/* GenBid free tools — design system.
   Layout: wide editorial bands on a paper ground; tools are two-column
   console (inputs left, results right) collapsing to one column on phones. */

/* Colour tokens mirror the main site's themes (client/contexts/ThemeContext.tsx).
   The page's data-theme comes from localStorage "ma_theme", shared with the React app. */
:root{
  --r:14px;
  --r-s:9px;
  --f-display:"Bricolage Grotesque","Trebuchet MS",system-ui,sans-serif;
  --f-body:"Public Sans","Helvetica Neue",Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --maxw:1180px;
  --gut:max(18px,env(safe-area-inset-left,0px));
  --gut-r:max(18px,env(safe-area-inset-right,0px));
}
/* Dark (default): emerald on navy */
:root,
:root[data-theme="dark"]{
  --paper:#111827; --paper-2:#172031; --surface:#1F2937; --surface-2:#243244;
  --ink:#FFFFFF; --ink-2:#DCE3EA; --muted:#AEB9C5; --line:#2E3D52; --line-2:#3A4C66;
  --brand:#10B981; --brand-2:#059669; --brand-3:#064E3B; --on-brand:#FFFFFF;
  --signal:#FF784E; --gold:#FFC861; --lime:#BBEC63; --violet:#9A8DFF;
  --ok:#3FCB82; --warn:#E8A33A; --crit:#FF7355;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 14px 30px -16px rgba(0,0,0,.7);
  --shadow-lg:0 2px 6px rgba(0,0,0,.5),0 34px 80px -34px rgba(0,0,0,.85);
  color-scheme:dark;
}
/* Blue: sky on deep navy */
:root[data-theme="blue"]{
  --paper:#0C1322; --paper-2:#111B33; --surface:#172555; --surface-2:#1B2C63;
  --ink:#F1F5F9; --ink-2:#D3DCE8; --muted:#94A0B4; --line:#20357A; --line-2:#2A4291;
  --brand:#38BDF8; --brand-2:#0EA5E9; --brand-3:#0C4A6E; --on-brand:#06233A;
  --signal:#FF8A5C; --gold:#FFC861; --lime:#BBEC63; --violet:#A99DFF;
  --ok:#3FCB82; --warn:#E8A33A; --crit:#FF7A5C;
  --shadow:0 1px 2px rgba(0,0,0,.45),0 14px 30px -16px rgba(0,0,0,.75);
  --shadow-lg:0 2px 6px rgba(0,0,0,.5),0 34px 80px -34px rgba(0,0,0,.9);
  color-scheme:dark;
}
/* Light: teal on warm paper */
:root[data-theme="light"]{
  --paper:#F2EFE9; --paper-2:#E8E5DE; --surface:#FBFAF7; --surface-2:#F5F3EE;
  --ink:#333333; --ink-2:#474747; --muted:#5C5C5C; --line:#D9D4CB; --line-2:#C6C1B9;
  --brand:#00897B; --brand-2:#00A896; --brand-3:#7FD8CD; --on-brand:#FFFFFF;
  --signal:#E5484D; --gold:#C98A00; --lime:#5E9E12; --violet:#6B5BFF;
  --ok:#0F8A4D; --warn:#B86E00; --crit:#D33A12;
  --shadow:0 1px 2px rgba(51,40,20,.06),0 12px 28px -14px rgba(51,40,20,.22);
  --shadow-lg:0 2px 4px rgba(51,40,20,.07),0 30px 70px -30px rgba(51,40,20,.36);
  color-scheme:light;
}

