:root{--bg:#0f172a;--panel:#111827;--muted:#9ca3af;--text:#e5e7eb;--brand:#22c55e;--brand-600:#16a34a;--danger:#ef4444;--danger-600:#dc2626;--border:#1f2937;--surface-weak:#0b1220;--table-head:#0b1220}

[data-theme="light"]{--bg:#f8fafc;--panel:#ffffff;--muted:#64748b;--text:#0f172a;--brand:#16a34a;--brand-600:#15803d;--danger:#ef4444;--danger-600:#dc2626;--border:#e5e7eb;--surface-weak:#f8fafc;--table-head:#f1f5f9}

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";background:var(--bg);color:var(--text)}
.container{max-width:1000px;margin:24px auto;padding:0 16px}
.app-header,.app-footer{display:flex;justify-content:space-between;align-items:center;padding:16px 16px;background:var(--panel);border-bottom:1px solid var(--border)}
.app-footer{border-top:1px solid var(--border);border-bottom:none;margin-top:24px;border-radius:12px}
.branding{display:flex;align-items:center;gap:12px}
.logo{font-size:20px}
.title{font-weight:700}
.header-actions{display:flex;gap:12px;align-items:center}
.header-actions .gh{color:var(--muted);text-decoration:none}

.card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:16px;margin-bottom:16px}
.card h2{margin:0 0 12px 0;font-size:18px}

.dropzone{border:2px dashed var(--border);border-radius:12px;padding:24px;text-align:center;cursor:pointer;outline:none}
.dropzone:hover,.dropzone:focus{border-color:var(--brand)}
.dropzone input[type=file]{display:none}
.dz-inner{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--muted)}
.dz-icon{font-size:28px}

.queue{margin-top:12px}
.queue-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;color:var(--muted)}
#queueList{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.queue-item{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;background:var(--surface-weak);border:1px solid var(--border);border-radius:10px;padding:10px}
.queue-item .name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.progress{height:8px;background:var(--surface-weak);border-radius:999px;overflow:hidden;border:1px solid var(--border)}
.progress>span{display:block;height:100%;width:0%;background:linear-gradient(90deg,var(--brand),#45e07a)}
.status{font-size:12px;color:var(--muted)}

.files-header{display:flex;justify-content:space-between;align-items:center;gap:8px}
.filters{display:flex;gap:8px}
.btn{background:var(--brand);color:#052e16;border:none;border-radius:8px;padding:8px 12px;font-weight:600;cursor:pointer}
.btn:hover{background:var(--brand-600)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:var(--danger-600)}
.btn-link{background:transparent;border:none;color:var(--muted);cursor:pointer}

.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:12px}
.files-table{width:100%;border-collapse:separate;border-spacing:0}
.files-table th,.files-table td{padding:12px;border-bottom:1px solid var(--border);text-align:left}
.files-table thead th{position:sticky;top:0;background:var(--table-head);z-index:1}
.actions{display:flex;gap:8px}
.actions-col{width:220px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}

.clip-wrap{display:flex;flex-direction:column;gap:8px}
#clipText{width:100%;min-height:120px;resize:vertical;border:1px solid var(--border);border-radius:10px;background:var(--surface-weak);color:var(--text);padding:10px}
.clip-actions{display:flex;gap:8px;align-items:center}
#clipFilename{flex:1;border:1px solid var(--border);border-radius:8px;background:var(--surface-weak);color:var(--text);padding:8px}

.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:1000}
.modal{position:fixed;left:50%;top:10%;transform:translateX(-50%);width:min(900px,92vw);max-height:80vh;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden;z-index:1001}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-bottom:1px solid var(--border)}
.modal-title{font-weight:700}
.modal-body{margin:0;padding:12px;overflow:auto;background:var(--surface-weak);color:var(--text);max-height:70vh;white-space:pre-wrap}
#modal:not(.show){display:none}

/* 帮助页面样式 */
.help-content {
  line-height: 1.6;
  color: var(--text);
}

.help-content h3 {
  margin: 24px 0 12px 0;
  color: var(--text);
  font-size: 18px;
}

.help-content ul, .help-content ol {
  margin: 12px 0;
  padding-left: 24px;
}

.help-content li {
  margin: 8px 0;
}

.help-content strong {
  color: var(--brand);
  font-weight: 600;
}

@media (max-width:720px){
  .actions-col{width:160px}
  .files-table th:nth-child(2),.files-table td:nth-child(2){display:none}
  .clip-actions{flex-direction:column;align-items:stretch}
}