/* ============================================
   SCREENSHOT TO PDF — Premium Styles
   Dark AI SaaS theme with glassmorphism
   ============================================ */

/* ─── Upload Zone ─── */
.stp-upload-zone {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  margin-bottom: 20px;
  border: 2px dashed rgba(59,130,246,0.2);
  border-radius: 20px;
  background: rgba(17,24,39,0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  min-height: 200px;
}

.stp-upload-zone:hover {
  border-color: rgba(59,130,246,0.4);
  background: rgba(17,24,39,0.6);
  box-shadow: 0 0 40px rgba(59,130,246,0.06);
}

.stp-upload-zone.drag-over {
  border-color: rgba(59,130,246,0.6);
  background: rgba(59,130,246,0.08);
  box-shadow: 0 0 60px rgba(59,130,246,0.1);
  transform: scale(1.01);
}

.stp-upload-zone.has-files {
  border-style: solid;
  border-color: rgba(34,197,94,0.3);
  background: rgba(34,197,94,0.04);
  padding: 24px;
  min-height: auto;
}

.stp-file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.stp-upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  z-index: 1;
  pointer-events: none;
}

.stp-upload-icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.15);
  color: #3b82f6;
  transition: all 0.3s ease;
}

.stp-upload-zone:hover .stp-upload-icon {
  background: rgba(59,130,246,0.14);
  border-color: rgba(59,130,246,0.25);
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(59,130,246,0.1);
}

.stp-upload-title {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary, #eeeeff);
}

.stp-upload-hint {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.85rem;
  color: var(--text-muted, #6b6b8a);
}

.stp-upload-hint strong {
  color: #3b82f6;
  font-weight: 600;
}

.stp-upload-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 20px;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  color: #22c55e;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  margin-top: 4px;
}

.stp-upload-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(59,130,246,0.06) 0%, transparent 70%);
  pointer-events: none;
  transition: all 0.4s ease;
}

.stp-upload-zone:hover .stp-upload-glow {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(59,130,246,0.1) 0%, transparent 70%);
}

/* ─── Preview Grid ─── */
.stp-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 8px;
  margin-bottom: 20px;
  padding: 12px;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--glass-border, rgba(255,255,255,0.06));
  border-radius: 16px;
  min-height: 0;
  transition: all 0.3s ease;
}

.stp-preview-grid:empty {
  display: none;
}

.stp-preview-grid .stp-preview-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--glass-border, rgba(255,255,255,0.08));
  background: rgba(0,0,0,0.3);
  transition: all 0.25s ease;
  animation: stpPreviewIn 0.3s ease-out;
}

@keyframes stpPreviewIn {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}

.stp-preview-grid .stp-preview-item:hover {
  border-color: rgba(59,130,246,0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.stp-preview-grid .stp-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.stp-preview-grid .stp-preview-item .stp-preview-name {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 4px 6px;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.6rem;
  color: rgba(255,255,255,0.7);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stp-preview-grid .stp-preview-item .stp-preview-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: rgba(255,107,107,0.85);
  color: #fff;
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 3;
}

.stp-preview-grid .stp-preview-item:hover .stp-preview-remove {
  opacity: 1;
}

/* ─── Options Card ─── */
.stp-options-card {
  padding: 24px;
  background: var(--glass-bg, rgba(255,255,255,0.04));
  border: 1px solid var(--glass-border, rgba(255,255,255,0.08));
  border-radius: var(--card-radius, 20px);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.stp-options-row {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.stp-option-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stp-option-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted, #6b6b8a);
}

.stp-option-label svg {
  opacity: 0.6;
}

.stp-select-wrap {
  position: relative;
}

.stp-select-wrap select {
  width: 100%;
  padding: 10px 32px 10px 12px;
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--glass-border, rgba(255,255,255,0.08));
  border-radius: 10px;
  color: var(--text-primary, #eeeeff);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  transition: all 0.25s ease;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b6b8a' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.stp-select-wrap select:hover {
  border-color: var(--glass-border-hover, rgba(255,255,255,0.14));
}

.stp-select-wrap select:focus {
  border-color: rgba(59,130,246,0.4);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.08);
}

.stp-select-wrap select option {
  background: #1a1f35;
  color: #eeeeff;
}

/* ─── Convert Button ─── */
.stp-convert-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 24px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #fff;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 24px rgba(59,130,246,0.3);
  position: relative;
  overflow: hidden;
}

.stp-convert-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.08) 50%, transparent 100%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.stp-convert-btn:hover::before {
  transform: translateX(100%);
}

.stp-convert-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(59,130,246,0.4);
}

.stp-convert-btn:active {
  transform: translateY(0) scale(0.98);
}

.stp-convert-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* ─── Output ─── */
.stp-output {
  margin-top: 14px;
  padding: 12px 16px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--glass-border, rgba(255,255,255,0.06));
  border-radius: 12px;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.85rem;
  color: var(--text-muted, #6b6b8a);
  text-align: center;
  min-height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.stp-output:empty {
  display: none;
}

/* ─── Download Button ─── */
.stp-download-btn {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 24px;
  margin-top: 10px;
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: 12px;
  background: rgba(34,197,94,0.08);
  color: #22c55e;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stp-download-btn:hover {
  background: rgba(34,197,94,0.14);
  border-color: rgba(34,197,94,0.45);
  box-shadow: 0 0 24px rgba(34,197,94,0.08);
  transform: translateY(-1px);
}

.stp-download-btn:active {
  transform: translateY(0) scale(0.98);
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .stp-upload-zone {
    padding: 32px 16px;
    min-height: 160px;
  }

  .stp-upload-icon {
    width: 56px;
    height: 56px;
  }

  .stp-upload-icon svg {
    width: 36px;
    height: 36px;
  }

  .stp-upload-title {
    font-size: 0.95rem;
  }

  .stp-upload-hint {
    font-size: 0.78rem;
  }

  .stp-options-row {
    flex-direction: column;
    gap: 12px;
  }

  .stp-preview-grid {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 6px;
    padding: 8px;
  }

  .stp-options-card {
    padding: 16px;
  }

  .stp-convert-btn {
    padding: 12px 20px;
    font-size: 0.88rem;
  }
}

@media (max-width: 400px) {
  .stp-preview-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}