.ddg-assistant-overlay{position:fixed;inset:0;z-index:1200;background:rgba(22,27,35,.72);backdrop-filter:blur(8px);display:none;padding:24px}
.ddg-assistant-overlay.is-open{display:flex}
.ddg-assistant{width:min(1480px,100%);height:min(920px,100%);margin:auto;background:#f7f8fa;border-radius:24px;box-shadow:0 28px 80px rgba(0,0,0,.28);overflow:hidden;display:grid;grid-template-rows:auto 1fr auto;color:#172033}
.ddg-assistant__header{height:76px;padding:0 28px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid #e5e8ee}
.ddg-assistant__brand{display:flex;align-items:center;gap:14px}.ddg-assistant__mark{width:42px;height:42px;border-radius:14px;background:#ebf2ff;display:grid;place-items:center;font-size:22px}.ddg-assistant__brand strong{display:block;font-size:20px}.ddg-assistant__brand span{display:block;margin-top:3px;color:#6c7484;font-size:13px}
.ddg-assistant__close{width:40px;height:40px;border:0;border-radius:12px;background:#f1f3f6;font-size:22px;cursor:pointer}
.ddg-assistant__body{min-height:0;display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:18px;padding:18px}
.ddg-assistant__preview-card,.ddg-assistant__panel{background:#fff;border:1px solid #e4e7ed;border-radius:18px;min-height:0}
.ddg-assistant__preview-card{display:grid;grid-template-rows:auto 1fr auto;overflow:hidden}.ddg-assistant__preview-head{padding:18px 20px;border-bottom:1px solid #eef0f4;display:flex;align-items:center;justify-content:space-between}.ddg-assistant__preview-head strong{font-size:16px}.ddg-assistant__preview-head span{font-size:12px;color:#7a8290}
.ddg-assistant__stage{position:relative;min-height:0;overflow:auto;display:grid;place-items:center;padding:28px;background:radial-gradient(circle at center,#fff 0,#f1f3f7 72%);overscroll-behavior:contain;user-select:none}.ddg-assistant__stage.is-pannable{cursor:grab}.ddg-assistant__stage.is-panning{cursor:grabbing;scroll-behavior:auto}.ddg-assistant__stage.is-panning .ddg-assistant__canvas-wrap{transition:none}.ddg-assistant__canvas-wrap{transform-origin:center;transition:transform .18s ease;box-shadow:0 18px 44px rgba(37,46,66,.16);background:#fff}.ddg-assistant__canvas{display:block;width:min(900px,70vw);height:auto;max-width:100%}
.ddg-assistant__tools{padding:12px 18px;border-top:1px solid #eef0f4;display:flex;align-items:center;justify-content:center;gap:8px}.ddg-assistant__tools button{height:36px;padding:0 14px;border:1px solid #dfe3ea;border-radius:10px;background:#fff;cursor:pointer;font-weight:700}.ddg-assistant__zoom{min-width:78px;text-align:center;font-size:13px;color:#5e6675;font-weight:800}
.ddg-assistant__panel{overflow:auto;padding:20px}.ddg-assistant__status{border-radius:16px;padding:18px;background:#f2f7ff;border:1px solid #dce9ff}.ddg-assistant__status[data-level="warning"]{background:#fff7ec;border-color:#ffe0b2}.ddg-assistant__status-label{font-size:12px;font-weight:800;color:#54719d}.ddg-assistant__status strong{display:block;margin-top:8px;font-size:18px;line-height:1.45}.ddg-assistant__confidence{margin-top:10px;font-size:13px;color:#5d6675}
.ddg-assistant__section{margin-top:20px}.ddg-assistant__section h3{margin:0 0 10px;font-size:15px}.ddg-assistant__issues{display:grid;gap:9px}.ddg-assistant__issue{border:1px solid #e5e8ed;border-radius:13px;padding:13px 14px}.ddg-assistant__issue.is-warning{border-color:#ffd8a1;background:#fffaf3}.ddg-assistant__issue strong{display:block;font-size:14px}.ddg-assistant__issue p{margin:6px 0 0;color:#606a79;font-size:13px;line-height:1.55}.ddg-assistant__issue button{margin-top:9px;border:0;background:transparent;padding:0;color:#2868c7;font-weight:800;cursor:pointer;font-size:12px}
