 14px;
  margin-top: 14px;
}
.question-copy .question-app {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 10px;
  border-radius: 4px;
  background: #78e1d515;
  color: var(--teal);
  font-size: 13px;
  font-weight: 600;
}
.question-row-text {
  grid-template-columns: 1fr;
}
#question-check {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: #78e1d50c;
  border-left: 2px solid var(--teal);
  padding: 18px 20px;
  line-height: 1.8;
  color: var(--text-2);
}
#question-check strong {
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
}
@media (max-width: 960px) {
  .question-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .question-image img {
    height: 320px;
  }
  .question-copy h4 {
    font-size: 19px;
  }
}
.learn-main {
  max-width: 1400px;
  margin: auto;
  padding: calc(var(--header-h) + clamp(48px, 7vw, 96px)) var(--gutter) 35px;
}
.learn-heading {
  padding: 0 0 65px;
  border-bottom: 1px solid var(--line);
}
.learn-heading h1 {
  font-size: clamp(40px, 6vw, 88px);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.2;
  margin: 22px 0;
}
.learn-heading h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--teal) 10%, #c9f5ef 45%, var(--gold) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.learn-heading > p:last-child {
  color: var(--muted);
  line-height: 1.8;
}
.learn-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 7%;
  padding: 55px 0 80px;
}
.learn-sidebar h2 {
  font-size: 12px;
  font-weight: 800;
  color: var(--muted);
  letter-spacing: 0.1em;
  margin: 0 0 15px;
}
.learn-sidebar nav {
  display: flex;
  flex-direction: column;
  margin-bottom: 34px;
  gap: 4px;
}
.learn-sidebar nav a {
  padding: 11px 15px;
  border-left: 2px solid transparent;
  border-radius: 0 6px 6px 0;
  line-height: 1.6;
  font-size: 14px;
  color: var(--text-2);
  transition: 0.2s;
}
.learn-sidebar nav a[aria-current="page"] {
  border-color: var(--teal);
  background: #78e1d511;
  color: var(--teal);
}
.learn-sidebar nav a:hover {
  background: #ffffff08;
}
.learn-sidebar nav a[data-child] {
  padding-left: 28px;
  font-size: 13px;
}
.learn-lab-link {
  font-size: 14px;
  color: var(--teal);
}
.learn-content {
  min-width: 0;
}
.learn-content > h2 {
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 800;
  line-height: 1.5;
  margin: 16px 0 30px;
  letter-spacing: -0.025em;
}
.learn-copy {
  font-size: 16px;
  color: var(--text-2);
  line-height: 2.05;
  overflow-wrap: anywhere;
}
.learn-copy p {
  margin: 0 0 23px;
  white-space: pre-line;
}
.learn-copy a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 5px;
}
.learn-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0 50px;
}
.method-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 30px;
}
.method-options[hidden],
#gallery-section[hidden] {
  display: none;
}
.method-options a {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  padding: 24px;
  gap: 14px;
}
.method-options small {
  color: var(--teal);
  font: 11px var(--f-mono);
}
.method-options strong {
  font-size: 19px;
  font-weight: 800;
}
.method-options span {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}
.method-options a:hover {
  border-color: var(--teal);
}
.gallery-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 30px;
}
.gallery-heading h3 {
  font-size: 22px;
  font-weight: 800;
}
.gallery-heading span {
  color: var(--teal);
  font: 12px var(--f-mono);
}
.learn-note {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.9;
}
.learn-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 25px;
}
.learn-gallery figure {
  margin: 0;
  min-width: 0;
}
.learn-gallery button {
  display: block;
  width: 100%;
  height: 260px;
  padding: 12px;
  border: 1px solid var(--line);
  background: rgba(14, 24, 34, 0.7);
  border-radius: 10px;
  cursor: zoom-in;
}
.learn-gallery img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.learn-gallery figcaption {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.8;
  padding-top: 12px;
}
.learn-support {
  border-left: 2px solid var(--teal);
  padding: 8px 0 8px 22px;
  margin-top: 48px;
}
