:root{--navy:#071a2e;--blue:#1768e5;--ink:#132238;--muted:#6d7a8a;--line:#dfe5ec;--soft:#f4f7fa;--white:#fff;--green:#16825d;--red:#c43b4d}
*{box-sizing:border-box}body{margin:0;font:15px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--soft)}button,input,textarea,select{font:inherit}.hidden{display:none!important}
.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 10%,#183f6f 0,transparent 35%),linear-gradient(145deg,#061427,#0a2847)}
.login-card{width:min(430px,100%);background:#fff;border-radius:22px;padding:42px;box-shadow:0 24px 80px #0008}.brand-mark,.logo span{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--blue);color:white;font-weight:800}.eyebrow{font-size:11px;letter-spacing:.13em;font-weight:800;color:#6f8297}.login-card h1{font-size:32px;margin:8px 0}.login-card>p{color:var(--muted)}label{display:grid;gap:6px;font-weight:650;margin-top:16px}.login-card input,.user-form input,.user-form select{border:1px solid var(--line);border-radius:10px;padding:12px}.login-card button,.panel-head button,.user-form button{margin-top:20px;width:100%;border:0;border-radius:10px;background:var(--blue);color:#fff;padding:12px;font-weight:750;cursor:pointer}.error{color:var(--red);min-height:20px}
.app{min-height:100vh;display:grid;grid-template-columns:270px 1fr}aside{background:var(--navy);color:#b7c5d5;padding:22px 16px;display:flex;flex-direction:column;min-height:100vh}.logo{display:flex;align-items:center;gap:12px;color:#fff;padding:0 8px 24px}.new-chat{border:1px solid #2c4662;background:#102a45;color:#fff;border-radius:10px;padding:11px;text-align:left;cursor:pointer}nav{display:grid;gap:4px;margin-top:20px;overflow:auto}nav button,.aside-bottom button{border:0;background:transparent;color:#aebfd0;border-radius:8px;padding:10px;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}nav button:hover,.aside-bottom button:hover{background:#153452;color:#fff}.aside-bottom{display:grid;gap:4px;margin-top:auto;border-top:1px solid #213b56;padding-top:12px}
main{min-width:0;display:flex;flex-direction:column;height:100vh}header{height:82px;display:flex;align-items:center;justify-content:space-between;padding:0 32px;background:#fff;border-bottom:1px solid var(--line)}header h2{margin:0;font-size:19px}header .eyebrow{margin:0}.user{display:flex;align-items:center;gap:12px}.user button{border:1px solid var(--line);background:#fff;padding:7px 10px;border-radius:8px;cursor:pointer}.view{min-height:0;flex:1}.messages{height:calc(100vh - 190px);overflow:auto;padding:28px max(24px,calc((100% - 850px)/2)) 120px}.welcome{text-align:center;padding-top:8vh}.orb{margin:auto;width:58px;height:58px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(145deg,#0b3a70,#1880ef);color:#fff;font-size:25px;box-shadow:0 12px 30px #1768e544}.welcome h1{font-size:30px;margin-bottom:8px}.welcome p{color:var(--muted)}.suggestions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:34px auto;max-width:700px}.suggestions button{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;text-align:left;cursor:pointer}.suggestions button:hover{border-color:#8ab8f5;background:#f8fbff}
.message{max-width:780px;margin:20px auto}.message.user{display:block;background:#e8f1ff;border-radius:15px 15px 4px 15px;padding:13px 16px;margin-left:auto;width:fit-content;max-width:75%}.message.assistant{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;white-space:pre-wrap;box-shadow:0 5px 20px #10243a0a}.sources{border-top:1px solid var(--line);margin-top:15px;padding-top:11px;color:var(--muted);font-size:13px}.composer{position:fixed;bottom:0;left:270px;right:0;background:linear-gradient(transparent,var(--soft) 25%);padding:22px max(24px,calc((100% - 850px)/2)) 16px;display:grid;grid-template-columns:1fr 48px}.composer textarea{resize:none;border:1px solid #cfd8e3;border-radius:14px 0 0 14px;padding:14px;background:#fff;outline:none}.composer button{border:0;background:var(--blue);color:#fff;border-radius:0 14px 14px 0;cursor:pointer;font-size:20px}.composer small{grid-column:1/-1;text-align:center;color:#7e8996;margin-top:6px}
