/* ============================================================
   iCRYPTOGRAMS — "THE CRYPTOGRAM CZAR"
   Design language: a paranoid state cipher bureau, circa never.
   Aged dossier paper, letterpress ink, wax-seal red, brass rules,
   redaction bars, rubber stamps, typewriter intercepts.
   No gradients. No indigo. No rounded SaaS cards. Hard edges only.
   ============================================================ */
:root{
  /* paper & ink */
  --paper:#e9e0cf;          /* aged manila dossier            */
  --paper-2:#f2ebdd;        /* lighter leaf                   */
  --paper-3:#ded2bb;        /* shadowed leaf / inset          */
  --ink:#17130f;            /* letterpress black (warm)       */
  --ink-2:#3d342a;          /* secondary ink                  */
  --muted:#6f6151;          /* faded pencil                   */
  --rule:#17130f;           /* hard rules are always ink      */

  /* the Czar's colors */
  --seal:#9e1b1b;           /* wax seal / stamp red           */
  --seal-d:#6f1010;
  --seal-soft:#f0d9d3;
  --brass:#b48a2f;          /* brass fittings / gold leaf     */
  --brass-d:#8a6a22;
  --good:#2f5d3f;           /* stamped APPROVED green         */
  --bad:#9e1b1b;

  /* physical shadow: letterpress offset, never a blur-blob */
  --press:4px 4px 0 var(--ink);
  --press-sm:3px 3px 0 var(--ink);
  --press-tight:2px 2px 0 var(--ink);

  --maxw:1120px;

  --display:'Archivo Black','Haettenschweiler','Arial Narrow',Impact,sans-serif;
  --stamp:'Special Elite','Courier New',monospace;
  --mono:'Courier Prime','Courier New',ui-monospace,monospace;
  --body:'Source Serif 4','Iowan Old Style',Georgia,'Times New Roman',serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  color:var(--ink);
  background-color:var(--paper);
  /* paper grain: layered noise, no image files */
  background-image:
    radial-gradient(circle at 17% 32%, rgba(23,19,15,.030) 0 1px, transparent 1px),
    radial-gradient(circle at 63% 71%, rgba(23,19,15,.026) 0 1px, transparent 1px),
    radial-gradient(circle at 88% 14%, rgba(23,19,15,.022) 0 1px, transparent 1px),
    radial-gradient(circle at 41% 89%, rgba(23,19,15,.020) 0 1px, transparent 1px);
  background-size:37px 37px,53px 53px,71px 71px,29px 29px;
  font-family:var(--body);
  font-size:17px;line-height:1.62;
  -webkit-font-smoothing:antialiased;
}

a{color:var(--seal);text-decoration:none;border-bottom:1.5px solid var(--seal-soft);transition:background .1s,color .1s}
a:hover{background:var(--seal);color:var(--paper-2);border-bottom-color:var(--seal);text-decoration:none}

h1,h2,h3{font-family:var(--display);line-height:1.02;margin:0 0 .45em;
  text-transform:uppercase;letter-spacing:-.005em;font-weight:400}
h1{font-size:clamp(2rem,6.2vw,3.5rem)}
h2{font-size:clamp(1.35rem,3.2vw,2rem)}
h3{font-size:1.15rem;letter-spacing:.02em}
img{max-width:100%}
b,strong{font-weight:700}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
main.container{padding-top:30px;padding-bottom:60px}

/* ---------------------------------------------- header: the ministry bar */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--ink);color:var(--paper);
  border-bottom:4px solid var(--brass);
}
.site-header .nav{display:flex;align-items:center;justify-content:space-between;
  gap:12px;min-height:62px;flex-wrap:wrap}

.brand{
  color:var(--paper);font-family:var(--display);text-transform:uppercase;
  font-size:1.3rem;letter-spacing:.01em;border:0;
  display:inline-flex;align-items:center;gap:9px;white-space:nowrap;
}
.brand:hover{background:transparent;color:var(--paper)}
/* the seal: a stamped monogram, not an emoji */
.brand::before{
  content:"IC";
  font-family:var(--display);font-size:.72rem;line-height:1;
  background:var(--seal);color:var(--paper-2);
  border:2px solid var(--paper-2);
  padding:6px 5px 5px;border-radius:50%;
  letter-spacing:.02em;
  transform:rotate(-9deg);
}

