:root {
  --primary: #0b1654;
  --tile-bg: #ffffff;
  --text: #0b1654;
  --success: #16a34a;
  --success-100: #dcfce7;
}

.upload-section {
  max-width: 980px;
  margin: 40px auto 56px;
  padding: 0 16px;
  text-align: center;
}

.upload-title {
  margin: 0 0 12px;
  font-weight: 800;
  font-size: 28px;
  line-height: 1.2;
  color: var(--primary);
  text-align: center;
}

.upload-grid {
  display: flex;
  gap: 50px;
  align-items: stretch;
  justify-content: center;
  margin: 0 auto 40px;
}

@media (max-width:700px) {
  .upload-grid { grid-template-columns: 1fr; gap: 32px; flex-direction: column; }
}

.upload-card {
  width: 100%;
  min-height: 260px;
  background: var(--tile-bg);
  border-radius: 32px;
  display: grid;
  grid-template-rows: auto auto auto auto 1fr;
  grid-template-areas:
    "title"
    "icon"
    "text"
    "opts"
    "list";
  align-items: start;
  padding: 32px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border: 2px solid transparent;
  transition: border-color .2s ease, background-color .2s ease;
}

.upload-card-title {
  grid-area: title;
  margin: 0 0 12px;
  font-weight: 800;
  font-size: 20px;
  line-height: 1.2;
  color: var(--primary);
  text-align: center;
}

.upload-icon {
  grid-area: icon;
  justify-self: center;
  font-size: 4rem !important;
  color: var(--primary);
  line-height: 1;
  margin-top: 2px;
}

.upload-text {
  grid-area: text;
  justify-self: center;
  color: var(--text);
  font-size: 18px;
  line-height: 1.4;
  margin: 6px 0 8px;
  text-align: center;
}

.upload-sub {
  font-weight: 500;
  opacity: .8;
  font-size: 16px;
}

.option-list {
  grid-area: opts;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 12px 0 12px;
}

.option-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 0 rgba(0,0,0,.02);
  cursor: pointer;
  transition: border-color .2s ease, box-shadow .2s ease, transform .1s ease;
}

.option-item:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 10px rgba(0,0,0,.08);
  transform: translateY(-1px);
}

.option-icon { font-size: 22px; color: var(--primary); }
.option-text { color: var(--text); font-weight: 600; font-size: 15px; }

.dz-list {
  grid-area: list;
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: none;
  padding: 12px 0 0;
  margin: 0;
}

.dz-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dz-unharmonized { order: 0; }
.dz-standard { order: 1; }

.dz-item {
  display: grid;
  grid-template-columns: clamp(2.2rem, 3.5vw, 2.8rem) 1fr auto;
  gap: 0.6rem;
  align-items: start;
  border: none;
  border-radius: 20px;
  padding: 16px;
  background-color: transparent;
  position: relative;
}

.dz-file-icon {
  font-size: clamp(1.8rem, 3.2vw, 2.3rem);
  line-height: 1;
  font-size: 45px;
  align-self: start;
  margin-top: .15rem;
  color: #94a3b8;
}

.dz-meta { display: flex; flex-direction: column; min-width: 0; margin-bottom: 8px; }
.dz-file-name { font-weight: 500; color: #111827; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dz-file-size { font-size: 12px; opacity: .7; }

.dz-progress {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  position: relative;
}

.progress { height: 8px; background: #eef1f7; border-radius: 999px; overflow: hidden; }
.progress__bar { height: 100%; width: 0%; background: #c7cfdf; transition: width .5s ease; }
.progress--done .progress__bar { background: var(--success); }

.dz-percent { font-size: 12px; color: #6b7280; }
.dz-status { position: absolute; right: 0; top: -18px; font-size: 12px; color: #6b7280; }
.dz-status--done { color: var(--success); font-weight: 600; }
.dz-remove { align-self: start; justify-self: end; color: #9ca3af; }

#upload-a:not([disabled]), #upload-b:not([disabled]) { background: var(--primary) !important; color: #fff !important; }
#upload-a[disabled], #upload-b[disabled] { background: #e5e7eb !important; color: #9ca3af !important; box-shadow: none !important; }

#upload-a, #upload-b, #next-step {
  border-radius: 999px !important; padding: 10px 26px !important; text-transform: none !important;
  font-weight: 600 !important; letter-spacing: .2px !important; font-size: .875rem !important;
}

.upload-card.is-done { background: var(--success-100); border-color: var(--success); cursor: default; }
.upload-card.is-done .upload-icon { color: var(--primary) !important; }
.upload-card.is-done .upload-text, .upload-card.is-done .upload-sub { color: var(--primary); }
.upload-card.is-partial { background: #fff; border: 2px solid var(--success); }

.upload-next { display: block; margin-left: auto; margin-right: 0; background-color: var(--primary) !important; color: #fff !important; }
.upload-next[disabled] { background: #e5e7eb !important; color: #9ca3af !important; box-shadow: none !important; cursor: default; }
.upload-next:hover { background-color: color-mix(in srgb, var(--primary) 90%, black 10%) !important; }
.upload-next { transform: scale(1.2); transform-origin: center; }


.upload-slot > .dz-list {
  grid-area: auto;
}

.upload-slot > .option-item {
  width: 100%;
}

.upload-slot > .dz-list:empty {
  display: none;
}