*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#fafafa;--card:#ffffff;--border:#f0f0f0;--border2:#e8e8e8;
  --text:#1a1a1a;--t2:#666;--t3:#999;--t4:#ccc;
  --acc:#c67030;--acc-light:#fdf5ef;--acc2:#e89050;
  --grn:#34a853;--red:#ea4335;--blue:#4285f4;
  --r:16px;--rs:12px;--rl:24px;
  --shadow:0 1px 3px rgba(0,0,0,.04);
  --shadow2:0 4px 16px rgba(0,0,0,.06);
}
html,body{height:100%}
body{font-family:'Tajawal',sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden;-webkit-font-smoothing:antialiased;font-weight:400}
::-webkit-scrollbar{width:0;height:0}

.app{max-width:430px;margin:0 auto;min-height:100vh;position:relative;background:var(--bg);box-shadow:0 0 40px rgba(0,0,0,.03)}

/* ══════ AUTH SCREENS ══════ */
#authScreen{display:flex;flex-direction:column;min-height:100vh;background:var(--card)}
.auth-top{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 32px}
.auth-logo{font-size:48px;margin-bottom:16px}
.auth-brand{font-size:28px;font-weight:800;color:var(--text);letter-spacing:-.5px;margin-bottom:4px}
.auth-sub{font-size:14px;color:var(--t2);margin-bottom:36px;font-weight:300}
.auth-form{width:100%;max-width:320px}
.auth-field{position:relative;margin-bottom:14px}
.auth-input{width:100%;padding:14px 16px;border:1.5px solid var(--border2);border-radius:var(--rs);font-family:'Tajawal';font-size:15px;color:var(--text);background:var(--bg);outline:none;transition:border .2s}
.auth-input:focus{border-color:var(--acc)}
.auth-input::placeholder{color:var(--t4);font-weight:300}
.auth-label{position:absolute;top:-8px;right:12px;background:var(--card);padding:0 6px;font-size:10px;color:var(--t3);font-weight:500}
.auth-btn{width:100%;padding:14px;border:none;border-radius:var(--rs);font-family:'Tajawal';font-size:16px;font-weight:700;cursor:pointer;transition:all .2s;background:var(--text);color:#fff;margin-top:8px}
.auth-btn:active{transform:scale(.98);opacity:.9}
.auth-switch{text-align:center;margin-top:20px;font-size:13px;color:var(--t2)}
.auth-switch a{color:var(--acc);font-weight:700;cursor:pointer;text-decoration:none}
.auth-divider{display:flex;align-items:center;gap:12px;margin:20px 0;color:var(--t4);font-size:12px}
.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:var(--border)}
.auth-social{display:flex;gap:10px}
.auth-social-btn{flex:1;padding:12px;border:1.5px solid var(--border2);border-radius:var(--rs);background:var(--card);cursor:pointer;font-size:18px;text-align:center;transition:all .2s}
.auth-social-btn:hover{border-color:var(--t4);background:var(--bg)}
.auth-err{color:var(--red);font-size:12px;text-align:center;margin-top:8px;min-height:18px}

/* ══════ HEADER ══════ */
.hdr{position:sticky;top:0;z-index:100;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.88);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.hdr-logo{display:flex;align-items:center;gap:8px;cursor:pointer}
.hdr-logo span{font-size:19px;font-weight:800;color:var(--text);letter-spacing:-.3px}
.hdr-acts{display:flex;gap:6px}
.hdr-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:var(--card);cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center;transition:all .2s;position:relative}
.hdr-btn:active{transform:scale(.9)}
.hdr-dot{position:absolute;top:2px;right:2px;width:8px;height:8px;background:var(--acc);border-radius:50%;border:2px solid var(--card)}

/* ══════ NAV ══════ */
.nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:430px;z-index:100;padding:6px 16px 24px;display:flex;background:rgba(255,255,255,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border)}
.nv{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 0;border:none;background:none;cursor:pointer;position:relative;transition:all .15s}
.nv svg{width:22px;height:22px;stroke:var(--t3);stroke-width:1.8;fill:none;transition:all .15s}
.nv .nv-l{font-size:9px;color:var(--t3);font-weight:500;font-family:'Tajawal'}
.nv.active svg{stroke:var(--text);stroke-width:2.2}
.nv.active .nv-l{color:var(--text);font-weight:700}
.nv-plus{margin-top:-16px;width:48px;height:48px;border-radius:50%;background:var(--text);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(0,0,0,.15);border:3px solid var(--card)}
.nv-plus svg{stroke:#fff;width:20px;height:20px}.nv-plus .nv-l{display:none}.nv-plus.active svg{stroke:#fff}

