:root {
  --p: #6C63FF;
  --p2: #4B44CC;
  --p3: #EEF0FF;
  --g: #00C896;
  --g2: #00A87E;
  --g3: #E6FBF5;
  --r: #FF4F7B;
  --r3: #FFF0F4;
  --y: #FFB800;
  --y3: #FFF8E6;
  --o: #FF7043;
  --bg: #F4F6FF;
  --bg2: #FFFFFF;
  --bg3: #EEF0FF;
  --card: #FFFFFF;
  --card2: #F8F9FF;
  --border: rgba(108,99,255,0.14);
  --border2: rgba(108,99,255,0.32);
  --text: #1A1B3A;
  --text2: #5A5C80;
  --text3: #9496B8;
  --shadow: 0 4px 24px rgba(108,99,255,0.10);
  --shadow2: 0 8px 32px rgba(108,99,255,0.18);
  --rad: 16px;
  --radsm: 10px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Vazirmatn',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:#EEF0FF}
::-webkit-scrollbar-thumb{background:var(--p);border-radius:3px}
/* ── FLOATING BUBBLES ── */
body::before,body::after{content:'';position:fixed;border-radius:50%;pointer-events:none;z-index:0}
body::before{width:500px;height:500px;background:radial-gradient(circle,rgba(108,99,255,.07),transparent 70%);top:-100px;right:-100px;animation:drift1 12s ease-in-out infinite}
body::after{width:400px;height:400px;background:radial-gradient(circle,rgba(0,200,150,.07),transparent 70%);bottom:-80px;left:-80px;animation:drift2 14s ease-in-out infinite}
@keyframes drift1{0%,100%{transform:translate(0,0)}50%{transform:translate(-30px,40px)}}
@keyframes drift2{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-30px)}}

/* ── PAGES ── */
.page{display:none;min-height:100vh}
.page.on{display:flex;flex-direction:column}

/* ════════════════════════
   LANDING
════════════════════════ */
#pg-land{
  align-items:center;justify-content:center;
  background:linear-gradient(145deg,#F0F2FF 0%,#E8FBF5 50%,#FFF4F8 100%);
  padding:2rem 1rem;position:relative;
}
.land-inner{max-width:680px;width:100%;text-align:center;animation:up .7s ease both;position:relative;z-index:1}

.logo-ring{
  width:88px;height:88px;border-radius:24px;margin:0 auto 2rem;
  background:linear-gradient(140deg,var(--p),var(--g));
  display:flex;align-items:center;justify-content:center;font-size:44px;
  box-shadow:0 8px 32px rgba(108,99,255,0.30);
  animation:pulse 3s ease-in-out infinite;
}
@keyframes pulse{0%,100%{box-shadow:0 8px 24px rgba(108,99,255,0.25)}50%{box-shadow:0 12px 48px rgba(108,99,255,0.45)}}
.land-h1{
  font-size:clamp(2rem,5vw,3.2rem);font-weight:900;line-height:1.2;margin-bottom:1rem;
  background:linear-gradient(140deg,var(--p) 0%,var(--o) 55%,var(--g) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.land-sub{font-size:1.05rem;color:var(--text2);line-height:1.9;margin-bottom:2.5rem}
.land-btns{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.btn-main{
  padding:13px 32px;border-radius:50px;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;
  font-family:'Vazirmatn',sans-serif;font-size:.95rem;font-weight:700;
  box-shadow:0 6px 20px rgba(108,99,255,0.35);transition:all .3s;
  display:inline-flex;align-items:center;gap:8px;
}
.btn-main:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(108,99,255,0.45)}
.btn-ghost{
  padding:13px 32px;border-radius:50px;cursor:pointer;
  background:#fff;color:var(--p);
  font-family:'Vazirmatn',sans-serif;font-size:.95rem;font-weight:600;
  border:2px solid var(--border2);transition:all .3s;
  display:inline-flex;align-items:center;gap:8px;
  box-shadow:0 4px 16px rgba(108,99,255,0.10);
}
.btn-ghost:hover{border-color:var(--p);background:var(--p3);transform:translateY(-2px)}
.land-stats{display:flex;gap:2.5rem;justify-content:center;margin-top:3rem;flex-wrap:wrap}
.stat-n{font-size:2rem;font-weight:900;color:var(--p)}
.stat-l{font-size:.78rem;color:var(--text3);margin-top:2px}
.feature-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-top:3rem;}
.feat-card{
  background:#fff;border:1.5px solid var(--border);border-radius:var(--rad);
  padding:1.25rem;text-align:right;
  transition:border-color .3s,transform .3s,box-shadow .3s;
  box-shadow:var(--shadow);
}
.feat-card:hover{border-color:var(--p);transform:translateY(-5px);box-shadow:var(--shadow2)}
.feat-ico{font-size:28px;margin-bottom:.75rem}
.feat-t{font-size:.9rem;font-weight:700;margin-bottom:.35rem;color:var(--text)}
.feat-d{font-size:.78rem;color:var(--text3);line-height:1.7}

/* ════════════════════════
   LOGIN
════════════════════════ */
#pg-login{
  align-items:center;justify-content:center;
  background:linear-gradient(145deg,#F0F2FF 0%,#E8FBF5 60%,#FFF0F8 100%);
  padding:1rem;
}
.login-box{
  background:var(--card);border:1px solid var(--border);border-radius:22px;
  padding:2.25rem;width:100%;max-width:400px;
  box-shadow:0 16px 48px rgba(108,99,255,.15);animation:up .5s ease;
}
.login-logo{
  width:52px;height:52px;border-radius:14px;margin:0 auto 1.5rem;
  background:linear-gradient(135deg,var(--p),var(--g));
  display:flex;align-items:center;justify-content:center;font-size:26px;
}
.login-h{font-size:1.35rem;font-weight:800;text-align:center;margin-bottom:.35rem}
.login-sub{font-size:.82rem;color:var(--text3);text-align:center;margin-bottom:1.75rem}

.tabs{display:flex;gap:3px;background:var(--bg3);border-radius:var(--radsm);padding:3px;margin-bottom:1.75rem}
.tab{
  flex:1;padding:9px 4px;border-radius:7px;border:none;cursor:pointer;
  font-family:'Vazirmatn',sans-serif;font-size:.82rem;
  background:transparent;color:var(--text2);transition:all .25s;
}
.tab.on{background:var(--p);color:#fff;font-weight:700}

.fg{margin-bottom:1.1rem}
.fg label{display:block;font-size:.8rem;color:var(--text2);margin-bottom:6px}
.fg input,.fg select{
  width:100%;padding:11px 14px;
  background:#F8F9FF;border:1.5px solid var(--border);
  border-radius:var(--radsm);color:var(--text);
  font-family:'Vazirmatn',sans-serif;font-size:.95rem;
  outline:none;transition:border-color .2s;direction:ltr;text-align:right;
}
.fg input:focus,.fg select:focus{border-color:var(--p)}
.fg input::placeholder{color:var(--text3)}

.btn-login{
  width:100%;padding:13px;border-radius:var(--radsm);border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;
  font-family:'Vazirmatn',sans-serif;font-size:.95rem;font-weight:700;
  transition:all .3s;margin-top:.25rem;
}
.btn-login:hover{opacity:.9;transform:translateY(-1px)}
.btn-login:disabled{opacity:.5;cursor:not-allowed;transform:none}

.alert-err{
  background:rgba(255,101,132,.12);border:1px solid rgba(255,101,132,.3);
  color:var(--r);border-radius:var(--radsm);padding:9px 13px;
  font-size:.82rem;margin-bottom:.85rem;display:none;
}
.back-link{text-align:center;margin-top:1.25rem;font-size:.82rem;color:var(--text3);cursor:pointer}
.back-link span{color:var(--p)}

/* ════════════════════════
   APP SHELL
════════════════════════ */
#pg-app{flex-direction:row}

.sidebar{
  width:255px;min-height:100vh;
  background:#fff;border-left:2px solid var(--border);
  display:flex;flex-direction:column;
  position:fixed;right:0;top:0;z-index:100;
  transition:transform .3s;
}
.sb-logo{
  padding:1.35rem 1rem;display:flex;align-items:center;gap:10px;
  border-bottom:1px solid var(--border);
}
.sb-logo-ico{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--p),var(--g));
  display:flex;align-items:center;justify-content:center;font-size:19px;
}
.sb-logo-t{font-size:.95rem;font-weight:700}
.sb-logo-s{font-size:.67rem;color:var(--text3)}

.sb-nav{flex:1;padding:.75rem;overflow-y:auto}
.nav-sec{font-size:.67rem;color:var(--text3);font-weight:600;padding:0 .6rem;margin:1rem 0 .4rem;letter-spacing:.08em}
.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:var(--radsm);cursor:pointer;
  transition:all .2s;color:var(--text2);font-size:.87rem;margin-bottom:2px;
}
.nav-item:hover{background:var(--card);color:var(--text)}
.nav-item.on{background:rgba(108,99,255,.15);color:var(--p);font-weight:600}
.nav-ico{font-size:17px;width:20px;text-align:center;flex-shrink:0}