.panel-head{display:flex;justify-content:space-between;align-items:center;padding:30px 34px}.panel-head h2{margin:0}.panel-head p{margin:4px 0;color:var(--muted)}.panel-head button,.upload{width:auto;margin:0;background:var(--blue);color:#fff;border:0;border-radius:10px;padding:11px 15px;cursor:pointer}.upload input{display:none}.table{margin:0 34px;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.row{display:grid;grid-template-columns:2fr 1fr 1fr auto;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line)}.row:last-child{border:0}.status{font-size:12px;font-weight:750;color:var(--green)}.danger{border:0;background:#fff0f2;color:var(--red);border-radius:8px;padding:7px 10px;cursor:pointer}.user-form{margin:0 34px 20px;background:#fff;border:1px solid var(--line);padding:18px;border-radius:14px;display:flex;align-items:end;gap:12px}.user-form label{display:flex;align-items:center;gap:6px;margin:0}.user-form button{width:auto;margin:0}.toast{position:fixed;right:24px;bottom:24px;background:#10243a;color:#fff;padding:12px 16px;border-radius:10px;box-shadow:0 10px 30px #0003}
@media(max-width:800px){.app{grid-template-columns:1fr}aside{min-height:auto;padding:10px;flex-direction:row;align-items:center;gap:10px}.logo b,nav,.aside-bottom{display:none}.logo{padding:0}.new-chat{margin-left:auto}main{height:calc(100vh - 64px)}header{padding:0 18px}.composer{left:0}.suggestions{grid-template-columns:1fr}.panel-head{padding:20px}.table{margin:0 20px}.row{grid-template-columns:1fr auto}.row>*:nth-child(2),.row>*:nth-child(3){display:none}.user-form{margin:0 20px 20px;display:grid}.login-card{padding:28px}}

html{height:100%;-webkit-text-size-adjust:100%}
body{min-height:100%}
button{-webkit-tap-highlight-color:transparent}
.aside-bottom button span{display:none}

@media(max-width:800px){
  body{overflow:hidden}
  .login-shell{min-height:100dvh;padding:18px;padding-top:max(18px,env(safe-area-inset-top));padding-bottom:max(18px,env(safe-area-inset-bottom))}
  .login-card{padding:28px 22px;border-radius:18px;box-shadow:0 18px 52px #0007}
  .login-card h1{font-size:28px}
  .login-card input{min-height:48px;font-size:16px}
  .login-card button{min-height:48px}
  .app{display:flex;flex-direction:column;min-height:100dvh}
  aside{position:relative;z-index:20;display:flex;min-height:64px;height:64px;padding:10px 14px;flex:0 0 64px;flex-direction:row;align-items:center;gap:10px;box-shadow:0 3px 14px #00152a22}
  .logo{display:flex;padding:0;gap:9px;min-width:0}
  .logo span{width:40px;height:40px;border-radius:11px}
  .logo b{display:block;font-size:15px;white-space:nowrap}
  nav{display:none}
  .new-chat{margin-left:auto;width:44px;height:44px;padding:0;border-radius:12px;font-size:0;text-align:center}
  .new-chat::after{content:"＋";font-size:25px;line-height:1}
  .aside-bottom{position:fixed;z-index:30;display:grid;grid-template-columns:repeat(3,1fr);gap:4px;left:0;right:0;bottom:0;height:calc(66px + env(safe-area-inset-bottom));margin:0;padding:7px 8px max(7px,env(safe-area-inset-bottom));border:0;border-top:1px solid #23405e;background:var(--navy)}
  .aside-bottom button{display:flex;min-width:0;flex-direction:column;align-items:center;justify-content:center;gap:1px;padding:3px 5px;text-align:center;font-size:11px;border-radius:9px;color:#aebfd0}
