/* ═══════════════════════════════════════════════════
   BASE — Variáveis, reset global, componentes compartilhados
═══════════════════════════════════════════════════ */

:root {
  --bg:#0b0b0d; --s1:#111116; --s2:#18181f;
  --bd:#2a2a35; --gold:#c8a96e; --gold2:#e8c98e;
  --red:#e05555; --green:#4caf7d; --text:#e8e8f0;
  --t2:#9090a8; --t3:#5a5a72; --r:10px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;overflow:hidden;background:#050507}
*::-webkit-scrollbar{width:0;height:0;background:transparent}
*::-webkit-scrollbar-thumb{background:transparent}
*{scrollbar-width:none;-ms-overflow-style:none}
body{font-family:'Barlow',sans-serif;color:var(--text);display:flex;justify-content:center}

/* ── SCREENS ── */
.scr{
  display:none;flex-direction:column;
  width:100%;max-width:460px;height:100dvh;
  overflow:hidden;background:var(--bg);
  position:relative;
}
.scr.on{display:flex;animation:fi .25s ease}
@keyframes fi{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ── SCANLINES ── */
body::after{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:9999;
  background:repeating-linear-gradient(0deg,transparent,transparent 3px,rgba(0,0,0,.04) 3px,rgba(0,0,0,.04) 4px);
}

/* ── BUTTONS ── */
button{cursor:pointer;border:none;font-family:'Barlow',sans-serif;transition:all .15s;user-select:none}
button:active{transform:scale(.96)}
.btn{width:100%;padding:16px;border-radius:var(--r);font-size:1rem;font-weight:700;letter-spacing:1px}
.btn-gold{background:var(--gold);color:#0b0b0d}
.btn-gold:hover{background:var(--gold2)}
.btn-ghost{background:transparent;color:var(--t2);border:1px solid var(--bd)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-green{background:var(--green);color:#fff}
.btn-dim{background:var(--s1);color:var(--text);border:1px solid var(--bd)}
.btn-back{background:transparent;color:var(--t3);font-size:1.1rem;padding:6px;border-radius:6px;border:none;flex-shrink:0}
.btn-back:hover{color:var(--text)}
.btn-back2{background:transparent;color:var(--t3);font-size:1.2rem;padding:6px;border-radius:6px;border:none;cursor:pointer;transition:color .2s}
.btn-back2:hover{color:var(--text)}

/* ── HEARTS ── */
.hearts{display:flex;gap:3px}
.hrt{font-size:.95rem;transition:all .3s}
.hrt.off{filter:grayscale(1);opacity:.3}
.hrt-inf{font-size:1.4rem;color:#c8a96e;font-family:'Bebas Neue',cursive;font-weight:700}

/* ── XP FLASH ── */
.xpflash{
  position:fixed;top:40%;left:50%;transform:translate(-50%,-50%);
  font-family:'Bebas Neue',cursive;font-size:3rem;color:var(--gold);
  pointer-events:none;z-index:9998;opacity:0;
  animation:xpp .85s ease forwards;
}
@keyframes xpp{0%{opacity:0;transform:translate(-50%,-40%)}30%{opacity:1;transform:translate(-50%,-60%)}100%{opacity:0;transform:translate(-50%,-90%)}}

/* ── COMBO BANNER ── */
.combo-banner{
  position:fixed;top:22%;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,#1a1408ee,#2c1e06ee);
  border:2px solid var(--gold);border-radius:12px;
  padding:14px 32px;display:flex;align-items:center;gap:12px;
  pointer-events:none;z-index:9999;white-space:nowrap;
  box-shadow:0 0 32px #c8a96e55;
  animation:combo-anim 1.9s cubic-bezier(.175,.885,.32,1.275) forwards;
}
.combo-ico{font-size:2.2rem}
.combo-txt{font-family:'Bebas Neue',cursive;font-size:1.9rem;color:var(--gold);letter-spacing:3px}
@keyframes combo-anim{
  0%  {opacity:0;transform:translateX(-50%) scale(.4)}
  18% {opacity:1;transform:translateX(-50%) scale(1.12)}
  30% {transform:translateX(-50%) scale(1)}
  70% {opacity:1;transform:translateX(-50%) scale(1)}
  100%{opacity:0;transform:translateX(-50%) scale(.85)}
}

