@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
:root{--bg:#080e1f;--bg2:#0c1428;--panel:rgba(255,255,255,.04);--panel2:rgba(255,255,255,.07);--glass:rgba(13,25,68,.6);--glass2:rgba(255,255,255,.06);--border:rgba(255,255,255,.08);--border2:rgba(0,255,156,.2);--text:#e8eefb;--muted:#7a90bc;--accent:#00ff9c;--accent2:#00c97a;--blue:#3b82f6;--purple:#a855f7;--danger:#f87171;--warn:#fbbf24;--radius:16px;--shadow:0 20px 60px rgba(0,0,0,.5);--font:'Inter',-apple-system,sans-serif;--glow:0 0 30px rgba(0,255,156,.15)}
[data-theme="light"]{--bg:#f0f4ff;--bg2:#fff;--panel:rgba(255,255,255,.8);--panel2:rgba(240,244,255,.9);--glass:rgba(255,255,255,.75);--glass2:rgba(240,244,255,.8);--border:rgba(0,0,50,.1);--border2:rgba(0,160,100,.3);--text:#0a1f44;--muted:#4b6080}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background .3s,color .3s}
body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:0;background:radial-gradient(ellipse 80% 50% at 20% 20%,rgba(0,255,156,.06) 0,transparent 50%),radial-gradient(ellipse 60% 40% at 80% 80%,rgba(59,130,246,.05) 0,transparent 50%)}
a{color:inherit;text-decoration:none}button,input,textarea,select{font-family:inherit;color:inherit}img{max-width:100%}
.app{display:flex;min-height:100vh;position:relative;z-index:1}
.main{flex:1;margin-left:260px;display:flex;flex-direction:column;min-width:0;animation:fadeIn .4s ease}
.sidebar{position:fixed;top:0;left:0;width:260px;height:100vh;background:var(--glass);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:18px 12px;z-index:50;transition:transform .3s cubic-bezier(.4,0,.2,1)}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 20px;font-weight:800;font-size:19px}
.logo-dot{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 0 20px rgba(0,255,156,.4);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.nav{display:flex;flex-direction:column;gap:2px;flex:1;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:11px;color:var(--muted);transition:all .2s;font-size:14px;cursor:pointer;border:1px solid transparent}
.nav-item svg{width:17px;height:17px;flex-shrink:0}
.nav-item:hover{background:var(--panel2);color:var(--text);border-color:var(--border)}
.nav-item.active{background:linear-gradient(135deg,rgba(0,255,156,.12),rgba(0,255,156,.04));color:var(--accent);border-color:var(--border2);font-weight:500}
.sidebar-footer{padding-top:12px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:8px}
.user-chip{display:flex;align-items:center;gap:10px;padding:10px;background:var(--panel2);border-radius:12px;border:1px solid var(--border)}
.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#03130b;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0}
.user-name{font-size:13px;font-weight:600;line-height:1.2}
.user-plan{font-size:10px;color:var(--accent);letter-spacing:.5px;font-weight:500}
.hamburger{display:none;position:fixed;top:14px;left:14px;z-index:60;background:var(--glass);backdrop-filter:blur(12px);border:1px solid var(--border);width:42px;height:42px;border-radius:11px;cursor:pointer;align-items:center;justify-content:center}
.overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:40;backdrop-filter:blur(4px)}
.overlay.show{display:block;animation:fadeIn .2s}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#03130b;font-weight:700;padding:11px 20px;border:none;border-radius:11px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:all .2s;box-shadow:0 4px 20px rgba(0,255,156,.2);font-size:14px}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,255,156,.35)}
.btn-ghost{background:var(--panel);border:1px solid var(--border);color:var(--text);padding:10px 16px;border-radius:11px;cursor:pointer;transition:all .2s;font-size:14px;display:inline-flex;align-items:center;justify-content:center}
.btn-ghost:hover{background:var(--panel2);border-color:var(--accent)}
.btn-danger{background:rgba(248,113,113,.12);color:var(--danger);border:1px solid rgba(248,113,113,.25);padding:6px 12px;border-radius:8px;cursor:pointer;font-size:13px;transition:all .2s}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.card{background:var(--glass);backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:all .25s;cursor:pointer;animation:fadeUp .4s ease backwards}
