.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:2000;display:flex;align-items:flex-end;justify-content:center;opacity:0;pointer-events:none;transition:opacity .25s}.modal-overlay.show{opacity:1;pointer-events:auto}.modal-card{width:100%;max-width:var(--gc-container-width);background:var(--gc-background);border-radius:12px 12px 0 0;padding:16px 16px calc(16px + env(safe-area-inset-bottom));transform:translateY(100%);transition:transform .3s cubic-bezier(.32,.72,0,1);max-height:75vh;overflow-y:auto}.modal-overlay.show .modal-card{transform:translateY(0)}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.modal-title{font-size:18px;font-weight:800;color:var(--gc-foreground)}.modal-close-btn{width:100%;height:48px;border-radius:12px;border:none;background:var(--gc-primary);color:#fff;font-size:15px;font-weight:700;cursor:pointer;margin-top:16px;transition:transform .12s}.modal-close-btn:active{transform:scale(.98)}.modal-card .settings-list{display:flex;flex-direction:column;gap:8px}.modal-card .setting-row{display:flex;align-items:center;gap:16px;padding:14px 16px;border-radius:12px;background:var(--gc-card);box-shadow:var(--gc-shadow-sm)}.modal-card .setting-icon{width:36px;height:36px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.modal-card .setting-info{flex:1;min-width:0}.modal-card .setting-name{font-size:14px;font-weight:700;color:var(--gc-foreground)}.modal-card .setting-desc{font-size:12px;color:var(--gc-muted-foreground)}.switch{width:44px;height:24px;border-radius:999px;background:var(--gc-primary);position:relative;cursor:pointer;transition:background .2s;flex-shrink:0}.switch.off{background:var(--gc-muted)}.switch-thumb{position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.15);transition:transform .2s}.switch.off .switch-thumb{transform:translateX(0)}.switch:not(.off) .switch-thumb{transform:translateX(20px)}.ach-detail-content{text-align:center;padding:20px 0}.ach-detail-icon{width:80px;height:80px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.15)}.ach-detail-name{font-size:20px;font-weight:800;color:var(--gc-foreground);margin-bottom:6px}.ach-detail-desc{font-size:14px;color:var(--gc-muted-foreground);margin-bottom:16px}.ach-detail-status{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:12px}.ach-detail-status.unlocked{background:rgba(34,197,94,.12);color:var(--gc-success)}.ach-detail-status.locked{background:var(--gc-muted);color:var(--gc-muted-foreground)}.ach-detail-reward{font-size:13px;color:var(--gc-warning);font-weight:600}