.sysnow-social-app{--ss-blue:#1769aa;--ss-blue-dark:#0c477c;--ss-bg:#f3f6f9;--ss-border:#dce4ec;--ss-text:#203040;max-width:1240px;margin:22px auto;background:var(--ss-bg);color:var(--ss-text);font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;border:1px solid var(--ss-border);border-radius:16px;overflow:hidden;box-sizing:border-box}.sysnow-social-app *{box-sizing:border-box}.sysnow-social-header{background:#fff;border-bottom:1px solid var(--ss-border);padding:14px 22px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}.sysnow-social-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#18344c;font-weight:800;font-size:16px;letter-spacing:.2px}.sysnow-social-brand small{display:block;font-size:9px;letter-spacing:2px;color:#6b8194}.sysnow-social-mark{width:40px;height:40px;border-radius:11px;background:linear-gradient(145deg,#27a5e8,#1453a1);color:white;display:grid;place-items:center;font-weight:900;font-size:23px}.sysnow-social-header nav{display:flex;align-items:center;gap:4px;flex:1;flex-wrap:wrap}.sysnow-social-header nav a,.sysnow-social-account a{padding:9px 11px;border-radius:8px;text-decoration:none;color:#42586b;font-weight:650}.sysnow-social-header nav a:hover,.sysnow-social-account a:hover{background:#eaf4fc;color:var(--ss-blue)}.sysnow-social-account{display:flex;align-items:center;gap:8px;font-size:13px}.sysnow-social-main{padding:26px;min-height:420px}.sysnow-social-footer{text-align:center;background:#fff;border-top:1px solid var(--ss-border);padding:18px;color:#738397;font-size:12px}.sysnow-social-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:22px;align-items:start}.sysnow-social-content{min-width:0}.sysnow-social-page-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 20px}.sysnow-social-page-title h1,.sysnow-social-hero h1{margin:2px 0 6px;line-height:1.15;letter-spacing:-.7px}.sysnow-social-page-title h1{font-size:27px}.sysnow-social-eyebrow{color:var(--ss-blue);font-size:10px;font-weight:800;letter-spacing:1.8px}.sysnow-social-card{background:#fff;border:1px solid var(--ss-border);border-radius:13px;padding:20px;margin-bottom:16px;box-shadow:0 3px 12px rgba(31,63,91,.035);min-width:0}.sysnow-social-card h3{margin:0 0 10px;font-size:17px}.sysnow-social-card p{margin:8px 0;color:#5b6e7f}.sysnow-social-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--ss-blue);border:1px solid var(--ss-blue);border-radius:8px;color:#fff!important;text-decoration:none;padding:10px 16px;font-weight:700;font-size:13px;cursor:pointer;line-height:1.4}.sysnow-social-button:hover{background:var(--ss-blue-dark);border-color:var(--ss-blue-dark);color:#fff}.sysnow-social-button.secondary{background:#fff;color:var(--ss-blue)!important;border-color:#bdd5e9}.sysnow-social-button.secondary:hover{background:#edf6fd}.sysnow-social-link{color:var(--ss-blue);font-weight:650;text-decoration:none}.sysnow-social-hero{background:linear-gradient(120deg,#0c477c,#1679b9 62%,#43b5d9);padding:48px;border-radius:16px;color:#fff;margin-bottom:22px;position:relative;overflow:hidden}.sysnow-social-hero:after{content:"";position:absolute;width:280px;height:280px;border:1px solid #ffffff30;border-radius:50%;right:-65px;top:-90px;box-shadow:0 0 0 35px #ffffff0d,0 0 0 70px #ffffff0a}.sysnow-social-hero h1{font-size:clamp(30px,4vw,46px);max-width:720px;margin-top:12px}.sysnow-social-hero p{color:#e3f3ff;max-width:620px;font-size:16px;margin:15px 0 24px}.sysnow-social-hero>div{display:flex;gap:10px;flex-wrap:wrap}.sysnow-social-hero .sysnow-social-eyebrow{color:#bfeaff}.sysnow-social-hero .secondary{border-color:#ffffff80;background:#ffffff12;color:#fff!important}.sysnow-social-feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin-bottom:26px}.sysnow-social-feature-grid article{background:#fff;border:1px solid var(--ss-border);border-radius:12px;padding:20px}.sysnow-social-feature-grid b{font-size:16px}.sysnow-social-feature-grid p{color:#6b7d8d;margin-bottom:0}.sysnow-social-form{display:flex;flex-direction:column;gap:12px}.sysnow-social-form textarea,.sysnow-social-form