/* ── CONFETTI ── */
.confetti-piece{
  position:fixed;top:-12px;border-radius:2px;
  pointer-events:none;z-index:9999;
  animation:confetti-fall linear forwards;
}
@keyframes confetti-fall{
  0%  {transform:translateY(0) rotate(0deg);opacity:1}
  80% {opacity:1}
  100%{transform:translateY(105vh) rotate(720deg);opacity:0}
}

/* ── INPUTS & FORMS ── */
input{width:100%;background:var(--s2);border:1.5px solid var(--bd);border-radius:var(--r);padding:14px 16px;color:var(--text);font-family:'Barlow',sans-serif;font-size:.95rem;outline:none;transition:border-color .2s;}
input:focus{border-color:var(--gold)}
input::placeholder{color:var(--t3)}
input.err{border-color:var(--red)}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-label{font-family:'Share Tech Mono',monospace;font-size:.58rem;color:var(--t3);letter-spacing:3px}
.form-err{font-size:.72rem;color:var(--red);min-height:16px;font-family:'Share Tech Mono',monospace}

/* ── LESSON CHECK BUTTON ── */
.btn-check{width:100%;padding:16px;border-radius:var(--r);font-size:1rem;font-weight:700;letter-spacing:1px;background:var(--gold);color:#0b0b0d}
.btn-check:disabled{opacity:.35;cursor:not-allowed;transform:none}
.btn-check.cont{background:var(--green);color:#fff}
.btn-check.cont-bad{background:var(--s1);color:var(--text);border:1px solid var(--bd)}

/* ── MODAL ── */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.87);display:none;align-items:center;justify-content:center;z-index:1000;padding:24px}
.modal.on{display:flex;animation:fi .25s ease}
.mbox{background:var(--s1);border:1px solid var(--bd);border-radius:14px;padding:28px 24px;text-align:center;width:100%;max-width:340px}
.mbox h2{font-family:'Bebas Neue',cursive;font-size:2rem;color:var(--red);letter-spacing:2px;margin-bottom:8px}
.mbox p{font-size:.8rem;color:var(--t2);line-height:1.65;margin-bottom:18px}
.mbox .mt{font-family:'Share Tech Mono',monospace;font-size:2rem;color:var(--gold);margin-bottom:18px}
.mbox-btns{display:flex;flex-direction:column;gap:10px}

/* ── SAFE AREA ── */
@supports(padding-bottom:env(safe-area-inset-bottom)){
  .ls-ftr{padding-bottom:calc(24px + env(safe-area-inset-bottom))}
}

/* ── TOAST ── */
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:var(--s1);border:1px solid var(--bd);border-radius:50px;padding:10px 20px;font-family:'Share Tech Mono',monospace;font-size:.72rem;letter-spacing:2px;white-space:nowrap;z-index:9997;opacity:0;transition:opacity .3s;pointer-events:none}
.toast.show{opacity:1}
.toast.ok{border-color:var(--green);color:var(--green)}
.toast.err{border-color:var(--red);color:var(--red)}
.toast.info{border-color:var(--gold);color:var(--gold)}

/* ── LOADING ── */
.loading{position:fixed;inset:0;background:rgba(11,11,13,.92);display:none;align-items:center;justify-content:center;flex-direction:column;gap:14px;z-index:9998}
.loading.on{display:flex;animation:fi .2s ease}
.loading .sp{font-size:2rem;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading p{font-family:'Share Tech Mono',monospace;font-size:.62rem;color:var(--t2);letter-spacing:3px}