.sb-foot{
  padding:.75rem;border-top:1px solid var(--border);
}
.user-row{
  display:flex;align-items:center;gap:9px;
  padding:9px 10px;border-radius:var(--radsm);
  background:#F4F6FF;cursor:pointer;
  transition:all .2s;
}
.user-row:hover{border:1px solid var(--border2)}
.user-av{
  width:34px;height:34px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.9rem;
}
.user-n{font-size:.82rem;font-weight:600}
.user-r{font-size:.67rem;color:var(--text3)}

.main{flex:1;margin-right:255px;min-height:100vh;display:flex;flex-direction:column}

.topbar{
  height:60px;padding:0 1.75rem;
  display:flex;align-items:center;justify-content:space-between;
  background:#fff;border-bottom:2px solid var(--border);box-shadow:0 2px 12px rgba(108,99,255,.06);
  position:sticky;top:0;z-index:50;
}
.topbar-t{font-size:1rem;font-weight:700}
.topbar-r{display:flex;align-items:center;gap:.75rem}
.tb-btn{
  width:36px;height:36px;border-radius:var(--radsm);
  background:var(--card);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:17px;transition:all .2s;
}
.tb-btn:hover{border-color:var(--p)}
/* topbar user chip */
.tb-user{
  display:flex;align-items:center;gap:8px;
  background:var(--p3);border:1.5px solid var(--border2);
  border-radius:50px;padding:4px 14px 4px 6px;
  font-size:.82rem;font-weight:700;color:var(--p);
  animation:up .4s ease;
}
.tb-user-av{font-size:1.3rem;line-height:1}

/* ── DINO CHARACTER ── */
#dino-wrap{
  position:fixed;bottom:16px;left:16px;z-index:300;
  display:flex;flex-direction:column;align-items:flex-start;gap:6px;
  pointer-events:none;
}
/* دکمه‌ی بستن داینو */
#dino-hide{
  position:absolute;top:-6px;right:-6px;z-index:5;
  width:22px;height:22px;border-radius:50%;border:none;cursor:pointer;
  background:var(--r);color:#fff;font-size:.8rem;line-height:1;
  display:none;align-items:center;justify-content:center;pointer-events:all;
  box-shadow:0 2px 8px rgba(0,0,0,.25);transition:transform .15s;
}
#dino-hide:hover{transform:scale(1.15)}
#dino-body-box{position:relative;pointer-events:all}
#dino-body-box:hover #dino-hide{display:flex}
/* حالت کوچک‌شده: فقط یک دکمه‌ی ریز گوشه */
#dino-mini{
  position:fixed;bottom:16px;left:16px;z-index:300;
  width:46px;height:46px;border-radius:50%;cursor:pointer;
  background:linear-gradient(135deg,var(--p),var(--g));
  display:none;align-items:center;justify-content:center;font-size:1.4rem;
  box-shadow:0 4px 16px rgba(108,99,255,.4);transition:transform .2s;
  animation:dino-idle 2.5s ease-in-out infinite;
}
#dino-mini:hover{transform:scale(1.12)}
#dino-bubble{
  background:#fff;border:2px solid var(--p);border-radius:18px 18px 18px 4px;
  padding:10px 14px;font-size:.82rem;font-weight:600;color:var(--text);
  max-width:210px;line-height:1.6;box-shadow:0 4px 16px rgba(108,99,255,.18);
  opacity:0;transform:translateY(8px);transition:all .35s cubic-bezier(.34,1.56,.64,1);
  pointer-events:none;
}
#dino-bubble.show{opacity:1;transform:translateY(0);pointer-events:all;cursor:pointer}
/* حالت آموزش: حباب بزرگ‌تر و خواناتر */
#dino-bubble.teaching{
  max-width:290px;font-size:.84rem;font-weight:500;
  border-radius:18px;padding:13px 16px;line-height:1.85;
}
#dino-bubble.teaching strong{font-weight:800}
#dino-body{
  width:68px;height:68px;cursor:pointer;pointer-events:all;
  animation:dino-idle 2s ease-in-out infinite;
  transition:transform .2s;user-select:none;
  display:flex;align-items:flex-end;justify-content:center;
}
#dino-body img{
  width:100%;height:100%;object-fit:contain;
  filter:drop-shadow(0 6px 10px rgba(108,99,255,.28));
  pointer-events:none;
}
#dino-body:hover{transform:scale(1.1) rotate(-4deg)}
@media(max-width:560px){
  #dino-body{width:52px;height:52px}
  #dino-bubble.teaching{max-width:210px}
}
@keyframes dino-idle{
  0%,100%{transform:translateY(0) rotate(0deg)}
  25%{transform:translateY(-6px) rotate(2deg)}
  75%{transform:translateY(-3px) rotate(-2deg)}
}
@keyframes dino-happy{
  0%{transform:scale(1) rotate(0)}
  25%{transform:scale(1.2) rotate(10deg)}
  50%{transform:scale(1.2) rotate(-10deg)}
  75%{transform:scale(1.1) rotate(5deg)}
  100%{transform:scale(1) rotate(0)}
}
@keyframes dino-sad{
  0%,100%{transform:translateX(0)}
  25%{transform:translateX(-6px)}
  75%{transform:translateX(6px)}
}

.sec{display:none;padding:1.75rem;flex:1}
.sec.on{display:block}

/* ── SECTION HEADER ── */
.sec-head{margin-bottom:1.75rem}
.sec-head h2{
  font-size:1.6rem;font-weight:900;margin-bottom:.35rem;
  background:linear-gradient(135deg,var(--p),var(--g));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.sec-head p{color:var(--text2);font-size:.9rem}

/* ── GRIDS ── */
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
@media(max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.g4,.g3,.g2{grid-template-columns:1fr}.sidebar{transform:translateX(100%)}.sidebar.open{transform:translateX(0)}.main{margin-right:0}}

/* ── STAT CARDS ── */
.scard{
  background:#fff;border:1.5px solid var(--border);border-radius:var(--rad);
  padding:1.2rem;transition:all .3s;position:relative;overflow:hidden;box-shadow:var(--shadow);
}
.scard:hover{transform:translateY(-5px);border-color:var(--p);box-shadow:var(--shadow2)}
.scard-ico{font-size:26px;margin-bottom:.65rem}
.scard-v{font-size:1.9rem;font-weight:900}
.scard-l{font-size:.77rem;color:var(--text3);margin-top:3px}
.scard-glow{
  position:absolute;top:-20px;left:-20px;width:70px;height:70px;
  border-radius:50%;opacity:.1;
}

/* ── HERO BANNER ── */
.hero{
  background:linear-gradient(135deg,var(--p) 0%,var(--p2) 60%,#3D35B5 100%);
  border-radius:var(--rad);padding:1.75rem 2rem;margin-bottom:1.75rem;
  display:flex;align-items:center;justify-content:space-between;
  position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:-50px;left:-50px;
  width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,.07);
}
.hero-txt h2{font-size:1.45rem;font-weight:900;margin-bottom:.35rem}
.hero-txt p{font-size:.87rem;opacity:.75}
.hero-emoji{font-size:52px;animation:bob 2.5s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ── CONTENT CARD ── */
.ccard{
  background:#fff;border:1.5px solid var(--border);border-radius:var(--rad);
  padding:1.4rem;margin-bottom:1rem;box-shadow:var(--shadow);
}
.ccard-h{font-size:1rem;font-weight:700;margin-bottom:1rem;display:flex;align-items:center;justify-content:space-between}

/* ── TABLE ── */
.tbl{width:100%;border-collapse:collapse}
.tbl th{
  padding:10px 14px;text-align:right;font-size:.78rem;
  color:var(--text3);font-weight:600;border-bottom:1px solid var(--border);
}
.tbl td{
  padding:12px 14px;font-size:.85rem;
  border-bottom:1px solid rgba(255,255,255,.04);
}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:var(--card2)}
.tbl td:first-child,.tbl th:first-child{border-radius:0 8px 8px 0}
.tbl td:last-child,.tbl th:last-child{border-radius:8px 0 0 8px}

/* ── BADGES ── */
.pill{padding:3px 10px;border-radius:20px;font-size:.73rem;font-weight:600;display:inline-block}
.pill-g{background:rgba(67,217,173,.15);color:var(--g)}
.pill-r{background:rgba(255,101,132,.15);color:var(--r)}
.pill-p{background:rgba(108,99,255,.15);color:var(--p)}
.pill-y{background:rgba(255,209,102,.15);color:var(--y)}

/* ── BUTTONS ── */
.btn-add{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 18px;border-radius:var(--radsm);border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;
  font-family:'Vazirmatn',sans-serif;font-size:.83rem;font-weight:600;
  transition:all .2s;
}
.btn-add:hover{opacity:.9;transform:translateY(-1px)}
.btn-sm{
  padding:5px 12px;border-radius:7px;font-size:.78rem;
  font-family:'Vazirmatn',sans-serif;cursor:pointer;transition:all .2s;border:none;
}
.btn-edit{background:rgba(108,99,255,.15);color:var(--p)}
.btn-del{background:rgba(255,101,132,.15);color:var(--r)}
.btn-sm:hover{opacity:.75}

