/* hopline — visual system (direction C) */
:root{
  --bg:#ECEAE4; --card:#FFFFFF; --ink:#141414; --muted:#4A4A45; --soft:#ECEAE4; --line:#D9D6CE;
  --lime:#DDF247; --danger:#B42318; --danger-bg:#FDECEA; --ok:#1E6B3A; --ok-bg:#E3F4E8; --warn-bg:#FFF4D6;
  --r-xl:32px; --r-lg:28px; --r-md:22px; --r-sm:14px;
  --font:'Figtree',system-ui,-apple-system,'PingFang SC','Noto Sans SC','Microsoft YaHei',sans-serif;
  --mono:'DM Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:16px/1.5 var(--font);-webkit-font-smoothing:antialiased}
a{color:var(--ink)}a:hover{color:var(--muted)}
img{max-width:100%}
h1,h2,h3{margin:0;line-height:1.05}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid #6E7BFF;outline-offset:2px;border-radius:8px}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
[hidden]{display:none!important}

/* layout */
.page{padding:16px;min-height:100vh}
.wrap{max-width:1280px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.row{display:flex;flex-wrap:wrap;gap:16px}
.row > *{min-width:0}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.stack{display:flex;flex-direction:column;gap:12px}
.between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}

/* surfaces */
.card{background:var(--card);border-radius:var(--r-xl);padding:28px;display:flex;flex-direction:column;gap:16px}
.card.sm{border-radius:var(--r-lg);padding:22px}
.card.lime{background:var(--lime)}
.card.dark{background:var(--ink);color:var(--bg)}
.card.dark .muted{color:#C9C7C0}
.card.dark a:not(.btn){color:var(--lime)}
.soft{background:var(--soft);border-radius:var(--r-md);padding:16px}

/* nav */
.navpill{background:var(--card);border-radius:999px;padding:10px 10px 10px 22px;display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.navpill .links{display:flex;flex-wrap:wrap;gap:2px;flex:1 1 auto}
.navpill .links a{text-decoration:none;padding:10px 14px;font-size:15px;font-weight:500;color:#3E3E3A;border-radius:999px}
.navpill .links a[aria-current="page"]{background:var(--soft);color:var(--ink);font-weight:600}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:800;font-size:20px;letter-spacing:-.4px}
.brand .dot{width:30px;height:30px;border-radius:50%;background:var(--lime);display:flex;align-items:center;justify-content:center;flex:0 0 auto}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 20px;border-radius:999px;border:0;font-weight:600;font-size:15px;text-decoration:none;cursor:pointer;background:var(--soft);color:var(--ink);white-space:nowrap}
.btn:hover{filter:brightness(.97);color:var(--ink)}
.btn.dark{background:var(--ink);color:#fff}.btn.dark:hover{color:#fff;filter:brightness(1.25)}
.btn.lime{background:var(--lime);color:var(--ink)}
.btn.ghost{background:transparent}
.btn.white{background:#fff}
.btn.danger{background:var(--danger-bg);color:var(--danger)}
.btn.lg{min-height:54px;padding:16px 26px;font-size:17px}
.btn.sm{min-height:36px;padding:7px 13px;font-size:14px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.iconbtn{width:40px;height:40px;border-radius:50%;border:0;background:var(--soft);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.lang{display:inline-flex;background:var(--soft);border-radius:999px;padding:3px}
.lang button{border:0;background:transparent;border-radius:999px;padding:7px 11px;font-size:13.5px;font-weight:600;cursor:pointer;min-height:36px}
.lang button[aria-pressed="true"]{background:var(--ink);color:#fff}

