:root{
  --bg:#070816;
  --bg2:#0b1020;
  --panel:rgba(17,24,39,.82);
  --panel-solid:#111827;
  --panel2:rgba(30,41,59,.78);
  --card:rgba(255,255,255,.07);
  --card2:rgba(255,255,255,.11);
  --text:#f8fafc;
  --muted:#a7b0c4;
  --line:rgba(148,163,184,.18);
  --line2:rgba(148,163,184,.28);
  --brand:#7c3aed;
  --brand2:#06b6d4;
  --brand3:#22c55e;
  --danger:#fb7185;
  --input:rgba(2,6,23,.72);
  --shadow:0 24px 80px rgba(0,0,0,.36);
  --radius:24px;
  --safe-bottom:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:
    radial-gradient(circle at top left,rgba(124,58,237,.30),transparent 34rem),
    radial-gradient(circle at top right,rgba(6,182,212,.20),transparent 30rem),
    radial-gradient(circle at bottom,rgba(34,197,94,.10),transparent 28rem),
    var(--bg);
  height:100vh;
  overflow:hidden;
}
a{color:inherit}
button,input,textarea,select{font:inherit}
.hidden{display:none!important}
.app{display:grid;grid-template-columns:310px minmax(0,1fr);height:100vh;padding:14px;gap:14px}
.sidebar{
  background:linear-gradient(180deg,rgba(15,23,42,.92),rgba(15,23,42,.70));
  border:1px solid var(--line);
  border-radius:28px;
  padding:16px;
  overflow-y:auto;
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
  z-index:40;
}
.brand{font-weight:900;font-size:20px;margin-bottom:16px;display:flex;align-items:center;gap:10px;letter-spacing:-.02em}
.brand.mini{font-size:16px;margin:0;min-width:0}
.dot{width:13px;height:13px;background:linear-gradient(135deg,var(--brand),var(--brand2),var(--brand3));border-radius:50%;box-shadow:0 0 26px rgba(124,58,237,.75);flex:0 0 auto}
.user-box{
  background:linear-gradient(145deg,rgba(255,255,255,.10),rgba(255,255,255,.045));
  border:1px solid var(--line);
  border-radius:22px;
  padding:14px;
  margin-bottom:14px;
  display:grid;
  gap:7px;
}
.user-box strong{font-size:15px;letter-spacing:-.01em}
.user-box span,.user-box small{color:var(--muted);overflow-wrap:anywhere;font-size:13px}
.new-chat,.admin-link,.btn{
  width:100%;
  min-height:46px;
  border:0;
  border-radius:16px;
  padding:12px 15px;
  font-weight:800;
  cursor:pointer;
  background:linear-gradient(135deg,var(--brand),#2563eb);
  color:white;
  text-decoration:none;
  text-align:center;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  box-shadow:0 14px 34px rgba(37,99,235,.20);
  transition:transform .16s ease,filter .16s ease,border-color .16s ease;
}
.new-chat:hover,.admin-link:hover,.btn:hover,.icon-btn:hover,.send-btn:hover,.chip:hover{transform:translateY(-1px);filter:brightness(1.08)}
.admin-link{margin-top:10px;background:rgba(255,255,255,.07);border:1px solid var(--line);box-shadow:none;color:#e5e7eb}
.history-title{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.13em;margin:22px 6px 10px;font-weight:900}
.session{padding:12px 12px;border:1px solid transparent;border-radius:16px;color:#d8deea;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px}
.session:hover,.session.active{background:rgba(255,255,255,.08);border-color:var(--line)}
.main{display:flex;flex-direction:column;min-width:0;height:calc(100vh - 28px);background:rgba(15,23,42,.56);border:1px solid var(--line);border-radius:30px;overflow:hidden;box-shadow:var(--shadow);backdrop-filter:blur(16px)}
.topbar{min-height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:rgba(2,6,23,.34);gap:12px}
.model-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;min-width:0}
.model-row strong{font-size:14px;color:#dbeafe}
.select,.small-input,.input,textarea,select{
  background:var(--input);
  color:var(--text);
  border:1px solid var(--line2);
  border-radius:16px;
  padding:12px 14px;
  outline:none;
  max-width:100%;
}
.select:focus,.small-input:focus,.input:focus,textarea:focus,select:focus,.terminal-input:focus{border-color:rgba(96,165,250,.70);box-shadow:0 0 0 4px rgba(59,130,246,.13)}
.small-input{width:95px}.status{font-size:13px;color:var(--muted);white-space:nowrap}
