/* ============================================================================
   Kmila Web — Design System
   Ported from the locked brand tokens (App/Kmila/Kmila.Shared/wwwroot/css/tokens.css)
   and the approved Mockup 01 (dark IDE). Dark-first; light overrides via
   <html data-theme="light">. No JS required for the base styles.
   ============================================================================ */

/* ----- Tokens: dark (default / :root) ----- */
:root {
  /* Brand */
  --primary: #64748b;
  --primary-light: #94a3b8;
  --primary-dark: #475569;
  --accent: #60a5fa;
  --accent-hover: #93c5fd;
  --accent-soft: rgba(96, 165, 250, .15);

  /* Slate ramp (stable across themes) */
  --slate-50:#f8fafc; --slate-100:#f1f5f9; --slate-200:#e2e8f0; --slate-300:#cbd5e1;
  --slate-400:#94a3b8; --slate-500:#64748b; --slate-600:#475569; --slate-700:#334155;
  --slate-800:#1e293b; --slate-900:#0f172a; --slate-950:#020617;

  /* Surfaces */
  --surface-0:#0b1220; --surface-1:#111a2e; --surface-2:#162038; --surface-3:#1e293b;

  /* Text */
  --text-strong:#f8fafc; --text:#e2e8f0; --text-muted:#94a3b8; --text-subtle:#64748b;

  /* Borders */
  --border:rgba(148,163,184,.16); --border-strong:rgba(148,163,184,.28);

  /* Semantic + signal (data-viz accents) */
  --success:#34d399; --warning:#fbbf24; --danger:#f87171;
  --signal-clock:#34d399; --signal-input:#60a5fa; --signal-output:#fbbf24; --signal-vector:#a78bfa;

  --shadow-1:0 1px 2px 0 rgba(0,0,0,.3),0 1px 3px 0 rgba(0,0,0,.2);
  --shadow-2:0 2px 4px -1px rgba(0,0,0,.35),0 8px 24px -6px rgba(0,0,0,.35);
  --shadow-3:0 4px 8px -2px rgba(0,0,0,.4),0 18px 40px -12px rgba(0,0,0,.5);

  /* Type */
  --font-sans:'Helvetica Neue',Helvetica,Arial,system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,'SF Mono',Menlo,Consolas,monospace;

  /* Layout */
  --max:1160px;
  --radius-sm:8px; --radius-md:12px; --radius-lg:16px; --radius-xl:20px; --radius-pill:999px;
  --nav-h:64px;
}

/* ----- Tokens: light override ----- */
:root[data-theme="light"] {
  --primary:#475569; --primary-light:#64748b; --primary-dark:#334155;
  --accent:#3c82f6; --accent-hover:#2563eb; --accent-soft:#dbeafe;
  --surface-0:#ffffff; --surface-1:#f8fafc; --surface-2:#ffffff; --surface-3:#f1f5f9;
  --text-strong:#0f172a; --text:#334155; --text-muted:#64748b; --text-subtle:#94a3b8;
  --border:#e2e8f0; --border-strong:#cbd5e1;
  --success:#059669; --warning:#d97706; --danger:#dc2626;
  --signal-clock:#10b981; --signal-input:#3c82f6; --signal-output:#f59e0b; --signal-vector:#8b5cf6;
  --shadow-1:0 1px 2px 0 rgba(15,23,42,.04),0 1px 3px 0 rgba(15,23,42,.06);
  --shadow-2:0 2px 4px -1px rgba(15,23,42,.06),0 8px 24px -6px rgba(15,23,42,.10);
  --shadow-3:0 4px 8px -2px rgba(15,23,42,.08),0 18px 40px -12px rgba(15,23,42,.14);
}

/* ----- Base ----- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font-family:var(--font-sans); color:var(--text); line-height:1.6;
  -webkit-font-smoothing:antialiased;
  background:
    radial-gradient(1000px 600px at 80% -5%, rgba(96,165,250,.10), transparent 60%),
    radial-gradient(900px 700px at -10% 10%, rgba(167,139,250,.07), transparent 55%),
    var(--surface-0);
}
:root[data-theme="light"] body{
  background:radial-gradient(900px 500px at 50% -10%, #eef4ff, transparent 60%), var(--slate-50);
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
/* Sticky footer: fill the viewport so a short page still pins the footer to the bottom. */
.km-app{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}
.km-main{flex:1 0 auto}
.km-footer{flex-shrink:0}
[hidden]{display:none!important}
h1,h2,h3{color:var(--text-strong)}
.km-wrap{max-width:var(--max);margin-inline:auto;padding-inline:24px}
.km-mono{font-family:var(--font-mono)}
[dir="rtl"] .km-mono{direction:ltr;unicode-bidi:embed}

/* ----- Buttons ----- */
.km-btn{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;
  padding:10px 18px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;
  transition:.16s;white-space:nowrap;text-align:center}
.km-btn-lg{padding:13px 24px;font-size:15px}
.km-btn-primary{background:var(--accent);color:#0b1220}
:root[data-theme="light"] .km-btn-primary{color:#fff}
.km-btn-primary:hover{background:var(--accent-hover)}
.km-btn-ghost{border-color:var(--border-strong);color:var(--text)}
.km-btn-ghost:hover{background:var(--surface-2);border-color:var(--slate-500)}

