@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
:root{
  --bg:#08070f;--bg2:#0f0e1a;--bg3:#161428;--card:#1a1830;--card2:#201e38;
  --p1:#a855f7;--p2:#ec4899;--p3:#06b6d4;--p4:#f59e0b;
  --grad:linear-gradient(135deg,#a855f7,#ec4899);
  --grad2:linear-gradient(135deg,#06b6d4,#a855f7);
  --grad3:linear-gradient(135deg,#f59e0b,#ec4899);
  --text:#f8f7ff;--muted:#8b85b0;--subtle:#4a4670;
  --border:rgba(168,85,247,0.15);--border2:rgba(168,85,247,0.32);
  --r:16px;--r2:12px;
}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;padding-bottom:calc(64px + env(safe-area-inset-bottom))}
.hidden{display:none!important}
.grad-text{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.grad-bg{background:var(--grad)!important}

/* LOGIN */
#login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 30% 40%,rgba(168,85,247,.18) 0%,transparent 55%),radial-gradient(ellipse at 75% 70%,rgba(236,72,153,.12) 0%,transparent 50%),var(--bg);padding:20px}
.login-box{background:var(--card);border:1px solid var(--border2);border-radius:24px;padding:40px 28px;text-align:center;max-width:360px;width:100%;box-shadow:0 24px 80px rgba(0,0,0,.6);border-top:2px solid var(--p1);position:relative;overflow:hidden}
.login-glow{position:absolute;top:-60px;left:50%;transform:translateX(-50%);width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(168,85,247,.25) 0%,transparent 70%);pointer-events:none}
.login-emblem{font-size:52px;margin-bottom:12px;position:relative}
.login-school{font-size:10px;color:var(--muted);letter-spacing:2px;text-transform:uppercase;margin-bottom:8px}
.login-title{font-family:'Syne',sans-serif;font-size:32px;font-weight:900;color:var(--text);margin-bottom:8px}
.login-sub{font-size:13px;color:var(--muted);margin-bottom:28px;line-height:1.6}
#google-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;background:#fff;color:#333;border:none;border-radius:14px;padding:14px 20px;font-family:'Plus Jakarta Sans',sans-serif;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 4px 20px rgba(0,0,0,.3);margin-bottom:14px}
#google-btn:hover{background:#f5f5f5;transform:translateY(-1px)}
.login-note{font-size:11px;color:var(--subtle);line-height:1.5;margin-top:6px}

/* TOPBAR */
.topbar{position:sticky;top:0;z-index:100;background:rgba(8,7,15,.92);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:12px 16px;display:flex;align-items:center;justify-content:space-between}
.topbar-logo{font-family:'Syne',sans-serif;font-size:18px;font-weight:900;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.topbar-sub{font-size:9px;color:var(--muted);letter-spacing:1.5px;text-transform:uppercase;margin-top:1px}
.topbar-right{display:flex;align-items:center;gap:10px}
.notif-btn{background:none;border:none;color:var(--muted);font-size:19px;cursor:pointer;padding:2px}
.user-av{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Syne',sans-serif;font-size:12px;font-weight:800;color:#fff;flex-shrink:0;overflow:hidden;border:2px solid rgba(168,85,247,.4)}
.user-av img{width:100%;height:100%;object-fit:cover;border-radius:50%}

/* BOTTOM NAV */
.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:200;background:rgba(8,7,15,.96);backdrop-filter:blur(20px);border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-around;height:calc(64px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom)}
.bnav-btn{display:flex;flex-direction:column;align-items:center;gap:3px;background:none;border:none;cursor:pointer;padding:6px 10px;color:var(--subtle);transition:all .2s;flex:1}
.bnav-btn.active{color:var(--p1)}
.bnav-icon{font-size:20px;line-height:1;transition:transform .2s}
.bnav-btn.active .bnav-icon{transform:scale(1.15)}
.bnav-label{font-size:9px;font-weight:600;letter-spacing:.3px;text-transform:uppercase}
.bnav-center{position:relative;top:-6px;flex:0;padding:0 16px}
.bnav-fab{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:0 4px 20px rgba(168,85,247,.5)}

/* PAGES */
.page{display:none;min-height:calc(100vh - 128px)}.page.active{display:block}