input,.sysnow-social-form select,.sysnow-social-search input,.sysnow-social-auth input{width:100%;max-width:100%;padding:11px 12px;border:1px solid #cbd7e2;border-radius:8px;background:#fff;color:#203040;font:inherit}.sysnow-social-form textarea:focus,.sysnow-social-form input:focus,.sysnow-social-form select:focus,.sysnow-social-search input:focus{outline:2px solid #9bd5f5;outline-offset:1px}.sysnow-social-form label,.sysnow-social-auth label{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:650}.sysnow-social-form-row{display:flex;justify-content:space-between;gap:12px;align-items:center}.sysnow-social-form-row select{width:auto;min-width:145px}.sysnow-social-post-head{display:flex;gap:12px;align-items:center}.sysnow-social-post-head img{border-radius:50%}.sysnow-social-post-head strong,.sysnow-social-post-head small{display:block}.sysnow-social-post-head small{color:#7c8d9c;font-size:12px}.sysnow-social-post-body{padding:17px 0;white-space:normal;overflow-wrap:anywhere}.sysnow-social-post-image{display:block;max-width:100%;max-height:480px;border-radius:10px}.sysnow-social-post-stats{font-size:12px;color:#718293;border-bottom:1px solid #e8edf2;padding:9px 0}.sysnow-social-post-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 0}.sysnow-social-post-actions .sysnow-social-form{display:inline-flex}.sysnow-social-action-button{background:transparent;border:0;color:var(--ss-blue);font:inherit;font-weight:700;padding:6px 10px;cursor:pointer}.sysnow-social-comments{border-top:1px solid #eef2f5;padding-top:8px}.sysnow-social-comments p{background:#f4f7fa;padding:8px 11px;border-radius:9px;margin:7px 0;font-size:13px}.sysnow-social-comments form{display:flex;flex-direction:row;gap:8px;margin-top:10px}.sysnow-social-comments input{min-width:0;flex:1;border:1px solid #d5dfe8;border-radius:8px;padding:9px}.sysnow-social-comments button{border:0;background:#eaf4fc;color:var(--ss-blue);font-weight:700;border-radius:8px;padding:8px 12px;cursor:pointer}.sysnow-social-sidebar .sysnow-social-card{padding:18px}.sysnow-social-member-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.sysnow-social-member{text-align:center}.sysnow-social-member>img{border-radius:50%}.sysnow-social-member h3{margin:10px 0 4px}.sysnow-social-member p{font-size:13px;min-height:38px}.sysnow-social-search{display:flex;gap:10px;margin-bottom:20px}.sysnow-social-group-icon{width:45px;height:45px;border-radius:12px;display:grid;place-items:center;background:#e4f3fd;color:var(--ss-blue);font-size:21px;font-weight:800}.sysnow-social-success{color:#167348!important;font-weight:700}.sysnow-social-profile{text-align:center;max-width:760px;margin:0 auto}.sysnow-social-profile>img{border-radius:50%;border:4px solid #e6f4fc}.sysnow-social-profile form{text-align:left;margin-top:18px}.sysnow-social-profile label{margin-bottom:12px}.sysnow-social-message{border-top:1px solid #e7edf2;padding:12px 0}.sysnow-social-message p{margin:5px 0}.sysnow-social-message small,.sysnow-social-notification small{display:block;color:#8292a1;font-size:11px}.sysnow-social-notification{padding:13px 10px;border-bottom:1px solid #e8edf2}.sysnow-social-notification.unread{background:#f0f8fe;border-left:3px solid var(--ss-blue)}.sysnow-social-notification form{display:flex;flex-direction:row;gap:8px;margin-top:10px}.sysnow-social-notice{padding:12px 14px;border-radius:9px;background:#eaf4fc;color:#245778;margin:12px 0}.sysnow-social-notice.success{background:#e8f8ef;color:#176b42}.sysnow-social-empty{text-align:center;padding:36px}.sysnow-social-auth{max-width:540px;margin:15px auto}.sysnow-social-auth form{display:flex;flex-direction:column;gap:13px}.sysnow-social-auth form p{margin:0}.sysnow-social-auth .login-remember{display:flex;align-items:center;gap:8px}.sysnow-social-auth .login-remember input{width:auto}.sysnow-social-auth .login-submit input{background:var(--ss-blue);color:white;border:0;cursor:pointer;font-weight:700}.sysnow-social-app a:focus-visible,.sysnow-social-app button:focus-visible{outline:3px