/* ----- Nav ----- */
.km-nav{position:sticky;top:env(safe-area-inset-top,0);z-index:100;backdrop-filter:blur(12px);
  background:color-mix(in srgb, var(--surface-0) 78%, transparent);border-bottom:1px solid var(--border)}
.km-nav-in{display:flex;align-items:center;gap:26px;height:var(--nav-h)}
.km-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text-strong);font-size:18px;letter-spacing:-.01em}
.km-brand img{display:block;width:30px;height:auto;border-radius:7px}
.km-nav-links{display:flex;gap:24px;font-size:14px;color:var(--text-muted);align-items:center}
.km-nav-links a:hover{color:var(--text-strong)}
.km-nav-links a.active{color:var(--text-strong)}
.km-nav-right{margin-left:auto;display:flex;gap:12px;align-items:center}
.km-nav-links a{white-space:nowrap}
/* Authenticated actions must stay a single row (a plain block wraps its inline-flex buttons). */
.km-auth-actions{display:flex;align-items:center;gap:10px}
/* User dropdown (reuses the language-menu list styles) */
.km-usermenu{position:relative}
.km-usermenu>summary{list-style:none;cursor:pointer;white-space:nowrap}
.km-usermenu>summary::-webkit-details-marker{display:none}
.km-langmenu__list form{margin:0}
.km-langmenu__list button{display:block;width:100%;text-align:start;padding:8px 12px;border-radius:6px;
  font-size:13.5px;color:var(--text-muted);background:none;border:none;cursor:pointer;font:inherit}
.km-langmenu__list button:hover{background:var(--surface-3);color:var(--text-strong)}
.km-lang{background:transparent;border:1px solid var(--border-strong);color:var(--text-muted);
  border-radius:var(--radius-sm);padding:7px 10px;font-size:13px;font-family:var(--font-mono);cursor:pointer}
.km-lang:hover{color:var(--text-strong)}
.km-logout{display:inline;margin:0}

/* Mobile menu (JS-free <details>; shown ≤820px) */
.km-mobilemenu{display:none;position:relative}
.km-burger{list-style:none;cursor:pointer;display:flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:38px;padding:9px 9px;border:1px solid var(--border-strong);border-radius:var(--radius-sm)}
.km-burger::-webkit-details-marker{display:none}
.km-burger span{display:block;height:2px;width:100%;background:var(--text);border-radius:2px;transition:.18s}
.km-mobilemenu[open] .km-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.km-mobilemenu[open] .km-burger span:nth-child(2){opacity:0}
.km-mobilemenu[open] .km-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.km-mobilemenu__panel{position:absolute;top:calc(100% + 10px);inset-inline-end:0;min-width:230px;
  max-width:calc(100vw - 32px);background:var(--surface-2);border:1px solid var(--border-strong);
  border-radius:var(--radius-md);padding:10px;display:flex;flex-direction:column;gap:2px;z-index:200;box-shadow:var(--shadow-3)}
.km-mobilemenu__panel>a{padding:11px 12px;border-radius:var(--radius-sm);font-size:15px;color:var(--text)}
.km-mobilemenu__panel>a:hover{background:var(--surface-3);color:var(--text-strong)}
.km-mobilemenu__panel .km-btn{width:100%;justify-content:center;margin-top:4px}
.km-mobilemenu__panel .km-logout{display:block;width:100%}
.km-mobilemenu__sep{height:1px;background:var(--border);margin:8px 4px}
@media(max-width:820px){
  .km-nav-links{display:none}
  .km-auth-actions{display:none}
  .km-mobilemenu{display:block}
}

/* ----- Mobile spacing pass (marketing pages) ----- */
@media(max-width:600px){
  .km-wrap{padding-inline:20px}
  .km-section{padding:56px 0}
  .km-hero{padding:44px 0 24px}
  .km-page-hero{padding:44px 0 4px}
  .km-cta{margin-bottom:56px}
  .km-cta-box{padding:38px 22px}
  .km-stats{margin-top:40px}
  .km-grid,.km-steps,.km-roadmap{margin-top:32px}
  .km-problem{padding:16px 16px;gap:12px}
  .km-problem .tag{width:76px}
}

/* ----- Hero ----- */
.km-hero{padding:80px 0 40px}
.km-hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
@media(max-width:940px){.km-hero-grid{grid-template-columns:1fr;gap:36px}.km-hero{padding-top:56px}}
.km-pill{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:var(--accent-hover);background:var(--accent-soft);border:1px solid var(--border-strong);
  padding:6px 12px;border-radius:var(--radius-pill);font-family:var(--font-mono)}
.km-dot{width:7px;height:7px;border-radius:50%;background:var(--signal-clock);box-shadow:0 0 10px var(--signal-clock)}
.km-h1{font-size:clamp(2.3rem,1.7rem+2.6vw,3.6rem);line-height:1.05;letter-spacing:-.03em;margin:20px 0 0;font-weight:700}
.km-grad{background:linear-gradient(100deg,var(--accent),var(--signal-vector));-webkit-background-clip:text;background-clip:text;color:transparent}
.km-lede{font-size:clamp(1.02rem,.98rem+.4vw,1.2rem);color:var(--text-muted);max-width:40ch;margin:20px 0 0}
.km-cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.km-meta{margin-top:22px;font-size:13px;color:var(--text-subtle);font-family:var(--font-mono)}
.km-meta b{color:var(--text);font-weight:600}