/* ── MODAL ── */
.modal-wrap{
  position:fixed;inset:0;z-index:200;
  background:rgba(0,0,0,.75);backdrop-filter:blur(5px);
  display:flex;align-items:flex-start;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity .3s;
  padding:1rem;overflow-y:auto;-webkit-overflow-scrolling:touch;
}
.modal-wrap.on{opacity:1;pointer-events:all}
.modal-box{
  background:#fff;border:1.5px solid var(--border);border-radius:22px;
  padding:1.75rem;width:100%;max-width:460px;margin:auto;
  max-height:calc(100dvh - 2rem);overflow-y:auto;
  transform:translateY(20px);transition:transform .3s;box-shadow:0 24px 64px rgba(108,99,255,.18);
}
.modal-wrap.on .modal-box{transform:translateY(0)}
.modal-h{font-size:1.2rem;font-weight:700;margin-bottom:1.4rem;display:flex;align-items:center;justify-content:space-between}
.modal-close{cursor:pointer;color:var(--text3);font-size:1.3rem;line-height:1;transition:color .2s}
.modal-close:hover{color:var(--text)}

/* ── TEACHER CARD ── */
.teacher-card{
  background:#fff;border:1.5px solid var(--border);border-radius:var(--rad);
  padding:1.25rem;transition:all .3s;box-shadow:var(--shadow);
}
.teacher-card:hover{border-color:var(--p);transform:translateY(-5px);box-shadow:var(--shadow2)}
.tc-top{display:flex;align-items:center;gap:12px;margin-bottom:1rem}
.tc-av{
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:1.1rem;flex-shrink:0;
}
.tc-n{font-size:.95rem;font-weight:700}
.tc-u{font-size:.76rem;color:var(--text3);margin-top:2px}
.tc-code{
  background:#F4F6FF;border:1.5px solid var(--border);border-radius:8px;
  padding:8px 12px;font-size:.8rem;color:var(--text2);
  display:flex;justify-content:space-between;align-items:center;margin-bottom:.85rem;
}
.tc-code strong{color:var(--g);font-size:.9rem;letter-spacing:.05em}
.tc-stats{display:flex;gap:.75rem}
.tc-stat{flex:1;background:#F4F6FF;border-radius:8px;padding:8px;text-align:center}
.tc-stat-v{font-size:1.1rem;font-weight:700;color:var(--p)}
.tc-stat-l{font-size:.7rem;color:var(--text3);margin-top:2px}

/* ── STUDENT ROW ── */
.st-row{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:var(--radsm);
  background:#fff;border:1.5px solid var(--border);margin-bottom:7px;box-shadow:var(--shadow);
  transition:all .2s;
}
.st-row:hover{border-color:var(--border2)}
.st-av{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.9rem;
}
.st-info{flex:1}
.st-n{font-size:.9rem;font-weight:600}
.st-class{font-size:.73rem;color:var(--text3)}
.st-scores{display:flex;gap:6px;flex-wrap:wrap}

/* ── SUBJECT CARD ── */
.subj-card{
  background:#fff;border:1.5px solid var(--border);border-radius:var(--rad);
  padding:1.25rem;cursor:pointer;transition:all .3s;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:10px;
}
.subj-card:hover{border-color:var(--subject-c);transform:translateY(-4px)}
.subj-ico{font-size:34px}
.subj-n{font-size:1rem;font-weight:700}
.subj-d{font-size:.77rem;color:var(--text3);line-height:1.65}
.prog-bar{height:5px;background:var(--bg3);border-radius:3px;margin-top:4px}
.prog-fill{height:100%;border-radius:3px;transition:width 1s ease}
.prog-meta{display:flex;justify-content:space-between;font-size:.73rem;color:var(--text3);margin-top:4px}

/* ── GAME ENGINE ── */
.game-wrap{background:#fff;border:1.5px solid var(--border);box-shadow:var(--shadow2);border-radius:20px;overflow:hidden}
.game-header{background:linear-gradient(135deg,var(--p),var(--p2));padding:1rem 1.25rem;display:flex;align-items:center;justify-content:space-between}
.game-score-box{display:flex;gap:1rem;align-items:center}
.gscore{background:rgba(255,255,255,.15);border-radius:10px;padding:5px 14px;font-size:.82rem;font-weight:700}
.timer-ring{width:44px;height:44px;position:relative;flex-shrink:0}
.timer-ring svg{transform:rotate(-90deg)}
.timer-num{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:800}
.game-body{padding:1.4rem}
.game-title{font-size:1.1rem;font-weight:800;text-align:center;margin-bottom:.35rem}
.game-hint{font-size:.82rem;color:var(--text3);text-align:center;margin-bottom:1.25rem}
.nb-slots{display:flex;gap:10px;justify-content:center;direction:ltr;margin-bottom:1.25rem}
.nb-slot{width:62px;height:74px;border-radius:14px;border:2.5px dashed rgba(108,99,255,.35);background:#F8F9FF;display:flex;align-items:center;justify-content:center;font-size:1.8rem;font-weight:900;color:var(--text3);transition:all .22s;cursor:pointer;position:relative}
.nb-slot.filled{border-style:solid;border-color:var(--p);color:var(--p);background:rgba(108,99,255,.1);animation:pop .2s ease}
@keyframes pop{0%{transform:scale(.7)}60%{transform:scale(1.15)}100%{transform:scale(1)}}
.nb-digits{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:1rem}
.nb-digit{width:58px;height:68px;border-radius:14px;border:2px solid var(--border2);background:#fff;color:var(--text);font-size:1.65rem;font-weight:900;cursor:pointer;transition:all .2s;font-family:'Vazirmatn',sans-serif}
.nb-digit:hover:not(:disabled){border-color:var(--p);transform:translateY(-5px) scale(1.05);box-shadow:0 8px 20px rgba(108,99,255,.3)}
.nb-digit:disabled{opacity:.2;cursor:default;transform:none}
.fb-bar{border-radius:10px;padding:10px 16px;text-align:center;font-size:.95rem;font-weight:700;margin-bottom:.85rem;min-height:42px;transition:all .3s}
.fb-ok{background:rgba(67,217,173,.15);color:var(--g);border:1px solid rgba(67,217,173,.3)}
.fb-bad{background:rgba(255,101,132,.12);color:var(--r);border:1px solid rgba(255,101,132,.25)}
.fb-idle{background:transparent;border:1px solid transparent}
.cmp-nums{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:1.25rem;flex-wrap:wrap}
.cmp-num{font-size:2rem;font-weight:900;background:var(--bg3);border:2px solid var(--border);border-radius:16px;padding:10px 22px;direction:ltr}
.cmp-btns{display:flex;gap:10px;justify-content:center}
.cmp-btn{width:64px;height:64px;border-radius:16px;border:2px solid var(--border2);background:var(--bg3);font-size:1.7rem;cursor:pointer;transition:all .2s;font-family:'Vazirmatn',sans-serif}
.cmp-btn:hover{border-color:var(--p);background:rgba(108,99,255,.12);transform:scale(1.08)}
.pv-number{font-size:2.6rem;font-weight:900;text-align:center;direction:ltr;letter-spacing:.1em;margin-bottom:1rem}
.pv-highlight{color:var(--y);text-shadow:0 0 20px rgba(255,209,102,.5)}
.pv-opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pv-opt{padding:12px;border-radius:12px;border:2px solid var(--border);background:var(--bg3);cursor:pointer;font-size:.95rem;font-weight:600;text-align:center;transition:all .2s}
.pv-opt:hover{border-color:var(--p);background:rgba(108,99,255,.1)}
.pv-opt.correct{border-color:var(--g);background:rgba(67,217,173,.15);color:var(--g)}
.pv-opt.wrong{border-color:var(--r);background:rgba(255,101,132,.1);color:var(--r)}
.end-screen{text-align:center;padding:1rem}
.end-stars{font-size:3rem;margin-bottom:.5rem}
.end-score{font-size:2.5rem;font-weight:900;background:linear-gradient(135deg,var(--y),var(--p));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.25rem}
.end-label{font-size:.85rem;color:var(--text3);margin-bottom:1.25rem}
.round-bar{height:6px;background:var(--bg3);border-radius:3px;margin-bottom:1.2rem;overflow:hidden}
.round-fill{height:100%;background:linear-gradient(90deg,var(--p),var(--g));border-radius:3px;transition:width .4s ease}
/* ── QUIZ / GAME PLACEHOLDER ── */
.coming{
  background:var(--card);border:2px dashed var(--border);border-radius:var(--rad);
  padding:2rem;text-align:center;
}
.coming-ico{font-size:40px;margin-bottom:1rem}
.coming-t{font-size:1rem;font-weight:700;margin-bottom:.4rem}
.coming-d{font-size:.82rem;color:var(--text3)}

/* ── NOTIF ── */
.notif{
  position:fixed;bottom:1.75rem;left:50%;transform:translateX(-50%);
  background:var(--card2);border:1px solid var(--border2);
  border-radius:50px;padding:11px 22px;font-size:.88rem;
  box-shadow:0 8px 30px rgba(108,99,255,.15);z-index:999;
  animation:notif-in .35s ease;white-space:nowrap;
}
@keyframes notif-in{from{transform:translateX(-50%) translateY(15px);opacity:0}to{transform:translateX(-50%) translateY(0);opacity:1}}