*{box-sizing:border-box}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--f-body);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%}
h1,h2,h3,h4{font-family:var(--f-display);margin:0;line-height:1.08;text-wrap:balance;letter-spacing:-.022em;font-weight:700}
h1{font-size:clamp(2.4rem,6.2vw,4.5rem)}
h2{font-size:clamp(1.75rem,3.6vw,2.7rem)}
h3{font-size:clamp(1.12rem,1.9vw,1.4rem)}
p{margin:0}
a{color:var(--brand);text-decoration-color:color-mix(in srgb,var(--brand) 40%,transparent);text-underline-offset:3px}
a:hover{text-decoration-color:currentColor}
:focus-visible{outline:2.5px solid var(--signal);outline-offset:2px;border-radius:4px}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-left:var(--gut);padding-right:var(--gut-r)}
.eyebrow{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.17em;text-transform:uppercase;color:var(--brand);font-weight:600}
.lede{font-size:clamp(1.03rem,1.6vw,1.22rem);color:var(--ink-2);max-width:62ch}
.mono{font-family:var(--f-mono)}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;border:1px solid transparent;
  font-family:var(--f-body);font-weight:650;font-size:.95rem;cursor:pointer;
  padding:.72em 1.25em;border-radius:999px;text-decoration:none;
  transition:transform .18s cubic-bezier(.2,.8,.3,1),box-shadow .18s,background .18s,color .18s;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--brand);color:var(--on-brand);box-shadow:0 10px 24px -12px color-mix(in srgb,var(--brand) 85%,transparent)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -14px color-mix(in srgb,var(--brand) 85%,transparent)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-signal{background:var(--signal);color:#fff}
.btn-signal:hover{transform:translateY(-2px);box-shadow:0 18px 34px -14px color-mix(in srgb,var(--signal) 80%,transparent)}
.btn-sm{padding:.5em .9em;font-size:.84rem}

/* ---------- chrome ---------- */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--surface)}
.topbar{
  position:sticky;top:env(safe-area-inset-top,0px);z-index:50;
  background:color-mix(in srgb,var(--surface) 88%,transparent);
  backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line);
}
.topbar-in{display:flex;align-items:center;gap:1rem;padding-block:.7rem;max-width:var(--maxw);margin-inline:auto;padding-left:var(--gut);padding-right:var(--gut-r)}
.brand{display:flex;align-items:center;gap:.55rem;font-family:var(--f-display);font-weight:800;font-size:1.14rem;letter-spacing:-.03em;color:var(--ink);text-decoration:none}
.brand .dot{width:11px;height:11px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 0 color-mix(in srgb,var(--brand) 60%,transparent);animation:pulse 2.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--brand) 55%,transparent)}70%{box-shadow:0 0 0 11px transparent}100%{box-shadow:0 0 0 0 transparent}}
.nav{display:flex;align-items:center;gap:.25rem;margin-left:auto;flex-wrap:nowrap}
.nav a{color:var(--ink-2);text-decoration:none;font-size:.9rem;font-weight:600;padding:.4rem .62rem;border-radius:8px}
.nav a:hover{background:var(--paper-2);color:var(--brand)}
.nav a.btn-primary,.nav a.btn-primary:hover{color:var(--on-brand);background:var(--brand);padding:.45rem .95rem;border-radius:999px}
.icon-btn{background:var(--surface);border:1px solid var(--line-2);width:36px;height:36px;border-radius:50%;display:grid;place-items:center;cursor:pointer;color:var(--ink);font-size:.95rem;transition:.2s}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);transform:rotate(-12deg)}
@media (max-width:720px){.nav a.hide-s{display:none}}

/* ---------- animated ground ---------- */
.orbs{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.orb{position:absolute;border-radius:50%;filter:blur(62px);opacity:.5;animation:drift 22s ease-in-out infinite}
.orb.a{width:46vw;height:46vw;background:var(--brand-3);top:-14vw;left:-8vw}
.orb.b{width:34vw;height:34vw;background:var(--gold);top:18vw;right:-10vw;animation-delay:-7s;opacity:.38}
.orb.c{width:28vw;height:28vw;background:var(--violet);bottom:-12vw;left:28vw;animation-delay:-13s;opacity:.26}
@keyframes drift{0%,100%{transform:translate3d(0,0,0) scale(1)}33%{transform:translate3d(4vw,-3vw,0) scale(1.1)}66%{transform:translate3d(-3vw,4vw,0) scale(.94)}}

/* Reveal is opt-in: the page is fully readable with no JS, and a safety timer
   releases anything the observer never reached. */
.anim .reveal:not(.in){opacity:0;transform:translateY(22px)}
.anim .reveal{transition:opacity .7s cubic-bezier(.2,.8,.3,1),transform .7s cubic-bezier(.2,.8,.3,1)}
@media (prefers-reduced-motion:reduce){
  .anim .reveal:not(.in){opacity:1;transform:none}
  .anim .reveal{transition:none}
  .orb,.brand .dot{animation:none}
  *{scroll-behavior:auto!important}
}

/* ---------- cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.grid{display:grid;gap:1rem}
.g2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}

