.spt-watermark {
  box-sizing: border-box;
  max-width: 860px;
  margin: 2rem auto;
  padding: clamp(1rem, 3vw, 2rem);
  border: 1px solid #d9dde3;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(17, 24, 39, 0.08);
  color: #172033;
}
.spt-watermark *, .spt-watermark *::before, .spt-watermark *::after { box-sizing: inherit; }
.spt-watermark [hidden] { display: none !important; }
.spt-watermark__header { margin-bottom: 1.25rem; text-align: center; }
.spt-watermark__title { margin: 0 0 .5rem; font-size: clamp(1.75rem, 4vw, 2.5rem); line-height: 1.15; }
.spt-watermark__intro { max-width: 700px; margin: 0 auto; color: #526076; line-height: 1.65; }
.spt-watermark__dropzone {
  display: flex; min-height: 250px; padding: 2rem 1rem; align-items: center; justify-content: center;
  flex-direction: column; gap: .65rem; border: 2px dashed #8b98aa; border-radius: 16px;
  background: #f8fafc; cursor: pointer; text-align: center;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
.spt-watermark__dropzone:hover, .spt-watermark__dropzone:focus, .spt-watermark__dropzone.is-drag-over { border-color: #3157d5; background: #eef3ff; outline: none; }
.spt-watermark__dropzone.is-drag-over { transform: scale(1.01); }
.spt-watermark__drop-title { font-size: 1.25rem; font-weight: 700; }
.spt-watermark__drop-subtitle, .spt-watermark__limits, .spt-watermark__file-meta, .spt-watermark__help, .spt-watermark__result-meta { color: #667085; }
.spt-watermark__limits { margin: .75rem 0 0; text-align: center; font-size: .9rem; }
.spt-watermark__workspace { margin-top: 1.5rem; }
.spt-watermark__file-card, .spt-watermark__result {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem 1rem;
  border: 1px solid #d9dde3; border-radius: 12px; background: #f8fafc;
}
.spt-watermark__file-details, .spt-watermark__result-details { min-width: 0; display: flex; flex-direction: column; gap: .2rem; }
.spt-watermark__file-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.spt-watermark__file-meta, .spt-watermark__result-meta { font-size: .88rem; }
.spt-watermark__scope, .spt-watermark__position { margin: 1.25rem 0 0; padding: 1rem; border: 1px solid #d9dde3; border-radius: 12px; }
.spt-watermark__scope legend, .spt-watermark__position legend { padding: 0 .35rem; font-weight: 700; }
.spt-watermark__scope-option { display: flex; align-items: flex-start; gap: .65rem; padding: .65rem 0; cursor: pointer; }
.spt-watermark__scope-option + .spt-watermark__scope-option { border-top: 1px solid #edf0f4; }
.spt-watermark__scope-option input { margin-top: .25rem; }
.spt-watermark__scope-option span { display: flex; flex-direction: column; gap: .1rem; }
.spt-watermark__scope-option small { color: #667085; line-height: 1.45; }
.spt-watermark__pages-field, .spt-watermark__text-field { margin-top: 1rem; }
.spt-watermark__pages-field label, .spt-watermark__text-field label, .spt-watermark__field label { display: block; margin-bottom: .4rem; font-weight: 700; }
.spt-watermark__pages, .spt-watermark__text, .spt-watermark__size, .spt-watermark__opacity, .spt-watermark__rotation {
  width: 100%; min-height: 46px; padding: .7rem .8rem; border: 1px solid #aeb7c5; border-radius: 10px;
  background: #fff; color: #172033; font: inherit;
}
.spt-watermark__pages:focus, .spt-watermark__text:focus, .spt-watermark__size:focus, .spt-watermark__opacity:focus, .spt-watermark__rotation:focus {
  border-color: #3157d5; outline: 3px solid rgba(49,87,213,.18); outline-offset: 1px;
}
.spt-watermark__help { margin: .45rem 0 0; font-size: .88rem; }
.spt-watermark__help code { padding: .1rem .3rem; border-radius: 4px; background: #eef1f5; color: #172033; }
.spt-watermark__options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .9rem; margin-top: 1.25rem; }