.nav-links{display:flex;gap:2px;flex-wrap:wrap}
.nav-links a{
  color:var(--paper);border:0;
  font-family:var(--stamp);font-size:.9rem;letter-spacing:.06em;
  text-transform:uppercase;padding:7px 11px;
  border-bottom:2px solid transparent;
}
.nav-links a:hover{background:var(--seal);color:var(--paper-2);border-bottom-color:var(--brass)}

/* ---------------------------------------------- buttons: physical keys */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  background:var(--paper-2);color:var(--ink);
  border:2.5px solid var(--ink);border-radius:0;
  padding:11px 20px;
  font:400 .95rem/1 var(--display);text-transform:uppercase;letter-spacing:.03em;
  cursor:pointer;box-shadow:var(--press-sm);
  transition:transform .05s ease,box-shadow .05s ease,background .1s;
}
.btn:hover{background:var(--brass);color:var(--ink);box-shadow:var(--press-sm)}
/* the key travels: shadow collapses, button moves into it */
.btn:active{transform:translate(3px,3px);box-shadow:0 0 0 var(--ink)}
.btn.secondary{background:var(--paper-2);color:var(--ink)}
.btn.secondary:hover{background:var(--paper-3)}
.btn.accent{background:var(--seal);color:var(--paper-2);border-color:var(--ink)}
.btn.accent:hover{background:var(--seal-d);color:var(--paper-2)}
.btn.block{display:flex;width:100%}
.btn.sm{padding:7px 12px;font-size:.8rem;box-shadow:var(--press-tight)}
.btn.sm:active{transform:translate(2px,2px)}
a.btn{border-bottom:2.5px solid var(--ink)}
a.btn:hover{border-bottom-color:var(--ink)}

/* ---------------------------------------------- hero: the proclamation */
.hero{
  position:relative;
  background:var(--paper-2);
  border:3px solid var(--ink);
  box-shadow:var(--press);
  padding:34px 26px 28px;
  margin-bottom:30px;
  text-align:left;
}
/* brass rule across the top of the proclamation */
.hero::before{
  content:"";position:absolute;top:8px;left:8px;right:8px;height:2px;
  background:repeating-linear-gradient(90deg,var(--brass) 0 14px,transparent 14px 20px);
}
/* the Czar's rubber stamp, slapped on at an angle */
.hero::after{
  content:"DECLASSIFIED";
  position:absolute;top:16px;right:-6px;
  font-family:var(--stamp);font-size:.82rem;letter-spacing:.16em;
  color:var(--seal);
  border:3px double var(--seal);
  padding:5px 12px;
  transform:rotate(7deg);
  opacity:.75;
  pointer-events:none;
}
.hero h1{margin-bottom:.25em;max-width:15ch}
.hero p.lead{color:var(--ink-2);font-size:1.16rem;max-width:60ch;margin:0 0 24px}
.lead{font-size:1.12rem}

.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:2px}

/* ---------------------------------------------- eyebrow / kicker */
.kicker{
  display:inline-block;font-family:var(--stamp);text-transform:uppercase;
  font-size:.76rem;letter-spacing:.22em;color:var(--seal);
  border-bottom:2px solid var(--brass);
  padding-bottom:3px;margin-bottom:14px;
}

/* ---------------------------------------------- cards: dossier leaves */
.grid{display:grid;gap:22px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}

.card{
  background:var(--paper-2);
  border:2.5px solid var(--ink);
  border-radius:0;
  box-shadow:var(--press-sm);
  padding:22px 22px 24px;
  position:relative;
}
.card h2,.card h3{margin-top:0}
/* section headings get a brass underline */
.card h2::after{
  content:"";display:block;width:52px;height:3px;background:var(--seal);margin-top:8px;
}
.prose p{margin:.75em 0}
.prose{max-width:68ch}
.muted{color:var(--muted)}

