/* =================== Utilities =================== */
.hidden{ display:none !important; }
.sr-only{ position:absolute !important; width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0; }

/* =================== Theme Tokens =================== */
:root{
  --bg-1:#0a0b1a; --bg-2:#11122a;

  --accent:#7c3aed;        /* violet */
  --accent-2:#06b6d4;      /* cyan */
  --accent-3:#ef2db8;      /* pink */

  --surface:rgba(255,255,255,.06);
  --surface-strong:rgba(255,255,255,.12);

  --ink:#e6ebff;
  --ink-soft:#b9c1ff;
  --muted:#95a0d6;

  --ring:rgba(255,255,255,.18);
  --ring-strong:rgba(255,255,255,.28);

  --shadow-s: 0 8px 24px rgba(0,0,0,.35);
  --shadow:   0 22px 60px rgba(0,0,0,.45);

  --ok:#22d3ee;
  --warn:#fb7185;
}

/* =================== Stage =================== */
html,body{height:100%}
body{margin:0;font-family:"Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;color:var(--ink);background:linear-gradient(180deg, var(--bg-1), var(--bg-2));-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;}

#psm_app{
  min-height:100vh;
  padding:40px 10px;
  color:var(--ink);
  background:
    radial-gradient(900px 520px at 20% -10%, rgba(239,45,184,.20), transparent 60%),
    radial-gradient(900px 520px at 90% 0%, rgba(6,182,212,.18), transparent 55%),
    radial-gradient(1200px 700px at 40% 110%, rgba(124,58,237,.16), transparent 60%);
  overflow-x:hidden;
}

/* =================== Start Screen =================== */
.startScreen{display:flex;flex-direction:column;align-items:center;gap:12px;max-width:1100px;margin:6px auto 14px;}
.startScreen h1{margin:0;font-size:clamp(2.2rem,6vw,3.2rem);font-weight:900;color:#fff;text-shadow:0 6px 18px rgba(124,58,237,.25);}
.start_screen_img{width:min(900px,96vw);border-radius:22px;border:1px solid var(--ring);box-shadow:var(--shadow),0 0 0 1px rgba(255,255,255,.05) inset;}
.start_btn{padding:16px 64px;border:0;border-radius:16px;font-weight:900;color:#0b0b16;background:linear-gradient(90deg,var(--accent),var(--accent-3));cursor:pointer;box-shadow:0 14px 40px rgba(239,45,184,.35);transition:transform .08s ease,filter .18s ease,box-shadow .18s ease;font-size:clamp(1.2rem,3.6vw,2rem);}
.start_btn:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 18px 52px rgba(239,45,184,.5);}
.start_btn:active{transform:translateY(0);}

/* =================== Selection UI =================== */
.skill-selection-screen{display:flex;justify-content:center;}
.skill-wrap{width:100%;max-width:1100px;display:grid;gap:14px;}
.bar{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center;}
.search{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--ring);border-radius:14px;padding:10px 12px;box-shadow:var(--shadow-s);backdrop-filter:blur(10px);}
.search input{appearance:none;border:0;outline:0;width:100%;font-size:1rem;color:#fff;background:transparent;}
.search svg{color:#c9d2ff;opacity:.75;}
.tabs{display:flex;gap:8px;}
.tab{background:var(--surface);color:#fff;border:1px solid var(--ring);border-radius:12px;padding:.55rem .9rem;font-weight:800;cursor:pointer;transition:transform .08s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;backdrop-filter:blur(8px);}
.tab:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(124,58,237,.25);}
.tab.is-active{color:#0b0b16;border-color:transparent;background:linear-gradient(90deg,var(--accent) 0%,var(--accent-3) 100%);box-shadow:0 14px 40px rgba(124,58,237,.45);}
.sort select{background:var(--surface);color:#fff;border:1px solid var(--ring);border-radius:12px;padding:.55rem .8rem;font-weight:700;cursor:pointer;}

