:root{--bg:#f4f6fb;--card:#fff;--ink:#16202e;--mute:#667085;--line:#e3e8f0;--pri:#0f6b4f;--pri2:#0b4f3a;--acc:#f5a524;--ok:#1b8a4b;--warn:#c27803;--bad:#c62828;--soft:#e8f5ef;--shadow:0 6px 24px rgba(15,40,30,.08)}
@media(prefers-color-scheme:dark){:root{--bg:#0e141b;--card:#161f2a;--ink:#e8edf3;--mute:#9aa7b8;--line:#263344;--pri:#2fbf8a;--pri2:#23a073;--acc:#f5b94a;--ok:#4cc58a;--warn:#f0b34a;--bad:#ff7a7a;--soft:#12261f;--shadow:0 6px 24px rgba(0,0,0,.35)}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.55}
a{color:var(--pri);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}h1{font-size:26px}h2{font-size:19px}h3{font-size:16px}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;margin-bottom:16px;box-shadow:var(--shadow)}
.grid{display:grid;gap:14px}.g2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.g3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.g4{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.mute{color:var(--mute)}.ok{color:var(--ok)}.warn{color:var(--warn)}.bad{color:var(--bad)}.small{font-size:13px}.right{text-align:right}.center{text-align:center}
.btn,button{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--ink);font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{text-decoration:none;filter:brightness(.97)}
.btn.pri,button.pri{background:var(--pri);border-color:var(--pri);color:#fff}.btn.pri:hover{background:var(--pri2)}
.btn.acc{background:var(--acc);border-color:var(--acc);color:#1b1300}.btn.bad,button.bad{background:var(--bad);border-color:var(--bad);color:#fff}
.btn.sm,button.sm{padding:6px 12px;font-size:13px;border-radius:8px}.btn.block{width:100%}
button:disabled{opacity:.6;cursor:wait}
label{display:block;font-size:13px;font-weight:600;color:var(--mute);margin:12px 0 5px}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid var(--pri);outline-offset:0;border-color:var(--pri)}
input[type=checkbox]{width:auto;margin-right:6px}textarea{min-height:90px;resize:vertical}
.row{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.msg{padding:12px 14px;border-radius:12px;margin-bottom:14px;border:1px solid var(--line);background:var(--card)}
.msg.ok{border-color:var(--ok);background:var(--soft)}.msg.err{border-color:var(--bad);color:var(--bad)}
.tag{display:inline-block;padding:2px 10px;border-radius:99px;font-size:12px;font-weight:600;border:1px solid var(--line);background:var(--bg)}
.tag.ok{border-color:var(--ok);color:var(--ok)}.tag.warn{border-color:var(--warn);color:var(--warn)}.tag.bad{border-color:var(--bad);color:var(--bad)}
table{width:100%;border-collapse:collapse}th,td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--mute)}
.scroll{overflow-x:auto}.scroll table{min-width:620px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow)}.stat b{display:block;font-size:26px}.stat span{color:var(--mute);font-size:13px}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;align-items:center}
.pager{margin-top:12px}.pagination{display:flex;gap:6px;list-style:none;padding:0;flex-wrap:wrap}.pagination li a,.pagination li span{display:block;padding:6px 12px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink)}.pagination .active span{background:var(--pri);color:#fff;border-color:var(--pri)}

/* top bar (app + admin) */
.top{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.top .in{max-width:1120px;margin:auto;padding:10px 16px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.brand{font-weight:800;font-size:18px;color:var(--ink);display:flex;align-items:center;gap:8px}.brand:hover{text-decoration:none}
.logo{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--pri),#1c9c72);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:17px}
.nav{display:flex;gap:4px;flex-wrap:wrap;flex:1}.nav a{padding:7px 12px;border-radius:9px;color:var(--ink);font-weight:600;font-size:14px}.nav a:hover{background:var(--bg);text-decoration:none}.nav a.on{background:var(--pri);color:#fff}
.credit{background:var(--soft);border:1px solid var(--pri);color:var(--pri);padding:6px 12px;border-radius:99px;font-weight:700;font-size:13px}
.page{max-width:1120px;margin:20px auto;padding:0 16px 40px}
.announce{background:var(--acc);color:#1b1300;text-align:center;padding:8px 14px;font-weight:600;font-size:14px}

/* tool cards */
.tool{display:block;color:var(--ink);transition:transform .15s,box-shadow .15s;position:relative}
.tool:hover{text-decoration:none;transform:translateY(-3px)}.tool .ico{font-size:30px}.tool h3{margin:8px 0 4px}.tool p{margin:0;color:var(--mute);font-size:13.5px}
.tool .cost{position:absolute;right:14px;top:14px}