/* STORIES */
.stories-row{display:flex;gap:12px;padding:14px 16px;overflow-x:auto;scrollbar-width:none;background:var(--bg);border-bottom:1px solid var(--border)}
.stories-row::-webkit-scrollbar{display:none}
.story{display:flex;flex-direction:column;align-items:center;gap:5px;cursor:pointer;flex-shrink:0}
.story-ring{width:58px;height:58px;border-radius:50%;padding:2.5px;background:var(--grad)}
.story-ring.seen{background:var(--card2)}
.story-av{width:100%;height:100%;border-radius:50%;background:var(--card2);border:2px solid var(--bg);display:flex;align-items:center;justify-content:center;font-family:'Syne',sans-serif;font-size:15px;font-weight:800;color:var(--text);overflow:hidden}
.story-av img{width:100%;height:100%;object-fit:cover}
.story-name{font-size:10px;color:var(--muted);max-width:62px;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* COMPOSE BAR */
.compose-bar{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--bg);border-bottom:1px solid var(--border);cursor:pointer}
.compose-placeholder{flex:1;background:var(--card);border:1px solid var(--border);border-radius:24px;padding:10px 16px;font-size:13px;color:var(--subtle)}
.compose-btn{background:var(--grad);border:none;color:#fff;border-radius:24px;padding:9px 16px;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap;font-family:'Plus Jakarta Sans',sans-serif}

/* FEED */
.feed{display:flex;flex-direction:column;gap:1px;background:var(--border)}
.feed-loading{padding:40px;text-align:center;font-size:13px;color:var(--muted);background:var(--bg)}
.post-card{background:var(--bg);padding:16px}
.post-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.post-av{width:38px;height:38px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-family:'Syne',sans-serif;font-size:13px;font-weight:800;color:#fff;overflow:hidden}
.post-av img{width:100%;height:100%;object-fit:cover}
.post-info{flex:1}
.post-name{font-family:'Syne',sans-serif;font-size:13px;font-weight:700}
.post-meta{font-size:10px;color:var(--muted);margin-top:1px}
.post-more{background:none;border:none;color:var(--muted);cursor:pointer;font-size:20px;padding:0 2px}
.post-body{font-size:13px;color:var(--text);line-height:1.65;margin-bottom:12px}
.post-img{width:100%;border-radius:var(--r2);margin-bottom:12px;max-height:320px;object-fit:cover;display:block}
.post-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.ptag{background:rgba(168,85,247,.12);color:var(--p1);font-size:10px;padding:3px 10px;border-radius:20px;font-weight:600}
.reactions-row{display:flex;gap:6px;margin-bottom:10px;flex-wrap:wrap}
.react-pill{display:flex;align-items:center;gap:4px;background:var(--card);border:1px solid var(--border);border-radius:20px;padding:5px 10px;cursor:pointer;transition:all .2s;font-size:12px;color:var(--muted)}
.react-pill:active,.react-pill.reacted{border-color:var(--border2);background:rgba(168,85,247,.1);color:var(--text)}
.react-pill .re{font-size:14px}
.post-actions{display:flex;border-top:1px solid var(--border);padding-top:10px}
.paction{flex:1;background:none;border:none;cursor:pointer;color:var(--muted);font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:5px;padding:6px 4px;border-radius:8px;transition:all .2s;font-family:'Plus Jakarta Sans',sans-serif}
.paction:active{color:var(--text);background:rgba(255,255,255,.04)}
.paction.liked{color:var(--p2)}

/* GALLERY */
.gallery-toolbar{display:flex;gap:8px;padding:12px 16px;overflow-x:auto;scrollbar-width:none;background:var(--bg);border-bottom:1px solid var(--border)}
.gallery-toolbar::-webkit-scrollbar{display:none}
.gtab{background:var(--card);border:1px solid var(--border);color:var(--muted);font-size:11px;font-weight:600;padding:7px 14px;border-radius:20px;cursor:pointer;transition:all .2s;white-space:nowrap;font-family:'Plus Jakarta Sans',sans-serif;flex-shrink:0}
.gtab.active{background:var(--grad);border-color:transparent;color:#fff}
.upload-tab{background:rgba(168,85,247,.1);border-color:var(--border2);color:var(--p1)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px}
.gallery-item{aspect-ratio:1;position:relative;cursor:pointer;overflow:hidden;background:var(--card)}
.gallery-item:first-child{grid-column:span 2;aspect-ratio:2/1}
.gallery-thumb{width:100%;height:100%;object-fit:cover;display:flex;align-items:center;justify-content:center;font-size:32px;transition:transform .35s}
.gallery-item:active .gallery-thumb{transform:scale(1.05)}
.gallery-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.65) 0%,transparent 60%)}
.gallery-info{position:absolute;bottom:8px;left:8px;right:8px}
.gallery-title{font-size:11px;font-weight:700;color:#fff;line-height:1.3}
.gallery-likes{font-size:10px;color:rgba(255,255,255,.7)}