solid #80cfff;outline-offset:2px}@media(max-width:900px){.sysnow-social-layout{grid-template-columns:minmax(0,1fr)}.sysnow-social-sidebar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.sysnow-social-member-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sysnow-social-header{gap:12px}.sysnow-social-header nav{order:3;flex-basis:100%}.sysnow-social-account{margin-left:auto}}@media(max-width:600px){.sysnow-social-app{margin:8px;border-radius:10px}.sysnow-social-main{padding:13px}.sysnow-social-header{padding:12px}.sysnow-social-header nav{overflow-x:auto;flex-wrap:nowrap}.sysnow-social-header nav a{white-space:nowrap;padding:8px}.sysnow-social-account{font-size:12px}.sysnow-social-hero{padding:28px 22px}.sysnow-social-feature-grid,.sysnow-social-member-grid,.sysnow-social-sidebar{grid-template-columns:minmax(0,1fr)}.sysnow-social-page-title{align-items:flex-start;flex-direction:column}.sysnow-social-card{padding:15px}.sysnow-social-form-row{align-items:stretch;flex-direction:column}.sysnow-social-form-row select{width:100%}.sysnow-social-search{flex-direction:column}.sysnow-social-comments form{flex-wrap:wrap}.sysnow-social-comments input{flex-basis:100%}}
/* v1.2.0: Home navigation and professional profile */
.sysnow-social-profile-shell{max-width:940px;margin:0 auto}.sysnow-social-profile-cover{height:150px;border-radius:14px 14px 0 0;background:linear-gradient(115deg,#0c477c,#1686c2 62%,#63c6e7);position:relative;overflow:hidden}.sysnow-social-profile-cover:after{content:"";position:absolute;width:250px;height:250px;border:1px solid #ffffff55;border-radius:50%;right:8%;top:-115px;box-shadow:0 0 0 30px #ffffff12,0 0 0 60px #ffffff0b}.sysnow-social-profile-intro{border-radius:0 0 13px 13px;margin-top:0;text-align:left;padding:0 26px 24px}.sysnow-social-profile-intro>img{margin-top:-55px;position:relative;background:#fff;padding:4px;width:112px;height:112px;object-fit:cover}.sysnow-social-profile-intro h1{font-size:30px;margin:10px 0 3px;color:#1c3347}.sysnow-social-profile-intro p{margin:6px 0}.sysnow-social-profile-intro .sysnow-social-profile-headline{font-size:17px;font-weight:700;color:#2d465b}.sysnow-social-profile-location{font-size:13px}.sysnow-social-profile-stats{display:flex;gap:22px;flex-wrap:wrap;padding:12px 0;border-top:1px solid #e8eef3;border-bottom:1px solid #e8eef3;margin:14px 0}.sysnow-social-profile-stats span{font-size:13px;color:#687b8d}.sysnow-social-profile-stats strong{color:#1769aa}.sysnow-social-profile-sections{display:grid;grid-template-columns:minmax(0,1fr);gap:0;margin-top:16px}.sysnow-social-profile-sections .sysnow-social-card{margin-bottom:12px}.sysnow-social-profile-sections h2,.sysnow-social-profile-edit h2{font-size:19px;margin:0 0 10px}.sysnow-social-profile-edit{margin-top:16px}.sysnow-social-profile-edit form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 18px}.sysnow-social-profile-edit form label:nth-of-type(7),.sysnow-social-profile-edit form label:nth-of-type(n+8),.sysnow-social-profile-edit form button{grid-column:1/-1}.sysnow-social-profile-edit form label{margin:0}.sysnow-social-header nav a[href*="community-home"]{color:#1769aa;background:#eaf4fc}@media(max-width:600px){.sysnow-social-profile-cover{height:105px}.sysnow-social-profile-intro{padding:0 16px 18px}.sysnow-social-profile-intro h1{font-size:25px}.sysnow-social-profile-edit form{grid-template-columns:minmax(0,1fr)}.sysnow-social-profile-edit form label,.sysnow-social-profile-edit form button{grid-column:1}}
/* v1.3.0: public registration, paged member directory, resume link and account menu */