/* ---------------------------------------------- chips: file tabs */
.chip-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:9px}
.chip-list a{
  display:inline-block;
  background:var(--paper);color:var(--ink);
  border:2px solid var(--ink);
  box-shadow:var(--press-tight);
  padding:6px 13px;
  font-family:var(--stamp);font-size:.86rem;letter-spacing:.05em;
  text-transform:uppercase;
}
.chip-list a:hover{background:var(--brass);color:var(--ink);transform:translate(2px,2px);box-shadow:0 0 0}

/* ---------------------------------------------- the solver banner: an intercept */
.solver-banner{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:space-between;
  background:var(--ink);color:var(--paper);
  border:3px solid var(--ink);
  box-shadow:var(--press-sm);
  border-radius:0;
  padding:20px 24px;margin:26px 0;
  position:relative;overflow:hidden;
}
/* brass hazard stripe down the left edge */
.solver-banner::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:9px;
  background:repeating-linear-gradient(45deg,var(--brass) 0 6px,var(--ink) 6px 12px);
}
.solver-banner .t{font-family:var(--display);text-transform:uppercase;
  font-size:1.05rem;line-height:1.25;padding-left:12px;max-width:60ch}
.solver-banner .btn{background:var(--seal);color:var(--paper-2);border-color:var(--paper-2);
  box-shadow:3px 3px 0 var(--brass)}
.solver-banner .btn:hover{background:var(--paper-2);color:var(--ink);border-color:var(--paper-2)}
.solver-banner a{border-bottom:0}
.solver-banner .muted{color:var(--paper-3)}

/* ---------------------------------------------- THE PUZZLE ---------- */
.puzzle-head{text-align:center;margin-bottom:14px}
.puzzle-head h1{font-size:clamp(1.5rem,4vw,2.3rem);margin-bottom:.2em}
.puzzle-head .src{
  font-family:var(--stamp);text-transform:uppercase;letter-spacing:.1em;
  font-size:.82rem;color:var(--muted);
}
.puzzle-head .src strong{color:var(--seal)}

/* the intercept sheet the cipher is printed on */
.puzzle-card{
  background:var(--paper-2);
  border:3px solid var(--ink);
  box-shadow:var(--press);
  border-radius:0;
  padding:26px 20px 20px;
  margin:0 auto;max-width:840px;
  position:relative;
}
/* punched holes down the left margin — it came out of a file */
.puzzle-card::before{
  content:"";position:absolute;left:9px;top:0;bottom:0;width:8px;
  background-image:radial-gradient(circle,var(--paper-3) 0 3.5px,transparent 4px);
  background-size:8px 40px;background-repeat:repeat-y;
  opacity:.9;
}

#cryptogram{display:flex;flex-wrap:wrap;gap:4px 0;justify-content:center;
  padding:6px 4px 2px}
.word{display:inline-flex;margin:0 12px 18px 0}
.cell{display:flex;flex-direction:column;align-items:center;width:32px}

/* the tile: a letterpress slug you press a letter into */
.tile{
  width:32px;height:44px;
  text-align:center;
  font-family:var(--mono);font-size:22px;font-weight:700;
  color:var(--ink);
  border:2.5px solid var(--ink);
  border-radius:0;
  background:var(--paper);
  box-shadow:var(--press-tight);
  caret-color:var(--seal);
  text-transform:uppercase;
  transition:background .1s,box-shadow .06s,transform .06s;
}
.tile:hover{background:var(--paper-3)}
.tile:focus{
  outline:none;
  background:var(--brass);
  color:var(--ink);
  transform:translate(2px,2px);
  box-shadow:0 0 0 var(--ink);
}
/* a letter you've committed reads as struck ink */
.tile:not(:placeholder-shown){background:var(--paper-2)}

/* the ciphertext beneath: a typewritten intercept, monospace on purpose —
   fixed advance width is what makes letter patterns pop */
.cipher{
  width:32px;text-align:center;
  font-family:var(--mono);font-weight:700;font-size:.78rem;
  color:var(--seal);
  border:none;background:transparent;
  margin-top:5px;
  text-transform:uppercase;letter-spacing:.04em;
}
.sym{width:15px;text-align:center;color:var(--ink);font-weight:700;border:none;
  background:transparent;font-size:22px;font-family:var(--mono)}

