*{box-sizing:border-box}
:root{--bg:#070a18;--panel:rgba(13,18,39,.88);--panel2:rgba(20,27,56,.72);--line:rgba(151,164,255,.13);--text:#f3f4ff;--muted:#929bbd;--purple:#9277ff;--cyan:#65d9ff;--font:'DM Sans',sans-serif;--display:'Space Grotesk',sans-serif}
html,body{margin:0;min-height:100%;font-family:var(--font);color:var(--text);background:var(--bg)}
body{min-height:100vh;overflow:hidden}button,input{font:inherit}button{cursor:pointer}.hidden{display:none!important}
.space-bg{position:fixed;inset:0;z-index:0;overflow:hidden;background:radial-gradient(ellipse at 75% 15%,#20204b 0%,transparent 38%),radial-gradient(ellipse at 12% 85%,#142c50 0%,transparent 38%),#070a18}
.nebula{position:absolute;width:650px;height:650px;left:35%;top:5%;border-radius:50%;background:radial-gradient(circle,rgba(106,77,201,.14),rgba(38,117,170,.07) 42%,transparent 70%);filter:blur(20px)}
.stars{position:absolute;inset:0;opacity:.48;background-image:radial-gradient(1px 1px at 8% 16%,#fff 99%,transparent),radial-gradient(1px 1px at 27% 72%,#9ccaff 99%,transparent),radial-gradient(2px 2px at 63% 18%,#fff 99%,transparent),radial-gradient(1px 1px at 81% 64%,#fff 99%,transparent),radial-gradient(1px 1px at 91% 29%,#9ccaff 99%,transparent),radial-gradient(1px 1px at 48% 87%,#fff 99%,transparent),radial-gradient(1px 1px at 15% 48%,#fff 99%,transparent);background-size:370px 310px}
.auth-screen{position:relative;z-index:1;min-height:100vh;display:grid;place-items:center;padding:28px}
.auth-card{width:min(100%,440px);padding:38px;border:1px solid rgba(160,169,255,.19);border-radius:25px;background:linear-gradient(145deg,rgba(20,25,54,.94),rgba(9,13,31,.94));box-shadow:0 30px 100px rgba(0,0,0,.4),inset 0 1px rgba(255,255,255,.05);backdrop-filter:blur(20px)}
.brand{display:flex;align-items:center;gap:11px;min-width:0}.brand-large{margin-bottom:36px}.brand-mark{width:39px;height:39px;display:grid;place-items:center;border-radius:13px;font:700 23px var(--display);color:white;background:linear-gradient(145deg,#a18aff,#4b83ed);box-shadow:0 5px 25px rgba(125,111,255,.3)}.brand-large .brand-mark{width:47px;height:47px;font-size:28px;border-radius:15px}
.brand-name{font:700 21px var(--display);letter-spacing:-.7px}.brand-caption{font-size:8px;letter-spacing:1.6px;color:#8995bd;margin-top:2px}
.auth-intro .eyebrow,.eyebrow{font-size:9px;letter-spacing:2px;font-weight:700;color:#8d8bff}.auth-intro h1{font:600 29px var(--display);letter-spacing:-1px;margin:10px 0 5px}.auth-intro p:last-child{font-size:13px;color:var(--muted);margin:0}
.auth-tabs{display:flex;gap:6px;padding:4px;background:rgba(4,8,23,.6);border:1px solid var(--line);border-radius:12px;margin:26px 0 21px}.tab{flex:1;border:0;background:transparent;color:#8790b2;padding:10px;border-radius:9px;font-weight:600;font-size:12px}.tab.active{background:rgba(135,117,255,.18);color:white;box-shadow:inset 0 0 0 1px rgba(155,140,255,.2)}
.auth-form{display:grid;gap:15px}.auth-form label{display:grid;gap:7px;font-size:11px;color:#c3c9e1;font-weight:600}.auth-form input{width:100%;height:44px;padding:0 13px;border:1px solid rgba(146,158,222,.18);border-radius:10px;outline:none;background:rgba(4,8,23,.58);color:white;font-size:13px}.auth-form input:focus,.search-wrap:focus-within,.message-composer:focus-within{border-color:rgba(145,125,255,.75);box-shadow:0 0 0 3px rgba(130,110,255,.1)}.auth-form input::placeholder{color:#667092}.auth-form small{font-size:10px;color:#7e89aa;font-weight:400}
.primary-btn{height:46px;margin-top:5px;border:0;border-radius:11px;background:linear-gradient(100deg,#8267ed,#527eea);color:white;font-weight:700;font-size:13px;box-shadow:0 8px 25px rgba(105,104,242,.23);transition:transform .2s,filter .2s}.primary-btn:hover{filter:brightness(1.12);transform:translateY(-1px)}.primary-btn span{float:right;margin-right:13px;font-size:18px;line-height:14px}
.auth-footnote{font-size:10px;color:#6f799b;text-align:center;margin:19px 0 0}.notice{margin-top:15px;padding:11px 13px;border-radius:10px;font-size:12px;line-height:1.5;background:rgba(82,126,234,.12);border:1px solid rgba(112,144,255,.2);color:#cbd6ff}.notice.error{background:rgba(255,92,120,.1);border-color:rgba(255,92,120,.25);color:#ffc0cc}.auth-side-note{position:fixed;bottom:22px;color:rgba(155,166,207,.35);font-size:8px;letter-spacing:2.5px}
.app-shell{position:relative;z-index:1;display:grid;grid-template-columns:330px minmax(0,1fr);width:min(1440px,100vw);height:100vh;margin:0 auto;border-left:1px solid var(--line);border-right:1px solid var(--line);background:rgba(7,10,24,.68);backdrop-filter:blur(16px)}