.learn-support p {
  color: var(--muted);
  font-size: 13px;
}
.learn-support a {
  font-size: 18px;
  color: var(--teal);
}
.learn-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 2;
}
.learn-footer a {
  display: block;
  margin-top: 12px;
}
#image-dialog {
  width: min(1000px, 95vw);
  max-height: 95svh;
  padding: 20px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--line-2);
  border-radius: 15px;
  overflow: auto;
}
#image-dialog::backdrop {
  background: #000d;
  backdrop-filter: blur(8px);
}
.viewer-tools,
.viewer-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.viewer-tools button,
.viewer-nav button {
  border: 1px solid var(--line-2);
  background: rgba(120, 225, 213, 0.08);
  border-radius: 6px;
  color: var(--teal);
  padding: 10px 15px;
  cursor: pointer;
}
.viewer-tools span {
  color: var(--muted);
  font: 12px var(--f-mono);
}
#full-image {
  display: block;
  max-width: 100%;
  max-height: 70svh;
  object-fit: contain;
  margin: 20px auto;
}
#image-scroll {
  overflow: auto;
  max-height: 70svh;
}
#lesson-notes {
  margin: 38px 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  max-width: 760px;
}
#lesson-notes h3 {
  margin: 0 0 28px;
  font-size: 24px;
  font-weight: 800;
}
#lesson-notes section + section {
  margin-top: 30px;
}
#lesson-notes h4 {
  color: var(--text);
  font-size: 19px;
  line-height: 1.6;
  margin: 0 0 12px;
  font-weight: 800;
}
#lesson-notes p {
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.95;
  margin: 0 0 12px;
  overflow-wrap: anywhere;
}
#image-scroll.zoomed #full-image {
  width: 1200px;
  max-width: none;
  max-height: none;
}
#image-scroll:focus-visible,
#zoom-image:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}
#image-caption {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
}
.viewer-nav button:disabled {
  opacity: 0.3;
  cursor: default;
}
@media (max-width: 760px) {
  .learn-main {
    padding: calc(var(--header-h) + 32px) var(--gutter) 25px;
  }
  .learn-heading {
    padding-bottom: 28px;
  }
  .learn-layout {
    display: block;
    padding-top: 30px;
  }
  .learn-sidebar h2 {
    margin-top: 12px;
  }
  .learn-sidebar nav {
    flex-direction: row;
    overflow-x: auto;
    margin-bottom: 24px;
    padding-bottom: 8px;
    gap: 8px;
  }
  .learn-sidebar nav a,
  .learn-sidebar nav a[data-child] {
    flex-shrink: 0;
    border: 1px solid var(--line-2);
    border-radius: 5px;
    padding: 8px 12px;
    font-size: 12px;
  }
  .learn-lab-link {
    display: none;
  }
  .learn-content {
    border-top: 1px solid var(--line);
    padding-top: 35px;
  }
  .learn-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 15px;
  }
  .learn-gallery button {
    height: 240px;
  }
  .learn-copy {
    font-size: 15px;
  }
  .method-options {
    grid-template-columns: 1fr;
  }
  .learn-content > h2 {
    font-size: 27px;
  }
}
.sr-questions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 28px;
}
.sr-questions a,
.sr-toggle {
  border: 1px solid var(--line-2);
  color: var(--text-2);
  padding: 10px 13px;
  font-size: 12px;
  background: transparent;
  border-radius: 4px;
}
.sr-questions a[aria-current="page"] {
  color: #78e1d5;
  border-color: #78e1d5;
  background: #78e1d510;
}
#support-lesson h3 {
  font-size: 25px;
  margin: 0 0 12px;
}
.sr-explanation {
  max-width: 620px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-2);
}
.sr-figure {
  margin: 24px 0;
  padding: 20px;
  border: 1px solid var(--line-2);
  background: rgba(14, 24, 34, 0.7);
  border-radius: 8px;
}
.sr-figure figcaption {
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 16px;
}
.sr-figure svg {
  display: block;
  width: 100%;
  height: auto;
}
.sr-toggle {
  cursor: pointer;
  margin-top: 12px;
}
.sr-followup {
  display: block;
  padding: 17px;
  border: 1px solid #78e1d570;
  color: #78e1d5;
  font-size: 15px;
}
.sr-source {
  font-size: 11px;
  color: var(--muted);
}
#support-lesson a:focus-visible,
.sr-toggle:focus-visible {
  outline: 2px solid #78e1d5;
  outline-offset: 4px;
}
@media (max-width: 600px) {
  .sr-figure {