.layout{display:grid;grid-template-columns:280px 1fr;gap:16px;}
.filters{background:var(--surface);color:#fff;border:1px solid var(--ring);border-radius:16px;padding:14px;box-shadow:var(--shadow-s);backdrop-filter:blur(10px);}
.filters h4{margin:4px 0 8px;font-size:.95rem;font-weight:900;}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chips.compact .chip{padding:.42rem .7rem;}
.chip{background:rgba(255,255,255,.08);color:#f5f7ff;border:1px solid var(--ring);border-radius:999px;padding:.5rem .8rem;font-weight:800;cursor:pointer;transition:transform .08s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;}
.chip:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(6,182,212,.25);}
.chip.active,.chip[aria-pressed="true"]{background:linear-gradient(90deg,var(--accent),var(--accent-3));color:#fff;border-color:transparent;box-shadow:0 14px 40px rgba(124,58,237,.35);}
.clear-btn{margin-top:12px;width:100%;padding:.6rem .9rem;background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#0b0b16;border:none;border-radius:12px;font-weight:900;cursor:pointer;box-shadow:0 12px 34px rgba(6,182,212,.35);}

.results .count{color:#cfd6ff;font-weight:800;margin:6px 0 2px;}

.card-grid{display:grid;grid-template-columns:repeat(2,minmax(280px,1fr));gap:14px;margin-top:6px;}
.topic-card{background:var(--surface);color:#fff;border:1px solid var(--ring);border-radius:16px;padding:14px;box-shadow:var(--shadow-s);display:flex;flex-direction:column;gap:8px;transition:transform .1s ease,box-shadow .18s ease,border-color .18s ease;backdrop-filter:blur(10px);}
.topic-card:hover{transform:translateY(-2px);box-shadow:0 18px 50px rgba(239,45,184,.35);border-color:var(--ring-strong);}
.topic-head{display:flex;gap:10px;align-items:center;}
.topic-head .icon{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:rgba(255,255,255,.08);font-size:1.1rem;border:1px solid var(--ring);color:#fff;}
.topic-head h3{margin:0;font-size:1.05rem;font-weight:900;color:#fff;}
.topic-head small{color:var(--muted);font-weight:700;}
.topic-grades{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px;}
.mini-pill{background:rgba(255,255,255,.08);color:#f5f7ff;border:1px solid var(--ring);border-radius:999px;padding:.42rem .7rem;font-weight:900;cursor:pointer;transition:transform .08s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;}
.mini-pill:hover{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#0b0b16;border-color:transparent;box-shadow:0 12px 34px rgba(124,58,237,.35);}

.grade-grid{display:block;margin-top:8px;}
.grade-section{background:var(--surface);border:1px solid var(--ring);border-radius:16px;padding:12px 14px;box-shadow:var(--shadow-s);backdrop-filter:blur(10px);margin-bottom:12px;color:#fff;}
.grade-section h3{margin:.15rem 0 8px;font-weight:900;color:#fff;}
.grade-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px dashed var(--ring-strong);}
.grade-row:first-of-type{border-top:none;}
.row-actions .mini-pill{padding:.38rem .65rem;}
.topic-desc{margin-top:6px;color:var(--ink-soft);font-weight:700;font-size:.72rem;line-height:1.35;letter-spacing:.01em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-shadow:0 1px 8px rgba(0,0,0,.25);}

/* =================== Question Screen =================== */
.qs{width:100%;max-width:1100px;margin:22px auto 28px;display:flex;flex-direction:column;gap:18px;min-height:60vh;}
.qs-head{display:flex;align-items:center;gap:12px;padding:2px 2px;}
.qs-badge{display:inline-flex;align-items:center;gap:.45rem;padding:.5rem .9rem;border-radius:999px;font-weight:900;color:#0b0b16;background:linear-gradient(90deg,var(--accent),var(--accent-3));box-shadow:0 12px 32px rgba(239,45,184,.35);}
.qs-spacer{flex:1;}
.qs-progress{width:min(280px,34vw);height:10px;border-radius:999px;background:rgba(255,255,255,.1);outline:1px solid var(--ring);overflow:hidden;box-shadow:inset 0 2px 8px rgba(0,0,0,.5);}
.qs-progress__bar{height:100%;width:0%;background:linear-gradient(90deg,var(--accent),var(--accent-2));box-shadow:0 0 14px rgba(124,58,237,.6),0 0 24px rgba(6,182,212,.5);transition:width .35s ease;}