.sidebar{display:flex;flex-direction:column;min-height:0;padding:20px 16px 13px;background:rgba(12,17,38,.91);border-right:1px solid var(--line);overflow:hidden}
.sidebar-top{display:flex;align-items:center;justify-content:space-between;margin:0 4px 17px}.sidebar-top .brand-mark{width:36px;height:36px;font-size:21px}.sidebar-top .brand-name{font-size:19px}.sidebar-top .brand-caption{font-size:7px}
.icon-btn{width:31px;height:31px;border-radius:9px;border:1px solid var(--line);background:rgba(255,255,255,.025);color:#aab4d7}.icon-btn:hover{background:rgba(140,125,255,.15);color:white}
.profile-mini{display:flex;align-items:center;gap:10px;padding:10px;border:1px solid var(--line);border-radius:13px;background:linear-gradient(120deg,rgba(93,103,185,.12),rgba(70,130,180,.04));margin-bottom:17px}
.avatar{width:34px;height:34px;flex:none;border-radius:11px;display:grid;place-items:center;background:linear-gradient(145deg,#8c76f5,#4d83d9);font:700 14px var(--display);color:white;text-transform:uppercase}.profile-meta{display:grid;gap:3px;min-width:0;flex:1}.profile-meta strong{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.profile-meta span{font-size:10px;color:#8b96b8}.online-dot{width:7px;height:7px;border-radius:50%;background:#61dfb1;box-shadow:0 0 10px #61dfb1}
.section-heading{display:flex;align-items:center;justify-content:space-between;color:#7884a9;font-size:9px;font-weight:700;letter-spacing:1.4px;margin:0 3px 8px}.tiny-orb{width:5px;height:5px;border-radius:50%;background:#8d7cff;box-shadow:0 0 9px #8d7cff}
.search-wrap{height:37px;display:flex;align-items:center;gap:8px;padding:0 11px;border:1px solid var(--line);border-radius:10px;background:rgba(4,8,23,.48);transition:.2s}.search-wrap>span{font-size:20px;color:#8d96bd}.search-wrap input{min-width:0;flex:1;border:0;outline:0;background:transparent;color:white;font-size:11px}.search-wrap input::placeholder{color:#677294}
.search-results{max-height:130px;overflow:auto;margin-top:5px}.empty-hint{padding:9px 5px;color:#717d9f;font-size:10px;line-height:1.55}
.search-person{display:flex;align-items:center;gap:8px;padding:6px 4px;border-radius:9px}.search-person .avatar,.person-row .avatar{width:29px;height:29px;border-radius:9px;font-size:11px}.result-meta,.person-meta{display:grid;gap:2px;min-width:0;flex:1}.result-meta strong,.person-meta strong{font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.result-meta span,.person-meta span{font-size:9px;color:#8792b3}
.search-action{border:1px solid rgba(145,125,255,.22);border-radius:8px;padding:5px 8px;background:rgba(135,117,255,.13);color:#d8d1ff;font-size:9px;font-weight:700;white-space:nowrap}.search-action:disabled{opacity:.65;cursor:default}
.side-section{margin-top:12px}.count-pill{font-size:9px;color:#9c9fc8;background:rgba(138,124,255,.12);padding:3px 7px;border-radius:20px}
.compact-list{max-height:105px;overflow:auto}.person-row{display:flex;align-items:center;gap:7px;padding:5px 3px;border-radius:9px}.request-actions,.friend-actions{display:flex;gap:4px}.mini-action{width:23px;height:23px;border:1px solid var(--line);border-radius:7px;background:rgba(255,255,255,.035);color:#c8c9ef;font-size:12px}.mini-action.accept,.mini-action.chat-action{color:#8de2c3;border-color:rgba(97,223,177,.2)}.mini-action.reject{color:#ff9caf;border-color:rgba(255,120,145,.2)}
.chats-heading{display:flex;align-items:center;justify-content:space-between;margin-top:12px}.chats-heading .section-heading{margin-bottom:7px}.chat-list{overflow:auto;min-height:45px;flex:1}.chat-item{width:100%;display:flex;align-items:center;gap:9px;padding:8px 7px;border:0;border-radius:11px;background:transparent;text-align:left;color:white}.chat-item:hover,.chat-item.active{background:rgba(125,112,236,.13)}.chat-item .avatar{width:32px;height:32px;border-radius:10px}.chat-item .chat-meta{min-width:0;flex:1;display:grid;gap:4px}.chat-meta strong{font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-meta span{font-size:9px;color:#7f8aad;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-footer{display:flex;align-items:center;gap:7px;padding:10px 3px 0;border-top:1px solid var(--line);font-size:8px;letter-spacing:1px;color:#657296}.status-pulse{width:6px;height:6px;border-radius:50%;background:#61dcb0;box-shadow:0 0 8px #61dcb0}.version{margin-left:auto;color:#596486}