/* ----- Editor mock ----- */
.km-editor{border:1px solid var(--border-strong);border-radius:14px;overflow:hidden;
  background:var(--surface-1);box-shadow:var(--shadow-3)}
.km-editor-bar{display:flex;align-items:center;gap:8px;padding:11px 14px;background:var(--surface-2);border-bottom:1px solid var(--border)}
.km-tl{width:11px;height:11px;border-radius:50%}
.km-tl.r{background:#f87171}.km-tl.y{background:#fbbf24}.km-tl.g{background:#34d399}
.km-editor-tab{margin-left:12px;font-family:var(--font-mono);font-size:12px;color:var(--text-muted);
  background:var(--surface-1);padding:4px 12px;border-radius:6px;border:1px solid var(--border)}
.km-code{padding:16px 18px;font-family:var(--font-mono);font-size:12.5px;line-height:1.75;overflow-x:auto}
.km-code .ln{color:var(--slate-700);user-select:none;display:inline-block;width:22px;text-align:right;margin-right:16px}
.km-code .k{color:#c4b5fd}.km-code .t{color:#7dd3fc}.km-code .s{color:#86efac}.km-code .c{color:var(--slate-500)}.km-code .n{color:#fbbf24}
.km-wave{border-top:1px solid var(--border);background:var(--surface-2);padding:12px 16px}
.km-wave-h{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:10.5px;color:var(--text-subtle);margin-bottom:6px;text-transform:uppercase;letter-spacing:.08em}
.km-wave svg{display:block;width:100%;height:64px}

/* ----- Stat bar ----- */
.km-stats{border-block:1px solid var(--border);margin-top:56px}
.km-stats-in{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border)}
.km-stat{background:var(--surface-0);padding:26px 20px;text-align:center}
.km-stat b{display:block;font-size:clamp(1.5rem,1.2rem+1vw,2rem);color:var(--text-strong);font-weight:700;letter-spacing:-.02em}
.km-stat span{font-size:12.5px;color:var(--text-muted)}
@media(max-width:680px){.km-stats-in{grid-template-columns:repeat(2,1fr)}}

/* ----- Sections ----- */
.km-section{padding:88px 0}
.km-eyebrow{font-family:var(--font-mono);font-size:12.5px;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.12em}
.km-h2{font-size:clamp(1.7rem,1.3rem+1.6vw,2.5rem);letter-spacing:-.025em;margin:12px 0 0;font-weight:700}
.km-sub{color:var(--text-muted);max-width:56ch;margin:16px 0 0}
.km-head-center{text-align:center;max-width:640px;margin-inline:auto}
.km-head-center .km-sub{margin-inline:auto}

/* ----- Cards / grids ----- */
.km-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
@media(max-width:860px){.km-grid{grid-template-columns:1fr}}
.km-card{background:linear-gradient(180deg,var(--surface-1),var(--surface-0));border:1px solid var(--border);
  border-radius:14px;padding:26px;transition:.18s}
.km-card:hover{border-color:var(--border-strong);transform:translateY(-3px);box-shadow:var(--shadow-3)}
.km-ico{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;margin-bottom:16px;border:1px solid var(--border-strong)}
.km-card h3{margin:0 0 8px;font-size:16.5px;color:var(--text-strong)}
.km-card p{margin:0;font-size:14px;color:var(--text-muted)}

/* ----- Steps ----- */
.km-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:44px;counter-reset:s}
@media(max-width:860px){.km-steps{grid-template-columns:1fr}}
.km-step{position:relative;padding-left:56px}
.km-step::before{counter-increment:s;content:"0" counter(s);position:absolute;inset-inline-start:0;top:-4px;
  font-family:var(--font-mono);font-size:15px;font-weight:700;color:#0b1220;background:var(--accent);
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center}
[dir="rtl"] .km-step{padding-left:0;padding-right:56px}
.km-step h3{margin:0 0 6px;font-size:16px;color:var(--text-strong)}
.km-step p{margin:0;font-size:14px;color:var(--text-muted)}

/* ----- Platforms ----- */
.km-plats{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;justify-content:center}
.km-plat{display:flex;align-items:center;gap:10px;padding:12px 20px;border:1px solid var(--border);
  border-radius:10px;background:var(--surface-1);font-size:14px;font-weight:500}
.km-plat small{color:var(--text-subtle);font-family:var(--font-mono);font-size:11px}

/* ----- CTA box ----- */
.km-cta{margin:0 0 88px}
.km-cta-box{border:1px solid var(--border-strong);border-radius:var(--radius-xl);padding:56px 40px;text-align:center;
  background:radial-gradient(600px 300px at 50% 0%, var(--accent-soft), transparent 65%),var(--surface-1)}
.km-cta-box .km-cta-row{justify-content:center;margin-top:28px}

