/* Osiris Virtual Studio — shared styles (v2, Sept 2026 refresh) */
:root{
  /* light, professional theme (Sept 14) — names kept for compatibility: onyx = page ground, bone = primary text */
  --onyx:#F6F7FA; --ink:#FFFFFF; --panel:#FFFFFF; --panel-2:#F1F3F8; --line:#E4E7EE; --line-strong:#CBD1DD;
  --bone:#12141F; --bone-2:#3F4559; --muted:#6B7188; --faint:#9AA0B4;
  --accent:#4F46E5; --accent-soft:#EEF0FF; --accent-ink:#3730A3; --blue:#2563EB; --blue-soft:#EAF1FF;
  --good:#15803D; --warn:#B45309; --bad:#B91C1C;
  /* validated chart series (light surface) */
  --s1:#4F46E5; --s2:#0891B2; --s3:#C2410C; --s4:#16A34A;
  --display:'Manrope',system-ui,sans-serif; --serif:Georgia,'Iowan Old Style','Source Serif Pro','Times New Roman',serif; --body:'Inter',system-ui,sans-serif; --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --r:10px; --r-sm:6px; --wrap:1140px; --shadow:0 1px 2px rgba(18,20,31,.04),0 10px 30px rgba(18,20,31,.05);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--onyx);color:var(--bone);font-family:var(--body);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
::selection{background:var(--accent-soft)}
a{color:var(--accent-ink);text-decoration:none}
a:hover{text-decoration:underline}
img,svg,video,iframe{max-width:100%}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;letter-spacing:-.015em;line-height:1.15;text-wrap:balance}
code,.mono{font-family:var(--mono);font-size:.85em}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:24px}
.eyebrow{font-family:var(--body);color:var(--accent);text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;font-weight:700;margin-bottom:14px}
.muted{color:var(--muted)}
.small{font-size:.86rem}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:8px;font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:.18s;font-family:var(--body);text-decoration:none!important;line-height:1}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(79,70,229,.25)}
.btn-primary:hover{background:var(--accent-ink);color:#fff;transform:translateY(-1px)}
.btn-ghost{border-color:var(--line-strong);color:var(--bone);background:#fff}
.btn-ghost:hover{border-color:var(--bone);background:var(--panel-2)}
.btn-sm{padding:8px 14px;font-size:.84rem}
.btn-blue{background:var(--accent-soft);color:var(--accent-ink);border-color:transparent}
.btn-blue:hover{background:#E0E4FF}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
/* brand lockup: OV mark + editorial serif wordmark over tracked caps */
.logo{display:flex;align-items:center;gap:13px;color:var(--bone);text-decoration:none!important;white-space:nowrap}
.logo svg{width:34px;height:34px;flex-shrink:0}
.logo .wm{display:flex;flex-direction:column;line-height:1}
.logo .wm b{font-family:var(--serif);font-weight:700;font-size:1.24rem;letter-spacing:-.005em;color:var(--bone)}
.logo .wm i{font-style:normal;font-family:var(--body);font-size:.56rem;font-weight:600;letter-spacing:.3em;color:var(--muted);margin-top:6px}
@media(max-width:420px){.logo{gap:11px}.logo svg{width:30px;height:30px}.logo .wm b{font-size:1.12rem}.logo .wm i{font-size:.52rem;letter-spacing:.26em}}
.nav-links{display:flex;gap:26px;list-style:none;align-items:center}
.nav-links a{color:var(--bone-2);font-size:.9rem;font-weight:500;text-decoration:none!important}
.nav-links a:hover{color:var(--bone)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;background:#fff;border:1px solid var(--line-strong);color:var(--bone);border-radius:8px;width:40px;height:36px;cursor:pointer;font-size:1.1rem}
@media(max-width:820px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;padding:18px 24px;gap:16px;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-cta .btn{display:none}
}

/* footer */
footer{border-top:1px solid var(--line);padding:40px 0;color:var(--muted);font-size:.86rem;background:#fff}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;align-items:center}
footer a{color:var(--bone-2)}