.toolbar{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
  margin-top:20px;padding-top:18px;
  border-top:2px dashed var(--paper-3)}

/* ---------------------------------------------- on-screen keyboard */
.kbd{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:16px}
.kbd button{
  min-width:38px;height:44px;
  font-family:var(--mono);font-size:1rem;font-weight:700;
  background:var(--paper);color:var(--ink);
  border:2px solid var(--ink);border-radius:0;
  box-shadow:var(--press-tight);
  cursor:pointer;text-transform:uppercase;
  transition:transform .05s,box-shadow .05s,background .1s;
}
.kbd button:hover{background:var(--brass)}
.kbd button:active{transform:translate(2px,2px);box-shadow:0 0 0}

/* ---------------------------------------------- toast: a stamped verdict */
#toast{
  display:none;position:fixed;left:50%;bottom:28px;transform:translateX(-50%);
  background:var(--ink);color:var(--paper-2);
  border:2px solid var(--brass);
  box-shadow:5px 5px 0 rgba(23,19,15,.35);
  padding:13px 22px;z-index:200;
  font-family:var(--stamp);text-transform:uppercase;letter-spacing:.09em;font-size:.9rem;
}

/* ---------------------------------------------- stamps & redaction */
.stamp{
  display:inline-block;font-family:var(--stamp);text-transform:uppercase;
  letter-spacing:.14em;font-size:.8rem;color:var(--seal);
  border:3px double var(--seal);padding:4px 11px;
  transform:rotate(-4deg);opacity:.8;
}
.stamp.approved{color:var(--good);border-color:var(--good)}
/* a redaction bar you can lift — pure CSS payoff, used on the answers pages */
.redact{
  background:var(--ink);color:var(--ink);
  padding:1px 5px;cursor:pointer;
  border-radius:1px;
  transition:background .12s,color .12s;
  user-select:none;
}
.redact:hover,.redact:focus,.redact.open{background:transparent;color:var(--seal);outline:none}

/* ---------------------------------------------- tables: ledger stock */
.table-wrap{overflow-x:auto;border:2.5px solid var(--ink);box-shadow:var(--press-sm);
  background:var(--paper-2)}
table.tbl{width:100%;border-collapse:collapse;font-size:.94rem}
table.tbl th{
  background:var(--ink);color:var(--paper-2);
  font-family:var(--stamp);text-transform:uppercase;letter-spacing:.08em;
  font-size:.78rem;font-weight:400;
  text-align:left;padding:10px 12px;
}
table.tbl td{padding:9px 12px;border-bottom:1px solid var(--paper-3)}
table.tbl tr:nth-child(even) td{background:var(--paper)}

/* forms, pills, misc (admin) */
.form label{display:block;font-family:var(--stamp);text-transform:uppercase;
  font-size:.76rem;letter-spacing:.1em;color:var(--muted);margin:12px 0 5px}
.form input,.form select,.form textarea{
  width:100%;padding:10px 12px;
  border:2px solid var(--ink);border-radius:0;
  background:var(--paper-2);color:var(--ink);
  font-family:var(--mono);font-size:.95rem;
}
.form input:focus,.form select:focus,.form textarea:focus{
  outline:none;background:#fff;box-shadow:var(--press-tight)}
.pill{display:inline-block;padding:3px 10px;border:2px solid var(--ink);
  background:var(--paper);font-family:var(--stamp);font-size:.74rem;
  text-transform:uppercase;letter-spacing:.07em}
.pill.Accept{background:var(--good);color:var(--paper-2);border-color:var(--ink)}
.success{color:var(--good);font-weight:700}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.toolbar-admin{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.instructions{font-size:.95rem;color:var(--muted)}
#chart_div{background:var(--paper-2);border:2.5px solid var(--ink);box-shadow:var(--press-sm)}

/* worksheet (print) */
.ws-box{border:2px solid var(--ink);padding:16px;background:#fff}
.ws-word{display:inline-flex;margin:0 10px 14px 0}
.ws-cell{display:flex;flex-direction:column;align-items:center;width:30px}
.ws-code{font-family:var(--mono);font-size:.8rem;color:var(--muted);text-align:center}