.sysnow-social-header{position:relative;z-index:20}.sysnow-social-account{position:relative;z-index:25}.sysnow-social-user-menu{position:relative}.sysnow-social-user-menu summary{display:flex;align-items:center;gap:8px;cursor:pointer;list-style:none;font-weight:700;max-width:240px}.sysnow-social-user-menu summary::-webkit-details-marker{display:none}.sysnow-social-user-menu summary img{border-radius:50%;flex:0 0 28px}.sysnow-social-user-menu-panel{position:absolute;right:0;top:calc(100% + 10px);min-width:190px;padding:8px;background:#fff;border:1px solid #dce6ee;border-radius:10px;box-shadow:0 12px 30px #15344b25;display:flex;flex-direction:column;gap:2px;z-index:1000}.sysnow-social-user-menu-panel .sysnow-social-link{display:block;padding:10px 12px;border-radius:7px;white-space:nowrap}.sysnow-social-user-menu-panel .sysnow-social-link:hover{background:#edf6fd}.sysnow-social-members-scroll{max-height:1200px;overflow-y:auto;overflow-x:hidden;padding:2px 4px 4px 0;scrollbar-gutter:stable}.sysnow-social-members-scroll::-webkit-scrollbar{width:9px}.sysnow-social-members-scroll::-webkit-scrollbar-track{background:#edf2f6;border-radius:9px}.sysnow-social-members-scroll::-webkit-scrollbar-thumb{background:#a9bdcc;border-radius:9px}.sysnow-social-member-grid{grid-template-columns:repeat(5,minmax(0,1fr));align-items:stretch}.sysnow-social-member{overflow-wrap:anywhere}.sysnow-social-member h3{font-size:15px}.sysnow-social-member-headline{font-weight:700;color:#315a78!important;min-height:0!important}.sysnow-social-pagination{display:flex;gap:7px;flex-wrap:wrap;justify-content:center;align-items:center;margin:20px 0}.sysnow-social-pagination a,.sysnow-social-pagination span{display:inline-flex;min-width:36px;height:36px;align-items:center;justify-content:center;padding:0 9px;border:1px solid #cbd9e4;border-radius:7px;background:#fff;color:#1769aa;text-decoration:none;font-weight:700}.sysnow-social-pagination .current{background:#1769aa;border-color:#1769aa;color:#fff}.sysnow-social-header nav{flex-wrap:wrap}.sysnow-social-header nav a{white-space:nowrap}@media(max-width:1200px){.sysnow-social-member-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:980px){.sysnow-social-member-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:700px){.sysnow-social-member-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sysnow-social-user-menu summary span:nth-of-type(1){max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sysnow-social-user-menu-panel{right:0}}@media(max-width:440px){.sysnow-social-member-grid{grid-template-columns:minmax(0,1fr)}.sysnow-social-account{max-width:145px}}
/* v1.5.0: flush header, simplified menu and home feed with community details in the right sidebar */
.sysnow-social-app{width:100%;max-width:none;margin:0 auto;border-radius:0;border-top:0;}
.sysnow-social-header{margin-top:0;border-radius:0;}
.sysnow-social-main{padding-top:20px;}
.sysnow-social-layout{grid-template-columns:minmax(0,1fr) 310px;gap:22px;}
.sysnow-social-home-intro h2{font-size:22px;line-height:1.25;margin:8px 0 10px;color:#1c3347;}
.sysnow-social-home-intro .sysnow-social-button{margin-top:5px;}
.sysnow-social-sidebar{position:relative;min-width:0;}
.sysnow-social-sidebar .sysnow-social-card{overflow-wrap:anywhere;}
@media(max-width:900px){.sysnow-social-layout{grid-template-columns:minmax(0,1fr)}.sysnow-social-sidebar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}}
@media(max-width:600px){.sysnow-social-app{margin:0;border-radius:0}.sysnow-social-main{padding:14px}.sysnow-social-sidebar{grid-template-columns:minmax(0,1fr)}}
/* v1.6.0 rich post composer and media previews */
.sysnow-social-editor-toolbar{display:flex;align-items:center;gap:7px;flex-wrap:wrap;padding:9px;background:#f4f8fb;border:1px solid #dce6ee;border-radius:9px 9px 0 0}.sysnow-social-editor-toolbar button{min-width:34px;height:32px;border:1px solid #ccd9e4;background:#fff;border-radius:6px;color:#243b53;cursor:pointer}.sysnow-social-editor-toolbar label{display:flex;align-items:center;gap:5px;font-size:12px;font-weight:650}.sysnow-social-editor-toolbar select{width:auto;padding:5px;min-width:88px}.sysnow-social-editor-toolbar input[type=color]{width:35px;height:30px;padding:2px;border:1px solid #ccd9e4;border-radius:5px}.sysnow-social-rich-editor{min-height:115px;padding:13px;border:1px solid #dce6ee;border-top:0;border-radius:0 0 9px 