/* ── TEACHER DASHBOARD CHARTS ── */
.bar-chart{display:flex;align-items:flex-end;gap:6px;height:100px;padding-top:6px}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:5px}
.bar{width:100%;border-radius:5px 5px 0 0;transition:height 1s ease;min-height:4px;opacity:.85}
.bar-lbl{font-size:.67rem;color:var(--text3)}

/* ── DIVIDER ── */
.div{height:1px;background:var(--border);margin:1.25rem 0}

/* ── CODE BADGE ── */
.code-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(67,217,173,.1);border:1px solid rgba(67,217,173,.3);
  border-radius:8px;padding:4px 10px;
  font-size:.83rem;color:var(--g);font-weight:600;letter-spacing:.05em;
}

/* ── ANIMATIONS ── */
@keyframes up{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.a1{animation:up .5s .1s ease both}
.a2{animation:up .5s .2s ease both}
.a3{animation:up .5s .3s ease both}
.a4{animation:up .5s .4s ease both}

/* ── EMPTY STATE ── */
.empty{text-align:center;padding:3rem 1rem;color:var(--text3)}
.empty-ico{font-size:3rem;margin-bottom:.75rem}
.empty-t{font-size:.95rem;font-weight:600;color:var(--text2);margin-bottom:.35rem}
.empty-d{font-size:.82rem}

/* ── INFO BOX ── */
.info-box{
  background:var(--p3);border:1.5px solid rgba(108,99,255,.2);
  border-radius:var(--radsm);padding:1rem 1.25rem;font-size:.85rem;
  color:var(--text2);line-height:1.7;margin-bottom:1.25rem;
}
/* ── LESSON / MATH ── */
.back-btn{display:inline-flex;align-items:center;gap:6px;background:var(--card);border:1px solid var(--border);color:var(--text2);border-radius:var(--radsm);padding:7px 14px;font-family:'Vazirmatn',sans-serif;font-size:.83rem;cursor:pointer;margin-bottom:1rem;transition:all .2s}
.back-btn:hover{border-color:var(--p);color:var(--text)}
.chap-card{background:#fff;border:1.5px solid var(--border);box-shadow:var(--shadow);border-radius:var(--rad);padding:1.05rem 1.2rem;display:flex;align-items:center;gap:14px;cursor:pointer;transition:all .25s;margin-bottom:.7rem}
.chap-card:hover{border-color:var(--border2);transform:translateX(-4px)}
.chap-card.lock{opacity:.5;cursor:not-allowed}
.chap-card.lock:hover{transform:none;border-color:var(--border)}
.chap-num{width:42px;height:42px;border-radius:12px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.05rem;background:linear-gradient(135deg,var(--p),var(--p2));color:#fff}
.lesson-tabs{display:flex;gap:6px;background:var(--bg3);border-radius:var(--radsm);padding:4px;margin-bottom:1.25rem}
.ltab{flex:1;padding:11px 6px;border-radius:8px;border:none;cursor:pointer;font-family:'Vazirmatn',sans-serif;font-size:.86rem;background:transparent;color:var(--text2);transition:all .2s}
.ltab.on{background:var(--p);color:#fff;font-weight:700}
.learn-block{background:var(--card);border:1px solid var(--border);border-radius:var(--rad);padding:1.25rem 1.4rem;margin-bottom:1rem;line-height:2}
.learn-block h3{font-size:1.02rem;color:var(--p);margin-bottom:.5rem}
.ex-box{background:var(--bg3);border-right:3px solid var(--g);border-radius:8px;padding:.75rem 1rem;margin:.7rem 0 0;font-size:.92rem}
.qcard{background:var(--card);border:1px solid var(--border);border-radius:var(--rad);padding:1.25rem;margin-bottom:1rem}
.qnum{font-size:.78rem;color:var(--text3);margin-bottom:.45rem}
.qtext{font-size:1rem;font-weight:600;margin-bottom:1rem;line-height:1.9}
.qopt{background:var(--bg3);border:1.5px solid var(--border);border-radius:var(--radsm);padding:11px 15px;margin-bottom:.55rem;cursor:pointer;font-size:.95rem;transition:all .18s}
.qopt:hover{border-color:var(--border2)}
.qopt.sel{border-color:var(--p);background:rgba(108,99,255,.12)}
.qopt.correct{border-color:var(--g);background:rgba(67,217,173,.15);color:var(--g);font-weight:600}
.qopt.wrong{border-color:var(--r);background:rgba(255,101,132,.12);color:var(--r)}
.digit-card{width:60px;height:72px;border-radius:12px;border:2px solid var(--border2);background:var(--bg3);color:var(--text);font-size:1.7rem;font-weight:800;cursor:pointer;transition:all .18s;font-family:'Vazirmatn',sans-serif}
.digit-card:hover:not(:disabled){border-color:var(--p);transform:translateY(-3px)}
.digit-card:disabled{opacity:.22;cursor:default}
.num-slot{width:56px;height:68px;border-radius:12px;border:2px dashed var(--border2);display:flex;align-items:center;justify-content:center;font-size:1.6rem;font-weight:800;background:var(--card);color:var(--text3)}
.num-slot.filled{border-style:solid;border-color:var(--p);color:var(--p)}
/* ── AVATAR PICKER ── */
.av-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:1rem 0 1.4rem}
.av-item{
  aspect-ratio:1;border-radius:18px;border:3px solid var(--border);
  background:#F8F9FF;display:flex;flex-direction:column;align-items:center;
  justify-content:center;cursor:pointer;transition:all .25s;font-size:2.2rem;
  gap:4px;
}
.av-item:hover{border-color:var(--p);transform:scale(1.08);box-shadow:0 6px 20px rgba(108,99,255,.2)}
.av-item.sel{border-color:var(--p);background:var(--p3);transform:scale(1.08);box-shadow:0 6px 20px rgba(108,99,255,.25)}
.av-item span{font-size:.65rem;color:var(--text2);font-weight:600}
/* sidebar avatar ring */
.av-ring{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:1.35rem;
  border:2.5px solid var(--border2);background:#F4F6FF;
}
/* ── FRACTION DISPLAY ── */
.frac{
  display:inline-flex;flex-direction:column;align-items:center;
  vertical-align:middle;margin:0 3px;font-weight:700;line-height:1.1;
}
.frac .num{border-bottom:1.5px solid currentColor;padding:0 3px;font-size:.9em;}
.frac .den{padding:0 3px;font-size:.9em;}
.frac-inline{font-weight:600}
/* عدد مخلوط */
.mixed{display:inline-flex;align-items:center;gap:3px;vertical-align:middle}
.mixed .whole{font-weight:700}

/* ── LEADERBOARD ── */
.lb-wrap{background:#fff;border:1.5px solid var(--border);border-radius:20px;overflow:hidden;box-shadow:var(--shadow2)}
.lb-header{background:linear-gradient(135deg,#2D2A7B,#6C63FF);padding:1.25rem 1.5rem;color:#fff;display:flex;align-items:center;justify-content:space-between}
.lb-header h3{font-size:1.05rem;font-weight:800;margin:0}
.lb-tabs{display:flex;gap:4px;background:rgba(255,255,255,.15);border-radius:8px;padding:3px}
.lb-tab{padding:5px 12px;border-radius:6px;border:none;background:transparent;color:rgba(255,255,255,.7);font-family:'Vazirmatn',sans-serif;font-size:.75rem;cursor:pointer;transition:all .2s}
.lb-tab.on{background:#fff;color:var(--p);font-weight:700}
.lb-body{padding:0}
.lb-row{display:flex;align-items:center;gap:12px;padding:12px 1.25rem;border-bottom:1px solid var(--border);transition:background .15s}
.lb-row:last-child{border-bottom:none}
.lb-row:hover{background:#F8F9FF}
.lb-rank{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:.85rem;flex-shrink:0}
.lb-rank.gold{background:linear-gradient(135deg,#FFD700,#FFA500);color:#fff;box-shadow:0 3px 10px rgba(255,165,0,.4)}
.lb-rank.silver{background:linear-gradient(135deg,#C0C0C0,#A0A0A0);color:#fff}
.lb-rank.bronze{background:linear-gradient(135deg,#CD7F32,#A0522D);color:#fff}
.lb-rank.other{background:#F4F6FF;color:var(--text2)}
.lb-av{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;background:#F4F6FF}
.lb-info{flex:1}
.lb-name{font-weight:700;font-size:.88rem}
.lb-sub{font-size:.72rem;color:var(--text3)}
.lb-score{font-weight:900;font-size:1rem;color:var(--p)}
.lb-badge{font-size:.7rem;padding:2px 8px;border-radius:20px;font-weight:600}
.lb-empty{text-align:center;padding:2.5rem;color:var(--text3)}
/* prize section */
.prize-row{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1rem}
.prize-card{flex:1;min-width:100px;background:linear-gradient(135deg,var(--c1),var(--c2));border-radius:14px;padding:.85rem;text-align:center;color:#fff}
.prize-ico{font-size:1.6rem;margin-bottom:.3rem}
.prize-rank{font-size:.72rem;opacity:.85;margin-bottom:.15rem}
.prize-val{font-size:.88rem;font-weight:800}