/* forms */
.field{display:flex;flex-direction:column;gap:6px}
.field label,.lbl{font-size:14px;font-weight:600}
.field .hint{font-size:13px;color:var(--muted)}
.input,select.input,textarea.input{width:100%;min-height:48px;padding:12px 16px;border-radius:16px;border:1.5px solid transparent;background:var(--soft);outline:none}
.input:focus{border-color:var(--ink);background:#fff}
textarea.input{min-height:110px;resize:vertical;line-height:1.5}
.check{display:flex;gap:10px;align-items:center;font-size:15px;cursor:pointer;min-height:40px}
.check input{width:20px;height:20px;accent-color:var(--ink)}
.err{background:var(--danger-bg);color:var(--danger);border-radius:14px;padding:12px 14px;font-size:14.5px}
.ok{background:var(--ok-bg);color:var(--ok);border-radius:14px;padding:12px 14px;font-size:14.5px}
.note{background:var(--warn-bg);border-radius:14px;padding:12px 14px;font-size:14.5px}

/* chips & badges */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:0;background:var(--soft);border-radius:999px;padding:8px 14px;font-size:14px;font-weight:600;cursor:pointer;min-height:38px}
.chip[aria-pressed="true"]{background:var(--ink);color:#fff}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 10px;font-size:12.5px;font-weight:600;background:var(--soft);white-space:nowrap}
.badge.ok{background:var(--ok-bg);color:var(--ok);padding:4px 10px}
.badge.off{background:#EEECE7;color:var(--muted)}
.badge.bad{background:var(--danger-bg);color:var(--danger)}
.badge.lime{background:var(--lime)}

/* numbers */
.big{font-size:92px;font-weight:800;letter-spacing:-5px;line-height:.85}
.num{font-size:44px;font-weight:800;letter-spacing:-1.8px;line-height:1}
.kicker{font-size:14.5px;font-weight:600}

/* tables */
.tablewrap{overflow-x:auto;border-radius:20px}
table.t{width:100%;border-collapse:collapse;font-size:14.5px;min-width:640px}
table.t th{text-align:left;font-size:12.5px;font-weight:600;color:var(--muted);padding:10px 12px;white-space:nowrap}
table.t td{padding:12px;border-top:1px solid var(--line);vertical-align:middle}
table.t td.r,table.t th.r{text-align:right}
.card.dark table.t th{color:#C9C7C0}
.card.dark table.t td{border-color:rgba(236,234,228,.14)}
.empty{padding:36px 16px;text-align:center;color:var(--muted)}

/* bars */
.bars{height:160px;display:flex;align-items:flex-end;gap:6px}
.bars .b{flex:1 1 0;border-radius:999px;background:var(--soft);min-height:6px;position:relative}
.bars .b.hi{background:var(--lime)}
.meter{height:8px;border-radius:4px;background:var(--soft);overflow:hidden}
.meter > span{display:block;height:100%;background:var(--ink);border-radius:4px}

/* console */
.console{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-start;padding:16px;min-height:100vh}
.side{flex:1 1 220px;max-width:100%;background:var(--card);border-radius:var(--r-lg);padding:20px 12px;display:flex;flex-direction:column;gap:18px}
.side nav{display:flex;flex-direction:column;gap:2px}
.side nav a{text-decoration:none;padding:11px 14px;border-radius:999px;font-size:15px;font-weight:500;color:#3E3E3A;display:flex;align-items:center;gap:10px}
.side nav a svg{flex:0 0 auto}
.side nav a[aria-current="page"]{background:var(--ink);color:#fff;font-weight:700}
.main{flex:999 1 640px;min-width:0;display:flex;flex-direction:column;gap:16px}
.topbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:4px 6px}
.topbar h1{font-size:34px;font-weight:800;letter-spacing:-1px;flex:1 1 260px}

