/* ═══════════════════════════════════════
   screens.css — Per-screen styles
═══════════════════════════════════════ */

/* ══ WELCOME ══ */
#screen-welcome {
  align-items: center; justify-content: center;
  padding: 48px 28px; gap: 28px; text-align: center;
}
.welcome-logo  { font-size:90px; animation:logo-float 3s ease-in-out infinite; display:block; }
.welcome-title {
  font-family: 'Fredoka One', cursive; font-size: 48px; line-height: 1.05;
  color: #fff; text-shadow: 0 4px 24px rgba(0,0,0,.6);
}
.welcome-title em { color: var(--accent-l); font-style: normal; }
.welcome-sub  { color:rgba(255,255,255,.6); font-size:16px; font-weight:600; margin-top:-14px; }
.welcome-ctas { display:flex; flex-direction:column; gap:12px; width:100%; max-width:320px; }

/* ══ SETUP ══ */
#screen-setup { overflow-y: auto; padding-bottom: 40px; }
.setup-hero    { text-align:center; padding:28px 24px 16px; }
.setup-hero .si { font-size:48px; margin-bottom:8px; }
.setup-hero h2  { font-size:26px; font-weight:900; color:#fff; }
.setup-hero p   { color:rgba(255,255,255,.5); font-weight:600; margin-top:4px; }
.setup-body { padding:0 20px; display:flex; flex-direction:column; gap:20px; }

.grade-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:10px; }
.grade-btn {
  padding:12px 4px; border-radius:var(--r-sm);
  border:2px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08); color:#fff;
  font-family:'Nunito',sans-serif; font-size:14px; font-weight:800;
  cursor:pointer; transition:all .2s;
}
.grade-btn.sel { border-color:var(--accent); background:rgba(245,158,11,.2); color:var(--accent-l); }

.avatar-grid { display:grid; grid-template-columns:repeat(6,1fr); gap:9px; }
.av-btn {
  aspect-ratio:1; border-radius:50%;
  border:3px solid transparent; background:rgba(255,255,255,.1);
  font-size:26px; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition:all .2s;
}
.av-btn:active { transform:scale(.88); }
.av-btn.sel    { border-color:var(--accent); background:rgba(245,158,11,.2); transform:scale(1.12); }

.nick-preview {
  background:rgba(255,255,255,.08); border:2px solid rgba(255,255,255,.15);
  border-radius:var(--r-sm); padding:14px 16px;
  display:flex; align-items:center; justify-content:space-between; gap:10px;
}
.nick-preview-text { color:#fff; font-size:17px; font-weight:800; }
.nick-preview-sub  { color:rgba(255,255,255,.4); font-size:12px; font-weight:600; margin-top:2px; }
.nick-refresh {
  background:rgba(255,255,255,.12); border:none; border-radius:50%;
  width:36px; height:36px; font-size:18px; cursor:pointer;
  flex-shrink:0; transition:transform .3s;
}
.nick-refresh:active { transform:rotate(180deg); }

.code-box       { background:rgba(255,255,255,.06); border:1px dashed rgba(255,255,255,.2); border-radius:var(--r-sm); padding:16px; }
.code-box-label { color:rgba(255,255,255,.55); font-size:13px; font-weight:700; margin-bottom:8px; }

/* ══ LOGIN ══ */
#screen-login {
  align-items:center; justify-content:center;
  padding:48px 28px; gap:24px; text-align:center;
}
.login-icon  { font-size:64px; }
.login-title { color:#fff; font-size:26px; font-weight:900; }
.login-sub   { color:rgba(255,255,255,.5); font-weight:600; margin-top:-14px; }
.login-form  { display:flex; flex-direction:column; gap:12px; width:100%; max-width:320px; }
.login-error { color:var(--err-l); font-size:14px; font-weight:700; display:none; }

/* ══ HOME ══ */
#screen-home { padding-bottom:80px; overflow-y:auto; }

.home-hdr {
  background:rgba(0,0,0,.3); backdrop-filter:blur(12px);
  padding:14px 18px;
  padding-top:calc(14px + env(safe-area-inset-top,0));
  border-bottom:1px solid var(--border);
}
.home-hdr-top { display:flex; align-items:center; gap:12px; margin-bottom:10px; }