/* ═══════════════════════════════
   چت با دینو
═══════════════════════════════ */
#dinochat-wrap{
  background:var(--card);border:1px solid var(--border);border-radius:var(--rad);
  display:flex;flex-direction:column;height:calc(100vh - 220px);min-height:400px;
  overflow:hidden;
}
#dinochat-messages{
  flex:1;overflow-y:auto;padding:1.25rem;
  display:flex;flex-direction:column;gap:.75rem;
  scroll-behavior:smooth;
}
.dc-msg{
  display:flex;gap:10px;align-items:flex-end;max-width:85%;
  animation:up .3s ease;
}
.dc-msg.user{ align-self:flex-end;flex-direction:row-reverse; }
.dc-msg.dino{ align-self:flex-start; }
.dc-av{
  width:36px;height:36px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;background:var(--bg3);
}
.dc-msg.user .dc-av{background:var(--p3);}
.dc-bubble{
  padding:10px 14px;border-radius:18px;font-size:.88rem;line-height:1.7;
  max-width:100%;word-break:break-word;
}
.dc-msg.user .dc-bubble{
  background:linear-gradient(135deg,var(--p),var(--p2));
  color:#fff;border-radius:18px 18px 4px 18px;
}
.dc-msg.dino .dc-bubble{
  background:#fff;border:1.5px solid var(--border);
  color:var(--text);border-radius:18px 18px 18px 4px;
}
.dc-msg.dino.thinking .dc-bubble{
  color:var(--text3);font-style:italic;
}
#dinochat-input-row{
  display:flex;gap:.5rem;padding:.85rem 1rem;
  border-top:1px solid var(--border);background:var(--bg2);
}
#dinochat-inp{
  flex:1;padding:10px 14px;background:var(--bg3);
  border:1.5px solid var(--border);border-radius:50px;
  color:var(--text);font-family:Vazirmatn,sans-serif;font-size:.9rem;
  outline:none;transition:border-color .2s;
}
#dinochat-inp:focus{border-color:var(--p);}
#dinochat-inp::placeholder{color:var(--text3);}
#dinochat-send{
  padding:10px 20px;border-radius:50px;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--p),var(--p2));
  color:#fff;font-family:Vazirmatn,sans-serif;font-size:.88rem;font-weight:700;
  transition:all .2s;white-space:nowrap;
}
#dinochat-send:hover{opacity:.9;transform:scale(1.03);}
#dinochat-send:disabled{opacity:.5;cursor:not-allowed;transform:none;}

/* ═══════════════════════════════
   انیمیشن صفحه اصلی — CSS خالص
═══════════════════════════════ */
html { scroll-behavior: smooth; }
.main { scroll-behavior: smooth; }

/* انیمیشن ورود کارت‌های features */
.feature-card {
  animation: card-rise .6s ease both;
}
.feature-card:nth-child(1){animation-delay:.05s}
.feature-card:nth-child(2){animation-delay:.15s}
.feature-card:nth-child(3){animation-delay:.25s}
.feature-card:nth-child(4){animation-delay:.35s}
.feature-card:nth-child(5){animation-delay:.45s}
.feature-card:nth-child(6){animation-delay:.55s}
@keyframes card-rise{
  from{opacity:0;transform:translateY(30px)}
  to{opacity:1;transform:translateY(0)}
}

/* انیمیشن اول بار برای section titleها */
.section-title,.section-sub,.sub-title,.sub-desc{
  animation:fade-in-up .7s ease both;
}
@keyframes fade-in-up{
  from{opacity:0;transform:translateY(20px)}
  to{opacity:1;transform:translateY(0)}
}

/* ════════════════════════════════════════════════
   ✨ لایه‌ی انیمیشن و جذابیت بصری (نسخه‌ی متعادل)
   افزوده‌شده برای روان‌تر و حرفه‌ای‌تر شدن سایت
════════════════════════════════════════════════ */

/* ── ترنزیشن نرم سراسری روی المان‌های تعاملی ── */
.scard,.subj-card,.chap-card,.teacher-card,.lb-row,.st-row,.feature-card,
.about-card,.nav-item,.btn-add,.btn-sm,.btn-login,.cta-main,.cta-ghost,
.nav-btn,.qopt,.pv-opt,.nb-digit,.ltab,.tab,.sub-plan,.tc-code{
  transition:transform .22s cubic-bezier(.34,1.56,.64,1),
             box-shadow .25s ease, border-color .25s ease, background-color .25s ease, color .2s ease;
  will-change:transform;
}

/* ── ورود نرم محتوای هر بخش ── */
.sec-anim{animation:sec-in .42s cubic-bezier(.22,.61,.36,1) both}
@keyframes sec-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}

/* ── ورود پلکانی کارت‌ها وقتی بخش باز می‌شود ── */
.sec.on .g4>*,.sec.on .g3>*,.sec.on .g2>*,
.sec.on #subjects-grid>*,.sec.on #teachers-list .g3>*,
.sec.on #lock-list>*,.sec.on #my-students-list>*,
#math-view .chap-card{
  animation:rise-stagger .5s ease both;
}
@keyframes rise-stagger{from{opacity:0;transform:translateY(18px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
/* تاخیر پلکانی */
.sec.on .g4>*:nth-child(1),.sec.on .g3>*:nth-child(1),.sec.on .g2>*:nth-child(1),.sec.on #subjects-grid>*:nth-child(1),#math-view .chap-card:nth-child(1){animation-delay:.04s}
.sec.on .g4>*:nth-child(2),.sec.on .g3>*:nth-child(2),.sec.on .g2>*:nth-child(2),.sec.on #subjects-grid>*:nth-child(2),#math-view .chap-card:nth-child(2){animation-delay:.10s}
.sec.on .g4>*:nth-child(3),.sec.on .g3>*:nth-child(3),.sec.on #subjects-grid>*:nth-child(3),#math-view .chap-card:nth-child(3){animation-delay:.16s}
.sec.on .g4>*:nth-child(4),.sec.on .g3>*:nth-child(4),.sec.on #subjects-grid>*:nth-child(4),#math-view .chap-card:nth-child(4){animation-delay:.22s}
.sec.on #subjects-grid>*:nth-child(5),#math-view .chap-card:nth-child(5){animation-delay:.28s}
.sec.on #subjects-grid>*:nth-child(6),#math-view .chap-card:nth-child(6){animation-delay:.34s}
#math-view .chap-card:nth-child(n+7){animation-delay:.40s}

/* ── هاور کارت‌های تعاملی ── */
.subj-card:hover,.chap-card:not(.lock):hover{transform:translateY(-6px) scale(1.015)}
.scard:hover{transform:translateY(-5px)}
.lb-row:hover{transform:translateX(-4px)}
.feature-card:hover{transform:translateY(-6px)}

/* درخشش ملایم لبه‌ی کارت امتیاز هنگام هاور */
.scard{position:relative;overflow:hidden}
.scard::after{
  content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(135deg,rgba(108,99,255,.10),transparent 45%);
  opacity:0;transition:opacity .3s ease;
}
.scard:hover::after{opacity:1}

/* ── آیتم‌های منو: نوار رنگی کنار + لغزش ── */
.nav-item{position:relative;overflow:hidden}
.nav-item::before{
  content:'';position:absolute;right:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:62%;border-radius:3px;background:var(--p);transition:transform .25s ease;
}
.nav-item.on::before{transform:translateY(-50%) scaleY(1)}
.nav-item:hover{transform:translateX(-3px)}
.nav-item .nav-ico{transition:transform .25s ease}
.nav-item:hover .nav-ico,.nav-item.on .nav-ico{transform:scale(1.18)}

/* ── دکمه‌ها: بازخورد فشار + درخشش روی دکمه‌ی اصلی ── */
.btn-add:active,.btn-login:active,.cta-main:active,.nav-btn:active,.btn-sm:active,.sub-submit:active{transform:scale(.96)}
.btn-add,.btn-login,.cta-main,.sub-submit{position:relative;overflow:hidden}
.btn-add::before,.btn-login::before,.cta-main::before,.sub-submit::before{
  content:'';position:absolute;top:0;left:-130%;width:60%;height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-20deg);transition:left .6s ease;
}
.btn-add:hover::before,.btn-login:hover::before,.cta-main:hover::before,.sub-submit:hover::before{left:140%}

/* ── نوار پیشرفت: درخشش متحرک ── */
.prog-fill,.round-fill{position:relative;overflow:hidden}
.prog-fill::after,.round-fill::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.45),transparent);
  transform:translateX(-100%);animation:prog-shine 2.2s ease-in-out infinite;
}
@keyframes prog-shine{0%{transform:translateX(-100%)}60%,100%{transform:translateX(200%)}}

/* ── گزینه‌های آزمون و بازی: بازخورد لمسی ── */
.qopt:active,.pv-opt:active{transform:scale(.97)}
.qopt:hover,.pv-opt:hover{transform:translateX(-3px)}
.nb-digit:hover:not(:disabled){transform:translateY(-3px)}
.nb-digit:active:not(:disabled){transform:scale(.9)}