.qs-card{background:var(--surface-strong);color:#fff;border:1px solid var(--ring);border-radius:20px;box-shadow:var(--shadow);padding:24px;backdrop-filter:blur(14px);}
.qs-card p{margin:0 0 .7rem;font-weight:900;font-size:clamp(1.3rem,4vw,2.2rem);line-height:1.3;color:#fff;text-shadow:0 4px 14px rgba(0,0,0,.35);}
.qs-card ul{margin:.25rem 0 1rem;padding-left:1.15rem;list-style:none;}
.qs-card ul li{position:relative;margin:.25rem 0;padding-left:.4rem;font-weight:700;font-size:clamp(1.1rem,3.2vw,2rem);line-height:1.35;color:#e9ecff;}
.qs-card ul li::before{content:"•";position:absolute;left:-1.05rem;top:0;color:var(--accent-2);font-weight:900;text-shadow:0 0 12px rgba(6,182,212,.6);}

.qs-options{display:flex;flex-direction:column;}
.qs-options .option-button{appearance:none;border:1px solid var(--ring);background:rgba(255,255,255,.08);color:#fff;padding:16px 18px;border-radius:16px;font-weight:900;text-align:left;font-size:clamp(1rem,2.8vw,1.5rem);margin-top:14px;cursor:pointer;box-shadow:var(--shadow-s);backdrop-filter:blur(10px);transition:transform .08s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease,background .18s ease,opacity .18s ease;}
.qs-options .option-button:hover{transform:translateY(-2px);border-color:transparent;color:#0b0b16;background:linear-gradient(90deg,var(--accent),var(--accent-2));box-shadow:0 16px 44px rgba(6,182,212,.4),0 0 0 1px rgba(255,255,255,.06) inset;}
.qs-options .option-button:focus-visible{outline:3px solid rgba(124,58,237,.45);outline-offset:2px;}
.qs-options .option-button:disabled{opacity:.78;cursor:not-allowed;}
.qs-options .option-button.is-correct{border-color:rgba(34,211,238,.8);box-shadow:0 14px 40px rgba(34,211,238,.45),0 0 20px rgba(34,211,238,.5);position:relative;}
.qs-options .option-button.is-correct::after{content:"✓";position:absolute;right:14px;top:50%;transform:translateY(-50%);font-weight:900;color:var(--ok);text-shadow:0 0 12px rgba(34,211,238,.9);}
.qs-options .option-button.is-wrong{border-color:rgba(251,113,133,.9);box-shadow:0 12px 34px rgba(251,113,133,.4),0 0 20px rgba(251,113,133,.45);position:relative;animation:shake .25s linear 2;}
.qs-options .option-button.is-wrong::after{content:"✗";position:absolute;right:14px;top:50%;transform:translateY(-50%);font-weight:900;color:var(--warn);text-shadow:0 0 10px rgba(251,113,133,.9);}
@keyframes shake{0%{transform:translateX(0)}25%{transform:translateX(-4px)}50%{transform:translateX(3px)}75%{transform:translateX(-2px)}100%{transform:translateX(0)}}

/* =================== Correct Screen =================== */
#correctScreen{width:100%;max-width:1100px;margin:12px auto 0;display:flex;flex-direction:column;align-items:center;gap:14px;background:var(--surface-strong);border:1px solid var(--ring);border-radius:20px;padding:20px;box-shadow:var(--shadow);color:#fff;backdrop-filter:blur(12px);}
#correctScreen .correct_text{color:#b0faff;font-weight:900;font-size:clamp(1.6rem,4.8vw,3rem);text-shadow:0 0 16px rgba(34,211,238,.6);}
.correct_gif{width:min(40rem,92vw) !important;border-radius:14px;box-shadow:var(--shadow);}
#correctScreen .next-question-btn{margin-top:6px;font-size:1rem;font-weight:900;padding:.75rem 1.3rem;background:linear-gradient(90deg,var(--accent),var(--accent-3));color:#0b0b16;border:none;border-radius:12px;cursor:pointer;box-shadow:0 12px 34px rgba(239,45,184,.4);}