/* admin */
.side.admin{background:var(--ink);color:var(--bg)}
.side.admin .brand{color:var(--bg)}
.side.admin nav a{color:#D2D0C9}
.side.admin nav a:hover{color:#fff}
.side.admin nav a[aria-current="page"]{background:var(--lime);color:var(--ink)}
.side.admin .tag{font-size:11px;font-weight:700;letter-spacing:1px;color:var(--lime);padding:0 14px}
.toggle{position:relative;display:inline-flex;align-items:center;gap:12px;cursor:pointer;min-height:44px}
.toggle input{appearance:none;width:46px;height:28px;border-radius:999px;background:#D2D0C9;position:relative;cursor:pointer;flex:0 0 auto;margin:0;transition:background .15s}
.toggle input::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:left .15s}
.toggle input:checked{background:var(--ink)}
.toggle input:checked::after{left:21px}
.priceinput{width:110px;min-height:40px;padding:8px 10px;border-radius:12px;font-family:var(--mono);font-size:14px}
.sdot{width:9px;height:9px;border-radius:50%;display:inline-block;background:#C9C7C0;flex:0 0 auto}
.sdot.ok{background:#2E9E57}.sdot.bad{background:var(--danger)}.sdot.warn{background:#E0A100}
.sdot.ok,.sdot.bad,.sdot.warn{padding:0;border-radius:50%;font-size:0}

/* code */
pre.code{margin:0;background:var(--ink);color:var(--bg);border-radius:22px;padding:22px 24px;overflow-x:auto;font:14px/1.75 var(--mono)}
pre.code .k{color:var(--lime)}
pre.code .c{color:#9A988F}
.copyline{display:flex;gap:8px;align-items:center;background:var(--soft);border-radius:14px;padding:8px 8px 8px 14px}
.copyline code{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:14px var(--mono)}

/* modal & toast */
.modal-bg{position:fixed;inset:0;background:rgba(20,20,20,.42);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}
.modal{background:#fff;border-radius:var(--r-xl);padding:28px;width:min(560px,100%);max-height:calc(100vh - 32px);overflow:auto;display:flex;flex-direction:column;gap:16px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 18px;border-radius:999px;font-size:14.5px;font-weight:600;z-index:60;max-width:calc(100vw - 32px)}

/* playground */
.chat{display:flex;flex-direction:column;gap:12px;min-height:320px;max-height:560px;overflow:auto;padding:4px}
.msg{max-width:85%;padding:12px 16px;border-radius:20px;white-space:pre-wrap;word-wrap:break-word;line-height:1.55}
.msg.user{align-self:flex-end;background:var(--ink);color:#fff;border-bottom-right-radius:6px}
.msg.assistant{align-self:flex-start;background:var(--soft);border-bottom-left-radius:6px}
.msg.error{align-self:flex-start;background:var(--danger-bg);color:var(--danger)}

/* auth */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}
.auth .card{width:min(460px,100%);padding:36px}

/* home */
.hero h1{font-size:92px;line-height:.95;font-weight:800;letter-spacing:-3.6px}
.h2{font-size:56px;line-height:1;font-weight:800;letter-spacing:-2px}
.ring{width:128px;height:128px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.ring > div{width:92px;height:92px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:26px}
.pricecard{border-radius:24px;padding:22px;display:flex;flex-direction:column;gap:20px;background:var(--soft)}
.pricecard .p{font-size:34px;font-weight:800;letter-spacing:-1.2px}

@media (max-width:720px){
  .hero h1{font-size:54px;letter-spacing:-2px}
  .h2{font-size:38px}
  .big{font-size:64px;letter-spacing:-3px}
  .num{font-size:34px}
  .card{padding:22px;border-radius:26px}
  .navpill{border-radius:26px;padding:10px 14px}
  .topbar h1{font-size:28px}
  .console{padding:10px;gap:12px}
  .side{flex-basis:100%;padding:12px;gap:10px;border-radius:24px}
  .side .soft{display:none}
  .side nav{flex-direction:row;overflow-x:auto;gap:4px;padding-bottom:2px;scrollbar-width:none}
  .side nav::-webkit-scrollbar{display:none}
  .side nav a{white-space:nowrap;padding:9px 13px;font-size:14px}
  .side nav a svg{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* pricing tiers */
.tier{text-align:left;border:2px solid transparent;background:var(--soft);border-radius:22px;padding:16px 18px;cursor:pointer;display:flex;flex-direction:column;gap:6px;font:inherit;color:inherit;min-height:44px;transition:border-color .12s,background .12s}
.tier:hover{border-color:#C9C7C0}
.tier[aria-pressed="true"]{background:#fff;border-color:var(--ink);box-shadow:0 6px 18px rgba(20,20,20,.08)}
.tier[aria-pressed="true"] .badge.lime{background:var(--ink);color:var(--lime)}

