/* Číselná aréna / How to play — modern navy + gold, touch first. */
.tutorial-page{width:min(100% - 30px,1130px);margin:25px auto 55px;display:flex;flex-direction:column;gap:22px}
.tutorial-header-actions{display:flex;align-items:center;flex-wrap:wrap;gap:9px}
.tutorial-header-actions a{text-decoration:none;text-align:center}
.tutorial-hero{
  padding:clamp(20px,3.5vw,41px);
  border:1px solid #345779;border-radius:19px;
  background:radial-gradient(circle at 85% 5%,#23518075,transparent 48%),linear-gradient(150deg,#152e52,#091f3e);
  box-shadow:0 10px 27px #050d1b70;text-align:center;
}
.tutorial-hero .eyebrow{font-size:12px;letter-spacing:.14em;color:#f1c669;font-weight:800}
.tutorial-hero h1{color:#fff5dd;line-height:1.08;font-size:clamp(32px,5vw,59px);letter-spacing:-.045em;margin:8px 0 15px}
.tutorial-hero h1 span{color:#f4cb72}
.tutorial-hero>p:not(.eyebrow){max-width:760px;margin-inline:auto;font-size:clamp(13px,1.3vw,16px);color:#bdcde1;line-height:1.65}
.tutorial-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:23px}
.tutorial-nav a{
  color:#f2dc9f;text-decoration:none;font-weight:700;font-size:12px;
  border:1px solid #45658a;border-radius:9px;padding:10px 12px;background:#122c50;min-height:42px;
}
.tutorial-nav a:hover{border-color:#f5cb71;color:#fff0bd}
.tutorial-section{
  scroll-margin-top:16px;
  padding:clamp(17px,2.6vw,30px);
  border:1px solid #335474;border-radius:18px;
  background:linear-gradient(156deg,#173255,#0d233f);box-shadow:0 8px 28px #030a1861;
}
.tutorial-section-heading{display:flex;gap:15px;align-items:center;margin-bottom:18px;text-align:center}
.tutorial-section-heading>div{flex:1;min-width:0}
.tutorial-step-number{
  flex:0 0 48px;width:48px;height:48px;display:grid;place-items:center;
  color:#142943;font-size:18px;font-weight:900;background:linear-gradient(#ffe7ab,#e6b046);
  border:1px solid #ffebb8;border-radius:13px;
}
.tutorial-section-heading h2{margin:0 0 7px;color:#ffe2a5;font-size:clamp(20px,2.6vw,29px);letter-spacing:-.025em}
.tutorial-section-heading p{margin:0 auto;max-width:860px;color:#c3d2e4;font-size:13px;line-height:1.65}
.tutorial-demo{display:grid;grid-template-columns:minmax(290px,1fr) minmax(220px,.8fr);gap:25px;align-items:center}
.tutorial-demo-main{display:flex;flex-direction:column;align-items:center;gap:13px}
.tutorial-board{
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));grid-template-rows:repeat(5,minmax(0,1fr));
  width:min(100%,360px);aspect-ratio:1;
  border:4px solid #476b97;border-radius:13px;overflow:hidden;background:#152f53;
  box-shadow:0 8px 25px #010818b0;
}
.tutorial-demo-cell{
  padding:0;margin:0;background:#193659;color:#c8e3fa;
  border:1px solid #3f6086;display:grid;place-items:center;font-weight:850;font-size:clamp(13px,3vw,24px);
  text-shadow:none;min-width:0;min-height:0;
}
.tutorial-demo-cell:disabled{opacity:1;cursor:default}
.tutorial-demo-cell.tutorial-demo-center{background:#bee7f0;color:#19314b}
.tutorial-demo-cell.target{
  background:#205a49;color:#c4ffdc;border-color:#74edac;
  box-shadow:inset 0 0 0 3px #62d9a0;cursor:pointer;
}
.tutorial-demo-cell.placed{
  color:#142943;background:linear-gradient(148deg,#ffeeb9,#facb6a);border-color:#d6a64e;
  box-shadow:inset 0 1px 0 #fff8d5;
}
.tutorial-rack-area{display:flex;align-items:center;flex-direction:column;gap:7px}
.tutorial-rack-label{font-size:11px;letter-spacing:.1em;color:#abc0da;font-weight:800}
.tutorial-rack{display:flex;justify-content:center;gap:9px}
.tutorial-demo-tile{
  width:56px;height:59px;border-radius:11px;border:1px solid #f6df96;
  background:linear-gradient(155deg,#ffedb5,#eabb54);
  color:#142741;font-size:30px;font-weight:900;box-shadow:0 3px #a87925;
}
.tutorial-demo-tile.selected{background:linear-gradient(#b6f4d3,#59d79b);border-color:#77f2b5;color:#0c3a29}
.tutorial-demo-tile:disabled{background:#304b69;border-color:#455e7d;color:#8396ac;opacity:.5}
.tutorial-demo-guide{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.tutorial-counter{color:#f6ce73;font-weight:800;font-size:12px}
.tutorial-demo-guide h3{font-size:clamp(21px,2.2vw,28px);margin:0;color:#fff3d5}
.tutorial-demo-guide p{font-size:14px;line-height:1.7;color:#c7d7e8;margin:0}
.tutorial-demo-status{
  width:100%;padding:11px 13px;
  background:#113a31;border-left:3px solid #73e5ae;border-radius:10px;color:#c2f8db!important;
}
.tutorial-demo-status[data-error="true"]{background:#482a37;border-color:#e67f90;color:#ffcad0!important}
.tutorial-demo-score{
  display:flex;flex-direction:column;gap:6px;width:100%;