/* =================== Winner & Game Over =================== */
.choose-winner-screen{width:100%;max-width:1100px;margin:14px auto 0;background:var(--surface-strong);border:1px solid var(--ring);border-radius:20px;padding:18px;box-shadow:var(--shadow);color:#fff;backdrop-filter:blur(10px);}
.choose-winner-screen p{font-size:1.1rem;color:#e9ecff;text-align:center;font-weight:800;}
.winner-options{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));}
.winner-options img{width:100%;height:220px;object-fit:cover;border-radius:16px;border:1px solid var(--ring);box-shadow:var(--shadow-s);transition:transform .12s ease,box-shadow .2s ease,border-color .18s ease;cursor:pointer;background:rgba(255,255,255,.08);}
.winner-options img:hover{transform:translateY(-2px);box-shadow:0 16px 44px rgba(124,58,237,.35);border-color:var(--ring-strong);}

#gameOverScreen{width:100%;max-width:1100px;margin:16px auto 0;background:var(--surface-strong);border:1px solid var(--ring);border-radius:20px;padding:22px;color:#fff;box-shadow:var(--shadow);text-align:center;backdrop-filter:blur(10px);}
.game_over_full{display:flex;flex-direction:column;align-items:center;gap:10px;}
.winner-gif,#gameOverGif{width:min(540px,92vw);border-radius:16px;border:1px solid var(--ring);box-shadow:var(--shadow);}
.play-again-btn{margin-top:8px;font-size:1rem;font-weight:900;padding:.85rem 1.4rem;background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#0b0b16;border:none;border-radius:12px;cursor:pointer;box-shadow:0 14px 40px rgba(6,182,212,.45);}

.rating{
  font-size: 3rem;
  font-weight: 700;
}

 input{
  font-size: 3rem;
  font-weight: 700 ;
}
/* =================== Modal (Submit Results) =================== */
.rr-modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(10,11,26,.6);backdrop-filter:blur(4px);z-index:9999;}
.rr-modal.show{display:flex;}
.rr-modal[aria-hidden="true"]{display:none;}
.rr-modal-card{width:min(560px,92vw);background:var(--surface-strong);color:#fff;border:1px solid var(--ring);border-radius:16px;box-shadow:var(--shadow);padding:18px;}
.rr-modal .modal-actions{margin-top:12px;display:flex;gap:10px;justify-content:flex-end;}
.btn-primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#0b0b16;border:0;border-radius:10px;font-weight:900;padding:.6rem 1rem;cursor:pointer;}
.btn-ghost{background:transparent;color:#fff;border:1px solid var(--ring);border-radius:10px;padding:.6rem 1rem;cursor:pointer;}
.input,.textarea{width:100%;padding:.6rem .7rem;border-radius:10px;border:1px solid var(--ring);background:rgba(255,255,255,.08);color:#fff;margin:.35rem 0 .8rem;}
.label{font-weight:800;}
.muted{color:var(--ink-soft);font-weight:700;font-size:.9rem}

/* =================== Responsive =================== */
@media (max-width:1200px){.layout{grid-template-columns:260px 1fr}.card-grid{grid-template-columns:repeat(2,minmax(260px,1fr))}}
@media (max-width:900px){.layout{grid-template-columns:1fr}.card-grid{grid-template-columns:1fr}.bar{grid-template-columns:1fr;gap:8px}.qs{gap:14px}.winner-options{grid-template-columns:repeat(3,1fr)}}
@media (max-width:680px){#psm_app{padding:12px 12px 48px}.start_btn{font-size:1.25rem;padding:12px 28px}.qs-progress{width:54vw}.qs-card{padding:16px}.qs-card p{font-size:clamp(1.1rem,4.2vw,1.6rem)}.qs-card ul li{font-size:clamp(1rem,3.8vw,1.25rem)}.qs-options .option-button{font-size:clamp(1rem,3.6vw,1.15rem);padding:14px;border-radius:14px}.winner-options{grid-template-columns:repeat(2,1fr)}.correct_gif{width:min(92vw,22rem) !important}}
@media (max-width:480px){.startScreen{gap:10px}.search{padding:8px 10px}.chip{padding:.45rem .65rem}.qs-card{padding:14px}.qs-card p{margin-top:8px}.qs-options .option-button{margin-top:10px}.winner-options img{height:160px}}
@media (prefers-reduced-motion: reduce){*{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}.qs-options .option-button:hover{transform:none}}