.conversation{display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}.conversation-header{height:77px;flex:none;display:flex;align-items:center;gap:12px;padding:0 29px;border-bottom:1px solid var(--line);background:rgba(11,15,34,.48)}.header-avatar{width:39px;height:39px;border-radius:13px}.conversation-person{display:grid;gap:4px;min-width:0}.conversation-person strong{font-size:13px}.conversation-person span{font-size:10px;color:#7f8aad}.header-actions{margin-left:auto}.encrypted-label{font-size:8px;letter-spacing:1.4px;color:#8791b5}.encrypted-label span{color:#9c8bff;font-size:13px;margin-right:4px}
.welcome-panel{margin:auto;text-align:center;padding:30px 20px;max-width:520px}.welcome-orbit{position:relative;width:180px;height:180px;margin:0 auto 25px;display:grid;place-items:center}.welcome-core{width:75px;height:75px;border-radius:25px;display:grid;place-items:center;font:700 42px var(--display);background:linear-gradient(145deg,#a08aff,#4b82e8);box-shadow:0 0 65px rgba(124,111,255,.4),inset 0 1px rgba(255,255,255,.4);z-index:1}.orbit{position:absolute;border:1px solid rgba(147,153,255,.25);border-radius:50%;transform:rotate(-25deg)}.orbit-one{width:150px;height:150px}.orbit-two{width:178px;height:105px;transform:rotate(48deg);border-color:rgba(91,202,255,.23)}.orbit-star{position:absolute;color:#b8b3ff;text-shadow:0 0 15px #a18aff}.star-a{top:5px;right:28px}.star-b{bottom:18px;left:13px;font-size:20px}.star-c{top:53px;left:3px;font-size:12px}
.welcome-panel .eyebrow{margin:0 0 12px}.welcome-panel h1{font:600 clamp(30px,4vw,43px)/1.12 var(--display);letter-spacing:-1.8px;margin:0}.welcome-panel h1 span{color:#a99aff}.welcome-copy{max-width:370px;margin:15px auto 22px;color:#8b96b8;font-size:12px;line-height:1.7}.welcome-tip{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid var(--line);border-radius:30px;color:#9da8c9;font-size:10px;background:rgba(255,255,255,.025)}.welcome-tip span{color:#a895ff}
.messages-panel{flex:1;min-height:0;overflow:auto;padding:25px 5vw 20px}.messages-list{max-width:850px;margin:0 auto;display:flex;flex-direction:column;gap:12px}.message-row{display:flex;flex-direction:column;align-items:flex-start;max-width:75%;gap:5px}.message-row.mine{align-self:flex-end;align-items:flex-end}.message-bubble{padding:11px 14px;border:1px solid rgba(151,164,255,.13);border-radius:5px 15px 15px 15px;background:rgba(29,37,72,.78);font-size:12px;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere}.message-row.mine .message-bubble{border-color:rgba(145,123,255,.22);border-radius:15px 5px 15px 15px;background:linear-gradient(120deg,rgba(105,88,204,.48),rgba(58,111,174,.4))}.message-time{font-size:8px;color:#687494;padding:0 4px}
.message-composer{display:flex;gap:10px;align-items:center;margin:0 29px 25px;padding:7px 8px 7px 17px;border:1px solid var(--line);border-radius:14px;background:rgba(15,21,45,.9);transition:.2s}.message-composer input{flex:1;min-width:0;height:37px;border:0;outline:0;background:transparent;color:white;font-size:12px}.message-composer input::placeholder{color:#6e799b}.send-btn{width:37px;height:37px;border:0;border-radius:11px;color:white;font-size:22px;background:linear-gradient(145deg,#947bff,#527fe5);box-shadow:0 4px 15px rgba(110,103,235,.25)}.send-btn:hover{filter:brightness(1.15)}
.app-notice{position:absolute;bottom:83px;left:50%;transform:translateX(-50%);max-width:min(90%,500px);padding:10px 14px;border-radius:10px;background:#222b50;border:1px solid rgba(145,156,255,.22);font-size:11px;color:#e3e7ff;box-shadow:0 10px 35px #0007}
@media(max-width:900px){.app-shell{grid-template-columns:300px minmax(0,1fr)}.sidebar{padding-left:12px;padding-right:12px}}
@media(max-width:760px){body{overflow:auto}.app-shell{grid-template-columns:1fr;height:100dvh}.sidebar{height:58vh;min-height:380px;border-right:0;border-bottom:1px solid var(--line);padding:12px;overflow:auto}.sidebar-top{margin-bottom:10px}.profile-mini{margin-bottom:10px;padding:8px}.search-results{max-height:80px}.side-section{margin-top:8px}.compact-list{max-height:75px}.chats-heading{margin-top:8px}.chat-list{min-height:45px}.sidebar-footer{display:none}.conversation{height:42vh;min-height:330px}.conversation-header{height:62px;padding:0 15px}.messages-panel{padding:18px 15px}.message-composer{margin:0 13px 13px}.welcome-orbit{width:130px;height:130px}.welcome-core{width:62px;height:62px;font-size:34px}.orbit-one{width:115px;height:115px}.orbit-two{width:138px;height:80px}.welcome-panel{padding:15px}.header-actions{display:none}}
@media(max-width:420px){.auth-card{padding:26px 21px}.auth-screen{padding:15px}.auth-intro h1{font-size:25px}.message-row{max-width:88%}}