.demo-head{background:linear-gradient(180deg,#fff,var(--onyx))}

/* cards & tiles */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--shadow)}
.tile .k{font-family:var(--body);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600}
.tile .v{font-family:var(--display);font-size:1.6rem;font-weight:800;margin-top:6px;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.tile .d{font-size:.8rem;color:var(--muted);margin-top:2px}
.up{color:var(--good)} .down{color:var(--bad)}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;font-size:.74rem;font-weight:700;letter-spacing:.02em;border:1px solid var(--line);background:#fff;color:var(--bone-2);white-space:nowrap}
.chip.accent{border-color:transparent;color:var(--accent-ink);background:var(--accent-soft)}
.chip.blue{border-color:transparent;color:#1D4ED8;background:var(--blue-soft)}
.chip.good{border-color:transparent;color:var(--good);background:#E7F6EC}
.chip.warn{border-color:transparent;color:var(--warn);background:#FDF1E3}
.chip.bad{border-color:transparent;color:var(--bad);background:#FCE8E8}
.chip.dim{color:var(--muted);background:var(--panel-2);border-color:transparent}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;background:currentColor}
.pulse{animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* tables */
.tbl{width:100%;border-collapse:collapse;font-size:.9rem}
.tbl th{text-align:left;font-family:var(--body);font-weight:600;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:10px 12px;border-bottom:1px solid var(--line-strong)}
.tbl td{padding:12px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums;font-size:.9rem}
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* demo shell */
.demo-banner{background:var(--accent-soft);border-bottom:1px solid #E0E4FF;font-size:.84rem;color:var(--accent-ink)}
.demo-banner .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;padding-block:10px}
.demo-banner b{color:var(--accent-ink)}
.demo-head{padding:44px 0 26px}
.demo-head h1{font-size:clamp(1.7rem,3.6vw,2.5rem)}
.demo-head p.lead{color:var(--bone-2);max-width:720px;margin-top:12px;font-size:1.05rem}
.demo-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.demo-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;align-items:start}
@media(max-width:960px){.demo-grid{grid-template-columns:minmax(0,1fr)}}
.aside h3{font-size:.95rem;margin-bottom:10px;color:var(--bone)}
.aside p,.aside li{font-size:.9rem;color:var(--bone-2)}
.aside ul{padding-left:18px;margin:6px 0 0}
.aside li{margin-bottom:6px}
.aside .card+.card{margin-top:16px}
.stack{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.stack span{font-family:var(--body);font-weight:600;font-size:.72rem;padding:3px 8px;border-radius:6px;background:var(--panel-2);border:1px solid var(--line);color:var(--bone-2)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px}
.tab{padding:8px 14px;border-radius:8px;border:1px solid var(--line-strong);background:#fff;color:var(--bone-2);font-size:.86rem;font-weight:500;cursor:pointer;font-family:var(--body)}
.tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.tab:hover:not(.active){border-color:var(--bone)}
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(150px,100%),1fr));gap:12px;margin-bottom:18px}
.section-title{font-size:1.05rem;margin:26px 0 12px;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.legend{display:flex;flex-wrap:wrap;gap:14px;font-size:.8rem;color:var(--bone-2);margin-top:10px;font-weight:600}
.legend i{display:inline-block;width:14px;height:3px;border-radius:2px;margin-right:6px;vertical-align:middle}
.legend b{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:middle}
.tooltip{position:absolute;pointer-events:none;background:#12141F;border:1px solid #12141F;border-radius:8px;padding:8px 10px;font-size:.78rem;color:#fff;font-family:var(--body);white-space:nowrap;transform:translate(-50%,-110%);opacity:0;transition:opacity .12s;z-index:5}