.card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--glow)}
.card-icon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:#03130b}
.badge{display:inline-block;font-size:10px;padding:3px 8px;border-radius:6px;background:rgba(0,255,156,.12);color:var(--accent);font-weight:700;letter-spacing:.5px;margin-top:8px}
.badge-pro{background:rgba(59,130,246,.15);color:#60a5fa}
.badge-black{background:rgba(168,85,247,.15);color:#c084fc}
.container{padding:28px 36px;max-width:1200px;width:100%;margin:0 auto}
.page-title{font-size:28px;font-weight:800;margin-bottom:6px;background:linear-gradient(135deg,var(--text),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-sub{color:var(--muted);margin-bottom:24px;font-size:14px}
.form-card{max-width:440px;margin:50px auto;background:var(--glass);backdrop-filter:blur(24px);border:1px solid var(--border);border-radius:20px;padding:36px;animation:fadeUp .4s}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;margin-bottom:6px;color:var(--muted);font-weight:500}
.field input,.field select,.field textarea{width:100%;padding:11px 14px;background:rgba(255,255,255,.05);border:1px solid var(--border);border-radius:11px;font-size:14px;transition:all .2s;color:var(--text)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,255,156,.1)}
.alert-error{background:rgba(248,113,113,.1);color:#fca5a5;padding:12px 14px;border-radius:11px;margin-bottom:14px;font-size:13px;border:1px solid rgba(248,113,113,.2)}
.alert-success{background:rgba(0,255,156,.08);color:var(--accent);padding:12px 14px;border-radius:11px;margin-bottom:14px;font-size:13px;border:1px solid rgba(0,255,156,.2)}
.chat-wrap{display:flex;flex:1;height:100vh;overflow:hidden}
.chat-list{width:240px;border-right:1px solid var(--border);background:var(--glass);backdrop-filter:blur(20px);display:flex;flex-direction:column;padding:12px;gap:5px;overflow-y:auto;flex-shrink:0}
.chat-list h4{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin:10px 4px 4px}
.conv-item{padding:9px 12px;border-radius:10px;font-size:13px;cursor:pointer;color:var(--muted);transition:all .15s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center;gap:8px;border:1px solid transparent}
.conv-item:hover{background:var(--panel2);color:var(--text)}
.conv-item.active{background:rgba(0,255,156,.08);color:var(--accent);border-color:var(--border2)}
.chat-main{flex:1;display:flex;flex-direction:column;height:100vh;min-width:0}
.chat-topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border);background:var(--glass);backdrop-filter:blur(20px)}
.chat-topbar-title{font-weight:700;font-size:15px}
.chat-messages{flex:1;overflow-y:auto;padding:24px 20px;scroll-behavior:smooth}
.msg{max-width:800px;margin:0 auto 20px;display:flex;gap:12px;animation:fadeUp .3s}
.msg.user{flex-direction:row-reverse}
.msg .av{width:34px;height:34px;border-radius:10px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px}
.msg.user .av{background:rgba(59,130,246,.2);color:#93c5fd}
.msg.ai .av{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#03130b}
.msg-body{flex:1;line-height:1.75;font-size:14.5px;padding:14px 18px;border-radius:16px;background:var(--glass2);border:1px solid var(--border);word-wrap:break-word;backdrop-filter:blur(8px)}
.msg.user .msg-body{background:rgba(59,130,246,.1);border-color:rgba(59,130,246,.2);color:#bfdbfe}
.msg-body h1,.msg-body h2,.msg-body h3{margin:14px 0 8px;font-weight:700}
.msg-body h1{font-size:18px;color:var(--text)}
.msg-body h2{font-size:16px;color:var(--accent)}
.msg-body h3{font-size:15px;color:#60a5fa}
.msg-body p{margin-bottom:10px}
.msg-body ul,.msg-body ol{padding-left:20px;margin-bottom:10px}
.msg-body li{margin-bottom:4px}
.msg-body code{background:rgba(255,255,255,.08);padding:2px 7px;border-radius:5px;font-size:13px;color:var(--accent)}
.msg-body pre{background:rgba(0,0,0,.3);padding:16px;border-radius:12px;overflow-x:auto;margin:10px 0;border:1px solid var(--border)}
.msg-body strong{font-weight:700;color:var(--text)}