/* ----- Footer ----- */
.km-footer{border-top:1px solid var(--border);padding:44px 0;color:var(--text-subtle);font-size:13px}
.km-foot-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.km-foot-links{display:flex;gap:22px;flex-wrap:wrap}
.km-foot-links a:hover{color:var(--text)}

/* ----- Demo/no-persistence banner ----- */
.km-banner{background:var(--warning);color:#0b1220;font-size:12.5px;font-weight:600;text-align:center;
  padding:7px 16px;font-family:var(--font-mono)}

/* ----- Utilities ----- */
.km-center{text-align:center}
.km-fallback{display:inline-flex;gap:8px;align-items:center;font-size:12.5px;color:var(--warning);
  background:var(--accent-soft);border:1px solid var(--border-strong);border-radius:var(--radius-pill);padding:5px 12px;margin:0 0 12px}

/* ----- Page hero (interior pages) ----- */
.km-page-hero{padding:72px 0 8px;max-width:760px}
.km-page-hero .km-eyebrow{display:block}
.km-page-hero h1{font-size:clamp(2rem,1.5rem+2vw,3.1rem);letter-spacing:-.03em;line-height:1.08;margin:14px 0 0;font-weight:700}
.km-page-hero .km-lead{font-size:clamp(1.05rem,1rem+.5vw,1.3rem);color:var(--text-muted);margin:20px 0 0;max-width:60ch}

/* ----- Prose ----- */
.km-prose{max-width:70ch;color:var(--text);font-size:1.02rem}
.km-prose p{margin:0 0 16px}
.km-prose strong{color:var(--text-strong)}

/* ----- Two-column split ----- */
.km-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
@media(max-width:860px){.km-split{grid-template-columns:1fr;gap:32px}}

/* ----- Numbered problem list ----- */
.km-problems{display:flex;flex-direction:column;gap:0;border:1px solid var(--border-strong);border-radius:var(--radius-md);overflow:hidden}
.km-problem{display:flex;gap:16px;padding:20px 22px;border-bottom:1px solid var(--border)}
.km-problem:last-child{border-bottom:none}
.km-problem .tag{font-family:var(--font-mono);font-size:12px;color:var(--danger);font-weight:700;flex:0 0 auto;width:92px;text-transform:uppercase;letter-spacing:.04em}
.km-problem p{margin:0;font-size:14.5px;color:var(--text-muted)}
.km-problem b{color:var(--text-strong)}

/* ----- Solution checklist ----- */
.km-checklist{list-style:none;margin:16px 0 0;padding:0}
.km-checklist li{display:flex;gap:12px;padding:11px 0;font-size:15px;align-items:flex-start;color:var(--text)}
.km-checklist li svg{flex:0 0 auto;margin-top:3px;color:var(--signal-clock)}
.km-checklist b{color:var(--text-strong)}

/* ----- Comparison table ----- */
.km-compare{width:100%;border-collapse:collapse;margin-top:40px;font-size:14px;overflow:hidden;
  border:1px solid var(--border-strong);border-radius:var(--radius-md)}
.km-compare-wrap{overflow-x:auto}
.km-compare th,.km-compare td{padding:14px 16px;text-align:center;border-bottom:1px solid var(--border)}
.km-compare thead th{background:var(--surface-2);color:var(--text-strong);font-size:12.5px;text-transform:uppercase;letter-spacing:.05em}
.km-compare tbody th{text-align:start;color:var(--text);font-weight:600;background:var(--surface-1)}
.km-compare .km-col-kmila{background:var(--accent-soft);color:var(--accent-hover);font-weight:700}
.km-compare .yes{color:var(--signal-clock);font-weight:700}
.km-compare .no{color:var(--text-subtle)}
.km-compare tr:last-child td,.km-compare tr:last-child th{border-bottom:none}

/* ----- Roadmap ----- */
.km-roadmap{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
@media(max-width:860px){.km-roadmap{grid-template-columns:1fr}}
.km-milestone{border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;background:var(--surface-1)}
.km-milestone .when{font-family:var(--font-mono);font-size:12px;color:var(--accent);text-transform:uppercase;letter-spacing:.08em}
.km-milestone h3{margin:10px 0 8px;font-size:16px;color:var(--text-strong)}
.km-milestone p{margin:0;font-size:14px;color:var(--text-muted)}

