.pdf-locker {
  max-width: 1100px;
  margin: 0 auto;
}

.pdf-locker__tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.pdf-locker__tab {
  border: 0;
  border-radius: 999px;
  padding: 0.65rem 1.25rem;
  font-weight: 600;
  background: #f1f5f9;
  color: #0f172a;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.08);
}

.pdf-locker__tab:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary, #0d6efd) 45%, transparent);
}

.pdf-locker__tab.is-active {
  background: var(--primary, #0d6efd);
  color: #fff;
  box-shadow: 0 0.5rem 1.5rem color-mix(in srgb, var(--primary, #0d6efd) 45%, transparent);
}

.pdf-locker__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.pdf-locker__card {
  background: #fff;
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 0.75rem 2rem rgba(15, 23, 42, 0.08);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.pdf-locker.is-tabbed .pdf-locker__card {
  display: none;
}

.pdf-locker.is-tabbed .pdf-locker__card.is-active {
  display: flex;
}

.pdf-locker__header {
  margin-bottom: 1rem;
}

.pdf-locker__badge {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: inline-block;
}

.pdf-locker__dropzone {
  border: 2px dashed rgba(13, 110, 253, 0.4);
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  cursor: pointer;
  margin-bottom: 1rem;
}

.pdf-locker__dropzone:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(13, 110, 253, 0.35);
}

.pdf-locker__dropzone.is-active {
  border-color: #0d6efd;
  background: rgba(13, 110, 253, 0.05);
}

.pdf-locker__dropzone.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pdf-locker__file {
  font-weight: 500;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  background: rgba(15, 23, 42, 0.03);
  margin-bottom: 1rem;
}

.pdf-locker__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.pdf-locker__status {
  margin-top: 1rem;
  min-height: 1.5rem;
}

.pdf-locker__download {
  margin-top: 0.5rem;
}

.pdf-locker__privacy {
  font-size: 0.9rem;
}

@media (max-width: 575px) {
  .pdf-locker__actions {
    flex-direction: column;
  }
}

body.dark-mode .pdf-locker__tab {
  background: #1e293b;
  color: #cbd5f5;
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.4);
}

body.dark-mode .pdf-locker__tab.is-active {
  background: var(--primary, #2563eb);
  box-shadow: 0 0.5rem 1.5rem color-mix(in srgb, var(--primary, #2563eb) 60%, transparent);
}

body.dark-mode .pdf-locker__card {
  background: #0f172a;
  box-shadow: 0 1rem 2.25rem rgba(0, 0, 0, 0.65);
}

body.dark-mode .pdf-locker__dropzone {
  border-color: rgba(148, 163, 184, 0.35);
  background: rgba(15, 23, 42, 0.8);
  color: #e2e8f0;
}

body.dark-mode .pdf-locker__dropzone.is-active {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
}

body.dark-mode .pdf-locker__file {
  background: rgba(148, 163, 184, 0.1);
  color: #f8fafc;
}

body.dark-mode .pdf-locker__card .text-muted {
  color: #94a3b8 !important;
}