.msg-body blockquote{border-left:3px solid var(--accent);padding:8px 14px;margin:10px 0;color:var(--muted);background:rgba(0,255,156,.04);border-radius:0 8px 8px 0}
.msg-body hr{border:none;border-top:1px solid var(--border);margin:16px 0}
.msg-body a{color:var(--accent);text-decoration:underline}
.pipeline-wrap{background:rgba(0,255,156,.04);border:1px solid rgba(0,255,156,.15);border-radius:16px;padding:16px}
.pipeline-header{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-size:13px;font-weight:600;color:var(--accent)}
.pipeline-bar-bg{height:5px;background:rgba(255,255,255,.08);border-radius:3px;overflow:hidden;margin-bottom:14px}
.pipeline-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:3px;transition:width .8s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}
.pipeline-bar-fill::after{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);animation:shimmer 1.5s infinite}
.pipeline-steps{display:flex;flex-direction:column;gap:5px}
.p-step{display:flex;flex-direction:column;padding:6px 8px;border-radius:8px;font-size:13px;color:var(--muted);transition:all .3s;border:1px solid transparent}
.p-step-row{display:flex;align-items:center;gap:10px}
.p-step.active{color:var(--accent);background:rgba(0,255,156,.06);border-color:rgba(0,255,156,.15);font-weight:500}
.p-step.done{color:#4ade80}
.p-dot{width:8px;height:8px;border-radius:50%;background:var(--border);flex-shrink:0;transition:all .3s}
.p-step.active .p-dot{background:var(--accent);box-shadow:0 0 8px rgba(0,255,156,.6);animation:pulse 1.2s infinite}
.p-step.done .p-dot{background:#4ade80}
.p-preview{font-size:11px;color:var(--muted);margin-top:3px;padding-left:18px;opacity:.7;font-style:italic;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:400px}
.dl-btns{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.dl-btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:11px;font-size:13px;font-weight:700;text-decoration:none;transition:all .2s}
.dl-btn.pdf{background:linear-gradient(135deg,#dc2626,#991b1b);color:#fff}
.dl-btn.docx{background:linear-gradient(135deg,#1d4ed8,#1e3a8a);color:#fff}
.dl-btn.html{background:linear-gradient(135deg,#0891b2,#0e7490);color:#fff}
.dl-btn:hover{transform:translateY(-2px);filter:brightness(1.1)}
.doc-chip{display:inline-flex;align-items:center;gap:8px;background:rgba(59,130,246,.1);border:1px solid rgba(59,130,246,.25);color:#93c5fd;padding:6px 12px;border-radius:10px;font-size:12px;font-weight:500}
.doc-chip button{background:transparent;border:none;color:inherit;cursor:pointer;font-size:16px;line-height:1;padding:0;margin-left:2px;opacity:.7}
.chat-input-wrap{padding:12px 20px 20px;border-top:1px solid var(--border);background:var(--glass);backdrop-filter:blur(20px)}
.chat-input{max-width:800px;margin:0 auto;display:flex;gap:10px;align-items:flex-end;background:var(--glass2);border:1px solid var(--border);border-radius:16px;padding:10px 10px 10px 16px;transition:all .2s}
.chat-input:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,255,156,.08)}
.chat-input textarea{flex:1;background:transparent;border:none;resize:none;font-size:15px;max-height:180px;outline:none;line-height:1.6;padding:5px 0;color:var(--text)}
.chat-input textarea::placeholder{color:var(--muted)}
.upload-btn{width:36px;height:36px;border-radius:10px;background:var(--panel2);border:1px solid var(--border);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0;color:var(--muted)}
.upload-btn:hover{border-color:var(--accent);color:var(--accent)}
.send-btn{background:linear-gradient(135deg,var(--accent),var(--accent2));border:none;width:42px;height:42px;border-radius:12px;cursor:pointer;color:#03130b;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}
.send-btn:hover{transform:scale(1.05);box-shadow:0 4px 15px rgba(0,255,156,.4)}
.send-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.limit-warn{max-width:800px;margin:0 auto 12px;background:rgba(251,191,36,.08);border:1px solid rgba(251,191,36,.25);color:var(--warn);padding:10px 16px;border-radius:12px;font-size:13px;text-align:center}
.sug-pills{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}