/* LIGHTBOX */
.lightbox{position:fixed;inset:0;z-index:500;background:rgba(0,0,0,.96);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px}
.lb-close{position:absolute;top:16px;right:16px;background:rgba(255,255,255,.1);border:none;color:#fff;width:38px;height:38px;border-radius:50%;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.lb-content{max-width:100%;max-height:65vh;font-size:80px;display:flex;align-items:center;justify-content:center;border-radius:var(--r2);overflow:hidden}
.lb-content img{max-width:100%;max-height:65vh;object-fit:contain;border-radius:var(--r2)}
.lb-meta{text-align:center;margin-top:16px}
.lb-title{font-family:'Syne',sans-serif;font-size:16px;font-weight:700;margin-bottom:4px}
.lb-sub{font-size:12px;color:var(--muted)}
.lb-actions{display:flex;gap:10px;margin-top:14px}
.lb-btn{background:var(--card);border:1px solid var(--border);color:var(--text);font-size:12px;padding:8px 18px;border-radius:20px;cursor:pointer;font-family:'Plus Jakarta Sans',sans-serif}

/* CHAT */
.chat-tabs{display:flex;background:var(--bg);border-bottom:1px solid var(--border)}
.chat-tab{flex:1;background:none;border:none;border-bottom:2px solid transparent;color:var(--muted);font-size:12px;font-weight:600;padding:13px;cursor:pointer;transition:all .2s;font-family:'Plus Jakarta Sans',sans-serif}
.chat-tab.active{color:var(--p1);border-bottom-color:var(--p1)}
.chat-section{display:none;flex-direction:column;height:calc(100vh - 200px)}
.chat-section.active{display:flex}
.online-strip{display:flex;gap:8px;padding:10px 14px;overflow-x:auto;background:var(--bg2);border-bottom:1px solid var(--border);scrollbar-width:none;flex-shrink:0}
.online-strip::-webkit-scrollbar{display:none}
.online-chip{display:flex;align-items:center;gap:6px;background:var(--card);border:1px solid var(--border);border-radius:20px;padding:4px 10px 4px 4px;white-space:nowrap;flex-shrink:0}
.online-chip-av{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:800;color:#fff;font-family:'Syne',sans-serif;position:relative;flex-shrink:0}
.online-chip-av::after{content:'';position:absolute;bottom:0;right:0;width:6px;height:6px;border-radius:50%;background:#22c55e;border:1.5px solid var(--card)}
.online-chip-name{font-size:10px;font-weight:600;color:var(--muted)}
.anon-notice{background:rgba(168,85,247,.08);border-bottom:1px solid var(--border);padding:10px 16px;font-size:11px;color:var(--muted);flex-shrink:0}
.chat-msgs{flex:1;overflow-y:auto;padding:12px 14px;display:flex;flex-direction:column;gap:10px}
.chat-empty{text-align:center;padding:40px;font-size:12px;color:var(--subtle)}
.chat-date-div{text-align:center;font-size:9px;color:var(--subtle);letter-spacing:1px;text-transform:uppercase;margin:4px 0}
.cmsg{display:flex;gap:8px;max-width:82%}.cmsg.mine{flex-direction:row-reverse;align-self:flex-end}
.cmsg-av{width:28px;height:28px;min-width:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:800;color:#fff;font-family:'Syne',sans-serif;align-self:flex-end;flex-shrink:0}
.cmsg-name{font-size:9px;color:var(--muted);margin-bottom:3px;font-weight:600;letter-spacing:.3px}
.cmsg-name.r{text-align:right}
.cmsg-bubble{background:var(--card);border:1px solid var(--border);border-radius:18px;border-bottom-left-radius:4px;padding:9px 13px;font-size:13px;line-height:1.5;color:var(--text)}
.cmsg.mine .cmsg-bubble{background:var(--grad);border:none;border-radius:18px;border-bottom-right-radius:4px;color:#fff}
.cmsg-time{font-size:9px;color:var(--subtle);margin-top:3px}
.cmsg.mine .cmsg-time{text-align:right}
.chat-inp-wrap{padding:10px 12px;border-top:1px solid var(--border);display:flex;gap:8px;align-items:center;background:var(--bg);flex-shrink:0;padding-bottom:max(10px,env(safe-area-inset-bottom))}
.chat-inp{flex:1;background:var(--card);border:1px solid var(--border);border-radius:24px;color:var(--text);font-family:'Plus Jakarta Sans',sans-serif;font-size:13px;padding:10px 16px;outline:none}
.chat-inp:focus{border-color:var(--border2)}
.chat-inp::placeholder{color:var(--subtle)}
.send-btn{background:var(--grad);border:none;color:#fff;border-radius:50%;width:40px;height:40px;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .15s}
.send-btn:active{transform:scale(.9)}