.ddg-assistant__guide{margin:0;padding:0;list-style:none;display:grid;gap:11px}.ddg-assistant__guide li{display:grid;grid-template-columns:22px 1fr;gap:7px;color:#596273;font-size:13px;line-height:1.55}.ddg-assistant__guide-icon{font-size:15px;line-height:1.45}.ddg-assistant__experience{margin-top:18px;padding-top:16px;border-top:1px solid #eceff3;color:#808796;font-size:11px;line-height:1.5}
.ddg-assistant__footer{height:76px;padding:0 28px;background:#fff;border-top:1px solid #e5e8ee;display:flex;align-items:center;justify-content:space-between}.ddg-assistant__footer-note{font-size:12px;color:#737c8c}.ddg-assistant__actions{display:flex;gap:10px}.ddg-assistant__actions button{height:44px;padding:0 22px;border-radius:12px;font-weight:800;cursor:pointer}.ddg-assistant__edit{border:1px solid #d9dee7;background:#fff}.ddg-assistant__submit{border:0;background:#2768d6;color:#fff}.ddg-assistant__submit[disabled]{opacity:.45;cursor:not-allowed}
.ddg-assistant__loading{position:absolute;inset:0;background:rgba(255,255,255,.86);display:grid;place-items:center;z-index:2}.ddg-assistant__loading[hidden]{display:none}.ddg-assistant__loading-box{text-align:center}.ddg-assistant__loading-box span{font-size:36px;display:block;animation:ddgAssistantPulse 1s ease-in-out infinite}.ddg-assistant__loading-box strong{display:block;margin-top:12px}.ddg-assistant__loading-box small{display:block;margin-top:6px;color:#747d8c}@keyframes ddgAssistantPulse{50%{transform:scale(1.12);opacity:.65}}

.ddg-assistant__pan-tip{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);z-index:3;padding:10px 14px;border-radius:999px;background:rgba(23,32,51,.9);color:#fff;font-size:12px;font-weight:700;box-shadow:0 8px 24px rgba(0,0,0,.18);pointer-events:none;animation:ddgAssistantTipIn .18s ease}
.ddg-assistant__pan-tip[hidden]{display:none}
@keyframes ddgAssistantTipIn{from{opacity:0;transform:translate(-50%,6px)}to{opacity:1;transform:translate(-50%,0)}}
@media(max-width:980px){.ddg-assistant-overlay{padding:0}.ddg-assistant{height:100%;border-radius:0}.ddg-assistant__body{grid-template-columns:1fr}.ddg-assistant__panel{max-height:42vh}.ddg-assistant__canvas{width:850px}.ddg-assistant__footer-note{display:none}}
.ddg-assistant__issue-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.ddg-assistant__rule-id{flex:0 0 auto;padding:3px 7px;border-radius:999px;background:#eef2f7;color:#657084;font-size:10px;font-weight:900;letter-spacing:.02em}
.ddg-assistant__issue.is-warning .ddg-assistant__rule-id{background:#fff0d8;color:#a76500}
.ddg-assistant__recommendation{padding-top:7px;border-top:1px dashed #e7eaf0;color:#465164!important;font-weight:700}
.ddg-assistant__measure{display:inline-flex;margin-top:8px;padding:4px 8px;border-radius:8px;background:#f4f6f9;color:#596477;font-size:11px;font-weight:900}

/* STEP16-6-3 Hotfix */
.ddg-assistant__confidence:empty{display:none}
.ddg-assistant__section{margin-top:24px}
.ddg-assistant__section + .ddg-assistant__section{padding-top:4px}
.ddg-assistant__section-intro{margin:-3px 0 12px;color:#7b8493;font-size:12px;line-height:1.5}
.ddg-assistant__section--guide{padding-top:18px;border-top:1px solid #eef1f5}
.ddg-assistant__issue button{display:inline-flex;align-items:center;justify-content:center;min-height:34px;margin-top:11px;padding:0 12px;border:1px solid #cfd9e8;border-radius:9px;background:#fff;color:#245fb7;font-weight:800;cursor:pointer;font-size:12px;box-shadow:0 1px 2px rgba(25,43,70,.04)}
.ddg-assistant__issue button:hover{background:#f4f8ff;border-color:#aebfda}
.ddg-assistant__panel{scrollbar-gutter:stable}