.av-circle {
  width:46px; height:46px; border-radius:50%;
  background:linear-gradient(135deg,var(--primary-l),var(--primary));
  border:2.5px solid var(--accent);
  display:flex; align-items:center; justify-content:center;
  font-size:22px; flex-shrink:0;
}
.user-info   { flex:1; min-width:0; }
.user-name-h { color:#fff; font-weight:900; font-size:16px; line-height:1.2; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.user-lvl-h  { color:var(--accent-l); font-size:12px; font-weight:700; }

.xp-row   { display:flex; align-items:center; gap:8px; }
.xp-track { flex:1; height:8px; background:rgba(255,255,255,.14); border-radius:4px; overflow:hidden; }
.xp-fill  { height:100%; background:linear-gradient(90deg,var(--accent),var(--accent-l)); border-radius:4px; transition:width .7s ease; }
.xp-lbl   { color:rgba(255,255,255,.55); font-size:11px; font-weight:800; white-space:nowrap; }

/* Daily message card */
.daily-card {
  margin:16px 18px 0;
  background:linear-gradient(135deg,rgba(124,58,237,.25),rgba(91,33,182,.15));
  border:1px solid rgba(124,58,237,.4);
  border-radius:var(--r); padding:14px 16px;
  animation:slide-up .4s ease;
}
.daily-card-lbl { color:var(--primary-ll); font-size:11px; font-weight:800; text-transform:uppercase; letter-spacing:1px; margin-bottom:5px; }
.daily-card-txt { color:#fff; font-size:14px; font-weight:700; line-height:1.45; }

/* Mini fact card */
.fact-card {
  margin:12px 18px 0;
  background:linear-gradient(135deg,rgba(245,158,11,.18),rgba(217,119,6,.1));
  border:1px solid rgba(245,158,11,.35);
  border-radius:var(--r); padding:14px 16px;
  display:flex; align-items:center; gap:12px;
  animation:slide-up .4s ease .1s both;
}
.fact-em   { font-size:28px; flex-shrink:0; }
.fact-body { flex:1; }
.fact-lbl  { color:var(--accent); font-size:11px; font-weight:800; text-transform:uppercase; letter-spacing:1px; margin-bottom:4px; }
.fact-txt  { color:#fff; font-size:13px; font-weight:700; line-height:1.4; }
.fact-btn  {
  background:rgba(245,158,11,.25); border:1px solid rgba(245,158,11,.4);
  border-radius:20px; padding:5px 12px;
  color:var(--accent-l); font-size:12px; font-weight:800;
  cursor:pointer; white-space:nowrap; flex-shrink:0; transition:all .2s;
}
.fact-btn:active { transform:scale(.92); }
.fact-btn.done   { opacity:.4; cursor:default; }

/* Daily race card */
.race-card {
  margin:12px 18px 0;
  background:linear-gradient(135deg,rgba(239,68,68,.22),rgba(185,28,28,.12));
  border:1px solid rgba(239,68,68,.4);
  border-radius:var(--r); padding:16px 18px;
  display:flex; align-items:center; gap:14px;
  cursor:pointer; transition:transform .15s;
  animation:slide-up .4s ease .15s both;
}
.race-card:active  { transform:scale(.98); }
.race-card-em   { font-size:34px; flex-shrink:0; }
.race-card-body { flex:1; }
.race-card-lbl  { color:#FCA5A5; font-size:11px; font-weight:800; text-transform:uppercase; letter-spacing:1px; margin-bottom:3px; }
.race-card-ttl  { color:#fff; font-size:15px; font-weight:900; }
.race-card-sub  { color:rgba(255,255,255,.5); font-size:12px; font-weight:600; margin-top:2px; }
.race-card-btn  {
  background:rgba(239,68,68,.35); border:1px solid rgba(239,68,68,.5);
  border-radius:20px; padding:6px 13px;
  color:#FCA5A5; font-size:12px; font-weight:800; flex-shrink:0;
}
.race-card.done { opacity:.55; cursor:default; }
.race-card.done .race-card-btn { background:rgba(255,255,255,.08); border-color:rgba(255,255,255,.15); color:rgba(255,255,255,.4); }