/* CLASSMATES */
.search-bar{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--bg);border-bottom:1px solid var(--border);position:sticky;top:54px;z-index:10}
.search-inp{flex:1;background:var(--card);border:1px solid var(--border);border-radius:24px;color:var(--text);font-family:'Plus Jakarta Sans',sans-serif;font-size:13px;padding:9px 16px;outline:none}
.search-inp:focus{border-color:var(--border2)}
.search-inp::placeholder{color:var(--subtle)}
.profile-list{display:flex;flex-direction:column;gap:1px;background:var(--border)}
.classmate-row{background:var(--bg);display:flex;align-items:center;gap:12px;padding:14px 16px;cursor:pointer;transition:background .15s}
.classmate-row:active{background:var(--bg2)}
.cm-av{width:46px;height:46px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-family:'Syne',sans-serif;font-size:15px;font-weight:800;color:#fff}
.cm-info{flex:1;min-width:0}
.cm-name{font-family:'Syne',sans-serif;font-size:14px;font-weight:700}
.cm-role{font-size:11px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cm-right{display:flex;align-items:center;gap:8px;flex-shrink:0}
.cm-badge{font-size:9px;font-weight:700;padding:3px 8px;border-radius:10px;background:rgba(168,85,247,.12);color:var(--p1)}
.cm-dm{background:var(--grad);border:none;color:#fff;font-size:11px;font-weight:700;padding:7px 14px;border-radius:20px;cursor:pointer;font-family:'Plus Jakarta Sans',sans-serif}

/* COMMENTS */
.drawer-overlay{position:fixed;inset:0;z-index:299;background:rgba(0,0,0,.55);backdrop-filter:blur(4px)}
.comments-drawer{position:fixed;bottom:0;left:0;right:0;z-index:300;background:var(--bg2);border-radius:24px 24px 0 0;border-top:1px solid var(--border2);transform:translateY(100%);transition:transform .35s cubic-bezier(.34,1.56,.64,1);max-height:75vh;display:flex;flex-direction:column;padding-bottom:max(16px,env(safe-area-inset-bottom))}
.comments-drawer.open{transform:translateY(0)}
.drawer-title{font-family:'Syne',sans-serif;font-size:14px;font-weight:700;padding:0 16px 12px;border-bottom:1px solid var(--border)}
.comments-list{flex:1;overflow-y:auto;padding:12px 16px;display:flex;flex-direction:column;gap:12px}
.comment{display:flex;gap:10px}
.comment-av{width:30px;height:30px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:#fff;font-family:'Syne',sans-serif}
.comment-name{font-size:11px;font-weight:700;margin-bottom:3px}
.comment-text{font-size:12px;color:var(--muted);line-height:1.5}
.comment-time{font-size:9px;color:var(--subtle);margin-top:3px}
.comment-inp-row{display:flex;gap:8px;padding:12px 16px 0;border-top:1px solid var(--border)}