/* ── تب‌های درس: زیرخط لغزان ── */
.ltab{position:relative}
.ltab::after{
  content:'';position:absolute;bottom:-2px;right:50%;width:0;height:3px;border-radius:3px;
  background:var(--p);transition:width .25s ease,right .25s ease;
}
.ltab.on::after{width:60%;right:20%}

/* ── کارت معلم/دانش‌آموز: بالا آمدن نرم ── */
.teacher-card:hover{transform:translateY(-4px)}
.st-row:hover{transform:translateX(-3px)}

/* ── هیرو لندینگ: ورود تدریجی ── */
.hero-text{animation:fade-in-up .7s ease both}
.hero-profile{animation:fade-in-up .7s .15s ease both}
.stat-item{animation:fade-in-up .6s ease both}
.stat-item:nth-child(2){animation-delay:.08s}
.stat-item:nth-child(3){animation-delay:.16s}
.stat-item:nth-child(4){animation-delay:.24s}

/* ── ورود مودال نرم‌تر ── */
.modal-wrap.on .modal-box{animation:modal-pop .3s cubic-bezier(.34,1.56,.64,1) both}
@keyframes modal-pop{from{opacity:0;transform:translateY(24px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}

/* ── احترام به ترجیح کاربر برای کاهش حرکت ── */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
}

/* ═══════════════════════════════════════════
   ✨ پولیش بصری و انیمیشن‌های اضافه (نسخه‌ی تمیزشده)
   ═══════════════════════════════════════════ */

/* ── ورود پلکانی آیتم‌های منوی کناری ── */
.sb-nav .nav-item{animation:nav-slide .4s ease both}
.sb-nav .nav-item:nth-child(1){animation-delay:.04s}
.sb-nav .nav-item:nth-child(2){animation-delay:.09s}
.sb-nav .nav-item:nth-child(3){animation-delay:.14s}
.sb-nav .nav-item:nth-child(4){animation-delay:.19s}
.sb-nav .nav-item:nth-child(5){animation-delay:.24s}
.sb-nav .nav-item:nth-child(6){animation-delay:.29s}
.sb-nav .nav-item:nth-child(7){animation-delay:.34s}
@keyframes nav-slide{from{opacity:0;transform:translateX(18px)}to{opacity:1;transform:translateX(0)}}
.nav-item{transition:background .2s,color .2s,transform .15s}
.nav-item:hover{transform:translateX(-3px)}
.nav-item.on .nav-ico{animation:ico-bounce .4s ease}
@keyframes ico-bounce{0%,100%{transform:scale(1)}40%{transform:scale(1.25)}}

/* ── کارت‌های آماری: درخشش هنگام هاور ── */
.scard{transition:transform .25s,box-shadow .25s,border-color .25s}
.scard:hover{transform:translateY(-5px);box-shadow:0 14px 36px rgba(108,99,255,.20)}
.scard:hover .scard-ico{animation:ico-pop .45s ease}
@keyframes ico-pop{0%{transform:scale(1)}50%{transform:scale(1.22) rotate(-6deg)}100%{transform:scale(1)}}

/* ── کارت درس‌ها/فصل‌ها: درخشش لغزان ── */
.subj-card,.chap-card{position:relative;overflow:hidden}
.subj-card::before,.chap-card::before{
  content:'';position:absolute;top:0;right:-120%;width:60%;height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-18deg);transition:right .6s ease;pointer-events:none;
}
.subj-card:hover::before,.chap-card:hover::before{right:130%}
.subj-card:hover .subj-ico{animation:ico-pop .5s ease}

/* ── دکمه‌های اصلی: موج درخشش هنگام هاور ── */
.btn-add,.btn-login,.cta-main,.sub-submit,.btn-main{position:relative;overflow:hidden}
.btn-add::after,.btn-login::after,.cta-main::after,.sub-submit::after,.btn-main::after{
  content:'';position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;
  background:rgba(255,255,255,.35);transform:translate(-50%,-50%);transition:width .5s,height .5s;
}
.btn-add:hover::after,.btn-login:hover::after,.cta-main:hover::after,.sub-submit:hover::after,.btn-main:hover::after{width:320px;height:320px}

/* ── گزینه‌های بازی/آزمون: فشردن و تپش درست/غلط ── */
.pv-opt{transition:transform .12s,border-color .2s,background .2s,color .2s}
.pv-opt:active{transform:scale(.96)}
.pv-opt.correct{animation:opt-correct .5s ease}
.pv-opt.wrong{animation:opt-wrong .45s ease}
@keyframes opt-correct{0%{transform:scale(1)}40%{transform:scale(1.06)}100%{transform:scale(1)}}
@keyframes opt-wrong{0%,100%{transform:translateX(0)}20%{transform:translateX(-6px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}

/* ── نوار بازخورد: ورود نرم ── */
.fb-bar.fb-ok,.fb-bar.fb-bad{animation:fb-in .35s ease both}
@keyframes fb-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ── ردیف‌های تابلوی رتبه‌بندی: ورود پلکانی ── */
.lb-row{animation:lb-in .4s ease both}
.lb-row:nth-child(1){animation-delay:.03s}
.lb-row:nth-child(2){animation-delay:.08s}
.lb-row:nth-child(3){animation-delay:.13s}
.lb-row:nth-child(4){animation-delay:.18s}
.lb-row:nth-child(5){animation-delay:.23s}
@keyframes lb-in{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
.lb-row .lb-rank.gold{animation:rank-shine 2.2s ease-in-out infinite}
@keyframes rank-shine{0%,100%{filter:drop-shadow(0 0 0 transparent)}50%{filter:drop-shadow(0 0 8px rgba(255,184,0,.7))}}

/* ── دکمه‌ی بازگشت: حرکت ملایم پیکان ── */
.back-btn{transition:border-color .2s,color .2s,transform .15s}
.back-btn:hover{transform:translateX(4px)}

/* ── تب‌های درس: ورود ── */
.lesson-tabs .ltab{transition:background .2s,color .2s,transform .12s}
.lesson-tabs .ltab:active{transform:scale(.96)}

/* ── کارت‌های ویژگی لندینگ: درخشش آیکن هنگام هاور ── */
.feature-card:hover .feature-card-ico{animation:ico-pop .5s ease}

/* ── لوگوی هیرو: تپش ملایم ── */
.hero-logo-ico{animation:logo-glow 3s ease-in-out infinite}
@keyframes logo-glow{0%,100%{box-shadow:0 0 0 transparent}50%{box-shadow:0 0 18px rgba(0,200,150,.55)}}

/* ═══════════════════════════════════════════
   📚 استایل محتوای آموزش و بازی (کلاس‌های گمشده)
   این‌ها قبلاً استفاده می‌شدند ولی تعریف نشده بودند
   ═══════════════════════════════════════════ */
.learn-section{margin-bottom:1.4rem;animation:fadein .45s ease both}
.learn-title{font-size:1.2rem;font-weight:800;color:var(--p);margin-bottom:.9rem;display:flex;align-items:center;gap:.4rem;flex-wrap:wrap}
.learn-box{background:var(--card);border:1px solid var(--border);border-radius:var(--rad);padding:1.1rem 1.3rem;margin-bottom:.9rem;line-height:2;box-shadow:var(--shadow)}
.learn-box p{margin:.55rem 0;line-height:2;color:var(--text2)}
.learn-sub{font-weight:800;font-size:1rem;margin-bottom:.55rem;color:var(--text)}
.math-box{background:var(--p3);border:1.5px dashed var(--border2);border-radius:var(--radsm);padding:.75rem 1rem;margin:.65rem 0;font-weight:800;text-align:center;color:var(--p2);font-size:1.03rem;line-height:1.9}

/* کارت سؤال بازی */
.pv-wrap{background:var(--card);border:1px solid var(--border);border-radius:var(--rad);padding:1.3rem;box-shadow:var(--shadow);animation:fadein .3s ease both}
.pv-q{font-size:1.08rem;font-weight:700;margin-bottom:1.1rem;line-height:1.95;color:var(--text)}

/* نوار پیشرفت بازی/آزمون */
.quiz-prog{height:9px;background:var(--bg3);border-radius:6px;overflow:hidden;margin-bottom:1.1rem}
.quiz-prog-fill{height:100%;background:linear-gradient(90deg,var(--p),var(--g));border-radius:6px;transition:width .45s cubic-bezier(.4,1.4,.5,1)}

/* شکل‌های SVG داخل سؤال‌ها (فصل تقارن) */
.shape-svg{display:block;margin:0 auto 1rem;background:var(--card2);border:1px solid var(--border);border-radius:var(--radsm)}

/* شبکه‌ی بازی آینه‌ای (تقارن) */
.mir-grid{display:grid;gap:3px;justify-content:center;margin:1rem auto;width:max-content;direction:ltr}
.mir-cell{width:30px;height:30px;border-radius:6px;background:var(--bg3);border:1.5px solid var(--border);cursor:pointer;transition:transform .1s,background .15s}
.mir-cell:active{transform:scale(.9)}
.mir-cell.fixed{cursor:default}
.mir-cell.axis{background:var(--p);border-color:var(--p);cursor:default;border-radius:2px;width:6px}
.mir-cell.lit{background:linear-gradient(135deg,var(--p),var(--g));border-color:var(--p2)}
.mir-cell.target-ok{background:linear-gradient(135deg,var(--g),var(--g2));border-color:var(--g2)}
.mir-cell.target-bad{background:var(--r);border-color:var(--r)}
@media(max-width:560px){.mir-cell{width:24px;height:24px}.mir-cell.axis{width:5px}}