/* ----- Docs hub ----- */
.km-docs{display:grid;grid-template-columns:250px 1fr;gap:44px;align-items:start;padding-block:32px 72px}
@media(max-width:900px){.km-docs{grid-template-columns:1fr;gap:24px}}
.km-docs-side{position:sticky;top:calc(var(--nav-h) + 16px + env(safe-area-inset-top,0px));
  max-height:calc(100vh - var(--nav-h) - 40px);overflow-y:auto;padding-inline-end:8px}
@media(max-width:900px){.km-docs-side{position:static;max-height:none;border:1px solid var(--border);
  border-radius:var(--radius-md);padding:14px}}
.km-docs-side nav{display:flex;flex-direction:column;gap:18px}
.km-docs-home{font-family:var(--font-mono);font-size:12px;color:var(--text-subtle);text-transform:uppercase;letter-spacing:.08em}
.km-docs-home:hover{color:var(--text-strong)}
.km-docs-cat__t{font-size:12px;font-weight:700;color:var(--text-subtle);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}
.km-docs-cat a{display:block;padding:6px 10px;border-radius:6px;font-size:14px;color:var(--text-muted);border-inline-start:2px solid transparent}
.km-docs-cat a:hover{color:var(--text-strong);background:var(--surface-1)}
.km-docs-cat a.active{color:var(--accent);border-inline-start-color:var(--accent);background:var(--accent-soft);font-weight:600}
.km-docs-body{min-width:0}

.km-docs-group{margin-bottom:36px}
.km-docs-group__t{font-size:14px;color:var(--text-subtle);text-transform:uppercase;letter-spacing:.06em;font-family:var(--font-mono);margin:0 0 16px;font-weight:600}
.km-docs-cardgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:860px){.km-docs-cardgrid{grid-template-columns:1fr}}
.km-doc-card{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;
  border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-1);transition:.16s}
.km-doc-card:hover{border-color:var(--border-strong);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.km-doc-card__t{font-weight:600;color:var(--text-strong);font-size:15px}
.km-doc-card__arrow{color:var(--accent);font-weight:700}

/* ----- Rendered Markdown ----- */
.km-md{color:var(--text);font-size:1rem;line-height:1.7;max-width:76ch}
.km-md>*:first-child{margin-top:0}
.km-md h1{font-size:clamp(1.8rem,1.4rem+1.4vw,2.4rem);letter-spacing:-.02em;margin:0 0 8px;line-height:1.15}
.km-md h2{font-size:1.5rem;margin:44px 0 14px;padding-bottom:8px;border-bottom:1px solid var(--border);line-height:1.25}
.km-md h3{font-size:1.2rem;margin:30px 0 10px}
.km-md h4{font-size:1.02rem;margin:24px 0 8px;color:var(--text-strong)}
.km-md p{margin:0 0 16px}
.km-md a{color:var(--accent);text-decoration:none}
.km-md a:hover{text-decoration:underline}
.km-md ul,.km-md ol{margin:0 0 16px;padding-inline-start:24px}
.km-md li{margin:6px 0}
.km-md strong{color:var(--text-strong)}
.km-md hr{border:none;border-top:1px solid var(--border);margin:32px 0}
.km-md blockquote{margin:0 0 16px;padding:2px 18px;border-inline-start:3px solid var(--accent);
  color:var(--text-muted);background:var(--surface-1);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.km-md code{font-family:var(--font-mono);font-size:.88em;background:var(--surface-2);border:1px solid var(--border);
  padding:1px 6px;border-radius:5px;color:var(--text-strong)}
.km-md pre{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:16px 18px;overflow-x:auto;margin:0 0 18px}
.km-md pre code{background:none;border:none;padding:0;font-size:12.5px;line-height:1.7;color:var(--text)}
.km-md img{max-width:100%;border-radius:var(--radius-sm)}
.km-md table{border-collapse:collapse;width:100%;margin:0 0 18px;font-size:14px;display:block;overflow-x:auto}
.km-md th,.km-md td{border:1px solid var(--border);padding:9px 12px;text-align:start}
.km-md th{background:var(--surface-2);color:var(--text-strong);font-weight:600}

/* ----- Docs search ----- */
.km-docs-search{margin:0 0 4px}
.km-docs-search input[type="search"]{width:100%;background:var(--surface-1);border:1px solid var(--border-strong);
  color:var(--text);border-radius:var(--radius-sm);padding:9px 12px;font-size:14px;font-family:var(--font-sans)}
.km-docs-search input[type="search"]:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.km-docs-search--hero{display:flex;gap:10px;margin-top:24px;max-width:520px}
.km-docs-search--hero input{flex:1}
.km-search-results{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.km-search-hit{display:block;padding:16px 18px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-1);transition:.16s}
.km-search-hit:hover{border-color:var(--border-strong);background:var(--surface-2)}
.km-search-hit__t{display:block;font-weight:600;color:var(--accent);font-size:15px}
.km-search-hit__s{display:block;color:var(--text-muted);font-size:13.5px;margin-top:6px}

/* ----- Embeds (PDF / iframe) ----- */
.km-pdf{width:100%;height:640px;border:1px solid var(--border-strong);border-radius:var(--radius-md);background:var(--surface-1)}
.km-embed{width:100%;height:70vh;min-height:520px;border:1px solid var(--border-strong);border-radius:var(--radius-md);background:#fff;margin-top:8px}
.km-embed--tall{height:80vh}
.km-embed-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:18px 0}
.km-embed-themes{font-size:13px;color:var(--text-muted)}
.km-embed-themes a{color:var(--accent);margin-inline-start:10px}
.km-embed-themes a:hover{text-decoration:underline}