/* GACHAT 0.5.0 — RESPONSIVE MOBILE IMPROVEMENTS */

@media (max-width: 760px) {
  html, body {
    width: 100%;
    min-height: 100%;
    margin: 0;
  }

  body {
    overflow: hidden;
  }

  .app-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(190px, 40dvh) minmax(0, 1fr);
    width: 100%;
    height: 100dvh;
    min-height: 0;
    overflow: hidden;
  }

  .sidebar {
    width: 100%;
    height: auto;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 12px;
    padding-top: max(12px, env(safe-area-inset-top));
  }

  .conversation {
    width: 100%;
    height: auto;
    min-height: 0;
    overflow: hidden;
    padding-bottom: env(safe-area-inset-bottom);
  }

  .conversation-header {
    padding-left: 14px;
    padding-right: 14px;
  }

  .messages-panel {
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .message-composer {
    flex-shrink: 0;
  }

  .message-composer input,
  .search-wrap input {
    font-size: 16px;
  }

  .search-action,
  .mini-action,
  .send-btn,
  .icon-btn,
  .tab {
    min-height: 36px;
  }

  .send-btn {
    min-width: 40px;
    min-height: 40px;
  }

  .auth-screen {
    min-height: 100dvh;
    padding:
      max(20px, env(safe-area-inset-top))
      15px
      max(20px, env(safe-area-inset-bottom));
  }

  .auth-card {
    width: 100%;
    max-width: 430px;
  }
}

@media (max-width: 420px) {
  .app-shell {
    grid-template-rows: minmax(180px, 38dvh) minmax(0, 1fr);
  }

  .sidebar {
    padding-left: 10px;
    padding-right: 10px;
  }

  .welcome-panel h1 {
    font-size: 29px;
  }

  .welcome-copy {
    font-size: 11px;
  }

  .encrypted-label {
    display: none;
  }
}