.cloud-drive-backdrop{position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:3000;animation:cd-fade-in 0.15s ease-out}.cloud-drive-backdrop.hidden{display:none}@keyframes cd-fade-in{from{opacity:0}to{opacity:1}}.cloud-drive-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3001;width:90vw;max-width:560px;max-height:80vh;background:var(--color-bg-panel,#ffffff);border:1px solid var(--color-border,#e5e7eb);border-radius:16px;box-shadow:0 25px 50px -12px rgba(0,0,0,0.25);display:flex;flex-direction:column;overflow:hidden;animation:cd-modal-in 0.2s ease-out}.cloud-drive-modal.hidden{display:none}@keyframes cd-modal-in{from{opacity:0;transform:translate(-50%,-48%)}to{opacity:1;transform:translate(-50%,-50%)}}.cloud-drive-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 8px;gap:12px}.cloud-drive-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:2px;font-size:14px;min-height:28px;overflow:hidden}.cloud-drive-crumb{background:none;border:none;padding:4px 6px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;color:var(--color-primary,#2563eb);transition:background 0.15s;white-space:nowrap}.cloud-drive-crumb:hover{background:var(--color-bg-hover,#f3f4f6)}.cloud-drive-crumb:last-child{color:var(--color-text,#111827);font-weight:600;cursor:default}.cloud-drive-crumb-sep{color:var(--color-text-muted,#9ca3af);font-size:13px}.cloud-drive-close{background:none;border:none;font-size:22px;cursor:pointer;color:var(--color-text-muted,#9ca3af);padding:4px 8px;border-radius:8px;transition:background 0.15s;flex-shrink:0}.cloud-drive-close:hover{background:var(--color-bg-hover,#f3f4f6);color:var(--color-text,#111827)}.cloud-drive-search-wrap{padding:4px 20px 12px}.cloud-drive-search{width:100%;padding:8px 12px;border:1px solid var(--color-border,#e5e7eb);border-radius:10px;font-size:14px;background:var(--color-bg-input,#f9fafb);color:var(--color-text,#111827);outline:none;transition:border-color 0.15s}.cloud-drive-search:focus{border-color:var(--color-primary,#2563eb)}.cloud-drive-list{flex:1;overflow-y:auto;padding:0 12px 12px;min-height:200px;max-height:50vh}.cloud-drive-file-row{display:flex;align-items:center;gap:12px;padding:10px 12px;border:none;background:none;width:100%;text-align:left;border-radius:10px;cursor:pointer;transition:background 0.15s;font-size:14px;color:var(--color-text,#111827)}.cloud-drive-file-row:hover{background:var(--color-bg-hover,#f3f4f6)}.cloud-drive-file-row.selected{background:var(--color-primary-light,#eff6ff);outline:2px solid var(--color-primary,#2563eb)}.cloud-drive-file-icon{flex-shrink:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;color:var(--color-text-muted,#6b7280)}.cloud-drive-file-row:hover .cloud-drive-file-icon,.cloud-drive-file-row.selected .cloud-drive-file-icon{color:var(--color-primary,#2563eb)}.cloud-drive-file-info{display:flex;flex-direction:column;min-width:0}.cloud-drive-file-name{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cloud-drive-file-size{font-size:12px;color:var(--color-text-muted,#9ca3af);margin-top:1px}.cloud-drive-empty{display:flex;align-items:center;justify-content:center;min-height:120px;color:var(--color-text-muted,#9ca3af);font-size:14px}.cloud-drive-error{color:var(--color-error,#ef4444)}.cloud-drive-actions{display:flex;gap:10px;padding:12px 20px;border-top:1px solid var(--color-border,#e5e7eb);justify-content:flex-end}.cloud-drive-action-btn{padding:8px 18px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;border:1px solid var(--color-border,#e5e7eb);background:var(--color-bg-panel,#ffffff);color:var(--color-text,#111827);transition:all 0.15s}.cloud-drive-action-btn:hover{background:var(--color-bg-hover,#f3f4f6)}.cloud-drive-use-chat{background:var(--color-primary,#2563eb);color:#fff;border-color:var(--color-primary,#2563eb)}.cloud-drive-use-chat:hover{background:var(--color-primary-dark,#1d4ed8)}.cloud-drive-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:10px;background:rgba(255,255,255,0.8);border-radius:16px;z-index:10;font-size:14px;color:var(--color-text-muted,#6b7280)}.cloud-drive-loading.hidden{display:none}.cloud-drive-spinner{width:20px;height:20px;border:2px solid var(--color-border,#e5e7eb);border-top-color:var(--color-primary,#2563eb);border-radius:50%;animation:cd-spin 0.6s linear infinite}@keyframes cd-spin{to{transform:rotate(360deg)}}[data-theme='dark'] .cloud-drive-modal{background:#1f2937;border-color:#374151}[data-theme='dark'] .cloud-drive-search{background:#111827;border-color:#374151;color:#e5e7eb}[data-theme='dark'] .cloud-drive-file-row{color:#e5e7eb}[data-theme='dark'] .cloud-drive-file-row:hover{background:#374151}[data-theme='dark'] .cloud-drive-file-row.selected{background:rgba(37,99,235,0.2)}[data-theme='dark'] .cloud-drive-crumb{color:#60a5fa}[data-theme='dark'] .cloud-drive-crumb:last-child{color:#e5e7eb}[data-theme='dark'] .cloud-drive-crumb:hover{background:#374151}[data-theme='dark'] .cloud-drive-close:hover{background:#374151;color:#e5e7eb}[data-theme='dark'] .cloud-drive-action-btn{background:#374151;border-color:#4b5563;color:#e5e7eb}[data-theme='dark'] .cloud-drive-action-btn:hover{background:#4b5563}[data-theme='dark'] .cloud-drive-actions{border-color:#374151}[data-theme='dark'] .cloud-drive-loading{background:rgba(17,24,39,0.8)}