/* ----- Thesis cards ----- */
.km-thesis{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:24px}
@media(max-width:900px){.km-thesis{grid-template-columns:1fr}}
.km-thesis-card{border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;background:var(--surface-1)}
.km-thesis-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}
.km-thesis-card h2{font-size:1.15rem;margin:0 0 6px;border:none;padding:0}
.km-thesis-card p{color:var(--text-muted);font-size:14px;margin:0 0 14px}
.km-thesis-card .km-pdf{height:420px}
.km-badge{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;
  padding:4px 10px;border-radius:var(--radius-pill);border:1px solid var(--border-strong);color:var(--text-muted)}
.km-badge--current{background:var(--accent-soft);color:var(--accent-hover);border-color:var(--accent)}

/* ----- Metric grid (about) ----- */
.km-metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
@media(max-width:680px){.km-metric-grid{grid-template-columns:repeat(2,1fr)}}
.km-metric{border:1px solid var(--border);border-radius:var(--radius-md);padding:22px;background:var(--surface-1)}
.km-metric b{display:block;font-size:clamp(1.6rem,1.3rem+1vw,2.2rem);color:var(--text-strong);font-weight:700;letter-spacing:-.02em}
.km-metric span{font-size:13px;color:var(--text-muted)}
.km-people{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px}
@media(max-width:680px){.km-people{grid-template-columns:1fr}}
.km-person{border:1px solid var(--border);border-radius:var(--radius-md);padding:22px;background:var(--surface-1)}
.km-person b{display:block;font-size:clamp(1.05rem,1rem+.4vw,1.25rem);color:var(--text-strong);font-weight:700;letter-spacing:-.01em}
.km-person span{display:block;margin-top:6px;font-size:13px;color:var(--text-muted)}

/* Admin panel */
.km-admin{display:grid;grid-template-columns:220px 1fr;gap:32px;padding-block:40px;align-items:start}
@media(max-width:860px){.km-admin{grid-template-columns:1fr}}
.km-admin-side{position:sticky;top:80px}
.km-admin-nav{display:flex;flex-direction:column;gap:4px;margin-top:12px}
.km-admin-nav a{padding:8px 12px;border-radius:8px;color:var(--text-muted);text-decoration:none;font-size:14px}
.km-admin-nav a:hover{background:var(--surface-1);color:var(--text-strong)}
.km-admin-nav a.active{background:var(--surface-1);color:var(--accent);font-weight:600}
.km-admin-body{min-width:0}
.km-admin-head{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.km-h3{font-size:1.15rem;color:var(--text-strong);margin:0 0 12px}
.km-table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-md);margin-top:16px}
.km-table{width:100%;border-collapse:collapse;font-size:13px}
.km-table th,.km-table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);white-space:nowrap}
.km-table th{color:var(--text-muted);font-weight:600}
.km-table tr:last-child td{border-bottom:none}
.km-row-actions{display:flex;gap:6px}
.km-admin-form{display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;align-items:flex-end}
.km-field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-muted)}
.km-field input,.km-field select{padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--surface-1);color:var(--text-strong);min-width:160px}
.km-field--btn{justify-content:flex-end}
.km-admin-textarea{width:100%;min-height:420px;margin-top:14px;padding:14px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-1);color:var(--text-strong);font-family:var(--font-mono,monospace);font-size:12.5px;line-height:1.5;resize:vertical}
.km-admin-editor{margin-top:8px}

/* ----- Records list ----- */
.km-records{display:flex;flex-direction:column;gap:10px;margin-top:24px;max-width:640px}
.km-record{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;
  border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-1);font-size:14.5px;color:var(--text);transition:.16s}
.km-record:hover{border-color:var(--border-strong);background:var(--surface-2)}
.km-record__dl{font-family:var(--font-mono);font-size:12px;color:var(--accent);font-weight:600;white-space:nowrap}

/* ----- Updates / Newsletter ----- */
.km-updates-list{display:flex;flex-direction:column;gap:14px;margin-top:20px}
.km-update-card,.km-release-card{display:block;padding:20px 22px;border:1px solid var(--border);
  border-radius:var(--radius-md);background:var(--surface-1);transition:.16s}
.km-update-card:hover,.km-release-card:hover{border-color:var(--border-strong);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.km-update-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.km-update-date{font-family:var(--font-mono);font-size:12px;color:var(--text-subtle)}
.km-tag{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;
  color:var(--accent-hover);background:var(--accent-soft);border:1px solid var(--border-strong);
  padding:3px 9px;border-radius:var(--radius-pill)}
.km-update-title{display:block;font-size:17px;font-weight:700;color:var(--text-strong);margin:10px 0 0;letter-spacing:-.01em}
.km-update-summary{display:block;font-size:14px;color:var(--text-muted);margin-top:8px}