  .aside-bottom button span{display:block;font-size:19px;line-height:1}
  .aside-bottom button:active{background:#153452;color:#fff}
  main{height:calc(100dvh - 64px);min-height:0;padding-bottom:calc(66px + env(safe-area-inset-bottom))}
  header{height:64px;min-height:64px;padding:0 16px}
  header .eyebrow{display:none}
  header h2{font-size:16px;line-height:1.2;max-width:190px}
  .user{gap:8px}
  .user span{display:none}
  .user button{min-height:40px;padding:7px 12px}
  .view{overflow:auto;-webkit-overflow-scrolling:touch}
  #chatView{overflow:hidden}
  .messages{height:calc(100dvh - 64px - 64px - 66px - 92px);min-height:0;padding:16px 14px 26px}
  .welcome{padding:18px 4px 0}
  .orb{width:50px;height:50px;border-radius:15px}
  .welcome h1{font-size:24px;line-height:1.2;margin:18px 0 8px}
  .welcome p{font-size:14px;margin:0 auto;max-width:330px}
  .suggestions{grid-template-columns:1fr;gap:8px;margin:22px auto 8px}
  .suggestions button{min-height:48px;padding:12px 14px}
  .message{margin:13px 0;max-width:100%;font-size:14px}
  .message.user{max-width:88%;padding:11px 13px}
  .message.assistant{padding:16px;border-radius:14px;line-height:1.55}
  .sources{font-size:12px;overflow-wrap:anywhere}
  .composer{position:fixed;z-index:25;left:0;right:0;bottom:calc(66px + env(safe-area-inset-bottom));padding:12px;background:linear-gradient(transparent,var(--soft) 22%);grid-template-columns:minmax(0,1fr) 56px;align-items:stretch}
  .composer textarea{display:block;width:100%;height:56px;min-height:56px;max-height:56px;margin:0;padding:16px 14px;overflow:hidden;resize:none;font-size:16px;line-height:22px;white-space:nowrap;border:1px solid #cfd8e3;border-right:0;border-radius:15px 0 0 15px}
  .composer button{display:grid;place-items:center;width:56px;height:56px;min-height:56px;margin:0;padding:0;border-radius:0 15px 15px 0;font-size:22px}
  .composer small{display:none}
  .panel-head{display:grid;gap:15px;padding:20px 16px 16px}
  .panel-head h2{font-size:23px;line-height:1.2}
  .panel-head p{font-size:14px}
  .panel-head button,.panel-head .upload{width:100%;min-height:48px;display:flex;align-items:center;justify-content:center}
  .table{margin:0 16px 22px;border:0;background:transparent;overflow:visible}
  .row{margin-bottom:10px;padding:15px;background:#fff;border:1px solid var(--line)!important;border-radius:13px;box-shadow:0 4px 16px #10243a09}
  .row>*:nth-child(2),.row>*:nth-child(3){display:block}
  .file-row{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"name status" "date action";gap:9px 12px}
  .file-row b{grid-area:name;overflow-wrap:anywhere}
  .file-row .row-date{grid-area:date;color:var(--muted);font-size:13px}
  .file-row .status{grid-area:status}
  .file-row .danger{grid-area:action}
  .user-row{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"name role" "access access" "action action";gap:7px 12px}
  .user-row b{grid-area:name}
  .user-role{grid-area:role;color:var(--muted);font-size:12px}
  .user-access{grid-area:access;font-size:13px;color:var(--muted)}
  .user-row .danger{grid-area:action;min-height:42px}
  .empty-row{display:block;text-align:center;color:var(--muted)}
  .user-form{margin:0 16px 16px;padding:15px;display:grid;gap:11px}
  .user-form input,.user-form select{width:100%;min-height:48px;font-size:16px}
  .user-form label{min-height:38px}
  .user-form button{width:100%;min-height:48px}
  .toast{left:16px;right:16px;bottom:calc(78px + env(safe-area-inset-bottom));text-align:center}
}

@media(max-width:370px){
  .logo b{display:none}
  header h2{max-width:160px}
  .welcome h1{font-size:22px}
  .messages{padding-left:10px;padding-right:10px}
  .table{margin-left:12px;margin-right:12px}
}