/* ═══════════════════════════════════════════
   sld-pdf.css — SLD PDF upload / compare modal
   ═══════════════════════════════════════════ */

.sld-pdf-upload-btn{white-space:nowrap;margin:0 8px 2px 0}
.sld-pdf-link~.sld-pdf-upload-btn{margin-left:8px;margin-right:0}
.sld-pdf-toolbar-label{font-size:var(--fs-xs);color:var(--text2);margin-right:6px}
.sld-pdf-link{display:inline-flex;align-items:center;padding:2px 8px;margin:0 4px 2px 0;background:var(--bg3);border:1px solid var(--border);border-radius:4px;font-size:var(--fs-xs);color:var(--cyan);text-decoration:none;white-space:nowrap}
.sld-pdf-link:hover{background:var(--bg);border-color:var(--cyan)}

.sld-pdf-busy{position:fixed;inset:0;z-index:1400;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center}
.sld-pdf-busy.is-hidden{display:none}
.sld-pdf-busy-inner{display:flex;flex-direction:column;align-items:center;gap:12px;padding:24px 32px;background:var(--bg2);border:1px solid var(--border);border-radius:10px;color:var(--text)}
.sld-pdf-busy-inner .loading-spinner{width:36px;height:36px}

.sld-pdf-alert-mask{position:fixed;inset:0;z-index:1350;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:24px;box-sizing:border-box}
.sld-pdf-alert-mask.is-hidden{display:none}
.sld-pdf-alert-dialog{width:100%;max-width:480px;background:var(--bg2);border:1px solid var(--border);border-radius:10px;box-shadow:0 12px 48px rgba(0,0,0,.45);overflow:hidden}
.sld-pdf-alert-header{padding:12px 16px;background:var(--bg3);border-bottom:1px solid var(--border)}
.sld-pdf-alert-header h3{margin:0;font-size:var(--fs-title-section);color:var(--text)}
.sld-pdf-alert-body{padding:14px 16px;color:var(--text);font-size:var(--fs-body);line-height:1.5}
.sld-pdf-alert-body p{margin:0}
.sld-pdf-alert-list{margin:10px 0 0;padding-left:18px;color:#fca5a5;font-size:var(--fs-caption)}
.sld-pdf-alert-list li{margin:4px 0;word-break:break-all}
.sld-pdf-alert-footer{display:flex;justify-content:flex-end;padding:10px 16px;border-top:1px solid var(--border);background:var(--bg3)}

.sld-pdf-modal-mask{position:fixed;inset:0;z-index:1300;background:rgba(0,0,0,.5);display:flex;align-items:stretch;justify-content:center;padding:5%;box-sizing:border-box}
.sld-pdf-modal-mask.is-hidden{display:none}
body.sld-pdf-modal-open{overflow:hidden}
.sld-pdf-modal{width:100%;max-width:100%;background:var(--bg2);border:1px solid var(--border);border-radius:10px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 12px 48px rgba(0,0,0,.45)}

.sld-pdf-modal-header{display:flex;align-items:center;padding:10px 16px;background:var(--bg3);border-bottom:1px solid var(--border)}
.sld-pdf-modal-header h3{font-size:var(--fs-title-section);margin:0}

.sld-pdf-modal-body{flex:1;display:grid;grid-template-columns:6fr 4fr;min-height:0;overflow:hidden}
.sld-pdf-left,.sld-pdf-right{min-height:0;overflow:hidden;display:flex;flex-direction:column;border-right:1px solid var(--border)}
.sld-pdf-right{border-right:none;border-left:1px solid var(--border)}

.sld-pdf-tabs{display:flex;flex-wrap:wrap;gap:4px;padding:8px 10px;background:var(--bg3);border-bottom:1px solid var(--border)}
.sld-pdf-tab{padding:5px 12px;font-size:var(--fs-xs);background:var(--bg2);border:1px solid var(--border);border-radius:4px;color:var(--text2);cursor:pointer}
.sld-pdf-tab.active,.sld-pdf-tab:hover{color:var(--cyan);border-color:var(--cyan)}

.sld-pdf-viewer-wrap{flex:1;display:flex;flex-direction:column;min-height:0}
.sld-pdf-viewer-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:6px 10px;background:var(--bg3);border-bottom:1px solid var(--border)}
.sld-pdf-page-info{font-size:var(--fs-xs);color:var(--text2);margin:0 8px}