.chat{flex:1;overflow:auto;padding:32px 18px 22px;scroll-behavior:smooth}
.chat::-webkit-scrollbar,.sidebar::-webkit-scrollbar,.terminal-output::-webkit-scrollbar{width:9px;height:9px}
.chat::-webkit-scrollbar-thumb,.sidebar::-webkit-scrollbar-thumb,.terminal-output::-webkit-scrollbar-thumb{background:rgba(148,163,184,.28);border-radius:999px}
.welcome{max-width:880px;margin:6vh auto;text-align:center;padding:0 6px}
.welcome h1{font-size:clamp(34px,5vw,62px);line-height:1.02;margin:0 0 14px;letter-spacing:-.06em;background:linear-gradient(135deg,#fff,#bfdbfe,#c4b5fd);-webkit-background-clip:text;background-clip:text;color:transparent}
.welcome p{color:var(--muted);font-size:17px;line-height:1.65;max-width:690px;margin:0 auto}
.chips{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:26px;text-align:left}
.chip{border:1px solid var(--line);background:linear-gradient(145deg,rgba(255,255,255,.10),rgba(255,255,255,.045));border-radius:20px;padding:16px;color:#e7edf8;cursor:pointer;min-height:82px;text-align:left;font-weight:800;box-shadow:0 12px 30px rgba(0,0,0,.14)}
.message{max-width:920px;margin:0 auto 18px;display:flex;gap:12px;animation:msgIn .18s ease-out}
@keyframes msgIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.avatar{width:36px;height:36px;border-radius:15px;background:rgba(255,255,255,.10);display:flex;align-items:center;justify-content:center;font-weight:900;flex:0 0 auto;border:1px solid var(--line);font-size:12px}
.message.user{flex-direction:row-reverse}.message.user .avatar{background:linear-gradient(135deg,var(--brand),#2563eb);border-color:transparent}.message.assistant .avatar{background:linear-gradient(135deg,#334155,#0f172a)}
.bubble{background:rgba(255,255,255,.075);border:1px solid var(--line);border-radius:22px;padding:15px 17px;line-height:1.7;overflow-wrap:anywhere;white-space:pre-wrap;width:100%;box-shadow:0 10px 28px rgba(0,0,0,.14)}
.message.user .bubble{background:linear-gradient(145deg,rgba(124,58,237,.22),rgba(37,99,235,.12));border-color:rgba(167,139,250,.24)}
.message.user{max-width:860px}.message.user .bubble{width:auto;max-width:min(760px,calc(100vw - 110px))}
.attachments{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
.file-pill,.token-badge,.cost-pill{font-size:12px;background:rgba(255,255,255,.08);border:1px solid var(--line);border-radius:999px;padding:7px 10px;color:#dbe4f0;display:inline-flex;gap:5px;align-items:center;line-height:1.1;white-space:nowrap}
.token-badge{background:rgba(34,197,94,.13);border-color:rgba(34,197,94,.32);color:#bbf7d0;font-weight:900}.cost-pill{background:rgba(124,58,237,.16);border-color:rgba(167,139,250,.30);color:#ddd6fe;font-weight:800}
.composer-wrap{border-top:1px solid var(--line);background:rgba(2,6,23,.56);padding:14px 18px calc(14px + var(--safe-bottom))}
.composer{max-width:920px;margin:auto;background:rgba(255,255,255,.07);border:1px solid var(--line2);border-radius:24px;padding:10px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.file-list{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 8px}.compose-row{display:flex;gap:9px;align-items:flex-end}.textarea{flex:1;min-height:50px;max-height:180px;resize:none;background:transparent;color:var(--text);border:0;outline:none;padding:13px 10px;font-size:16px;line-height:1.35}.textarea:focus{box-shadow:none;border:0}
.icon-btn{border:1px solid var(--line);background:rgba(255,255,255,.08);color:var(--text);border-radius:16px;width:46px;height:46px;cursor:pointer;font-weight:900;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;transition:transform .16s ease,filter .16s ease}
.send-btn{background:linear-gradient(135deg,var(--brand),#2563eb);border:0;color:#fff;border-radius:16px;width:50px;height:46px;cursor:pointer;font-size:18px;flex:0 0 auto;box-shadow:0 14px 30px rgba(37,99,235,.25)}