/* ══════ PAGES ══════ */
.page{display:none;padding-bottom:88px;animation:pgF .3s ease}.page.active{display:block}
@keyframes pgF{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}

/* ══════ FEED ══════ */
.stories{display:flex;gap:12px;padding:14px 16px;overflow-x:auto;scrollbar-width:none;border-bottom:1px solid var(--border)}
.stories::-webkit-scrollbar{display:none}
.story{display:flex;flex-direction:column;align-items:center;gap:4px;cursor:pointer;flex-shrink:0}
.story-ring{width:56px;height:56px;border-radius:50%;padding:2.5px;background:linear-gradient(135deg,var(--acc),var(--acc2),#f0c060)}
.story-ring.add{background:none;border:2px dashed var(--t4)}
.story-inner{width:100%;height:100%;border-radius:50%;border:2.5px solid var(--card);overflow:hidden;display:flex;align-items:center;justify-content:center;font-size:22px;background:var(--bg)}
.story-nm{font-size:9px;color:var(--t2);font-weight:400;max-width:56px;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.compose{margin:14px 16px;display:flex;align-items:center;gap:10px;padding:14px;background:var(--card);border:1px solid var(--border);border-radius:var(--r)}
.compose-av{width:36px;height:36px;border-radius:50%;background:var(--acc-light);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.compose-txt{flex:1;font-size:13px;color:var(--t3);cursor:pointer;font-weight:300}
.compose-icons{display:flex;gap:4px}
.compose-ic{width:32px;height:32px;border-radius:8px;border:none;background:none;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:background .2s}
.compose-ic:hover{background:var(--bg)}

.post{background:var(--card);border:1px solid var(--border);border-radius:var(--r);margin:0 16px 12px;overflow:hidden}
.post-hd{display:flex;align-items:center;gap:10px;padding:14px 16px}
.post-av{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;background:var(--bg)}
.post-user{flex:1}.post-nm{font-size:13px;font-weight:700}.post-tm{font-size:10px;color:var(--t3);font-weight:300}
.post-follow{padding:4px 14px;border-radius:20px;border:1.5px solid var(--text);background:none;font-family:'Tajawal';font-size:11px;font-weight:700;color:var(--text);cursor:pointer;transition:all .2s}
.post-follow.following{background:var(--text);color:#fff;border-color:var(--text)}
.post-follow:active{transform:scale(.95)}
.post-menu{border:none;background:none;font-size:18px;cursor:pointer;color:var(--t3);padding:4px}
.post-img{width:100%;aspect-ratio:4/3;background-size:cover;background-position:center}
.post-video{position:relative}.post-video .play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:52px;height:52px;border-radius:50%;background:rgba(0,0,0,.4);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;transition:all .2s}
.post-video .play svg{width:20px;height:20px;fill:#fff;stroke:none;margin-right:-2px}
.post-video .dur{position:absolute;bottom:10px;left:10px;background:rgba(0,0,0,.55);color:#fff;font-size:10px;padding:2px 8px;border-radius:8px;font-weight:500}

.post-body{padding:12px 16px}
.post-reactions{display:flex;gap:6px;margin-bottom:10px}
.react-btn{padding:4px 10px;border-radius:20px;border:1px solid var(--border);background:var(--card);cursor:pointer;font-size:13px;transition:all .15s;display:flex;align-items:center;gap:3px;font-family:'Tajawal';font-weight:500;color:var(--t2)}
.react-btn:hover{border-color:var(--t4);background:var(--bg)}
.react-btn.reacted{border-color:var(--acc);background:var(--acc-light);color:var(--acc)}
.react-btn.reacted .react-icon{animation:cupShake .5s ease}
.react-btn .rc{font-size:10px}
.react-icon{display:inline-block;transition:transform .2s}