.sug-pill{font-size:12px;padding:6px 14px;border-radius:20px;border:1px solid var(--border);background:var(--panel);color:var(--muted);cursor:pointer;transition:all .15s;white-space:nowrap}
.sug-pill:hover{background:var(--panel2);color:var(--text);border-color:var(--accent)}
.msg-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.msg-actions button{background:var(--panel);border:1px solid var(--border);color:var(--muted);padding:5px 10px;border-radius:8px;cursor:pointer;font-size:12px;transition:all .2s}
.msg-actions button:hover{background:var(--panel2);color:var(--text);border-color:var(--accent)}
.thinking{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-style:italic;font-size:13px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:pulse 1.4s infinite}
.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}
.table-wrap{background:var(--glass);backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:var(--radius);overflow:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
thead tr{background:rgba(255,255,255,.04)}
th,td{padding:12px 16px;text-align:left}
th{font-weight:600;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.6px}
tbody tr{border-top:1px solid var(--border);transition:background .15s}
tbody tr:hover{background:rgba(255,255,255,.02)}
.stat-card{background:var(--glass);backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:14px;padding:20px}
.stat-card .label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.stat-card .value{font-size:34px;font-weight:800;color:var(--accent)}
.plans-grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin-top:8px}
.plan-card{background:var(--glass);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:20px;padding:30px;transition:all .25s}
.plan-card.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),var(--glow)}
.plan-price{font-size:38px;font-weight:800;margin:12px 0 4px}
.plan-features{list-style:none;margin:16px 0 24px;display:flex;flex-direction:column;gap:9px}
.plan-features li{font-size:14px;color:var(--muted);display:flex;gap:9px;align-items:flex-start}
.plan-features li::before{content:'✓';color:var(--accent);font-weight:700;flex-shrink:0}
.plan-features li.off::before{content:'✕';color:var(--danger)}.plan-features li.off{opacity:.5}
.hero{text-align:center;padding:64px 24px 48px}
.hero h1{font-size:clamp(30px,5vw,54px);font-weight:800;line-height:1.1;margin-bottom:16px;background:linear-gradient(135deg,var(--text) 0%,var(--accent) 60%,#60a5fa 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{color:var(--muted);font-size:17px;max-width:580px;margin:0 auto 32px;line-height:1.7}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.toast{position:fixed;bottom:90px;left:50%;transform:translateX(-50%);background:var(--glass);backdrop-filter:blur(20px);border:1px solid var(--border);color:var(--text);padding:12px 24px;border-radius:30px;font-size:14px;z-index:9999;box-shadow:var(--shadow);animation:toastIn .35s cubic-bezier(.34,1.56,.64,1);white-space:nowrap}
.bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--glass);backdrop-filter:blur(20px);border-top:1px solid var(--border);padding:8px 0 max(8px,env(safe-area-inset-bottom));z-index:50;justify-content:space-around}
.bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--muted);font-size:10px;padding:4px 10px;transition:color .2s}
.bottom-nav a svg{width:22px;height:22px}
.bottom-nav a.active,.bottom-nav a:hover{color:var(--accent)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes pulse{0%,100%{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}
@keyframes shimmer{to{left:200%}}
@keyframes toastIn{from{opacity:0;bottom:70px}to{opacity:1;bottom:90px}}
::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--panel2);border-radius:3px}
@media(max-width:768px){.sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0);box-shadow:var(--shadow)}.hamburger{display:flex}.main{margin-left:0}.bottom-nav{display:flex}.chat-list{display:none}.container{padding:16px}.form-card{margin:20px auto}body{padding-bottom:70px}.chat-wrap{height:calc(100vh - 70px)}.chat-main{height:calc(100vh - 70px)}}
@media(max-width:480px){.plans-grid{grid-template-columns:1fr}.hero h1{font-size:28px}}