:root{
  --ink:#12161A; --ink-2:#4A535A; --paper:#F5F6F3; --line:#DCDFD9;
  --brand:#559479; --brand-dark:#3F7A60; --red:#C4453A;
  --sans:'Manrope',Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--ink);font-family:var(--sans)}

.login{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px}
.card{background:var(--paper);border-radius:16px;padding:48px 44px;width:min(420px,100%);
  display:flex;flex-direction:column;gap:14px;text-align:center;
  box-shadow:0 24px 60px rgba(0,0,0,.45)}
.logo{margin:0 auto 4px}
.card h1{font-size:26px;font-weight:800;color:var(--ink);margin:0}
.hint{color:var(--ink-2);font-size:15px;margin:0 0 10px}
#password{font:inherit;font-size:16px;padding:13px 16px;border:1px solid var(--line);
  border-radius:10px;background:#fff;color:var(--ink);outline:none;width:100%}
#password:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(85,148,121,.25)}
#submit{font:inherit;font-size:16px;font-weight:700;padding:13px 16px;border:0;
  border-radius:10px;background:var(--brand);color:#fff;cursor:pointer}
#submit:hover{background:var(--brand-dark)}
#submit[disabled]{opacity:.6;cursor:wait}
.error{color:var(--red);font-size:14px;margin:0;min-height:1em}

.card.shake{animation:shake .35s}
@keyframes shake{
  10%,90%{transform:translateX(-2px)} 20%,80%{transform:translateX(4px)}
  30%,50%,70%{transform:translateX(-7px)} 40%,60%{transform:translateX(7px)}
}

/* Player: full viewport, but never squeeze the deck below 960x540 — scroll instead. */
.player{position:fixed;inset:0;overflow:auto;background:#000}
.stage-scroll{width:100%;height:100%;min-width:960px;min-height:540px}
#deck-frame{display:block;width:100%;height:100%;border:0}
[hidden]{display:none !important}