/* ── SCROLLABLE HELPER ── */
.scrollable{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}

/* ── ACHIEVEMENT BANNER ── */
.ach-banner{
  position:fixed;top:-80px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,#12100aee,#1e1a08ee);
  border:2px solid var(--gold);border-radius:12px;
  padding:12px 20px;display:flex;align-items:center;gap:14px;
  pointer-events:none;z-index:9999;white-space:nowrap;
  box-shadow:0 0 28px #c8a96e44;
  transition:top .4s cubic-bezier(.175,.885,.32,1.275), opacity .4s;
  opacity:0;
}
.ach-banner.show{top:24px;opacity:1}
.ach-banner-ico{font-size:2rem}
.ach-banner-label{font-family:'Share Tech Mono',monospace;font-size:.55rem;color:var(--gold);letter-spacing:3px;opacity:.8}
.ach-banner-name{font-family:'Bebas Neue',cursive;font-size:1.4rem;color:var(--gold);letter-spacing:2px}

/* ── ACHIEVEMENTS SCREEN ── */
.ac-topbar{padding:14px 20px 8px;border-bottom:1px solid var(--bd)}
.ac-topbar-lbl{font-family:'Share Tech Mono',monospace;font-size:.58rem;color:var(--t3);letter-spacing:3px;margin-bottom:4px}
.ac-topbar-count{font-family:'Bebas Neue',cursive;font-size:1.4rem;color:var(--gold)}
.ac-section-title{font-family:'Share Tech Mono',monospace;font-size:.6rem;color:var(--t3);letter-spacing:3px;padding:16px 20px 8px}
.ac-list{padding:0 16px 32px}
.ac-item{display:flex;align-items:center;gap:14px;padding:14px 16px;background:var(--s1);border:1px solid var(--bd);border-radius:var(--r);margin-bottom:8px}
.ac-item.unlocked{border-color:rgba(200,169,110,.35);background:rgba(200,169,110,.06)}
.ac-item.locked{opacity:.5}
.ac-ico{font-size:1.8rem;flex-shrink:0;width:2.4rem;text-align:center}
.ac-info{flex:1;min-width:0}
.ac-name{font-weight:700;font-size:.9rem;color:var(--text)}
.ac-name-lock{color:var(--t2)}
.ac-desc{font-size:.72rem;color:var(--t2);margin-top:2px;font-family:'Share Tech Mono',monospace}
.ac-check{font-size:1.1rem;color:var(--green);font-weight:700;flex-shrink:0}

/* ── RANKING ── */
.rk-sub{padding:8px 20px 4px;color:var(--t3);font-family:'Share Tech Mono',monospace;font-size:.72rem;letter-spacing:2px}
.rk-list{padding:0 16px 24px;display:flex;flex-direction:column;gap:8px}
.rk-row{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--s1);border-radius:var(--r);border:1px solid var(--bd)}
.rk-row.rk-me{border-color:var(--gold);background:rgba(200,169,110,.07)}
.rk-pos{font-family:'Bebas Neue',cursive;font-size:1.3rem;min-width:34px;text-align:center;color:var(--t3)}
.rk-info{flex:1;min-width:0}
.rk-name{font-weight:700;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rk-you{font-size:.6rem;background:var(--gold);color:#000;border-radius:4px;padding:1px 5px;margin-left:6px;font-family:'Share Tech Mono',monospace;vertical-align:middle}
.rk-meta{font-size:.72rem;color:var(--t2);margin-top:2px;font-family:'Share Tech Mono',monospace}
.rk-xp{font-family:'Bebas Neue',cursive;font-size:1.1rem;color:var(--gold);white-space:nowrap}
.rk-empty,.rk-loading{text-align:center;padding:48px 20px;color:var(--t3);font-family:'Share Tech Mono',monospace;font-size:.75rem;letter-spacing:2px}