.converter [hidden] { display: none !important; }
.converter-intro { padding: 58px 0 88px; }
.converter-title { font-size: clamp(2.6rem, 5.6vw, 4.6rem); line-height: 1.06; }
.converter-gradient {
  color: var(--color-accent);
  background: linear-gradient(110deg, #0a84ff 12%, #0096dc 65%, #00aaa9);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.converter-lead { max-width: 38em; font-size: 1.1rem; }
.converter-privacy {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 22px;
  color: #287363; font-size: 13px; font-weight: 600;
}
.converter-privacy .icon { width: 18px; height: 18px; }
.converter-workspace { max-width: 1056px; margin: 42px auto 0; padding: 0 24px; }
.converter-card {
  padding: 32px; border: 1px solid var(--hairline); border-radius: 28px; background: #fff;
  box-shadow: 0 20px 70px -25px rgba(9, 33, 76, .15), 0 2px 8px rgba(9, 33, 76, .025);
}
.converter-step { display: flex; align-items: center; gap: 11px; }
.converter-step > span {
  display: grid; place-items: center; width: 28px; height: 28px; flex: 0 0 auto;
  border-radius: 50%; background: var(--color-paper-100); color: var(--color-dim);
  font-size: 11px; font-weight: 800; letter-spacing: .02em;
}
.converter-step h2 { font-size: 16px; font-weight: 800; letter-spacing: -.02em; }
.converter-step--input { margin: 30px 0 16px; }
.converter-formats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.converter-format {
  display: flex; align-items: center; gap: 14px; min-width: 0; padding: 20px;
  text-align: left; border: 1px solid var(--hairline); border-radius: 18px;
  background: #fff; cursor: pointer; transition: border-color .15s, background .15s, box-shadow .15s;
}
.converter-format:hover { border-color: rgba(10,132,255,.45); background: #fafcff; }
.converter-format.is-selected { border-color: var(--color-accent); background: #f4f9ff; box-shadow: 0 0 0 1px var(--color-accent); }
.converter-format__icon { display: flex; color: var(--color-accent-warm); }
.converter-format__icon .icon { width: 30px; height: 30px; stroke-width: 1.5; }
.converter-format strong { display: block; font-size: 16px; font-weight: 800; }
.converter-format small { display: block; margin-top: 4px; color: var(--color-mute); font-size: 12px; }
.converter-format__check { margin-left: auto; color: var(--color-accent); opacity: 0; }
.converter-format__check .icon { width: 18px; height: 18px; }
.is-selected .converter-format__check { opacity: 1; }
.converter-inputs { display: grid; gap: 20px; }
.converter-drop {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 282px; padding: 32px 24px; text-align: center; border-radius: 18px;
  border: 1.5px dashed #bdcfe4; background: linear-gradient(145deg, #f8fbff, #f3f8fc);
  transition: border-color .15s, background .15s, box-shadow .15s;
}
.converter-drop.over { border-color: var(--color-accent); background: #eaf5ff; box-shadow: inset 0 0 0 2px rgba(10,132,255,.1); }
.converter-upload {
  display: grid; place-items: center; width: 58px; height: 58px; margin-bottom: 16px;
  border-radius: 18px; background: #e8f1ff; color: var(--color-accent);
}
.converter-upload .icon { width: 28px; height: 28px; stroke-width: 1.6; }
.converter-drop h3 { font-weight: 800; font-size: 18px; letter-spacing: -.025em; }
.converter-drop > p { color: var(--color-mute); font-size: 13px; margin-top: 7px; }
.converter-drop > .btn { margin-top: 20px; min-height: 46px; font-size: 14px; }
.converter-drop .converter-drop__hint { display: flex; align-items: center; gap: 6px; margin-top: 18px; font-size: 11px; color: var(--color-dim); }
.converter-drop__hint .icon { width: 14px; height: 14px; }
.converter-version { display: flex; justify-content: center; align-items: center; gap: 7px; margin-top: 19px; color: var(--color-mute); font-size: 11px; }
.converter-version .icon { width: 14px; height: 14px; flex: 0 0 auto; }
.converter-paste { display: flex; flex-direction: column; min-width: 0; }
.converter-paste label { font-size: 14px; font-weight: 800; }
.converter-paste p { color: var(--color-mute); font-size: 12px; line-height: 1.6; margin-top: 5px; }
.converter-input {
  display: block; width: 100%; min-width: 0; min-height: 172px; flex: 1; resize: vertical;
  margin: 14px 0 18px; padding: 16px; border-radius: 14px; border: 1px solid var(--hairline);
  background: #f8fafc; color: var(--color-ink); font: 12px/1.7 ui-monospace, SFMono-Regular, Consolas, monospace;
}
.converter-input::placeholder { color: var(--color-dim); }