@keyframes cupShake{
  0%{transform:rotate(0deg)}
  15%{transform:rotate(-15deg) scale(1.2)}
  30%{transform:rotate(12deg) scale(1.3)}
  45%{transform:rotate(-10deg) scale(1.2)}
  60%{transform:rotate(8deg) scale(1.15)}
  75%{transform:rotate(-5deg) scale(1.1)}
  90%{transform:rotate(3deg) scale(1.05)}
  100%{transform:rotate(0deg) scale(1)}
}

.post-act .like-icon{display:inline-block;transition:transform .2s}
.post-act.liked .like-icon{animation:cupShake .5s ease}
.post-act.liked{color:var(--acc)}
.post-txt{font-size:13px;line-height:1.8;margin-bottom:8px;font-weight:400}
.post-tags{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:10px}
.post-tag{color:var(--acc);font-size:11px;font-weight:500;cursor:pointer}
.post-stats{display:flex;justify-content:space-between;padding:8px 0;border-top:1px solid var(--border);font-size:11px;color:var(--t3);font-weight:300}

.post-actions{display:flex;border-top:1px solid var(--border)}
.post-act{flex:1;display:flex;align-items:center;justify-content:center;gap:5px;padding:10px;border:none;background:none;cursor:pointer;font-family:'Tajawal';font-size:12px;color:var(--t2);font-weight:500;transition:all .15s;border-left:1px solid var(--border)}
.post-act:last-child{border-left:none}
.post-act:hover{background:var(--bg);color:var(--text)}

/* Comments */
.comments-section{border-top:1px solid var(--border);padding:12px 16px;display:none}
.comments-section.show{display:block}
.comment{display:flex;gap:8px;margin-bottom:10px}
.comment-av{width:28px;height:28px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;margin-top:2px}
.comment-body{flex:1}
.comment-name{font-size:11px;font-weight:700;margin-bottom:1px}
.comment-text{font-size:12px;color:var(--t2);line-height:1.5;font-weight:400}
.comment-time{font-size:9px;color:var(--t3);margin-top:2px;font-weight:300}
.comment-input-row{display:flex;gap:8px;margin-top:8px}
.comment-inp{flex:1;padding:8px 14px;border:1px solid var(--border);border-radius:20px;font-family:'Tajawal';font-size:12px;color:var(--text);background:var(--bg);outline:none}
.comment-inp::placeholder{color:var(--t4)}
.comment-send{width:32px;height:32px;border-radius:50%;border:none;background:var(--text);color:#fff;cursor:pointer;font-size:13px;display:flex;align-items:center;justify-content:center}

/* ══════ CHATS ══════ */
.search-bar{margin:10px 16px;position:relative}
.search-bar input{width:100%;padding:10px 14px 10px 36px;border:1px solid var(--border);border-radius:var(--rs);font-family:'Tajawal';font-size:13px;color:var(--text);background:var(--card);outline:none}
.search-bar input::placeholder{color:var(--t4);font-weight:300}
.search-bar .s-ic{position:absolute;top:50%;left:12px;transform:translateY(-50%);font-size:14px;color:var(--t3)}

.chat-item{display:flex;align-items:center;gap:10px;padding:12px 16px;cursor:pointer;transition:background .15s;border-bottom:1px solid var(--border)}
.chat-item:hover{background:var(--bg)}
.chat-av{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;position:relative;background:var(--bg)}
.chat-online{position:absolute;bottom:1px;left:1px;width:12px;height:12px;background:var(--grn);border-radius:50%;border:2.5px solid var(--card)}
.chat-info{flex:1;min-width:0}.chat-nm{font-size:14px;font-weight:700;margin-bottom:2px}.chat-last{font-size:11px;color:var(--t3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:300}
.chat-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px}
.chat-time{font-size:10px;color:var(--t3);font-weight:300}
.chat-badge{min-width:20px;height:20px;background:var(--acc);color:#fff;border-radius:10px;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 6px}

.chatroom{display:none;flex-direction:column;height:calc(100vh - 56px)}
.chatroom.active{display:flex}
.cr-hdr{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--border);background:var(--card)}
.cr-back{border:none;background:none;font-size:18px;cursor:pointer;padding:4px}
.cr-av{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;background:var(--bg);flex-shrink:0}
.cr-info{flex:1}.cr-nm{font-size:14px;font-weight:700}.cr-st{font-size:9px;font-weight:500}
.cr-acts{display:flex;gap:4px}
.cr-act{width:34px;height:34px;border-radius:50%;border:1px solid var(--border);background:var(--card);cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .15s}
.cr-act:active{transform:scale(.9)}