/* Unit cards */
.units-wrap { padding:16px 18px 0; display:flex; flex-direction:column; gap:12px; }
.uc {
  border-radius:var(--r); padding:17px 18px;
  display:flex; align-items:center; gap:15px;
  cursor:pointer; position:relative; overflow:hidden;
  transition:transform .18s, box-shadow .18s;
}
.uc::before {
  content:''; position:absolute; inset:0;
  background:linear-gradient(130deg,rgba(255,255,255,.18) 0%,transparent 55%);
  pointer-events:none;
}
.uc.unlocked        { box-shadow:var(--shadow); }
.uc.unlocked:active { transform:scale(.975); }
.uc.locked          { opacity:.42; cursor:default; filter:grayscale(.6); }
.uc-em    { width:52px; height:52px; border-radius:50%; background:rgba(255,255,255,.22); display:flex; align-items:center; justify-content:center; font-size:26px; flex-shrink:0; }
.uc-info  { flex:1; min-width:0; }
.uc-name  { color:#fff; font-size:15px; font-weight:900; }
.uc-desc  { color:rgba(255,255,255,.6); font-size:12px; font-weight:600; margin-top:2px; }
.uc-stars { display:flex; gap:2px; margin-top:5px; }
.uc-star  { font-size:16px; }
.uc-right { font-size:22px; }
.uc-badge { position:absolute; top:10px; right:12px; font-size:11px; font-weight:800; background:rgba(255,255,255,.2); color:#fff; padding:3px 9px; border-radius:20px; }
.uc-speed { position:absolute; bottom:10px; right:12px; font-size:12px; font-weight:800; color:var(--speed-l); }

/* ══ LESSON ══ */
#screen-lesson { padding-top:env(safe-area-inset-top,0); }

.lesson-hdr { padding:14px 18px; display:flex; align-items:center; gap:12px; }
.close-btn {
  width:36px; height:36px; border-radius:50%;
  background:rgba(255,255,255,.1); border:none;
  color:#fff; font-size:16px; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0; transition:background .2s;
}
.close-btn:hover { background:rgba(255,255,255,.18); }

.prog-dots { flex:1; display:flex; gap:4px; }
.pdot { flex:1; height:6px; border-radius:3px; background:rgba(255,255,255,.18); transition:background .3s; }
.pdot.c   { background:var(--ok-l); }
.pdot.w   { background:var(--err-l); }
.pdot.t   { background:var(--speed-l); }
.pdot.cur { background:rgba(255,255,255,.7); animation:pulse-dot .9s ease-in-out infinite; }

.xp-counter { background:rgba(245,158,11,.18); border:1px solid rgba(245,158,11,.4); border-radius:20px; padding:5px 11px; color:var(--accent-l); font-weight:900; font-size:14px; flex-shrink:0; }
.xp-counter.speed-mode { background:rgba(239,68,68,.2); border-color:rgba(239,68,68,.4); color:var(--speed-l); }

.speed-label { text-align:center; padding:4px 0 8px; color:var(--speed-l); font-size:12px; font-weight:800; text-transform:uppercase; letter-spacing:1px; display:none; }
.speed-label.active { display:block; }

.timer-bar-wrap { height:6px; background:rgba(255,255,255,.1); margin:0 18px 4px; border-radius:3px; overflow:hidden; display:none; }
.timer-bar-wrap.active { display:block; }
.timer-bar        { height:100%; border-radius:3px; background:linear-gradient(90deg,#10B981,#F59E0B); }
.timer-bar.warn   { background:linear-gradient(90deg,#F59E0B,#EF4444); }
.timer-bar.danger { background:var(--err); animation:timer-pulse .4s ease-in-out infinite; }

.lesson-body { flex:1; padding:16px 18px 24px; display:flex; flex-direction:column; gap:18px; overflow-y:auto; }

