.samp3 {
  --samp3-bg: #ffffff;
  --samp3-surface: #f7f7f8;
  --samp3-text: #171717;
  --samp3-muted: #666a73;
  --samp3-border: #dedfe3;
  --samp3-accent: #1f66ff;
  --samp3-accent-2: #1552d6;
  --samp3-success: #16794d;
  --samp3-error: #b42318;
  color: var(--samp3-text);
  background: var(--samp3-bg);
  border: 1px solid var(--samp3-border);
  border-radius: 22px;
  padding: clamp(20px, 4vw, 36px);
  max-width: 820px;
  margin: 28px auto;
  box-shadow: 0 16px 44px rgba(0,0,0,.07);
  font: inherit;
}

.samp3 * { box-sizing: border-box; }
.samp3 [hidden] { display: none !important; }

.samp3__header {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
}

.samp3__eyebrow {
  margin: 0 0 7px;
  color: var(--samp3-accent);
  font-size: 12px;
  line-height: 1;
  font-weight: 750;
  letter-spacing: .12em;
}

.samp3__title {
  margin: 0;
  font-size: clamp(28px, 5vw, 42px);
  line-height: 1.05;
  letter-spacing: -.035em;
}

.samp3__lead {
  color: var(--samp3-muted);
  margin: 10px 0 0;
  max-width: 610px;
  line-height: 1.55;
}

.samp3__privacy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--samp3-success);
  background: color-mix(in srgb, var(--samp3-success) 9%, transparent);
  border: 1px solid color-mix(in srgb, var(--samp3-success) 22%, transparent);
  padding: 8px 11px;
  border-radius: 999px;
}

.samp3__privacy-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.samp3__drop {
  position: relative;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 7px;
  border: 1.5px dashed #b9bcc5;
  border-radius: 18px;
  background: var(--samp3-surface);
  cursor: pointer;
  transition: .18s ease;
  outline: none;
  padding: 30px 20px;
}

.samp3__drop:hover,
.samp3__drop:focus-visible,
.samp3__drop.is-dragging {
  border-color: var(--samp3-accent);
  background: color-mix(in srgb, var(--samp3-accent) 6%, var(--samp3-surface));
  transform: translateY(-1px);
}

.samp3__input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
  pointer-events: none;
}

.samp3__drop-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: var(--samp3-accent);
  background: color-mix(in srgb, var(--samp3-accent) 10%, transparent);
  margin-bottom: 5px;
}

.samp3__drop strong { font-size: 18px; }
.samp3__drop span { color: var(--samp3-muted); }
.samp3__drop small { color: var(--samp3-muted); opacity: .82; margin-top: 8px; }

.samp3__file {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--samp3-border);
  border-radius: 16px;
  padding: 15px;
  background: var(--samp3-surface);
}

.samp3__file-main { display: flex; gap: 13px; align-items: center; min-width: 0; }
.samp3__file-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--samp3-accent) 10%, transparent);
  color: var(--samp3-accent);
  font-size: 21px;
  flex: 0 0 auto;
}

.samp3__file-text { min-width: 0; }
.samp3__file-text strong,
.samp3__file-text span { display: block; }
.samp3__file-text strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.samp3__file-text span { color: var(--samp3-muted); font-size: 13px; margin-top: 3px; }

.samp3__icon-button {
  border: 0;
  background: transparent;
  color: var(--samp3-muted);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 26px;
  line-height: 1;
}
.samp3__icon-button:hover { background: rgba(127,127,127,.12); color: var(--samp3-text); }

.samp3__options {
  display: grid;
  grid-template-columns: minmax(220px, .8fr) 1.2fr;
  gap: 16px;
  margin-top: 18px;
  align-items: end;
}

.samp3__field span {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 7px;
}

.samp3__field select {
  width: 100%;
  min-height: 46px;
  border-radius: 12px;
  border: 1px solid var(--samp3-border);
  background: var(--samp3-bg);
  color: var(--samp3-text);
  padding: 0 12px;
  font: inherit;
}

.samp3__estimate {
  min-height: 46px;
  display: flex;
  align-items: center;
  color: var(--samp3-muted);
  font-size: 13px;
  line-height: 1.45;
}

.samp3__convert {
  width: 100%;
  border: 0;
  border-radius: 13px;
  min-height: 52px;
  padding: 0 18px;
  margin-top: 18px;
  background: var(--samp3-accent);
  color: #fff;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
  transition: .16s ease;
}

.samp3__convert:hover:not(:disabled) { background: var(--samp3-accent-2); transform: translateY(-1px); }
.samp3__convert:disabled { opacity: .45; cursor: not-allowed; }

.samp3__progress-wrap { margin-top: 18px; }
.samp3__progress-head { display: flex; justify-content: space-between; gap: 15px; font-size: 13px; margin-bottom: 8px; }
.samp3__progress-head span { color: var(--samp3-muted); }
.samp3__progress {
  height: 9px;
  border-radius: 999px;
  overflow: hidden;
  background: color-mix(in srgb, var(--samp3-text) 10%, transparent);
}
.samp3__progress span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--samp3-accent);
  transition: width .2s ease;
}

.samp3__result {
  margin-top: 18px;
  border: 1px solid color-mix(in srgb, var(--samp3-success) 24%, transparent);
  background: color-mix(in srgb, var(--samp3-success) 7%, var(--samp3-bg));
  border-radius: 14px;
  padding: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.samp3__result strong,
.samp3__result span { display: block; }
.samp3__result span { margin-top: 3px; font-size: 13px; color: var(--samp3-muted); }

.samp3__download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 10px;
  background: var(--samp3-success);
  color: #fff !important;
  text-decoration: none !important;
  font-weight: 700;
  white-space: nowrap;
}

.samp3__notice {
  margin-top: 15px;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.45;
  background: var(--samp3-surface);
  border: 1px solid var(--samp3-border);
}
.samp3__notice[data-type="error"] { color: var(--samp3-error); border-color: color-mix(in srgb, var(--samp3-error) 25%, transparent); background: color-mix(in srgb, var(--samp3-error) 6%, var(--samp3-bg)); }

.samp3__footnote {
  margin: 16px 2px 0;
  color: var(--samp3-muted);
  font-size: 12px;
  line-height: 1.45;
}

@media (prefers-color-scheme: dark) {
  .samp3 {
    --samp3-bg: #151618;
    --samp3-surface: #1d1f22;
    --samp3-text: #f4f5f6;
    --samp3-muted: #a7abb3;
    --samp3-border: #30343a;
    box-shadow: 0 16px 44px rgba(0,0,0,.22);
  }
}

@media (max-width: 640px) {
  .samp3 { border-radius: 16px; padding: 18px; }
  .samp3__header { display: block; }
  .samp3__privacy { margin-top: 14px; }
  .samp3__drop { min-height: 205px; }
  .samp3__options { grid-template-columns: 1fr; gap: 5px; }
  .samp3__estimate { min-height: auto; margin-top: 4px; }
  .samp3__result { align-items: stretch; flex-direction: column; }
  .samp3__download { width: 100%; }
}