/* ---------------------------------------------- footer: the colophon */
.site-footer{
  border-top:4px solid var(--brass);
  background:var(--ink);color:var(--paper-3);
  padding:26px 0;margin-top:50px;
  font-family:var(--stamp);font-size:.84rem;letter-spacing:.05em;
}
.site-footer a{color:var(--paper);border-bottom:1px solid var(--muted)}
.site-footer a:hover{background:var(--seal);color:var(--paper-2)}

/* ---------------------------------------------- responsive */
@media (max-width:820px){
  .grid.cols-3,.grid.cols-2{grid-template-columns:1fr}
  .hero{padding:26px 18px 22px}
  .hero::after{font-size:.7rem;top:10px;right:-4px}
  .solver-banner{padding:16px 18px}
  .solver-banner .t{font-size:.95rem}
}
@media (max-width:520px){
  body{font-size:16px}
  .site-header .nav{min-height:auto;padding:10px 0}
  .nav-links{gap:0}
  .nav-links a{padding:6px 8px;font-size:.8rem}
  /* tiles stay thumb-sized: playability beats density */
  .cell{width:29px}
  .tile{width:29px;height:42px;font-size:20px}
  .cipher{width:29px;font-size:.72rem}
  .word{margin:0 9px 15px 0}
  .puzzle-card{padding:20px 12px 16px}
  .puzzle-card::before{display:none}
  .toolbar .btn{flex:1 1 auto;padding:10px 12px;font-size:.82rem}
}

/* respect reduced motion + print */
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media print{
  .site-header,.site-footer,.toolbar,.kbd,.solver-banner,.noprint{display:none!important}
  body{background:#fff;background-image:none}
  .puzzle-card,.card{box-shadow:none;border:1px solid #000}
}

/* ---------------------------------------------- the Czar himself */
.czar{display:block;height:auto;max-width:100%}
.hero-split{display:grid;grid-template-columns:1fr 250px;gap:26px;align-items:center}
.hero-split .czar-wrap{display:flex;justify-content:center}
@media (max-width:820px){
  .hero-split{grid-template-columns:1fr}
  .hero-split .czar-wrap{order:-1}
  .czar{width:180px}
}

/* ---------------------------------------------- the court: icon-screen nav */
.court{margin:30px 0}
.court svg{display:block;width:100%;height:auto;
  background:var(--paper-2);border:3px solid var(--ink);box-shadow:var(--press)}
.icon-panel{cursor:pointer}
.icon-panel .ip-name{font-family:var(--body);font-size:13px;font-weight:700;
  fill:#e9c25c;letter-spacing:2px}
.icon-panel .ip-role{font-family:var(--body);font-size:12px;fill:var(--muted);letter-spacing:1px}
.icon-panel .ip-cipher{font-family:var(--mono);font-size:11px;font-weight:700;fill:var(--ink)}
/* the icon lifts and the halo blazes when the Czar's eye falls on it */
.icon-panel{transition:transform .12s ease}
.icon-panel:hover{transform:translateY(-5px)}
.icon-panel:hover .ip-name{fill:#fff}
.icon-panel:focus-visible{outline:3px solid var(--seal);outline-offset:2px}

/* ---------------------------------------------- score meter (replaces the Google gauge) */
.meter{margin:14px 0 6px;max-width:420px}
.meter-num{font-family:var(--display);font-size:2.6rem;line-height:1;color:var(--seal)}
.meter-num span{font-family:var(--stamp);font-size:.78rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);margin-left:8px;vertical-align:middle}
.meter-track{margin-top:10px;height:22px;background:var(--paper);
  border:2.5px solid var(--ink);box-shadow:var(--press-tight);overflow:hidden}
.meter-fill{height:100%;background:repeating-linear-gradient(45deg,
  var(--seal) 0 8px, var(--seal-d) 8px 16px);
  transition:width .9s cubic-bezier(.2,.8,.2,1)}
@media (prefers-reduced-motion:reduce){.meter-fill{transition:none}}