.send-btn:disabled,.btn:disabled{opacity:.62;cursor:not-allowed;transform:none}
.mobile-head{display:none}.sidebar-overlay{display:none}.bubble pre{background:rgba(2,6,23,.80);border:1px solid var(--line);border-radius:16px;padding:14px;overflow:auto;white-space:pre;color:#e2e8f0}.bubble code{background:rgba(2,6,23,.80);border:1px solid var(--line);border-radius:8px;padding:2px 6px;color:#e2e8f0}
/* Admin, auth, plans */
.admin-page{height:auto;min-height:100vh;overflow:auto;padding:24px}.auth-page{display:flex;align-items:center;justify-content:center}.auth-card{max-width:460px;width:100%}.card{max-width:1120px;margin:auto;background:rgba(15,23,42,.72);border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(18px)}.card h1{letter-spacing:-.04em}.table-wrap{width:100%;overflow-x:auto}.table{width:100%;border-collapse:collapse;margin-top:18px;min-width:760px}.table th,.table td{border-bottom:1px solid var(--line);padding:13px 12px;text-align:left;vertical-align:top}.table th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field label{display:block;font-weight:800;margin-bottom:8px;color:#e5e7eb}.actions{display:flex;gap:10px;flex-wrap:wrap}.link{color:#c4b5fd;text-decoration:none;font-weight:800}.danger{color:#fda4af;font-weight:800;text-decoration:none}.notice,.error{padding:13px 14px;border-radius:18px;margin-bottom:12px;line-height:1.55}.notice{background:rgba(34,197,94,.11);border:1px solid rgba(34,197,94,.30)}.error{background:rgba(244,63,94,.12);border:1px solid rgba(244,63,94,.34)}.plans-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:16px;margin-top:20px}.plan-card{background:linear-gradient(145deg,rgba(255,255,255,.10),rgba(255,255,255,.045));border:1px solid var(--line);border-radius:24px;padding:20px}.plan-card h2{margin:0 0 8px}.plan-price{font-size:30px;font-weight:950;margin-bottom:10px;letter-spacing:-.03em}.mini-form{display:grid;gap:8px;min-width:180px}.muted{color:var(--muted)}
/* Terminal + Agent */
.terminal-page{height:100vh;overflow:hidden;background:var(--bg)}.terminal-layout{display:grid;grid-template-columns:300px minmax(0,1fr);height:100vh;padding:14px;gap:14px}.terminal-side{background:rgba(15,23,42,.78);border:1px solid var(--line);border-radius:28px;padding:16px;overflow:auto;box-shadow:var(--shadow);backdrop-filter:blur(18px)}.terminal-help{display:grid;gap:9px;margin-top:18px;color:var(--muted)}.terminal-help code{display:block;background:rgba(2,6,23,.70);border:1px solid var(--line);border-radius:14px;padding:10px;white-space:normal;overflow-wrap:anywhere;color:#d1d5db}.terminal-main{display:flex;flex-direction:column;min-width:0;height:calc(100vh - 28px);background:rgba(15,23,42,.56);border:1px solid var(--line);border-radius:30px;overflow:hidden;box-shadow:var(--shadow);backdrop-filter:blur(16px)}.terminal-topbar{border-bottom:1px solid var(--line);padding:16px 18px;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;background:rgba(2,6,23,.34)}.terminal-topbar h1{margin:0 0 6px;letter-spacing:-.05em}.terminal-topbar p{margin:0;color:var(--muted);line-height:1.5}.agent-panel{border-bottom:1px solid var(--line);background:rgba(2,6,23,.40);padding:14px 18px;display:grid;gap:11px}.agent-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.agent-row .select{max-width:430px}.agent-textarea{width:100%;min-height:80px;max-height:180px;background:rgba(255,255,255,.06);border:1px solid var(--line2);border-radius:20px;padding:14px}.agent-actions{display:flex;gap:10px;flex-wrap:wrap}.terminal-output{flex:1;overflow:auto;min-height:0;padding:18px 20px;background:rgba(2,6,23,.76);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:14px;line-height:1.58}.term-line{margin-bottom:11px;overflow-wrap:anywhere}.term-line pre{margin:0;white-space:pre-wrap;color:#e5e7eb}.term-line.cmd{color:#f8fafc}.prompt{color:#86efac;font-weight:950}.terminal-input-row{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding:12px 16px calc(12px + var(--safe-bottom));background:rgba(15,23,42,.78)}.terminal-input{flex:1;background:var(--input);border:1px solid var(--line2);border-radius:16px;color:var(--text);padding:13px 14px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;outline:none;min-width:0}.download-btn{width:auto;display:inline-flex;margin-top:3px;padding:10px 13px}