.q-box {
  background:rgba(255,255,255,.1); backdrop-filter:blur(10px);
  border:2px solid rgba(255,255,255,.2);
  border-radius:var(--r); padding:28px 20px;
  text-align:center; transition:border-color .3s;
}
.q-box.speed-q { border-color:rgba(239,68,68,.4); }
.q-label { color:rgba(255,255,255,.55); font-size:13px; font-weight:700; margin-bottom:8px; }
.q-text  { font-family:'Fredoka One',cursive; font-size:52px; color:#fff; line-height:1; }
.q-num   { color:var(--accent-l); }
.q-num.speed { color:var(--speed-l); }
.q-op    { color:rgba(255,255,255,.5); }

.feedback { text-align:center; padding:13px 16px; border-radius:var(--r-sm); font-weight:800; font-size:15px; display:none; animation:slide-up .3s ease; }
.feedback.ok  { background:rgba(16,185,129,.2); color:#34D399; border:1px solid rgba(52,211,153,.4); display:block; }
.feedback.err { background:rgba(239,68,68,.2);  color:#F87171; border:1px solid rgba(248,113,113,.4); display:block; }

.ans-grid { display:grid; grid-template-columns:1fr 1fr; gap:11px; }
.ans-btn {
  padding:18px 12px; border-radius:var(--r);
  border:2px solid rgba(255,255,255,.15);
  background:rgba(255,255,255,.1); backdrop-filter:blur(4px);
  color:#fff; font-family:'Fredoka One',cursive; font-size:30px;
  cursor:pointer; transition:all .15s cubic-bezier(.34,1.56,.64,1);
}
.ans-btn:hover:not(:disabled) { border-color:rgba(255,255,255,.4); background:rgba(255,255,255,.17); transform:scale(1.03); }
.ans-btn:active:not(:disabled){ transform:scale(.94); }
.ans-btn.a-ok   { background:rgba(16,185,129,.3); border-color:#34D399; animation:bounce-in .35s ease; }
.ans-btn.a-err  { background:rgba(239,68,68,.3);  border-color:#F87171; animation:shake .4s ease; }
.ans-btn.a-show { background:rgba(16,185,129,.25); border-color:#34D399; }
.ans-btn:disabled { cursor:default; }

/* ══ RESULT ══ */
#screen-result {
  align-items:center; justify-content:flex-start;
  padding:36px 24px 40px; gap:20px; text-align:center; overflow-y:auto;
}
.res-em    { font-size:64px; animation:bounce-in .6s ease; }
.res-stars { display:flex; gap:6px; justify-content:center; }
.res-star  { font-size:50px; opacity:0; transform:scale(0) rotate(-20deg); transition:all .45s cubic-bezier(.34,1.56,.64,1); }
.res-star.lit { opacity:1; transform:scale(1) rotate(0); }
.res-title { color:#fff; font-size:30px; font-weight:900; }
.res-xp-box {
  background:linear-gradient(135deg,rgba(245,158,11,.18),rgba(245,158,11,.08));
  border:2px solid rgba(245,158,11,.4);
  border-radius:var(--r); padding:16px 28px; width:100%;
}
.res-xp-amt { font-size:38px; font-weight:900; color:var(--accent-l); }
.res-xp-lbl { font-size:14px; color:rgba(255,255,255,.55); font-weight:700; }
.res-stats  { display:grid; grid-template-columns:1fr 1fr; gap:11px; width:100%; }
.res-stat   { background:rgba(255,255,255,.08); border-radius:var(--r-sm); padding:14px; }
.res-stat-v { font-size:26px; font-weight:900; color:#fff; }
.res-stat-l { font-size:12px; color:rgba(255,255,255,.45); font-weight:700; margin-top:2px; }
.res-btns   { display:flex; flex-direction:column; gap:11px; width:100%; }

.speed-gate-teaser {
  background:linear-gradient(135deg,rgba(239,68,68,.2),rgba(185,28,28,.1));
  border:2px solid rgba(239,68,68,.4);
  border-radius:var(--r); padding:16px 20px; width:100%; text-align:center;
  animation:slide-up .5s ease .8s both;
}
.sgt-title { color:var(--speed-l); font-size:16px; font-weight:900; margin-bottom:4px; }
.sgt-sub   { color:rgba(255,255,255,.5); font-size:13px; font-weight:600; margin-bottom:12px; }