.pill{display:inline-flex;align-items:center;gap:.4em;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.09em;text-transform:uppercase;font-weight:600;padding:.3em .62em;border-radius:999px;border:1px solid var(--line-2);color:var(--muted);background:var(--surface-2)}
.pill.free{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 42%,transparent);background:color-mix(in srgb,var(--ok) 10%,transparent)}
.pill.c1{color:var(--brand);border-color:color-mix(in srgb,var(--brand) 42%,transparent);background:color-mix(in srgb,var(--brand) 9%,transparent)}
.pill.c2{color:var(--violet);border-color:color-mix(in srgb,var(--violet) 42%,transparent);background:color-mix(in srgb,var(--violet) 9%,transparent)}
.pill.c3{color:var(--signal);border-color:color-mix(in srgb,var(--signal) 42%,transparent);background:color-mix(in srgb,var(--signal) 9%,transparent)}
.pill.c4{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 42%,transparent);background:color-mix(in srgb,var(--warn) 10%,transparent)}
.pill.c5{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 42%,transparent);background:color-mix(in srgb,var(--ok) 9%,transparent)}

/* ---------- tool cards ---------- */
.tool-card{
  position:relative;display:flex;flex-direction:column;gap:.55rem;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:1.05rem 1.05rem 1.15rem;text-decoration:none;color:inherit;min-width:0;
  transition:transform .22s cubic-bezier(.2,.8,.3,1),box-shadow .22s,border-color .22s;
  overflow:hidden;
}
.tool-card::after{content:"";position:absolute;inset:auto 0 0 0;height:3px;background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--lime));transform:scaleX(0);transform-origin:left;transition:transform .35s cubic-bezier(.2,.8,.3,1)}
.tool-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--line-2)}
.tool-card:hover::after{transform:scaleX(1)}
.tool-card .num{font-family:var(--f-mono);font-size:.7rem;color:var(--muted);letter-spacing:.1em}
.tool-card .ttl{font-family:var(--f-display);font-weight:700;font-size:1.03rem;line-height:1.22;letter-spacing:-.018em}
.tool-card .desc{font-size:.87rem;color:var(--muted);line-height:1.5}
.tool-card .row{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:auto;padding-top:.5rem}

/* ---------- forms ---------- */
label.f{display:flex;flex-direction:column;gap:.34rem;font-size:.84rem;font-weight:650;color:var(--ink-2);min-width:0}
label.f .hint{font-weight:400;font-size:.78rem;color:var(--muted);line-height:1.45}
input[type=text],input[type=number],input[type=date],textarea,select{
  width:100%;font-family:var(--f-body);font-size:.93rem;color:var(--ink);
  background:var(--surface-2);border:1px solid var(--line-2);border-radius:var(--r-s);
  padding:.6rem .7rem;transition:border-color .18s,box-shadow .18s;
}
textarea{font-family:var(--f-mono);font-size:.82rem;line-height:1.55;resize:vertical;min-height:92px}
input:focus,textarea:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent);outline:none}
.chips{display:flex;flex-wrap:wrap;gap:.4rem}
.chip{display:inline-flex;align-items:center;gap:.35rem;border:1px solid var(--line-2);background:var(--surface-2);border-radius:999px;padding:.34rem .7rem;font-size:.82rem;cursor:pointer;transition:.16s;user-select:none}
.chip:hover{border-color:var(--brand)}
.chip input{position:absolute;opacity:0;width:0;height:0}
.chip.on{background:color-mix(in srgb,var(--brand) 13%,transparent);border-color:var(--brand);color:var(--brand);font-weight:650}
.rng{display:flex;align-items:center;gap:.6rem}
.rng input[type=range]{flex:1;accent-color:var(--brand)}
.rng output{font-family:var(--f-mono);font-size:.82rem;min-width:3.2em;text-align:right;color:var(--brand);font-weight:600}

/* ---------- tool console ---------- */
.console{display:grid;grid-template-columns:minmax(0,370px) minmax(0,1fr);gap:1.4rem;align-items:start}
@media (max-width:900px){.console{grid-template-columns:1fr}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:1.15rem;min-width:0}
.panel h3{margin-bottom:.2rem}
.form-grid{display:flex;flex-direction:column;gap:.85rem;margin-top:.9rem}
.sticky-form{position:sticky;top:calc(env(safe-area-inset-top,0px) + 72px)}
@media (max-width:900px){.sticky-form{position:static}}