/* status bars */
.sbars{display:grid;grid-template-columns:repeat(60,minmax(0,1fr));gap:2px;height:30px;align-items:stretch}
.sbars .sb{border-radius:2px;background:#E2DFD8}
.sbars .sb.g{background:#2E9E57}.sbars .sb.y{background:#E0A100}.sbars .sb.r{background:var(--danger)}

/* key form: provider cards */
.vendors{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px}
.vendor{display:flex;flex-direction:column;align-items:flex-start;gap:2px;border:2px solid transparent;background:var(--soft);border-radius:16px;padding:12px 14px;font:inherit;font-weight:700;font-size:15px;color:inherit;cursor:pointer;min-height:44px;text-align:left}
.vendor[aria-pressed="true"]{background:#fff;border-color:var(--ink)}

/* ---------- dark mode ---------- */
.card.lime,.card.lime *{color:#141414}
.btn.lime,.badge.lime{color:#141414}
[data-theme="dark"]{--bg:#121211;--card:#1D1D1B;--ink:#EDEBE4;--muted:#A9A69C;--soft:#2A2A27;--line:#34342F;--danger:#FF8D7E;--danger-bg:#3B1E1A;--ok:#7FD69B;--ok-bg:#183323;--warn-bg:#3A2F12;color-scheme:dark}
[data-theme="dark"] a{color:var(--ink)}
[data-theme="dark"] .btn.dark,[data-theme="dark"] .chip[aria-pressed="true"],[data-theme="dark"] .lang button[aria-pressed="true"],[data-theme="dark"] .side nav a[aria-current="page"],[data-theme="dark"] .msg.user,[data-theme="dark"] .toast{color:#141414}
[data-theme="dark"] .btn.dark:hover{color:#141414;filter:brightness(.9)}
[data-theme="dark"] .card.dark,[data-theme="dark"] pre.code{background:#0B0B0A;color:var(--ink);border:1px solid var(--line)}
[data-theme="dark"] .side.admin{background:#0B0B0A;border:1px solid var(--line)}
[data-theme="dark"] .side.admin nav a[aria-current="page"]{color:#141414}
[data-theme="dark"] .modal,[data-theme="dark"] .tier[aria-pressed="true"],[data-theme="dark"] .vendor[aria-pressed="true"],[data-theme="dark"] .input:focus,[data-theme="dark"] .btn.white{background:#262624}
[data-theme="dark"] .tier[aria-pressed="true"],[data-theme="dark"] .vendor[aria-pressed="true"]{border-color:var(--ink)}
[data-theme="dark"] .navpill .links a,[data-theme="dark"] .side nav a{color:var(--muted)}
[data-theme="dark"] .sbars .sb{background:#34342F}
[data-theme="dark"] .modal-bg{background:rgba(0,0,0,.6)}
[data-theme="dark"] .badge.off{background:#2A2A27;color:var(--muted)}
[data-theme="dark"] [style*="background:#fff"]{background:#262624!important}
[data-theme="dark"] .toggle input{background:#4A4A45}
.themebtn{width:40px;height:40px;border-radius:50%;border:0;background:var(--soft);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
[data-theme="dark"] .tier[aria-pressed="true"] .badge.lime{background:var(--lime);color:#141414}