/* ══ SPEED RESULT ══ */
#screen-speed-result {
  align-items:center; justify-content:flex-start;
  padding:36px 24px 40px; gap:20px; text-align:center; overflow-y:auto;
}
.sr-em    { font-size:72px; animation:bounce-in .6s ease; }
.sr-title { color:#fff; font-size:28px; font-weight:900; }
.sr-sub   { color:rgba(255,255,255,.5); font-size:15px; font-weight:700; }
.sr-score-box {
  background:linear-gradient(135deg,rgba(239,68,68,.2),rgba(185,28,28,.1));
  border:2px solid rgba(239,68,68,.45);
  border-radius:var(--r); padding:20px 32px; width:100%;
}
.sr-score-v { font-family:'Fredoka One',cursive; font-size:64px; color:var(--speed-l); line-height:1; }
.sr-score-l { color:rgba(255,255,255,.5); font-size:14px; font-weight:700; margin-top:4px; }
.sr-stats   { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; width:100%; }
.sr-stat    { background:rgba(255,255,255,.08); border-radius:var(--r-sm); padding:13px 8px; }
.sr-stat-v  { font-size:22px; font-weight:900; color:#fff; }
.sr-stat-l  { font-size:11px; color:rgba(255,255,255,.4); font-weight:700; margin-top:2px; }
.sr-star3   {
  background:linear-gradient(135deg,rgba(245,158,11,.2),rgba(245,158,11,.08));
  border:2px solid var(--accent); border-radius:var(--r);
  padding:16px; width:100%; text-align:center;
  animation:bounce-in .5s ease .4s both;
}
.sr-star3-title { color:var(--accent-l); font-size:18px; font-weight:900; margin-bottom:4px; }
.sr-star3-sub   { color:rgba(255,255,255,.5); font-size:13px; font-weight:600; }

/* ══ PROGRESS ══ */
#screen-progress { padding-bottom:80px; overflow-y:auto; }
.prog-hdr {
  background:rgba(0,0,0,.3); backdrop-filter:blur(12px);
  padding:22px 20px;
  padding-top:calc(22px + env(safe-area-inset-top,0));
  border-bottom:1px solid var(--border); text-align:center;
}
.prog-av       { font-size:54px; margin-bottom:8px; }
.prog-nickname { color:#fff; font-size:20px; font-weight:900; }
.prog-realname { color:rgba(255,255,255,.4); font-size:13px; font-weight:700; }
.prog-cls      { color:rgba(255,255,255,.4); font-size:14px; font-weight:700; margin-top:2px; }
.code-reveal {
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(0,0,0,.3); border:1px solid rgba(255,255,255,.15);
  border-radius:20px; padding:6px 14px; margin-top:10px; cursor:pointer;
}
.code-reveal-val  { color:var(--accent-l); font-family:'Fredoka One',cursive; font-size:16px; letter-spacing:2px; }
.code-reveal-lbl  { color:rgba(255,255,255,.35); font-size:11px; font-weight:700; }
.code-copy-hint   { color:rgba(255,255,255,.25); font-size:10px; font-weight:700; }

.lvl-card {
  margin:18px; border-radius:var(--r);
  background:linear-gradient(135deg,#7C3AED,#4C1D95);
  padding:20px; box-shadow:0 8px 32px rgba(124,58,237,.45);
}
.lvl-card-top { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:14px; }
.lvl-num  { font-size:52px; font-weight:900; color:#fff; line-height:1; }
.lvl-lbl  { color:rgba(255,255,255,.6); font-size:13px; font-weight:700; }
.lvl-name { color:var(--accent-l); font-size:15px; font-weight:800; margin-top:4px; }
.lvl-bar  { height:10px; background:rgba(255,255,255,.2); border-radius:5px; overflow:hidden; }
.lvl-fill { height:100%; background:linear-gradient(90deg,var(--accent),var(--accent-l)); border-radius:5px; transition:width 1s ease; }
.lvl-xp-t { color:rgba(255,255,255,.5); font-size:12px; font-weight:700; margin-top:6px; }