@media(max-width:900px){
  body{overflow:hidden;background:linear-gradient(180deg,#0f172a 0%,#070816 46%,#050712 100%)}
  .mobile-head{display:flex;align-items:center;justify-content:space-between;gap:10px;height:62px;padding:9px 12px;border-bottom:1px solid var(--line);background:rgba(5,8,22,.92);position:fixed;left:0;right:0;top:0;z-index:60;backdrop-filter:blur(16px)}
  .app{display:block;height:100vh;padding:62px 0 0}.sidebar{position:fixed;top:72px;bottom:12px;left:12px;width:min(88vw,350px);transform:translateX(calc(-100% - 24px));transition:transform .22s ease;border-radius:26px;box-shadow:28px 0 80px rgba(0,0,0,.45)}.sidebar.open{transform:translateX(0)}.sidebar-overlay{position:fixed;inset:62px 0 0 0;background:rgba(0,0,0,.58);z-index:30}.sidebar-overlay.show{display:block}.main{height:calc(100vh - 62px);border:0;border-radius:0;box-shadow:none;background:transparent}.topbar{min-height:72px;padding:10px 12px;align-items:stretch;flex-direction:column;background:rgba(7,10,25,.68)}.model-row{width:100%;display:grid;grid-template-columns:1fr auto;gap:8px}.model-row strong{display:none}.select{width:100%;min-width:0}.status{font-size:12px}.chat{padding:20px 12px 14px}.welcome{margin:3.5vh auto}.welcome h1{font-size:34px}.welcome p{font-size:15px}.chips{grid-template-columns:1fr;gap:10px;margin-top:20px}.chip{min-height:58px;padding:14px;border-radius:18px}.message{gap:8px;margin-bottom:14px;max-width:100%}.message.user{max-width:100%}.message.user .bubble{max-width:calc(100vw - 74px)}.avatar{width:30px;height:30px;border-radius:12px;font-size:11px}.bubble{padding:12px 13px;border-radius:18px;font-size:14.5px;line-height:1.62}.composer-wrap{padding:10px 10px calc(10px + var(--safe-bottom));background:rgba(5,8,22,.90)}.composer{border-radius:22px;padding:8px}.compose-row{gap:7px}.icon-btn{width:43px;height:43px;border-radius:15px}.send-btn{width:45px;height:43px;border-radius:15px}.textarea{min-height:43px;padding:10px 6px;font-size:16px}.file-pill,.token-badge,.cost-pill{font-size:11px;padding:6px 8px}.admin-page{padding:14px;overflow:auto}.auth-page{align-items:flex-start;padding-top:28px}.card{padding:18px;border-radius:24px}.form-grid{grid-template-columns:1fr}.actions{gap:8px}.actions .btn,.actions .admin-link{flex:1 1 auto}.table{display:block;overflow-x:auto;font-size:14px}.plans-grid{grid-template-columns:1fr}.plan-price{font-size:25px}.terminal-page{padding-top:62px}.terminal-layout{display:block;height:calc(100vh - 62px);padding:0}.terminal-side{display:none}.terminal-main{height:calc(100vh - 62px);border:0;border-radius:0;box-shadow:none;background:transparent}.terminal-topbar{padding:12px;display:block;background:rgba(7,10,25,.72)}.terminal-topbar h1{font-size:24px}.terminal-topbar p{font-size:13px}.terminal-topbar .actions{margin-top:10px}.agent-panel{padding:10px 12px}.agent-row{display:grid;grid-template-columns:1fr;gap:8px}.agent-row .select{max-width:none}.agent-textarea{min-height:92px;font-size:14px}.agent-actions .btn{width:100%!important}.terminal-output{padding:14px 12px;font-size:13px}.terminal-input-row{padding:10px 10px calc(10px + var(--safe-bottom));gap:7px}.terminal-input{padding:12px 10px;font-size:14px}
}
@media(max-width:420px){.mobile-head .token-badge{font-size:11px;padding:6px 7px}.brand.mini{max-width:155px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.welcome h1{font-size:30px}.chat{padding-left:10px;padding-right:10px}.bubble{font-size:14px}.card{padding:16px}.new-chat,.admin-link,.btn{min-height:44px;border-radius:15px}.composer{border-radius:20px}.terminal-topbar h1{font-size:21px}.agent-textarea{min-height:84px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* AI Builder-only mode: users prompt AI, no manual terminal */