  padding:14px;background:#224c4b;border:1px solid #78d8a9;border-radius:11px;
}
.tutorial-demo-score strong{color:#b9ffda;font-size:21px}
.tutorial-demo-score span{color:#f2f8f2;line-height:1.5;font-size:13px}
.tutorial-demo-score b{color:#ffdb88}
.tutorial-demo-guide small{color:#93aac8;line-height:1.5}
.tutorial-equation-grid,.tutorial-control-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;
}
.tutorial-example,.tutorial-control-grid>div{
  display:flex;flex-direction:column;gap:10px;padding:16px;
  border-radius:13px;border:1px solid #3a587c;background:#102846;
}
.tutorial-stones{color:#ffe4a0;font-weight:900;font-size:19px;letter-spacing:.08em}
.tutorial-example strong{color:#eaf0fa;font-size:19px}
.tutorial-example small{font-size:11px;color:#9cb5d1}
.tutorial-control-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.tutorial-control-grid strong{color:#ffe0a0;font-size:15px}
.tutorial-control-grid p{margin:0;color:#bfcee1;font-size:13px;line-height:1.6}
.tutorial-notes{display:grid;gap:9px;margin-top:15px}
.tutorial-notes p{margin:0;font-size:13px;line-height:1.7;color:#c7d7e9;padding:11px 15px;border-left:3px solid #d9b060;background:#0e2848;border-radius:8px}
.tutorial-notes strong{color:#f6dc9f}
.tutorial-bonuses{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.tutorial-bonuses>div{display:flex;align-items:center;gap:13px;background:#102745;border:1px solid #375575;padding:14px;border-radius:12px}
.tutorial-bonus-chip{
  display:grid;place-items:center;flex:none;width:63px;height:63px;border-radius:10px;
  font-weight:900;font-size:20px;border:1px solid #8badcf;
}
.tutorial-bonus-chip.dd{background:#bb8e36;color:#182941;border-color:#e2b95b}
.tutorial-bonus-chip.td{background:#866326;color:#fff0ba;border-color:#c6a051}
.tutorial-bonus-chip.de{background:#2b6596;color:#ecf6ff;border-color:#6ca4d1}
.tutorial-bonus-chip.te{background:#244878;color:#e2efff;border-color:#4e81b9}
.tutorial-bonuses strong{color:#fce0a3}
.tutorial-bonuses p{margin:4px 0 0;color:#bbcee1;font-size:12px;line-height:1.55}
.tutorial-highlight{
  background:#0d2f4a;border:1px solid #9d823e;border-left:4px solid #e9ba51;
  padding:14px 17px;border-radius:11px;color:#dfe9f3;line-height:1.75;font-size:13px;margin:17px 0 0;
}
.tutorial-highlight strong{color:#ffdc8b}
.tutorial-finish{text-align:center;padding:27px;border:1px solid #b09147;border-radius:17px;background:linear-gradient(145deg,#193c62,#0d2443)}
.tutorial-finish h2{margin:0 0 8px;font-size:clamp(24px,3vw,32px);color:#f8d588}
.tutorial-finish p{margin:0 auto 18px;max-width:620px;color:#c4d4e6;line-height:1.7;font-size:13px}
.tutorial-finish .gold-button{text-decoration:none}
@media(max-width:850px){
  .tutorial-equation-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tutorial-demo{grid-template-columns:1fr}
}
@media(max-width:580px){
  .tutorial-header-actions{justify-content:center}
  .tutorial-page{width:calc(100% - 18px);margin:12px auto 30px;gap:12px}
  .tutorial-section{padding:14px}
  .tutorial-section-heading{gap:9px}
  .tutorial-step-number{width:39px;height:39px;flex-basis:39px;font-size:15px}
  .tutorial-bonuses,.tutorial-control-grid{grid-template-columns:1fr}
  .tutorial-bonuses>div{padding:11px}
  .tutorial-example,.tutorial-control-grid>div{padding:11px}
  .tutorial-board{max-width:320px}
  .tutorial-demo-tile{width:51px;height:53px}
  .tutorial-nav{gap:6px}
  .tutorial-nav a{font-size:11px;padding:9px}
}

/* Reuse the game's existing Běžná / Větší / Největší text preference.
   Long instructional paragraphs remain left-aligned for readability. */
.tutorial-hero>p:not(.eyebrow),
.tutorial-demo-guide p,
.tutorial-finish p{
  font-size:calc(15px * var(--arena-game-text-scale));
}
.tutorial-nav a,
.tutorial-section-heading p,
.tutorial-control-grid p,
.tutorial-notes p,
.tutorial-bonuses p,
.tutorial-highlight,
.tutorial-demo-score span{
  font-size:calc(14px * var(--arena-game-text-scale));
}
.tutorial-example small,
.tutorial-rack-label,
.tutorial-counter,
.tutorial-demo-guide small{
  font-size:calc(13px * var(--arena-game-text-scale));
}
.tutorial-example strong,
.tutorial-control-grid strong,
.tutorial-bonuses strong{
  font-size:calc(16px * var(--arena-game-text-scale));
}
.arena-tutorial .tutorial-header-actions a,
.arena-tutorial .lobby-footer{
  font-size:calc(13px * var(--arena-game-text-scale));
}
.arena-tutorial .lobby-footer a{
  display:inline-flex;align-items:center;min-height:44px;padding:8px 12px;
}
.tutorial-nav a{display:inline-flex;align-items:center;justify-content:center;min-height:44px}