.out-head{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin-bottom:.9rem}
.out-head h3{margin-right:auto}
.block{margin-bottom:1.35rem;min-width:0}
.block:last-child{margin-bottom:0}
.block-ttl{font-family:var(--f-display);font-size:1rem;font-weight:700;letter-spacing:-.015em;margin-bottom:.5rem;display:flex;align-items:center;gap:.5rem}
.block-ttl::before{content:"";width:5px;height:1em;border-radius:3px;background:var(--brand);flex:none}

.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(152px,1fr));gap:.7rem}
.kpi{display:flex;flex-direction:column;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-s);padding:.7rem .8rem;min-width:0}
.kpi .k{display:block;font-family:var(--f-mono);font-size:.64rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);line-height:1.35}
.kpi .v{display:block;font-family:var(--f-display);font-size:clamp(1.15rem,1.05rem + .55vw,1.45rem);font-weight:700;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1.2;margin-top:.2rem;overflow-wrap:anywhere}
.kpi .s{display:block;font-size:.75rem;color:var(--muted);line-height:1.35;margin-top:.2rem}
.kpi.good .v{color:var(--ok)} .kpi.warn .v{color:var(--warn)} .kpi.crit .v{color:var(--crit)} .kpi.brand .v{color:var(--brand)}

.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-s);background:var(--surface-2)}
table.t{border-collapse:collapse;width:100%;font-size:.84rem;min-width:420px}
table.t th{text-align:left;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:600;padding:.6rem .7rem;border-bottom:1px solid var(--line-2);white-space:nowrap;background:var(--surface)}
table.t td{padding:.58rem .7rem;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.45}
table.t tr:last-child td{border-bottom:none}
table.t tbody tr:hover{background:color-mix(in srgb,var(--brand) 5%,transparent)}
table.t td.num{font-variant-numeric:tabular-nums;text-align:right;font-family:var(--f-mono);font-size:.8rem;white-space:nowrap}
.sev{display:inline-block;font-family:var(--f-mono);font-size:.66rem;font-weight:700;letter-spacing:.06em;padding:.16em .5em;border-radius:5px;text-transform:uppercase}
.sev.hi{background:color-mix(in srgb,var(--crit) 16%,transparent);color:var(--crit)}
.sev.me{background:color-mix(in srgb,var(--warn) 18%,transparent);color:var(--warn)}
.sev.lo{background:color-mix(in srgb,var(--ok) 15%,transparent);color:var(--ok)}
.sev.in{background:color-mix(in srgb,var(--brand) 14%,transparent);color:var(--brand)}

.note{border-left:3px solid var(--brand);background:var(--surface-2);border-radius:0 var(--r-s) var(--r-s) 0;padding:.75rem .9rem;font-size:.87rem;color:var(--ink-2)}
.note strong{display:block;color:var(--ink);font-family:var(--f-display);font-size:.95rem;margin-bottom:.15rem}
.note.warn{border-left-color:var(--warn)}
.note.crit{border-left-color:var(--crit)}
.note.sell{border-left-color:var(--signal);background:color-mix(in srgb,var(--signal) 7%,transparent)}

.prose{font-size:.91rem;line-height:1.68;color:var(--ink-2);white-space:pre-wrap;word-wrap:break-word}
.prose strong{color:var(--ink)}
ul.ls{margin:0;padding-left:1.15rem;font-size:.88rem;line-height:1.65;color:var(--ink-2)}
ul.ls li{margin-bottom:.3rem}
ol.st{margin:0;padding-left:1.25rem;font-size:.88rem;line-height:1.6;color:var(--ink-2)}
ol.st li{margin-bottom:.4rem}
.lk{display:flex;flex-direction:column;gap:.45rem}
.lk a{font-size:.87rem;display:flex;gap:.5rem;align-items:baseline;word-break:break-word}
.lk .lbl{font-weight:650;flex:none}

.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translate(-50%,24px);background:var(--ink);color:var(--paper);padding:.6rem 1.1rem;border-radius:999px;font-size:.86rem;font-weight:600;opacity:0;transition:.3s;pointer-events:none;z-index:99}
.toast.on{opacity:1;transform:translate(-50%,0)}

.foot{border-top:1px solid var(--line);background:var(--surface);margin-top:3.5rem}
.foot-in{display:flex;gap:1.5rem;flex-wrap:wrap;padding-block:2rem;max-width:var(--maxw);margin-inline:auto;padding-left:var(--gut);padding-right:var(--gut-r);font-size:.86rem;color:var(--muted)}
.foot-in a{color:var(--ink-2);text-decoration:none}
.foot-in a:hover{color:var(--brand)}