/* ----- Demo ----- */
.km-demo{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
@media(max-width:960px){.km-demo{grid-template-columns:1fr}}
.km-demo-editor,.km-demo-output{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-1);overflow:hidden}
.km-demo-toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:12px;border-bottom:1px solid var(--border);background:var(--surface-2)}
.km-demo-select,.km-demo-dur input{background:var(--surface-1);border:1px solid var(--border-strong);color:var(--text);border-radius:var(--radius-sm);padding:7px 10px;font-size:13px}
.km-demo-dur{font-size:12px;color:var(--text-muted);display:flex;gap:8px;align-items:center}
.km-demo-dur input{width:96px}
.km-demo-toolbar .km-btn:last-child{margin-inline-start:auto}
.km-demo-name{background:var(--surface-1);border:1px solid var(--border-strong);color:var(--text);
  border-radius:var(--radius-sm);padding:7px 10px;font-size:13px;min-width:130px}
.km-save-banner{padding:8px 14px;background:var(--accent-soft);color:var(--accent-hover);font-size:12.5px;border-bottom:1px solid var(--border)}
.km-demo-projects{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px;padding:12px 14px;
  border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-1)}
.km-demo-projects__t{font-size:13px;color:var(--text-muted);font-weight:600}
.km-proj-chip{display:inline-flex;align-items:center;gap:2px;border:1px solid var(--border-strong);
  border-radius:var(--radius-pill);padding:2px 4px 2px 12px}
.km-proj-chip.active{border-color:var(--accent);background:var(--accent-soft)}
.km-proj-load{background:none;border:none;color:var(--text);cursor:pointer;font-size:13px;padding:4px 2px}
.km-proj-chip.active .km-proj-load{color:var(--accent-hover);font-weight:600}
.km-proj-del{background:none;border:none;color:var(--text-subtle);cursor:pointer;font-size:16px;line-height:1;padding:0 6px;border-radius:50%}
.km-proj-del:hover{color:var(--danger)}
.km-proj-new{padding:6px 12px;font-size:13px}
.km-save-msg{font-size:12.5px;color:var(--text-subtle)}
.km-demo-code{display:block;width:100%;border:none;background:var(--surface-0);color:var(--text);
  font-family:var(--font-mono);font-size:12.5px;line-height:1.6;padding:14px;resize:vertical;min-height:400px;outline:none}
.km-demo-output{padding:16px;min-height:440px}
.km-demo-stats{font-size:13px;color:var(--text-muted);margin-bottom:14px}
.km-demo-stats b{color:var(--text-strong)}
.km-wavebox{display:flex;flex-direction:column;gap:3px}
.km-waverow{display:grid;grid-template-columns:120px 1fr 66px;gap:8px;align-items:center;height:30px}
.km-wavename{font-size:12px;color:var(--text);font-family:var(--font-mono);white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis;border-inline-start:3px solid var(--accent);padding-inline-start:8px}
.km-wavetrace{width:100%;height:28px;background:var(--surface-0);border-radius:4px}
.km-waveval{font-size:11px;text-align:end;white-space:nowrap;overflow:hidden}
.km-demo-log{margin-top:18px}
.km-demo-log summary{cursor:pointer;font-size:13px;color:var(--text-muted)}
.km-demo-log pre{background:var(--surface-0);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:12px;overflow:auto;font-size:11.5px;color:var(--text-muted);max-height:240px}

/* ----- App launch / download ----- */
.km-spinner{width:38px;height:38px;border-radius:50%;border:3px solid var(--border-strong);
  border-top-color:var(--accent);margin:0 auto 22px;animation:km-spin 1s linear infinite}
@keyframes km-spin{to{transform:rotate(360deg)}}
.km-cmd{background:var(--surface-2);border:1px solid var(--border-strong);border-radius:var(--radius-md);
  padding:16px 18px;overflow-x:auto;font-family:var(--font-mono);font-size:12.5px;line-height:1.7;color:var(--text);margin:14px 0}

/* ----- Auth (login / register / password flows) ----- */
.km-auth{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:40px 20px;
  padding-top:calc(40px + env(safe-area-inset-top,0px));padding-bottom:calc(40px + env(safe-area-inset-bottom,0px));
  background:
    radial-gradient(1000px 600px at 80% -5%, rgba(96,165,250,.10), transparent 60%),
    radial-gradient(900px 700px at -10% 10%, rgba(167,139,250,.08), transparent 55%),
    var(--surface-0)}
:root[data-theme="light"] .km-auth{background:radial-gradient(900px 500px at 50% -10%, #eef4ff, transparent 60%), var(--slate-50)}
.km-auth-shell{width:100%;max-width:430px;display:flex;flex-direction:column;align-items:center;gap:18px}
.km-auth-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--text-strong);letter-spacing:-.01em}
.km-auth-brand img{width:34px;height:auto;border-radius:8px;display:block}
.km-auth-card{width:100%;background:var(--surface-1);border:1px solid var(--border-strong);
  border-radius:var(--radius-lg);padding:34px 30px;box-shadow:var(--shadow-3)}
.km-auth-back{font-size:13px;color:var(--text-muted)}
.km-auth-back:hover{color:var(--text-strong)}

/* headings inside the card */
.km-auth-card h1{font-size:1.5rem;letter-spacing:-.02em;margin:0 0 6px;text-align:center;color:var(--text-strong)}
.km-auth-card h2,.km-auth-card h3{font-size:.95rem;font-weight:400;color:var(--text-muted);margin:0 0 24px;text-align:center;border:none;padding:0}
.km-auth-card hr{display:none}

