:root {
    --sp-accent: #10b981;
    --sp-accent-dark: #0d9668;
    --sp-navy: #1e2a4a;
    --sp-border: #d1d5db;
  }
  .sp-wrap { max-width: 720px; margin: 0 auto; }

  .sp-sub { color: var(--sp-navy); font-weight: 600; font-size: 15px; margin-bottom: 22px; text-align:center; }

  #spFileInput { display: none; }

  .sp-drop {
    border: 2px dashed var(--sp-accent); border-radius: 12px; padding: 46px 20px; text-align: center;
    cursor: pointer; transition: border-color .15s, background .15s; background: #f0fdf9;
  }
  .sp-drop:hover, .sp-drop.sp-dragover { border-color: var(--sp-accent-dark); background: #e3fbf3; }
  .sp-drop svg { width: 42px; height: 42px; color: var(--sp-accent); margin-bottom: 10px; }
  .sp-drop-text { font-size: 15px; font-weight: 700; color: var(--sp-navy); }
  .sp-drop-sub { font-size: 13px; color: #4b5563; margin-top: 5px; }
  .sp-wrap.sp-has-file .sp-drop { display: none; }

  .sp-file-info {
    display: none; align-items: center; gap: 14px; background: #fff; border: 1px solid var(--sp-border);
    border-radius: 10px; padding: 14px 16px; margin-top: 4px;
  }
  .sp-wrap.sp-has-file .sp-file-info { display: flex; }
  .sp-file-icon {
    flex-shrink: 0; width: 42px; height: 42px; border-radius: 8px; background: #fef2f2; color: #dc2626;
    display: flex; align-items: center; justify-content: center;
  }
  .sp-file-icon svg { width: 22px; height: 22px; }
  .sp-file-meta { flex: 1; min-width: 0; }
  .sp-file-name { font-size: 13.5px; font-weight: 600; color: var(--sp-navy); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .sp-file-pages { font-size: 12px; color: #6b7280; margin-top: 2px; }
  .sp-file-actions { display: flex; gap: 6px; flex-shrink: 0; }
  .sp-icon-btn {
    width: 32px; height: 32px; border-radius: 7px; background: #f9fafb; border: 1px solid var(--sp-border);
    display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--sp-navy); padding: 0;
  }
  .sp-icon-btn:hover { border-color: var(--sp-accent); color: var(--sp-accent-dark); }
  .sp-icon-btn svg { width: 15px; height: 15px; }

  .sp-modes {
    display: none; margin-top: 18px; background: #fff; border: 1px solid var(--sp-border); border-radius: 10px; padding: 18px 20px;
  }
  .sp-wrap.sp-has-file .sp-modes { display: block; }
  .sp-tabs { display: flex; background: #f3f4f6; border-radius: 8px; padding: 3px; margin-bottom: 18px; }
  .sp-tab {
    flex: 1; text-align: center; padding: 9px 6px; font-size: 13px; font-weight: 600; color: #6b7280;
    background: none; border: none; border-radius: 6px; cursor: pointer;
  }
  .sp-tab.active { background: #fff; color: var(--sp-navy); box-shadow: 0 1px 3px rgba(0,0,0,.08); }

  .sp-panel { display: none; }
  .sp-panel.active { display: block; }
  .sp-field-label { font-size: 13px; font-weight: 600; color: var(--sp-navy); margin-bottom: 8px; display: block; }
  .sp-range-input {
    width: 100%; padding: 10px 12px; border: 1px solid var(--sp-border); border-radius: 7px; font-size: 14px;
  }
  .sp-range-input:focus { outline: none; border-color: var(--sp-accent); }
  .sp-range-hint { font-size: 12px; color: #9ca3af; margin-top: 6px; }
  .sp-range-error { font-size: 12.5px; color: #dc2626; margin-top: 6px; display: none; }

  .sp-individual-desc { font-size: 13.5px; color: #4b5563; line-height: 1.6; }

  .sp-actionbar { margin-top: 18px; display: flex; justify-content: center; }
  .sp-btn {
    background: var(--sp-accent); color: #fff; border: none; padding: 12px 24px; border-radius: 7px;
    font-size: 14px; font-weight: 700; cursor: pointer;
  }
  .sp-btn:hover { background: var(--sp-accent-dark); }
  .sp-btn:disabled { background: #9ca3af; cursor: not-allowed; }

  .sp-progress-wrap {
    display: none; background: #fff; border: 1px solid var(--sp-border); border-radius: 10px; padding: 14px 18px; margin-top: 18px;
  }
  .sp-progress-wrap.sp-show { display: block; }
  .sp-progress-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; font-size: 13px; }
  .sp-progress-label { color: var(--sp-navy); font-weight: 600; }
  .sp-progress-count { color: #6b7280; }
  .sp-progress-track { width: 100%; height: 8px; background: #e5e7eb; border-radius: 5px; overflow: hidden; }
  .sp-progress-fill { height: 100%; width: 0%; background: var(--sp-accent); border-radius: 5px; transition: width 0.2s ease; }
  .sp-progress-fill.sp-progress-done { background: var(--sp-accent-dark); }
  .sp-progress-pct { font-size: 12px; color: var(--sp-accent-dark); font-weight: 700; margin-top: 5px; text-align: right; }

  .sp-results { display: none; flex-direction: column; gap: 10px; margin-top: 18px; }
  .sp-results.sp-show { display: flex; }
  .sp-result-item {
    background: #fff; border: 1px solid var(--sp-border); border-radius: 10px; padding: 12px 14px;
    display: flex; align-items: center; gap: 12px;
  }
  .sp-result-icon {
    flex-shrink: 0; width: 36px; height: 36px; border-radius: 8px; background: #ecfdf5; color: var(--sp-accent-dark);
    display: flex; align-items: center; justify-content: center;
  }
  .sp-result-icon svg { width: 18px; height: 18px; }
  .sp-result-info { flex: 1; min-width: 0; }
  .sp-result-name { font-size: 13px; font-weight: 600; color: var(--sp-navy); }
  .sp-result-meta { font-size: 11.5px; color: #6b7280; }

  .sp-results-actionbar { margin-top: 12px; display: flex; justify-content: center; gap: 10px; }
  .sp-btn-outline { background: #fff; color: var(--sp-navy); border: 1px solid var(--sp-border); }
  .sp-btn-outline:hover { border-color: var(--sp-navy); }

  .sp-note { font-size: 13px; color: #6b7280; margin-top: 22px; text-align: center; }