/* ═══════════════════════════════════════════
   🦆 بازی مسابقه‌ی اردک‌ها (Duck Race)
   ═══════════════════════════════════════════ */
.duck-home-hero{background:linear-gradient(135deg,#4aa8e0,#6C63FF);border-radius:var(--rad);padding:1.5rem;color:#fff;text-align:center;position:relative;overflow:hidden;margin-bottom:1rem}
.duck-home-hero h2{font-size:1.5rem;font-weight:900;margin-bottom:.3rem}
.duck-home-hero p{opacity:.9;font-size:.9rem}
.duck-home-hero .big-duck{font-size:3rem;animation:bob 2.5s ease-in-out infinite;margin-bottom:.4rem}

.river-world{
  position:relative;height:240px;border-radius:18px;overflow:hidden;direction:ltr;
  background:linear-gradient(180deg,#cdeeff 0%,#8fd0f2 30%,#4aa8e0 70%,#2a86c4 100%);
  box-shadow:inset 0 -24px 50px rgba(0,60,120,.25), inset 0 12px 30px rgba(255,255,255,.4);
  margin-bottom:1rem;
}
@media(max-width:560px){.river-world{height:200px}}
.river-track{position:absolute;top:0;left:0;height:100%;transition:transform .6s cubic-bezier(.25,1,.4,1)}
/* موج‌های متحرک روی آب */
.river-wave{position:absolute;left:0;right:0;height:100%;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.12) 0 18px,transparent 18px 60px);
  animation:river-flow 3s linear infinite;opacity:.6}
@keyframes river-flow{from{background-position:0 0}to{background-position:-60px 0}}
.river-shine{position:absolute;top:0;left:0;right:0;height:38%;background:linear-gradient(180deg,rgba(255,255,255,.35),transparent);pointer-events:none}

/* اردک‌ها */
.river-duck{position:absolute;transition:left .6s cubic-bezier(.25,1,.4,1);transform:translateY(-50%);will-change:left}
.river-duck.player{z-index:20;filter:drop-shadow(0 6px 8px rgba(0,0,0,.25))}
.river-duck.ghost{z-index:10;opacity:.78}
.river-duck .dname{
  position:absolute;top:-18px;left:50%;transform:translateX(-50%);
  font-size:.62rem;font-weight:700;color:#fff;background:rgba(0,0,0,.35);
  padding:1px 7px;border-radius:8px;white-space:nowrap;font-family:'Vazirmatn',sans-serif;
}
.river-duck.player .dname{background:var(--p)}
.river-duck .wake{position:absolute;bottom:2px;left:-14px;width:18px;height:8px;border-radius:50%;
  background:rgba(255,255,255,.55);animation:wake 1s ease-in-out infinite}
@keyframes wake{0%,100%{opacity:.4;transform:scaleX(1)}50%{opacity:.8;transform:scaleX(1.4)}}

/* نشانه‌های مسیر (پرچم فاصله، نیلوفر) */
.river-flag{position:absolute;bottom:6px;font-size:.6rem;color:#fff;font-weight:700;text-align:center;width:30px;transform:translateX(-50%)}
.river-flag::before{content:'🚩';display:block;font-size:1rem}
.river-lily{position:absolute;font-size:1.3rem;opacity:.85;transform:translateY(-50%)}
.river-finish{position:absolute;top:0;bottom:0;width:8px;background:repeating-linear-gradient(45deg,#222 0 8px,#fff 8px 16px)}

/* HUD */
.duck-hud{display:flex;gap:.6rem;margin-bottom:.6rem}
.duck-hud .hud-card{flex:1;background:var(--card);border:1px solid var(--border);border-radius:var(--radsm);padding:.55rem;text-align:center}
.duck-hud .hud-v{font-size:1.2rem;font-weight:900;color:var(--p)}
.duck-hud .hud-l{font-size:.66rem;color:var(--text3)}

/* صفحه‌ی سؤال بازی اردک */
.duck-q-card{background:var(--card);border:1px solid var(--border);border-radius:var(--rad);padding:1.1rem 1.2rem;box-shadow:var(--shadow);animation:fadein .3s ease both}
.duck-mini-lb{background:var(--card);border:1px solid var(--border);border-radius:var(--rad);padding:1rem 1.2rem;margin-top:1rem}
.duck-lb-row{display:flex;align-items:center;gap:10px;padding:7px 0;border-bottom:1px solid rgba(108,99,255,.07);font-size:.85rem}
.duck-lb-row:last-child{border-bottom:none}
.duck-lb-rank{width:24px;height:24px;border-radius:50%;background:var(--bg3);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.75rem;flex-shrink:0}

/* انتخابِ آواتارِ بازی اردک */
.av-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(95px,1fr));gap:.75rem;margin-top:1rem}
.av-cell{background:var(--card);border:2px solid var(--border);border-radius:var(--rad);padding:.85rem .5rem;text-align:center;cursor:pointer;transition:all .2s}
.av-cell:hover{border-color:var(--p);transform:translateY(-3px)}
.av-cell.sel{border-color:var(--p);background:var(--p3);box-shadow:0 4px 14px rgba(108,99,255,.25)}
.av-art{height:70px;display:flex;align-items:center;justify-content:center;margin-bottom:.4rem}
.av-name{font-size:.78rem;font-weight:700;color:var(--text2)}
.duck-av-bar{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:var(--radsm);padding:.6rem .9rem;margin-bottom:.85rem}
.duck-av-show{width:48px;height:48px;display:flex;align-items:center;justify-content:center}

/* ═══════════════════════════════════════════
   😴 بازی داینوی خوابالو (Sleepy Dino — noise meter)
   ═══════════════════════════════════════════ */
.game-pick{background:var(--card);border:1px solid var(--border);border-radius:var(--rad);padding:1.4rem 1rem;text-align:center;cursor:pointer;transition:all .25s;box-shadow:var(--shadow)}
.game-pick:hover{transform:translateY(-4px);border-color:var(--p);box-shadow:var(--shadow2)}
.game-pick .gp-ico{font-size:2.6rem;margin-bottom:.5rem}
.game-pick .gp-name{font-size:1.05rem;font-weight:800;margin-bottom:.25rem}
.game-pick .gp-desc{font-size:.78rem;color:var(--text3);line-height:1.7}

.sleepy-scene{
  position:relative;height:320px;border-radius:20px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  transition:background .7s ease; margin-bottom:1rem;
  box-shadow:inset 0 -30px 60px rgba(0,0,0,.25);
}
.sleepy-scene.s-sleep{background:linear-gradient(180deg,#15173f 0%,#2b2e6e 55%,#3a3e9c 100%)}
.sleepy-scene.s-stir{background:linear-gradient(180deg,#3a2c5a 0%,#7a5a2d 65%,#c98a2e 100%)}
.sleepy-scene.s-angry{background:linear-gradient(180deg,#5e1414 0%,#a51e1e 55%,#e23b3b 100%)}
@media(max-width:560px){.sleepy-scene{height:270px}}
.sleepy-moon{position:absolute;top:22px;right:28px;font-size:2.3rem;transition:opacity .6s,transform .6s}
.sleepy-scene.s-angry .sleepy-moon{opacity:0;transform:scale(.5)}
.sleepy-stars{position:absolute;inset:0;pointer-events:none;transition:opacity .6s}
.sleepy-scene.s-angry .sleepy-stars{opacity:0}
.sleepy-star{position:absolute;color:#fff;opacity:.85;animation:twinkle 2.5s ease-in-out infinite}
@keyframes twinkle{0%,100%{opacity:.25}50%{opacity:.9}}
.sleepy-dino-wrap{position:relative;z-index:3;width:210px;max-width:62%}
.sleepy-dino-wrap svg{width:100%;height:auto;display:block;filter:drop-shadow(0 10px 14px rgba(0,0,0,.3))}
.sleepy-breathe{animation:s-breathe 3.2s ease-in-out infinite;transform-origin:center bottom}
@keyframes s-breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.045)}}
.sleepy-shake{animation:s-shake .22s ease-in-out infinite}
@keyframes s-shake{0%,100%{transform:translateX(0) rotate(0)}25%{transform:translateX(-5px) rotate(-3deg)}75%{transform:translateX(5px) rotate(3deg)}}
.sleepy-zzz{position:absolute;top:-4px;left:62%;z-index:4;pointer-events:none}
.sleepy-zzz span{position:absolute;color:#fff;font-weight:900;font-size:1.2rem;opacity:0;animation:zzz-up 3s ease-in-out infinite}
.sleepy-zzz span:nth-child(2){font-size:1rem;animation-delay:1s}
.sleepy-zzz span:nth-child(3){font-size:.85rem;animation-delay:2s}
@keyframes zzz-up{0%{opacity:0;transform:translateY(6px) translateX(0)}25%{opacity:1}100%{opacity:0;transform:translateY(-46px) translateX(18px)}}
.sleepy-flash{position:absolute;inset:0;background:#fff;opacity:0;z-index:5;pointer-events:none}
.sleepy-flash.on{animation:s-flash .5s ease}
@keyframes s-flash{0%{opacity:.85}100%{opacity:0}}
.sleepy-state-txt{position:absolute;bottom:12px;left:0;right:0;text-align:center;color:#fff;font-weight:800;font-size:1.05rem;z-index:4;text-shadow:0 2px 8px rgba(0,0,0,.5)}