    padding: 12px 8px;
  }
  .sr-questions a {
    font-size: 12px;
    padding: 10px;
  }
  #support-lesson h3 {
    font-size: 22px;
  }
  .sr-explanation {
    font-size: 14px;
  }
}
@media (max-width: 600px) {
  .sr-figure svg text {
    font-size: 18px;
  }
}

/* Official desktop screenshots need room for the full trading interface. */
.futures-guide .question-row {
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}
.futures-guide .question-image img {
  height: auto;
  max-height: 520px;
}
.futures-guide .question-copy {
  max-width: 680px;
}
.futures-guide #question-intro a {
  color: var(--teal);
}

/* ---------- design-system layer (header, buttons, entry card, panels) ---------- */
.learn-heading .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--muted);
}
.learn-heading .eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, var(--teal), transparent);
}
.learn-content > .eyebrow {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--teal);
}
.academy-guide-entry {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 36px;
  padding: 26px 30px;
  border-radius: var(--r-l);
  background:
    radial-gradient(90% 160% at 0% 0%, rgba(120, 225, 213, 0.14), transparent 60%),
    linear-gradient(180deg, rgba(20, 33, 45, 0.7), rgba(10, 17, 26, 0.75));
  box-shadow: inset 0 0 0 1px rgba(120, 225, 213, 0.3);
  transition:
    transform 0.5s var(--ease),
    box-shadow 0.4s;
}
.academy-guide-entry:hover {
  transform: translateY(-3px);
  box-shadow:
    inset 0 0 0 1px rgba(120, 225, 213, 0.6),
    0 24px 60px -30px rgba(120, 225, 213, 0.5);
}
.academy-guide-entry small {
  display: block;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--teal);
}
.academy-guide-entry strong {
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 900;
}
.academy-guide-entry > span:last-child {
  display: grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--teal);
  color: var(--teal-ink);
  font-weight: 900;
}
.learn-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  align-self: start;
}
.learn-sidebar h2 {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--dim);
}
.learn-sidebar nav a {
  border-radius: 10px;
  border-left: 0;
}
.learn-sidebar nav a[aria-current="page"] {
  box-shadow: inset 2px 0 0 var(--teal);
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  transition:
    transform 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}
.button:hover {
  transform: translateY(-2px);
}
.button-primary {
  background: var(--teal);
  color: var(--teal-ink);
  box-shadow: 0 12px 40px -12px rgba(120, 225, 213, 0.7);
}
.button-quiet {
  background: rgba(237, 242, 237, 0.04);
  box-shadow: inset 0 0 0 1px var(--line-2);
}
.rate-box,
.method-options a,
.question-image,
.learn-gallery button,
.sr-figure {
  border-color: var(--line) !important;
  border-radius: var(--r-m);
  background: linear-gradient(180deg, rgba(20, 33, 45, 0.6), rgba(10, 17, 26, 0.7));
}
.method-options a {
  transition:
    transform 0.4s var(--ease),
    border-color 0.3s;
}
.method-options a:hover {
  transform: translateY(-3px);
  border-color: rgba(120, 225, 213, 0.5) !important;
}
#question-nav a,
.sr-questions a,
.sr-toggle,
.rate-controls button,
.viewer-tools button,
.viewer-nav button {
  border-radius: 999px;
}
.rate-inputs input {
  border-radius: 12px;
  font-family: var(--f-display);
  font-weight: 700;
}
#image-dialog {
  border-radius: var(--r-l);
  background: var(--bg-2);
}
.learn-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: var(--dim);
}
.learn-footer a {
  margin-top: 0;
  color: var(--teal);
  white-space: nowrap;
}
@media (max-width: 760px) {
  .learn-sidebar {
    position: static;
  }
  .learn-sidebar nav a[aria-current="page"] {
    box-shadow: none;
    border-color: var(--teal);
  }
  .learn-footer {
    flex-direction: column;
  }
  .academy-guide-entry {
    padding: 20px;
  }
}
.exchange-logo {
  display: inline-block;
  width: 78px;
  height: 27px;
  object-fit: contain;
  vertical-align: middle;
}
.bingx-logo {
  filter: brightness(0) invert(0.92);
}
.bitopro-logo {
  padding: 3px 0;
}