/* generated document */
.doc{background:#fff;color:#111;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow);overflow-wrap:anywhere}
.doc h1{font-size:22px;border-bottom:2px solid var(--pri);padding-bottom:6px}.doc h2{font-size:18px;margin-top:1.2em}.doc h3{font-size:15px}
.doc table{border-collapse:collapse;width:100%;margin:12px 0;font-size:13px}.doc th,.doc td{border:1px solid #9aa4b2;padding:6px 8px;color:#111}.doc th{background:#e6f1ec;text-transform:none;letter-spacing:0;font-size:13px}
.tbl-wrap{overflow-x:auto}.doc table{min-width:560px}
.doc ul,.doc ol{padding-left:22px}
.loader{display:none;text-align:center;padding:30px}.loader.on{display:block}
.spin{width:38px;height:38px;border:4px solid var(--line);border-top-color:var(--pri);border-radius:50%;animation:sp 1s linear infinite;margin:0 auto 12px}@keyframes sp{to{transform:rotate(360deg)}}

/* chat */
.chat{display:grid;grid-template-columns:240px 1fr;gap:16px}@media(max-width:800px){.chat{grid-template-columns:1fr}}
.bubbles{min-height:320px;max-height:62vh;overflow-y:auto;padding:6px}
.b{max-width:92%;padding:12px 14px;border-radius:14px;margin:10px 0;overflow-wrap:anywhere}
.b.user{background:var(--pri);color:#fff;margin-left:auto;white-space:pre-wrap}.b.assistant{background:var(--bg);border:1px solid var(--line)}
.b.assistant table{border-collapse:collapse;font-size:13px}.b.assistant th,.b.assistant td{border:1px solid var(--line);padding:5px 7px}
.threads a{display:block;padding:8px 10px;border-radius:9px;color:var(--ink);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.threads a.on,.threads a:hover{background:var(--soft);text-decoration:none}

/* pricing */
.plan{position:relative;display:flex;flex-direction:column}.plan .price{font-size:30px;font-weight:800}.plan ul{padding-left:18px;margin:10px 0;flex:1}.plan .badge{position:absolute;right:14px;top:-11px;background:var(--acc);color:#1b1300;font-size:12px;font-weight:800;padding:3px 12px;border-radius:99px}
.plan.hot{border:2px solid var(--pri)}

/* auth */
.auth{max-width:440px;margin:36px auto;padding:0 16px}

/* landing */
.l-nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
@media(prefers-color-scheme:dark){.l-nav{background:rgba(14,20,27,.9)}}
.l-nav .in{max-width:1120px;margin:auto;padding:12px 16px;display:flex;align-items:center;gap:14px}.l-nav .links{display:flex;gap:18px;margin-left:auto;align-items:center}.l-nav .links a.t{color:var(--ink);font-weight:600;font-size:14px}
@media(max-width:760px){.l-nav .links a.t{display:none}}
.hero{background:radial-gradient(1200px 500px at 80% -10%,rgba(47,191,138,.28),transparent),linear-gradient(160deg,#07382b,#0f6b4f 60%,#1b8a64);color:#fff;padding:70px 0 80px}
.hero h1{font-size:clamp(30px,5vw,52px);font-weight:800;max-width:780px}.hero p.lead{font-size:18px;max-width:640px;opacity:.92}
.hero .btn.pri{background:var(--acc);border-color:var(--acc);color:#1b1300}.hero .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.pill{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);padding:5px 14px;border-radius:99px;font-size:13px;font-weight:600;margin-bottom:18px}
.sec{padding:60px 0}.sec h2{font-size:clamp(24px,3.4vw,34px);text-align:center}.sec .sub{text-align:center;color:var(--mute);max-width:620px;margin:0 auto 32px}
.step{text-align:center}.step .n{width:44px;height:44px;border-radius:50%;background:var(--pri);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:8px}
.mock{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 60px rgba(0,0,0,.25);padding:16px;color:var(--ink);font-size:12.5px;max-width:560px}
.mock .bar{display:flex;gap:6px;margin-bottom:10px}.mock .bar i{width:10px;height:10px;border-radius:50%;background:var(--line)}
.mock table{width:100%;border-collapse:collapse}.mock th,.mock td{border:1px solid var(--line);padding:5px 6px;font-size:11.5px;text-transform:none;letter-spacing:0}.mock th{background:var(--soft);color:var(--ink)}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px}.faq summary{font-weight:700;cursor:pointer}
.foot{background:#07382b;color:#cfe8dd;padding:34px 0;font-size:14px}.foot a{color:#fff}
.wa{position:fixed;right:16px;bottom:16px;z-index:40;background:#25d366;color:#fff;border-radius:99px;padding:12px 18px;font-weight:700;box-shadow:0 8px 20px rgba(0,0,0,.25)}.wa:hover{text-decoration:none}
@media print{.top,.no-print,.announce,.wa{display:none!important}body{background:#fff}.doc{border:0;box-shadow:none;padding:0}.page{margin:0;max-width:none}}