/* مترها و کنترل‌ها */
.sleepy-hud{display:flex;gap:.6rem;margin-bottom:.8rem}
.sleepy-hud .hud-card{flex:1;background:var(--card);border:1px solid var(--border);border-radius:var(--radsm);padding:.55rem;text-align:center}
.sleepy-hud .hud-v{font-size:1.25rem;font-weight:900;color:var(--p)}
.sleepy-hud .hud-l{font-size:.66rem;color:var(--text3)}
.sleepy-label{font-size:.82rem;font-weight:700;color:var(--text2);margin:.6rem 0 .25rem;display:flex;justify-content:space-between}
.sleepy-meter{height:16px;background:var(--bg3);border-radius:9px;overflow:hidden;position:relative}
.sleepy-meter-fill{height:100%;border-radius:9px;width:0%;transition:width .09s linear}
.sleepy-thr{position:absolute;top:-3px;bottom:-3px;width:3px;background:#1A1B3A;border-radius:2px;z-index:2;box-shadow:0 0 0 1px #fff}
.sleepy-sens-row{display:flex;align-items:center;gap:10px;margin-top:.8rem}
.sleepy-sens-row input[type=range]{flex:1;accent-color:var(--p)}

/* ═══════════════════════════════════════════
   🎡 چرخِ شانسِ کلاس (Random Student Picker)
   ═══════════════════════════════════════════ */
.wheel-stage{position:relative;width:min(84vw,370px);height:min(84vw,370px);margin:1.25rem auto;}
.wheel-spinbox{width:100%;height:100%;border-radius:50%;
  transition:transform 5s cubic-bezier(.16,.84,.2,1);
  box-shadow:0 14px 44px rgba(0,0,0,.20), 0 0 0 9px #fff, 0 0 0 14px var(--p);
}
.wheel-spinbox svg{display:block;width:100%;height:100%}
.wheel-pointer{position:absolute;top:-10px;left:50%;transform:translateX(-50%);z-index:5;
  width:0;height:0;border-left:16px solid transparent;border-right:16px solid transparent;
  border-top:30px solid var(--r);filter:drop-shadow(0 3px 3px rgba(0,0,0,.3));}
.wheel-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:6;
  width:84px;height:84px;border-radius:50%;background:#fff;border:5px solid var(--p);
  display:flex;align-items:center;justify-content:center;flex-direction:column;
  font-weight:900;color:var(--p);cursor:pointer;box-shadow:0 5px 16px rgba(0,0,0,.22);
  font-size:.9rem;text-align:center;transition:transform .15s;line-height:1.15;}
.wheel-center:hover{transform:translate(-50%,-50%) scale(1.07)}
.wheel-center.spinning{pointer-events:none;opacity:.65}
.wheel-center .wc-emoji{font-size:1.4rem}

.picker-result{text-align:center;margin-top:.5rem;min-height:30px}
.picker-winner{display:inline-flex;align-items:center;gap:12px;background:linear-gradient(135deg,var(--p),var(--g));
  color:#fff;padding:14px 26px;border-radius:50px;font-size:1.3rem;font-weight:900;
  box-shadow:0 8px 26px rgba(108,99,255,.4);animation:winner-pop .5s cubic-bezier(.34,1.56,.64,1) both;}
@keyframes winner-pop{0%{transform:scale(.4);opacity:0}100%{transform:scale(1);opacity:1}}

.picker-controls{display:flex;gap:.6rem;flex-wrap:wrap;justify-content:center;margin-top:1rem}
.picker-toggle{display:inline-flex;align-items:center;gap:7px;background:var(--card);border:1px solid var(--border);
  border-radius:50px;padding:8px 16px;font-size:.83rem;cursor:pointer;user-select:none;transition:all .2s}
.picker-toggle.on{background:var(--p3);border-color:var(--p);color:var(--p);font-weight:700}
.picker-count{text-align:center;font-size:.82rem;color:var(--text3);margin-top:.5rem}

.confetti-pc{position:absolute;top:-24px;z-index:30;border-radius:2px;pointer-events:none;
  animation:conf-fall linear forwards}
@keyframes conf-fall{to{transform:translateY(440px) rotate(900deg);opacity:.15}}

.picker-names-box{background:var(--card);border:1px solid var(--border);border-radius:var(--rad);padding:1.1rem;margin-top:1rem}
.picker-names-box textarea{width:100%;min-height:130px;resize:vertical;background:var(--bg3);
  border:1.5px solid var(--border);border-radius:var(--radsm);color:var(--text);
  font-family:'Vazirmatn',sans-serif;font-size:.9rem;padding:10px 13px;outline:none;line-height:2}
.picker-names-box textarea:focus{border-color:var(--p)}

/* ── جدولِ داخلِ درس (learn-tbl) ── */
.learn-tbl{width:100%;border-collapse:collapse;margin-top:.5rem;font-size:.82rem}
.learn-tbl th{background:rgba(108,99,255,.16);color:var(--text);padding:8px 6px;text-align:center;font-weight:700;border:1px solid var(--border);white-space:nowrap}
.learn-tbl td{padding:8px 6px;text-align:center;border:1px solid var(--border);color:var(--text2)}
.learn-tbl td:first-child{text-align:right;color:var(--text);font-weight:600;white-space:nowrap}
.learn-tbl tr:nth-child(even) td{background:rgba(255,255,255,.02)}

/* ── 🦆 مسابقه‌ی اردک‌ها ── */
.dp-river{
  position:relative;
  background:linear-gradient(180deg,#1a3a5c 0%,#16314d 100%);
  border:2px solid rgba(116,185,255,.3);
  border-radius:16px;
  padding:10px 10px 10px 12px;
  overflow:hidden;
}
.dp-river::before{
  content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,transparent,transparent 28px,rgba(255,255,255,.03) 28px,rgba(255,255,255,.03) 56px);
  pointer-events:none;
}
.dp-finish{
  position:absolute;top:0;bottom:0;right:8px;width:14px;
  background:
    repeating-linear-gradient(45deg,#fff 0 6px,#222 6px 12px);
  opacity:.85;border-radius:3px;z-index:1;
}
.dp-finish-flag{position:absolute;top:2px;right:6px;font-size:18px;z-index:2}
.dp-lane{
  position:relative;display:flex;align-items:center;gap:8px;
  margin-bottom:4px;
}
.dp-lane:last-child{margin-bottom:0}
.dp-namebox{
  flex-shrink:0;width:88px;
  color:#fff;font-weight:700;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  text-shadow:0 1px 3px rgba(0,0,0,.5);
}
.dp-track{
  position:relative;flex:1;height:100%;
  border-bottom:1px dashed rgba(255,255,255,.12);
}
.dp-duck{
  position:absolute;left:0;top:50%;
  transform:translateX(0);
  margin-top:-19px;
  will-change:transform;
  filter:drop-shadow(0 3px 4px rgba(0,0,0,.35));
}
.dp-duck svg{display:block;width:100%;height:auto}
.dp-win-card{animation:up .4s ease both}

/* کانفِتی */
.dp-confetti{
  position:absolute;top:-10px;width:9px;height:14px;border-radius:2px;
  opacity:.9;z-index:50;pointer-events:none;
  animation:dp-fall linear forwards;
}
@keyframes dp-fall{
  0%{transform:translateY(0) rotate(0);opacity:1}
  100%{transform:translateY(420px) rotate(540deg);opacity:0}
}

/* ── 📅 بودجه‌بندیِ هفتگی ── */
.bdg-row{
  display:flex;align-items:center;gap:8px;
  padding:11px 12px;border-radius:10px;
  background:var(--bg3);border:1px solid var(--border);
  margin-bottom:7px;transition:all .15s;
}
.bdg-row:hover{border-color:var(--border2)}
.bdg-done{opacity:.62}
.bdg-done .bdg-title{text-decoration:line-through;color:var(--text3)}

/* ── 🗓️ حضور و غیاب ── */
.att-row{display:flex;align-items:center;gap:10px;padding:9px 8px;border-bottom:1px solid rgba(255,255,255,.04)}
.att-row:last-child{border-bottom:none}
.att-btns{display:flex;gap:5px;flex-wrap:wrap}
@media(max-width:560px){ .att-lbl{display:none} .att-btns button{padding:7px 9px!important} }

/* ── 👨‍👩‍👧 پنل والدین ── */
.parent-hero{
  background:linear-gradient(135deg,#6C63FF 0%,#4B44CC 60%,#FF4F7B 130%);
  border-radius:16px;padding:1.5rem;color:#fff;margin-bottom:1.25rem;text-align:center;
}
.parent-hero h2{font-size:1.4rem;font-weight:900;margin-bottom:.3rem}
.parent-hero p{font-size:.85rem;opacity:.85}