9px;background:#fff;color:#243b53;outline:none;overflow-wrap:anywhere}.sysnow-social-rich-editor:empty:before{content:attr(data-placeholder);color:#8495a4;pointer-events:none}.sysnow-social-rich-editor:focus{box-shadow:0 0 0 2px #b6ddf7}.sysnow-social-upload-label{display:flex;flex-direction:column;gap:6px;margin:12px 0;font-size:13px;font-weight:650}.sysnow-social-composer small{display:block;color:#6f8291;margin:5px 0 12px}.sysnow-social-video-player{position:relative;width:100%;aspect-ratio:16/9;margin:12px 0;overflow:hidden;border-radius:10px;background:#071522}.sysnow-social-video-player iframe,.sysnow-social-video-player video{position:absolute;inset:0;width:100%;height:100%;border:0}.sysnow-social-post-body{overflow-wrap:anywhere}.sysnow-social-post-body p:first-child{margin-top:0}.sysnow-social-post-body p:last-child{margin-bottom:0}

/* v1.7.0: author-controlled post management and connection states */
.sysnow-social-post-manage{margin:8px 0;padding:8px 10px;border:1px solid #e0e8ef;border-radius:9px;background:#f8fbfd}.sysnow-social-post-manage>summary{cursor:pointer;font-size:13px;font-weight:700;color:#1769aa}.sysnow-social-post-manage form{margin:10px 0}.sysnow-social-post-manage label{display:block;font-size:13px;font-weight:650;margin:8px 0}.sysnow-social-post-manage textarea,.sysnow-social-post-manage input[type=url]{width:100%;box-sizing:border-box}.sysnow-social-button.danger{background:#fff0f0;color:#a32323;border:1px solid #e7bcbc}.sysnow-social-connection-status{display:inline-flex;align-items:center;justify-content:center;padding:9px 13px;border:1px solid #b8d9c4;border-radius:8px;background:#eef9f1;color:#176b42;font-size:13px;font-weight:700}.sysnow-social-member .sysnow-social-button:disabled{opacity:.75;cursor:default}.sysnow-social-post-manage .sysnow-social-form-row{margin-top:10px}

/* v1.8.0 Facebook-style mutually exclusive post composer */
.sysnow-social-composer-user{display:flex;align-items:center;gap:12px;margin-bottom:15px}.sysnow-social-composer-user img{border-radius:50%}.sysnow-social-composer-user h3{margin:0}.sysnow-social-composer-user small{color:#748596}.sysnow-social-post-type{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:13px}.sysnow-social-post-type label{cursor:pointer;display:block}.sysnow-social-post-type input{position:absolute;opacity:0;pointer-events:none}.sysnow-social-post-type span{display:flex;justify-content:center;align-items:center;min-height:42px;border:1px solid #dce4ec;border-radius:8px;color:#496276;font-weight:700;background:#fff}.sysnow-social-post-type input:checked+span{background:#eaf5fd;border-color:#1769aa;color:#1769aa}.sysnow-social-post-type-panel[hidden]{display:none!important}.sysnow-social-public-label{color:#65788a;font-size:12px}@media(max-width:420px){.sysnow-social-post-type{grid-template-columns:1fr}}

/* v2.0.0: unified Facebook-style composer with attach and preview */
.sysnow-social-attach-wrap{border:1px solid #dce4ec;border-radius:10px;padding:10px 12px;background:#fbfdff}.sysnow-social-attach-panel{margin-top:10px;padding:12px;border-top:1px solid #e5edf3}.sysnow-social-attach-panel[hidden],.sysnow-social-preview[hidden]{display:none!important}.sysnow-social-attach-panel .sysnow-social-upload-label{margin:8px 0}.sysnow-social-post-buttons{display:flex;align-items:center;gap:8px}.sysnow-social-preview{border:1px solid #cbdce9;background:#f8fbfe;border-radius:10px;padding:14px;margin:12px 0}.sysnow-social-preview>strong{display:block;margin-bottom:10px;color:#1769aa}.sysnow-social-preview-content{overflow-wrap:anywhere;white-space:normal}.sysnow-social-preview-content img{display:block;max-width:100%;max-height:420px;border-radius:9px;margin-top:10px}.sysnow-social-preview-content a{overflow-wrap:anywhere}.sysnow-social-composer .sysnow-social-rich-editor{min-height:120px;border:1px solid #dce4ec;border-radius:10px;font-size:17px}.sysnow-social-composer .sysnow-social-form-row{margin-top:4px}@media(max-width:520px){.sysnow-social-post-buttons{width:100%}.sysnow-social-post-buttons button{flex:1}.sysnow-social-composer .sysnow-social-form-row{align-items:stretch}}