.chart-wrap{position:relative}
.timeline{list-style:none;position:relative;padding-left:22px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:1px;background:var(--line-strong)}
.timeline li{position:relative;padding:0 0 16px 0;font-size:.9rem;color:var(--bone-2)}
.timeline li::before{content:"";position:absolute;left:-19px;top:7px;width:7px;height:7px;border-radius:50%;background:var(--muted)}
.timeline li.on::before{background:var(--blue);box-shadow:0 0 0 4px var(--blue-soft)}
.timeline li.ok::before{background:var(--good)}
.timeline .t{font-family:var(--body);font-weight:600;font-size:.72rem;color:var(--muted);display:block;margin-bottom:2px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:.88rem}
.kv dt{color:var(--muted);font-family:var(--body);font-weight:600;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;padding-top:3px}
.kv dd{color:var(--bone-2)}
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);background:#12141F;color:#fff;box-shadow:var(--shadow);padding:10px 16px;border-radius:999px;font-size:.86rem;font-weight:600;opacity:0;transition:.2s;z-index:100;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.email-frame{background:#fff;color:#1a1a1a;border:1px solid var(--line);border-radius:10px;padding:0;overflow:hidden;font-family:var(--body)}
.progress{height:6px;background:#E6E9F2;border-radius:3px;overflow:hidden}
.progress i{display:block;height:100%;background:var(--accent);border-radius:3px}
.progress.cyan i{background:var(--blue)}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:16px}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.back{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:.86rem;text-decoration:none!important}
.back:hover{color:var(--bone)}
select,input[type=text],input[type=email],input[type=number],textarea{background:#fff;border:1px solid var(--line-strong);color:var(--bone);border-radius:8px;padding:8px 10px;font-family:var(--body);font-size:.9rem}
select:focus,input:focus,textarea:focus{outline:2px solid rgba(79,70,229,.35);outline-offset:1px}
.switch{display:inline-flex;align-items:center;gap:8px;font-size:.86rem;color:var(--bone-2);cursor:pointer;user-select:none}
.switch input{appearance:none;width:34px;height:20px;border-radius:999px;background:#E6E9F2;border:1px solid var(--line-strong);position:relative;cursor:pointer;transition:.15s}
.switch input::after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:var(--muted);transition:.15s}
.switch input:checked{background:var(--accent-soft);border-color:var(--accent)}
.switch input:checked::after{left:16px;background:var(--accent)}

/* case system (Sept 14): Title Case headings & controls, uppercase labels */
h1,h2,h3,h4,.btn,.tab,.nav-links a,.back,.section-title>span:first-child{text-transform:capitalize}
.chip,.tile .k,.eyebrow,.legend,.tag,.stack span,.demo-banner b{text-transform:uppercase}
.chip{letter-spacing:.06em;font-size:.68rem}
.stack span{letter-spacing:.06em;font-size:.66rem}
.legend{letter-spacing:.06em;font-size:.72rem}
.email-frame h4,.report h4,.review h4{text-transform:none}
.mono,code{text-transform:none}

/* professional pass (Sept 14): monospace only for real code/numbers; labels use the sans */
.sleeve .k,.review h4,.ep .no,.ep .sub,.pipe .s b,.plat .p h4,.plat .blk .lbl,.plat .cp,.report .rh span,.email-frame .eh span,.c .m,.c .tl span,.c .acts button,.c .links span,.side h5,.ind .i .k,.log .t,.tag,.report .kpi small,.lane .l p,.hero .note,.strip span,.proj .cat,.step .n,.tools span,.offer .ic,.console .bar span,.news .m,.ctrl label,.bars div span,.bars div b,.budget .mono,.section-title .mono{font-family:var(--body)!important}
.ep .no,.log .t,.c .tl span,.bars div b{font-variant-numeric:tabular-nums;font-weight:600}
.proj .cat,.strip span,.step .n,.sleeve .k,.review h4,.ind .i .k,.side h5,.plat .blk .lbl,.report .kpi small,.ctrl label{font-weight:700;letter-spacing:.08em}
.tools span{border-radius:8px;background:#fff}