.builder-only-page .terminal-main{background:linear-gradient(180deg,rgba(15,23,42,.72),rgba(2,6,23,.64));}
.builder-hero{background:radial-gradient(circle at top left,rgba(124,58,237,.22),transparent 25rem),rgba(2,6,23,.40)}
.eyebrow{display:inline-flex;margin:0 0 9px;padding:6px 10px;border:1px solid rgba(34,197,94,.25);border-radius:999px;background:rgba(34,197,94,.10);color:#bbf7d0;font-size:12px;font-weight:900;letter-spacing:.03em;text-transform:uppercase}
.field-label{font-weight:900;color:#dbeafe;font-size:13px;display:block}
.builder-prompt-card{background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));gap:12px}
.builder-textarea{min-height:128px;max-height:260px;font-size:16px;line-height:1.55;padding:16px!important;background:rgba(2,6,23,.52)!important}
.builder-suggestions{display:flex;gap:8px;flex-wrap:wrap}
.suggestion-chip{border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.07);color:#dbe4f0;padding:9px 12px;cursor:pointer;font-weight:800;font-size:13px;transition:transform .16s ease,filter .16s ease,border-color .16s ease}
.suggestion-chip:hover{transform:translateY(-1px);filter:brightness(1.08);border-color:rgba(167,139,250,.38)}
.builder-actions{align-items:center}.generate-btn{min-height:52px;padding-left:20px;padding-right:20px;font-size:15px}
.builder-result-wrap{display:flex;flex-direction:column;min-height:0;flex:1;background:rgba(2,6,23,.55)}
.result-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 18px;border-bottom:1px solid var(--line);color:#e5e7eb}.result-head span{color:var(--muted);font-size:13px}
.builder-output{background:transparent;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;padding:16px 18px}
.builder-empty,.builder-loading,.builder-success,.builder-user-prompt,.builder-summary{border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.065);padding:14px 15px;display:grid;gap:8px;line-height:1.55;box-shadow:0 12px 26px rgba(0,0,0,.14)}
.builder-empty span,.builder-loading span{color:var(--muted)}
.builder-user-prompt{background:linear-gradient(145deg,rgba(124,58,237,.18),rgba(37,99,235,.10));border-color:rgba(167,139,250,.24)}
.builder-user-prompt p{margin:0;white-space:pre-wrap;color:#eef2ff}
.builder-loading{border-color:rgba(6,182,212,.30);background:rgba(6,182,212,.08)}
.builder-success{border-color:rgba(34,197,94,.30);background:rgba(34,197,94,.08)}
.builder-success pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:rgba(2,6,23,.50);border:1px solid var(--line);border-radius:15px;padding:12px;margin-top:4px;overflow:auto}
.builder-summary{color:#dbeafe;background:rgba(59,130,246,.08);border-color:rgba(96,165,250,.24)}
.builder-download{margin:4px 0 0;min-width:220px;justify-self:start;background:linear-gradient(135deg,#22c55e,#06b6d4)!important}
.builder-help small{line-height:1.55;color:var(--muted)}
@media(max-width:900px){
  .builder-hero{padding:16px 14px}.builder-hero h1{font-size:27px!important;line-height:1.05;margin-bottom:8px}.builder-hero p{font-size:14px!important}.builder-hero .actions .btn{width:100%!important}.builder-prompt-card{padding:12px}.builder-textarea{min-height:150px!important;font-size:16px!important;padding:14px!important}.builder-suggestions{display:grid;grid-template-columns:1fr;gap:8px}.suggestion-chip{text-align:left;border-radius:16px;padding:12px 13px}.builder-actions .btn{width:100%!important}.result-head{padding:10px 12px;display:grid;gap:3px}.builder-output{padding:12px}.builder-empty,.builder-loading,.builder-success,.builder-user-prompt,.builder-summary{border-radius:18px;padding:13px}.builder-download{width:100%;justify-content:center}.builder-only-page .terminal-main{height:calc(100vh - 62px)}
}