/* Bootstrap form controls themed to the palette (covers all auth pages) */
.km-auth-card .form-floating{margin-bottom:14px}
.km-auth-card .form-control{background:var(--surface-0);border:1px solid var(--border-strong);color:var(--text);
  border-radius:var(--radius-sm)}
.km-auth-card .form-control::placeholder{color:transparent}
.km-auth-card .form-control:focus{background:var(--surface-0);color:var(--text);border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.km-auth-card .form-floating>label{color:var(--text-muted)}
.km-auth-card .form-floating>.form-control:focus~label,
.km-auth-card .form-floating>.form-control:not(:placeholder-shown)~label{color:var(--text-subtle);opacity:1}
.km-auth-card .form-floating>.form-control:focus~label::after,
.km-auth-card .form-floating>.form-control:not(:placeholder-shown)~label::after{background:var(--surface-0)!important}

/* buttons */
.km-auth-card .btn-primary,.km-auth-card button[type="submit"].btn{width:100%;background:var(--accent);border:none;
  color:#0b1220;font-weight:600;padding:12px;border-radius:var(--radius-sm);font-size:15px;margin-top:4px}
:root[data-theme="light"] .km-auth-card .btn-primary{color:#fff}
.km-auth-card .btn-primary:hover{background:var(--accent-hover)}

/* checkbox row */
.km-auth-check{display:flex;align-items:center;gap:8px;margin:2px 0 16px;font-size:14px;color:var(--text-muted)}
.km-auth-check label{display:flex;align-items:center;gap:8px;margin:0;cursor:pointer}
.km-auth-card .form-check-input{width:16px;height:16px;background:var(--surface-0);border:1px solid var(--border-strong)}
.km-auth-card .form-check-input:checked{background:var(--accent);border-color:var(--accent)}

/* links + validation + alerts */
.km-auth-card a{color:var(--accent)}
.km-auth-card a:hover{color:var(--accent-hover)}
.km-auth-card .text-danger{color:#fca5a5!important;font-size:13px}
:root[data-theme="light"] .km-auth-card .text-danger{color:var(--danger)!important}
.km-auth-card .alert{border-radius:var(--radius-sm);font-size:14px;padding:12px 14px;border:1px solid var(--border-strong);margin-bottom:18px}
.km-auth-card .alert-danger{background:rgba(248,113,113,.12);color:#fca5a5;border-color:rgba(248,113,113,.3)}
.km-auth-card .alert-success{background:rgba(52,211,153,.12);color:#6ee7b7;border-color:rgba(52,211,153,.3)}

.km-auth-links{margin-top:18px;display:flex;flex-direction:column;gap:10px;text-align:center;font-size:14px}
.km-auth-divider{display:flex;align-items:center;gap:12px;color:var(--text-subtle);font-size:11px;margin:22px 0;text-transform:uppercase;letter-spacing:.1em}
.km-auth-divider::before,.km-auth-divider::after{content:"";flex:1;height:1px;background:var(--border)}
.km-ext-btn{width:100%;background:var(--surface-2);border:1px solid var(--border-strong);color:var(--text);
  padding:11px;border-radius:var(--radius-sm);font-weight:600;cursor:pointer;font-size:14px;margin-top:8px}
.km-ext-btn:hover{border-color:var(--slate-500)}

/* Neutralize Bootstrap's grid inside auth/account cards so scaffolded forms fill the width
   (otherwise a col-md-4 squeezes the field + button, wrapping the button text). */
.km-auth-card .row{margin:0;--bs-gutter-x:0}
.km-auth-card [class*="col-"]{flex:0 0 100%;max-width:100%;width:100%;padding-inline:0}

/* Account management area (/Account/Manage/*): reuse the admin grid + auth-card control theming. */
.km-account-card{padding:30px 28px}
.km-account-card h1,.km-account-card h2,.km-account-card h3{text-align:start;color:var(--text-strong);
  font-weight:700;margin:0 0 16px;border:none;padding:0}
.km-account-card h1{font-size:1.4rem}
.km-account-card h2,.km-account-card h3{font-size:1.15rem;font-weight:600}
.km-account-card hr{display:block;border:none;border-top:1px solid var(--border);margin:20px 0}

/* ----- Language menu (native <details>, no JS) ----- */
.km-langmenu{position:relative}
.km-langmenu>summary{list-style:none;cursor:pointer}
.km-langmenu>summary::-webkit-details-marker{display:none}
.km-langmenu__list{position:absolute;top:calc(100% + 6px);inset-inline-end:0;background:var(--surface-2);
  border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:6px;display:flex;flex-direction:column;
  gap:2px;min-width:150px;z-index:200;box-shadow:var(--shadow-2)}
.km-langmenu__list a{padding:8px 12px;border-radius:6px;font-size:13.5px;color:var(--text-muted)}
.km-langmenu__list a:hover{background:var(--surface-3);color:var(--text-strong)}
.km-langmenu__list a.active{color:var(--accent);font-weight:600}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}