.msgs{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:4px;background:var(--bg)}
.msg{max-width:78%;padding:10px 14px;border-radius:18px;font-size:13px;line-height:1.6;animation:msgIn .25s ease;font-weight:400}
@keyframes msgIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.msg-sent{align-self:flex-start;background:var(--text);color:#fff;border-bottom-right-radius:4px}
.msg-recv{align-self:flex-end;background:var(--card);border:1px solid var(--border);border-bottom-left-radius:4px}
.msg-time{font-size:8px;opacity:.5;margin-top:2px;display:block;font-weight:300}

.chat-input{display:flex;align-items:center;gap:6px;padding:10px 14px;background:var(--card);border-top:1px solid var(--border)}
.chat-inp{flex:1;padding:10px 14px;border-radius:24px;font-family:'Tajawal';font-size:13px;color:var(--text);background:var(--bg);border:1px solid var(--border);outline:none}
.chat-inp::placeholder{color:var(--t4);font-weight:300}
.chat-att{width:34px;height:34px;border-radius:50%;border:none;background:none;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;color:var(--t3)}
.chat-snd{width:36px;height:36px;border-radius:50%;border:none;background:var(--text);color:#fff;font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s}
.chat-snd:active{transform:scale(.9)}

/* ══════ CALLS ══════ */
.call-tabs{display:flex;padding:10px 16px;gap:6px}
.ctab{padding:6px 16px;border-radius:20px;font-family:'Tajawal';font-size:12px;font-weight:500;color:var(--t2);cursor:pointer;border:1px solid var(--border);background:var(--card);transition:all .15s}
.ctab.active{background:var(--text);color:#fff;border-color:var(--text)}

.call-item{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--border)}
.call-av{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;background:var(--bg);flex-shrink:0}
.call-info{flex:1}.call-nm{font-size:13px;font-weight:700;margin-bottom:2px}.call-det{font-size:10px;color:var(--t3);font-weight:300}
.call-btns{display:flex;gap:6px}
.call-btn{width:34px;height:34px;border-radius:50%;border:1px solid var(--border);background:var(--card);cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .15s}
.call-btn:active{transform:scale(.9)}

/* Call screen overlay */
.callscr{display:none;position:fixed;inset:0;z-index:1000;flex-direction:column;align-items:center;justify-content:center;background:var(--text);animation:pgF .3s ease}
.callscr.active{display:flex}
.cs-av{width:96px;height:96px;border-radius:50%;background:linear-gradient(135deg,var(--acc),var(--acc2));display:flex;align-items:center;justify-content:center;font-size:44px;margin-bottom:20px;animation:csPulse 2s infinite}
@keyframes csPulse{0%,100%{box-shadow:0 0 0 0 rgba(198,112,48,.3)}50%{box-shadow:0 0 0 24px rgba(198,112,48,0)}}
.cs-nm{color:#fff;font-size:22px;font-weight:800;margin-bottom:4px}
.cs-st{color:rgba(255,255,255,.5);font-size:13px;font-weight:300;margin-bottom:32px}
.cs-timer{color:rgba(255,255,255,.7);font-size:18px;font-weight:500;margin-bottom:32px;font-variant-numeric:tabular-nums}
.cs-acts{display:flex;gap:16px}
.cs-a{width:54px;height:54px;border-radius:50%;border:none;cursor:pointer;font-size:20px;display:flex;align-items:center;justify-content:center;transition:all .15s;color:#fff}
.cs-a:active{transform:scale(.9)}
.cs-a.mute,.cs-a.spk,.cs-a.vid{background:rgba(255,255,255,.12)}
.cs-a.end{background:var(--red)}