.converter-paste > .btn { align-self: flex-start; min-height: 46px; font-size: 14px; }
.converter button:focus-visible, .converter-input:focus-visible { outline: 3px solid rgba(10,132,255,.5); outline-offset: 4px; }
.converter button:disabled { opacity: .5; cursor: not-allowed; }
.converter-notice { margin-top: 24px; padding: 20px; border-radius: 16px; background: var(--color-paper-100); font-size: 14px; }
.converter-notice h3 { font-size: 16px; font-weight: 800; margin-bottom: 8px; }
.converter-notice p { line-height: 1.6; }
.converter-notice .btn { margin-top: 18px; min-height: 42px; font-size: 13px; }
.converter-notice--error { border: 1px solid #f3c8cb; background: #fff6f6; }
.converter-notice--error h3 { color: #b52b38; }
#error-detail { overflow-wrap: anywhere; margin-top: 10px; font-size: 12px; color: var(--color-mute); }
#busy { display: flex; align-items: center; gap: 12px; }
.converter-spinner { width: 20px; height: 20px; border: 2px solid #d1e7ff; border-top-color: var(--color-accent); border-radius: 50%; animation: converter-spin .8s linear infinite; }
@keyframes converter-spin { to { transform: rotate(360deg); } }
.converter-result { padding-top: 48px; }
.converter-result > h2 { font-size: clamp(1.7rem, 3.5vw, 2.7rem); line-height: 1.15; margin-bottom: 24px; text-align: center; }
.converter-result .level { padding: 26px; margin-top: 16px; background: #fff; border: 1px solid var(--hairline); border-radius: 22px; overflow-wrap: anywhere; }
.converter-result .level h3 { font-size: 20px; font-weight: 800; margin-bottom: 10px; }
.converter-result .stats { color: var(--color-mute); font-size: 13px; line-height: 1.7; margin-bottom: 20px; }
.converter-download { min-height: 46px; font-size: 14px; }
.converter-result .notes-title { margin-top: 24px; font-size: 13px; font-weight: 800; }
.converter .notes { list-style: disc; padding-left: 18px; margin-top: 12px; color: var(--color-mute); font-size: 12px; line-height: 1.8; }
.converter .notes li + li { margin-top: 5px; }
.converter-next { padding: 26px; margin-top: 24px; background: #eef5fc; border-radius: 22px; }
.converter-next h3 { font-size: 16px; font-weight: 800; }
.converter-next ol { list-style: decimal; padding-left: 20px; margin-top: 14px; color: var(--color-mute); font-size: 13px; line-height: 1.8; }
.converter-next li + li { margin-top: 9px; }
.converter-guide { padding: 76px 0 84px; }
.converter-guide__title { text-align: center; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.08; }
.converter-guide__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 48px; }
.converter-guide__step > span { color: var(--color-accent-warm); font: 600 32px/1 var(--font-display); }
.converter-guide__step h3 { font-size: 17px; font-weight: 800; margin-top: 18px; letter-spacing: -.02em; }
.converter-guide__step p { margin-top: 10px; color: var(--color-mute); font-size: 14px; line-height: 1.8; }
@media (min-width: 800px) { .is-easy .converter-inputs { grid-template-columns: 1fr 1fr; } }
@media (max-width: 639px) {
  .converter-intro { padding: 38px 0 52px; }
  .converter-title { font-size: clamp(2.35rem, 9vw, 3.3rem); }
  .converter-lead { font-size: 15px; }
  .converter-privacy { font-size: 11px; }
  .converter-workspace { margin-top: 30px; padding: 0 16px; }
  .converter-card { padding: 22px 18px; border-radius: 22px; }
  .converter-step h2 { font-size: 14px; }
  .converter-formats { grid-template-columns: 1fr; gap: 10px; margin-top: 16px; }
  .converter-format { padding: 15px; gap: 12px; border-radius: 14px; }
  .converter-format strong { font-size: 14px; }
  .converter-format small { font-size: 11px; }
  .converter-format__icon .icon { width: 26px; height: 26px; }
  .converter-step--input { margin-top: 24px; }
  .converter-drop { min-height: 270px; padding: 26px 16px; }
  .converter-drop h3 { font-size: 16px; }
  .converter-drop .converter-drop__hint { font-size: 10px; }
  .converter-version { align-items: flex-start; font-size: 10px; line-height: 1.5; }
  .converter-guide { padding: 52px 0; }
  .converter-guide__grid { grid-template-columns: 1fr; gap: 30px; margin-top: 34px; }
  .converter-guide__step { padding-left: 48px; position: relative; }
  .converter-guide__step > span { position: absolute; left: 0; top: 0; font-size: 24px; }
  .converter-guide__step h3 { margin-top: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .converter-format, .converter-drop { transition: none; }
  .converter-spinner { animation: none; }
}