.spt-watermark__position-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .7rem; }
.spt-watermark__position-grid label { cursor: pointer; }
.spt-watermark__position-input { position: absolute; opacity: 0; pointer-events: none; }
.spt-watermark__position-grid span {
  display: flex; min-height: 54px; align-items: center; justify-content: center; padding: .55rem .65rem;
  border: 1px solid #cfd5df; border-radius: 10px; background: #fff; text-align: center;
}
.spt-watermark__position-input:checked + span { border-color: #3157d5; background: #eef3ff; box-shadow: 0 0 0 2px rgba(49,87,213,.12); }
.spt-watermark__position-input:focus-visible + span { outline: 3px solid rgba(49,87,213,.22); outline-offset: 2px; }
.spt-watermark__notice { max-width: 700px; margin: 1rem auto 0; padding: .8rem .95rem; border: 1px solid #d9dde3; border-radius: 10px; background: #f8fafc; color: #526076; font-size: .9rem; line-height: 1.55; text-align: center; }
.spt-watermark-button { appearance: none; display: inline-flex; align-items: center; justify-content: center; border: 0; border-radius: 10px; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; transition: transform .15s ease, opacity .15s ease, background .15s ease; }
.spt-watermark-button:hover:not(:disabled) { transform: translateY(-1px); }
.spt-watermark-button:focus-visible { outline: 3px solid rgba(49,87,213,.28); outline-offset: 2px; }
.spt-watermark-button:disabled { cursor: not-allowed; opacity: .48; }
.spt-watermark-button--primary { min-width: 200px; padding: .85rem 1.25rem; background: #3157d5; color: #fff; }
.spt-watermark-button--secondary { margin-top: .35rem; padding: .75rem 1.1rem; background: #172033; color: #fff; }
.spt-watermark-button--text { padding: .5rem; background: transparent; color: #3157d5; }
.spt-watermark-button--download { flex: 0 0 auto; padding: .65rem .9rem; background: #3157d5; color: #fff; }
.spt-watermark__actions { display: flex; justify-content: center; margin-top: 1.35rem; }
.spt-watermark__result { margin-top: 1.5rem; background: #fff; }
.spt-watermark__status { min-height: 1.5em; margin-top: 1rem; text-align: center; line-height: 1.5; }
.spt-watermark__status--success { color: #176b3a; }
.spt-watermark__status--error, .spt-watermark__error { color: #a61b1b; }
@media (max-width: 700px) {
  .spt-watermark__options, .spt-watermark__position-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .spt-watermark { margin: 1rem auto; border-radius: 14px; }
  .spt-watermark__dropzone { min-height: 210px; }
  .spt-watermark__file-card, .spt-watermark__result { align-items: stretch; flex-direction: column; }
  .spt-watermark-button--download { width: 100%; }
}
.spt-watermark__type { margin: 1.25rem 0 0; padding: 1rem; border: 1px solid #d9dde3; border-radius: 12px; }
.spt-watermark__type legend { padding: 0 .35rem; font-weight: 700; }
.spt-watermark__type-option { display: flex; align-items: flex-start; gap: .65rem; padding: .65rem 0; cursor: pointer; }
.spt-watermark__type-option + .spt-watermark__type-option { border-top: 1px solid #edf0f4; }
.spt-watermark__type-option input { margin-top: .25rem; }
.spt-watermark__type-option span { display: flex; flex-direction: column; gap: .1rem; }
.spt-watermark__type-option small { color: #667085; line-height: 1.45; }
.spt-watermark__image-field { margin-top: 1rem; }
.spt-watermark__image-field label { display: block; margin-bottom: .4rem; font-weight: 700; }
.spt-watermark__image { width: 100%; padding: .65rem; border: 1px solid #aeb7c5; border-radius: 10px; background: #fff; color: #172033; font: inherit; }
.spt-watermark__image:focus { border-color: #3157d5; outline: 3px solid rgba(49,87,213,.18); outline-offset: 1px; }