/* ══════ PROFILE ══════ */
.prof-top{text-align:center;padding:24px 16px;border-bottom:1px solid var(--border);background:var(--card)}
.prof-av{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--acc),var(--acc2));display:flex;align-items:center;justify-content:center;font-size:36px;margin:0 auto 12px;box-shadow:0 4px 20px rgba(198,112,48,.2)}
.prof-nm{font-size:20px;font-weight:800;margin-bottom:2px}.prof-bio{font-size:12px;color:var(--t2);font-weight:300;margin-bottom:6px}
.prof-fav{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;border-radius:20px;font-size:10px;color:var(--acc);font-weight:500;background:var(--acc-light);border:1px solid rgba(198,112,48,.1)}
.prof-stats{display:flex;border-bottom:1px solid var(--border)}
.prof-stat{flex:1;text-align:center;padding:14px;border-left:1px solid var(--border)}
.prof-stat:last-child{border-left:none}
.prof-stat-n{font-size:18px;font-weight:800}.prof-stat-l{font-size:9px;color:var(--t3);font-weight:300}
.prof-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:2px;padding:2px}
.prof-grid-item{aspect-ratio:1;background-size:cover;background-position:center;cursor:pointer;position:relative;transition:opacity .15s}
.prof-grid-item:hover{opacity:.85}
.prof-grid-item .vid-mark{position:absolute;top:8px;left:8px;font-size:14px}
.prof-sec{padding:16px;border-top:1px solid var(--border)}
.prof-sec-t{font-size:14px;font-weight:700;margin-bottom:10px}
.prof-opt{display:flex;align-items:center;gap:10px;padding:12px;border:1px solid var(--border);border-radius:var(--rs);margin-bottom:6px;cursor:pointer;transition:background .15s;background:var(--card)}
.prof-opt:hover{background:var(--bg)}
.prof-opt-ic{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;background:var(--bg);flex-shrink:0}
.prof-opt-info{flex:1}.prof-opt-nm{font-size:12px;font-weight:600}.prof-opt-desc{font-size:10px;color:var(--t3);font-weight:300}

/* ══════ MODALS ══════ */
.modal-bg{display:none;position:fixed;inset:0;background:rgba(0,0,0,.3);backdrop-filter:blur(6px);z-index:1000;align-items:flex-end;justify-content:center}
.modal-bg.show{display:flex}
.modal{width:100%;max-width:430px;max-height:88vh;overflow-y:auto;padding:20px 20px 36px;border-radius:var(--rl) var(--rl) 0 0;background:var(--card);border:1px solid var(--border);animation:slU .3s cubic-bezier(.16,1,.3,1)}
@keyframes slU{from{transform:translateY(100%)}to{transform:translateY(0)}}
.modal-bar{width:32px;height:4px;background:var(--border2);border-radius:4px;margin:0 auto 16px}
.modal h3{font-size:16px;font-weight:800;text-align:center;margin-bottom:16px}
.np-area{width:100%;padding:14px;border:1px solid var(--border);border-radius:var(--rs);font-family:'Tajawal';font-size:14px;color:var(--text);min-height:100px;resize:none;background:var(--bg);outline:none;line-height:1.7;font-weight:400}
.np-area::placeholder{color:var(--t4);font-weight:300}
.np-attach{display:flex;gap:8px;margin:12px 0}
.np-att-btn{flex:1;padding:14px;border:1.5px dashed var(--border2);border-radius:var(--rs);background:none;cursor:pointer;text-align:center;font-family:'Tajawal';font-size:11px;color:var(--t2);font-weight:500;transition:all .15s}
.np-att-btn:hover{border-color:var(--acc);color:var(--acc)}
.np-att-btn .att-ic{font-size:20px;margin-bottom:4px;display:block}
.np-submit{width:100%;padding:13px;border:none;border-radius:var(--rs);font-family:'Tajawal';font-size:15px;font-weight:700;cursor:pointer;background:var(--text);color:#fff;transition:all .15s}
.np-submit:active{transform:scale(.98)}

/* Toast */
.toast{position:fixed;bottom:100px;left:50%;transform:translateX(-50%) translateY(60px);padding:10px 22px;border-radius:12px;font-size:13px;font-weight:500;z-index:2000;opacity:0;transition:all .3s cubic-bezier(.16,1,.3,1);white-space:nowrap;background:var(--text);color:#fff;box-shadow:var(--shadow2);max-width:90%;overflow:hidden}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}

.logout-btn{display:block;width:calc(100% - 32px);margin:0 16px 20px;padding:12px;border:1px solid var(--red);border-radius:var(--rs);background:none;font-family:'Tajawal';font-size:13px;font-weight:600;color:var(--red);cursor:pointer;text-align:center}