/* MODALS */
.modal-ov{position:fixed;inset:0;z-index:400;background:rgba(0,0,0,.75);backdrop-filter:blur(8px);display:flex;align-items:flex-end;justify-content:center}
.modal-sheet{background:var(--bg2);border-radius:24px 24px 0 0;border-top:1px solid var(--border2);width:100%;max-width:600px;padding:0 16px max(20px,env(safe-area-inset-bottom));max-height:92vh;overflow-y:auto}
.modal-handle{width:36px;height:4px;background:var(--subtle);border-radius:2px;margin:14px auto 18px}
.modal-title{font-family:'Syne',sans-serif;font-size:17px;font-weight:800;margin-bottom:18px}
.fg{margin-bottom:13px}
.fg-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.flabel{display:block;font-size:9px;color:var(--subtle);letter-spacing:2px;text-transform:uppercase;margin-bottom:5px;font-weight:600}
.finp{width:100%;background:var(--bg3);border:1px solid var(--border);border-radius:10px;color:var(--text);font-family:'Plus Jakarta Sans',sans-serif;font-size:13px;padding:10px 13px;outline:none}
.finp:focus{border-color:var(--border2)}
.finp::placeholder{color:var(--subtle)}
.compose-ta{width:100%;background:transparent;border:none;color:var(--text);font-family:'Plus Jakarta Sans',sans-serif;font-size:15px;padding:0;outline:none;resize:none;min-height:110px;line-height:1.65}
.compose-ta::placeholder{color:var(--subtle)}
.compose-divider{height:1px;background:var(--border);margin:14px 0}
.compose-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}
.compose-post-btn{background:var(--grad);border:none;color:#fff;font-family:'Syne',sans-serif;font-size:13px;font-weight:700;padding:11px 24px;border-radius:24px;cursor:pointer}
.modal-footer{display:flex;gap:10px;margin-top:18px;margin-bottom:4px}
.btn-cancel{background:none;border:1px solid var(--border);color:var(--muted);font-family:'Plus Jakarta Sans',sans-serif;font-size:13px;padding:11px 14px;border-radius:12px;cursor:pointer;flex:1}
.btn-ok{background:var(--grad);border:none;color:#fff;font-family:'Plus Jakarta Sans',sans-serif;font-size:13px;font-weight:600;padding:11px 14px;border-radius:12px;cursor:pointer;flex:2}
.form-error{font-size:11px;color:#f87171;margin-top:8px}

/* UPLOAD */
.upzone{border:1.5px dashed var(--border2);border-radius:14px;padding:28px;text-align:center;cursor:pointer;transition:all .2s;margin-bottom:14px;background:rgba(168,85,247,.04)}
.up-ico{font-size:28px;margin-bottom:8px}
.up-txt{font-family:'Syne',sans-serif;font-size:14px;font-weight:700;margin-bottom:3px}
.up-sub{font-size:10px;color:var(--muted)}
.upload-progress{margin-bottom:12px}
.progress-bar{background:var(--card);border-radius:10px;height:6px;overflow:hidden;margin-bottom:6px}
.progress-fill{background:var(--grad);height:100%;width:0;transition:width .3s;border-radius:10px}
.progress-txt{font-size:11px;color:var(--muted);text-align:center}

/* DM */
.dm-thread{background:var(--bg3);border:1px solid var(--border);border-radius:12px;padding:14px;max-height:220px;overflow-y:auto;margin-bottom:12px;display:flex;flex-direction:column;gap:10px}
.dm-msg-sent{font-size:12px;line-height:1.55;text-align:right;color:var(--p1)}
.dm-msg-recv{font-size:12px;line-height:1.55;color:var(--muted)}
.dm-lbl{font-size:9px;color:var(--subtle);display:block;margin-bottom:2px}
.dm-empty{text-align:center;font-size:11px;color:var(--subtle);padding:20px 0}

/* TOAST */
.toast{position:fixed;bottom:calc(80px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);background:var(--card2);border:1px solid var(--border2);color:var(--text);font-size:12px;font-weight:600;padding:10px 20px;border-radius:24px;z-index:999;white-space:nowrap;box-shadow:0 8px 30px rgba(0,0,0,.5);animation:fadeInUp .3s ease}
@keyframes fadeInUp{from{opacity:0;transform:translateX(-50%) translateY(10px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}

::-webkit-scrollbar{width:3px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px}

@media(min-width:600px){
  .modal-sheet{max-width:480px;margin:0 auto;border-radius:24px}
  .modal-ov{align-items:center}
  .bottom-nav,.topbar{max-width:480px;left:50%;transform:translateX(-50%)}
  .bottom-nav{border-radius:24px 24px 0 0}
  body{max-width:480px;margin:0 auto}
}