/* System settings follow the reference admin's full-card, label-and-control layout. */
.system-settings-card{width:100%;min-width:0;min-height:calc(100vh - 245px);overflow:hidden}
.config-tabs{display:flex;flex-wrap:wrap;gap:0 28px;margin:0 24px;border-bottom:1px solid var(--line)}
.config-tabs button{padding:18px 0;border:0;border-bottom:2px solid transparent;background:transparent;color:#606266;white-space:nowrap;font-size:13px;min-height:54px}
.config-tabs button[aria-selected="true"]{color:var(--blue);border-bottom-color:var(--blue)}
.system-settings-form{padding:26px 28px 34px;max-width:1040px}
.config-row{display:grid;grid-template-columns:142px minmax(0,1fr);gap:14px;align-items:start;margin:0 0 25px;font-size:12px}
.config-label{text-align:right;color:#515a6b;padding-top:9px;line-height:1.6}
.config-label .required{color:var(--red);margin-right:4px}
.config-control{min-width:0;line-height:1.7}
.config-control>.input,.config-control>select,.config-control>textarea{display:block;width:414px;max-width:100%;min-width:0;font-size:12px}
.config-control textarea{min-height:88px;resize:vertical}
.config-control>.hint{display:block;margin-top:7px;color:#9aa5b5;font-size:11px;max-width:700px;overflow-wrap:anywhere}
.config-options{display:flex;flex-wrap:wrap;gap:12px 24px;min-height:34px;align-items:center}
.config-options label{display:inline-flex;align-items:center;gap:7px;line-height:1.6;cursor:pointer}
.config-options input{margin:0;accent-color:var(--blue);width:14px;height:14px;min-width:0}
.config-options label:has(input:disabled){color:#9aa5b5;cursor:default}
.config-readonly{display:flex;align-items:center;flex-wrap:wrap;gap:12px;min-height:34px}
.config-submit{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-left:156px;padding-top:4px}
.config-submit .btn{min-height:34px}
.config-asset{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.config-asset-preview{width:80px;height:80px;border:1px dashed #d9dfe7;border-radius:4px;background:#f5f7fb;display:grid;place-items:center;color:#9aa5b5;overflow:hidden;flex-shrink:0}
.config-asset-preview img{width:100%;height:100%;object-fit:contain}
.config-asset-preview>.ico{width:28px;height:28px}
.config-asset-actions{display:flex;flex-wrap:wrap;gap:9px}
.protocol-form .config-control>textarea{width:100%;min-height:220px}
.system-settings-card .notice{margin:0 0 22px;line-height:1.8}
.settings-width{max-width:none}
.theme-dark .config-tabs button,.theme-dark .config-label{color:#c1cad7}
.theme-dark .config-tabs button[aria-selected="true"]{color:#80abff}
.theme-dark .config-asset-preview{background:#283346;border-color:#44536b}
@media(min-width:781px) and (max-width:1000px){.system-settings-form{padding-left:20px;padding-right:20px}.config-row{grid-template-columns:118px minmax(0,1fr)}.config-submit{margin-left:132px}.config-tabs{gap:0 22px}}
@media(max-width:780px){.system-settings-card{min-height:0}.config-tabs{margin:0 15px;gap:0 20px}.config-tabs button{font-size:12px;min-height:46px;padding:14px 0}.system-settings-form{padding:22px 16px 26px}.config-row{grid-template-columns:minmax(0,1fr);gap:7px;margin-bottom:22px}.config-label{text-align:left;padding-top:0;font-size:13px}.config-control>.input,.config-control>select,.config-control>textarea{width:100%;font-size:14px;min-height:40px}.config-options{gap:14px 22px}.config-options label{min-height:32px}.config-options input{width:16px;height:16px}.config-submit{margin-left:0;gap:10px}.config-submit .btn{min-height:40px}.protocol-form .config-control>textarea{min-height:240px}}