.sld-pdf-canvas-wrap{flex:1;overflow:hidden;position:relative;background:#1a1f2e;cursor:grab;min-height:0}
.sld-pdf-canvas-wrap.dragging{cursor:grabbing}
.sld-pdf-panels-host{position:absolute;inset:0}
.sld-pdf-pdf-panel{display:none;position:absolute;inset:0;align-items:center;justify-content:center}
.sld-pdf-pdf-panel.active{display:flex}
.sld-pdf-pdf-loading{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:rgba(26,31,46,.85);color:var(--text2);font-size:var(--fs-xs)}
.sld-pdf-pdf-loading.is-hidden{display:none}
.sld-pdf-pdf-loading .loading-spinner{width:32px;height:32px}
.sld-pdf-panel-canvas{max-width:none;max-height:none;transition:transform .05s linear}

.sld-pdf-right-inner{flex:1;overflow-y:auto;padding:12px 14px}
.sld-pdf-section{margin-bottom:16px}
.sld-pdf-section h4{margin:0 0 10px;font-size:var(--fs-body);color:var(--cyan);font-weight:600}

.sld-pdf-fields{display:grid;grid-template-columns:1fr;gap:8px}
.sld-pdf-field{display:grid;grid-template-columns:minmax(120px,38%) 1fr;gap:8px;align-items:center}
.sld-pdf-field label{font-size:var(--fs-xs);color:var(--text2);word-break:break-word}
.sld-pdf-field input{width:100%;padding:5px 8px;background:var(--bg3);border:1px solid var(--border);border-radius:4px;color:var(--text);font-size:var(--fs-caption)}
.sld-pdf-field input:focus{border-color:var(--cyan);outline:none}

.sld-pdf-ecu-section{display:flex;flex-direction:column;gap:10px;min-height:0}
.sld-pdf-ecu-tabs{display:flex;flex-direction:row;flex-wrap:wrap;gap:4px;margin-bottom:4px}
.sld-pdf-ecu-tab{padding:6px 12px;text-align:center;font-size:var(--fs-xs);background:var(--bg3);border:1px solid var(--border);border-radius:4px;color:var(--text2);cursor:pointer;word-break:break-word}
.sld-pdf-ecu-tab.active,.sld-pdf-ecu-tab:hover{color:var(--cyan);border-color:var(--cyan);background:var(--bg2)}
.sld-pdf-ecu-content{min-width:0;overflow-y:auto;max-height:calc(100vh - 320px)}

.sld-pdf-collapse{border:1px solid var(--border);border-radius:6px;margin:8px 0;background:var(--bg3)}
.sld-pdf-collapse summary{padding:8px 10px;cursor:pointer;font-size:var(--fs-caption);font-weight:600;color:var(--text);list-style:none;display:flex;align-items:center;gap:6px}
.sld-pdf-collapse summary::-webkit-details-marker{display:none}
.sld-pdf-collapse summary::before{content:'▸';color:var(--cyan);transition:transform .15s}
.sld-pdf-collapse[open] summary::before{transform:rotate(90deg)}
.sld-pdf-collapse-body{padding:8px 10px 10px;border-top:1px solid var(--border)}

.sld-pdf-empty{font-size:var(--fs-xs);color:var(--text2);padding:8px 0}

.sld-pdf-count-alert{margin:0 0 10px;padding:8px 10px;border:1px solid #ef4444;border-radius:6px;background:rgba(239,68,68,.12);color:#fca5a5;font-size:var(--fs-xs);line-height:1.45}
.sld-pdf-count-alert b{color:#fecaca;font-weight:600}
.sld-count-alert-slot{display:inline-flex;flex-wrap:wrap;gap:6px;align-items:center}
.sld-count-alert-slot:empty{display:none}
.sld-count-alert-slot .sld-pdf-count-alert{margin:0}

.sld-pdf-modal-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;border-top:1px solid var(--border);background:var(--bg3)}
.sld-pdf-footer-actions{display:flex;align-items:center;gap:8px}
.sld-pdf-hint{font-size:var(--fs-xs);color:var(--text2)}

@media (max-width: 960px){
  .sld-pdf-modal-mask{padding:2%}
  .sld-pdf-modal-body{grid-template-columns:1fr;overflow-y:auto}
  .sld-pdf-left{min-height:280px;border-right:none;border-bottom:1px solid var(--border)}
  .sld-pdf-right{border-left:none}
  .sld-pdf-ecu-tabs{flex-direction:row;flex-wrap:wrap}
}