.stat-grid { display:grid; grid-template-columns:1fr 1fr; gap:11px; margin:0 18px 18px; }
.stat-c  { background:rgba(255,255,255,.07); border-radius:var(--r-sm); padding:15px; text-align:center; }
.stat-ci { font-size:28px; margin-bottom:5px; }
.stat-cv { color:#fff; font-size:22px; font-weight:900; }
.stat-cl { color:rgba(255,255,255,.45); font-size:11px; font-weight:700; margin-top:2px; }

.up-wrap  { margin:0 18px 20px; }
.up-title { color:rgba(255,255,255,.4); font-size:11px; font-weight:800; text-transform:uppercase; letter-spacing:1.2px; margin-bottom:12px; }
.up-row   { display:flex; align-items:center; gap:12px; padding:11px 0; border-bottom:1px solid rgba(255,255,255,.06); }
.up-em    { font-size:24px; width:30px; text-align:center; }
.up-info  { flex:1; }
.up-n     { color:#fff; font-size:14px; font-weight:700; }
.up-s     { display:flex; gap:2px; align-items:center; }
.up-st    { font-size:14px; }
.up-acc   { color:rgba(255,255,255,.4); font-size:12px; font-weight:700; }

/* ══ LEADERBOARD ══ */
#screen-leaderboard { padding-bottom:80px; overflow-y:auto; }
.lb-hdr {
  background:rgba(0,0,0,.3); backdrop-filter:blur(12px);
  padding:16px 20px;
  padding-top:calc(16px + env(safe-area-inset-top,0));
  border-bottom:1px solid var(--border); text-align:center;
}
.lb-tabs { display:flex; gap:8px; margin-top:12px; }
.lb-tab  {
  flex:1; padding:8px; border-radius:var(--r-sm);
  border:none; background:rgba(255,255,255,.08);
  color:rgba(255,255,255,.4); font-family:'Nunito',sans-serif;
  font-size:13px; font-weight:800; cursor:pointer; transition:all .2s;
}
.lb-tab.active { background:rgba(245,158,11,.2); color:var(--accent-l); border:1px solid rgba(245,158,11,.4); }
.lb-trophy { font-size:30px; margin-bottom:6px; }
.lb-title  { color:#fff; font-size:20px; font-weight:900; }
.lb-cls    { color:rgba(255,255,255,.45); font-size:14px; font-weight:700; margin-top:4px; }

.lb-list { padding:16px 18px; display:flex; flex-direction:column; gap:10px; }
.lb-item {
  background:rgba(255,255,255,.07); border-radius:var(--r-sm);
  padding:13px 15px; display:flex; align-items:center; gap:12px;
  border:1px solid transparent; transition:all .2s;
  animation:slide-up .3s ease both;
}
.lb-item.me   { background:rgba(124,58,237,.2); border-color:rgba(124,58,237,.45); }
.lb-item.rk-1 { background:rgba(245,158,11,.15); border-color:rgba(245,158,11,.4); }
.lb-item.rk-2 { background:rgba(148,163,184,.12); border-color:rgba(148,163,184,.3); }
.lb-item.rk-3 { background:rgba(180,110,50,.12); border-color:rgba(180,110,50,.3); }
.lb-rk   { font-size:18px; font-weight:900; color:rgba(255,255,255,.35); width:28px; text-align:center; flex-shrink:0; }
.lb-av   { font-size:28px; flex-shrink:0; }
.lb-inf  { flex:1; min-width:0; }
.lb-n    { color:#fff; font-size:15px; font-weight:800; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.lb-g    { color:rgba(255,255,255,.4); font-size:12px; font-weight:700; }
.lb-xp-v { color:var(--accent-l); font-size:16px; font-weight:900; text-align:right; }
.lb-xp-l { color:rgba(255,255,255,.35); font-size:11px; font-weight:700; text-align:right; }
.lb-xp-v.speed { color:var(--speed-l); }