:root{
  --bg:#f2fdf7;
  --card:#ffffff;
  --ink:#1f2a37;
  --muted:#64748b;
  --green:#58cc02;
  --blue:#1cb0f6;
  --orange:#ff9600;
  --red:#ff4b4b;
  --shadow: 0 14px 40px rgba(15,23,42,.10);
  --radius:22px;
  --ring: rgba(88,204,2,.22);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-rounded, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(28,176,246,.22), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(255,150,0,.18), transparent 60%),
    radial-gradient(900px 500px at 50% 110%, rgba(88,204,2,.16), transparent 60%),
    var(--bg);
  color:var(--ink);
}

.app{max-width:980px;margin:0 auto;padding:14px}
.hidden{display:none !important}
.small{font-size:12px}
.muted{color:var(--muted)}

.top{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 6px;
}
.brand{display:flex;align-items:center;gap:10px}
.logo{width:44px;height:44px;border-radius:16px;background:rgba(88,204,2,.12);display:grid;place-items:center;font-size:22px}
.title{font-weight:900;font-size:18px}
.subtitle{font-size:12px;color:var(--muted);margin-top:2px}

.top-actions{display:flex;gap:10px;flex-wrap:wrap}

.btn{
  border:none;
  padding:12px 14px;
  border-radius:16px;
  cursor:pointer;
  font-weight:900;
  background:rgba(31,42,55,.06);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0px)}
.btn.ghost{background:rgba(31,42,55,.05)}
.btn.primary{
  background:linear-gradient(180deg,#68e90a,#4fbf01);
  color:#07320a;
  box-shadow: 0 10px 20px rgba(88,204,2,.25);
}
.btn.primary:disabled{opacity:.5;cursor:not-allowed}

.card{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px;
  border: 1px solid rgba(15,23,42,.06);
}

.card-head{display:flex;flex-direction:column;gap:8px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  width:max-content;
  background:rgba(28,176,246,.12);
  color:#0b6b93;
  padding:6px 10px;
  border-radius:999px;
  font-weight:900;
  font-size:12px;
}
h1,h2{margin:0}
h1{font-size:30px}
h2{font-size:22px}

.login-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:12px;
  margin-top:14px;
}
@media (max-width:820px){ .login-grid{grid-template-columns: 1fr} }

.user-card{
  border:none;cursor:pointer;
  border-radius:20px;
  padding:16px;
  text-align:left;
  background:
    radial-gradient(700px 220px at 10% 0%, rgba(88,204,2,.14), transparent 55%),
    radial-gradient(700px 220px at 80% 0%, rgba(28,176,246,.12), transparent 55%),
    rgba(15,23,42,.03);
  outline: 3px solid transparent;
  transition: .15s ease;
}
.user-card:hover{transform:translateY(-2px);outline-color: var(--ring)}
.user-card.parent{
  background:
    radial-gradient(700px 220px at 10% 0%, rgba(255,150,0,.16), transparent 55%),
    rgba(15,23,42,.03);
}
.avatar{font-size:34px}
.u-title{font-weight:1000;font-size:18px;margin-top:6px}
.u-sub{color:var(--muted);margin-top:4px;font-size:13px}
.hint{margin-top:14px;color:var(--muted);font-size:13px}
.hint span{font-weight:900;color:var(--ink)}

.hud{
  display:flex;align-items:flex-start;justify-content:space-between;gap:12px;
  margin-bottom:14px;
  flex-wrap:wrap;
}
.hud-left{display:flex;align-items:center;gap:12px}
.hello{font-weight:1000;font-size:18px}
.mascot-wrap{
  width:72px;height:72px;border-radius:22px;
  background:
    radial-gradient(80px 80px at 30% 20%, rgba(255,255,255,.9), rgba(255,255,255,.35)),
    rgba(88,204,2,.12);
  display:grid;place-items:center;
  position:relative;
  overflow:hidden;
}
.mascot-wrap img{width:64px;height:64px;animation: float 2.8s ease-in-out infinite}
.mascot-spark{
  position:absolute;inset:-20px;
  background: conic-gradient(from 180deg, transparent, rgba(28,176,246,.18), transparent, rgba(255,150,0,.14), transparent);
  animation: spin 6s linear infinite;
  opacity:.8;
}
@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-4px)}100%{transform:translateY(0)}}
@keyframes spin{to{transform:rotate(360deg)}}

.speed{display:flex;flex-direction:column;gap:6px}
.speed-buttons{display:flex;gap:8px;flex-wrap:wrap}
.pill{
  border:none;cursor:pointer;
  padding:8px 12px;border-radius:999px;
  background:rgba(15,23,42,.06);
  font-weight:900;
}
.pill.active{background:rgba(28,176,246,.16);outline:2px solid rgba(28,176,246,.25)}

.map{margin-bottom:14px}
.map-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.streak{
  font-weight:1000;
  background: rgba(255,150,0,.14);
  color:#8a4d00;
  padding:8px 12px;
  border-radius:999px;
}
.level-list{display:grid;grid-template-columns: repeat(2, minmax(0,1fr));gap:12px}
@media (max-width:780px){ .level-list{grid-template-columns: 1fr} }

.level-card{
  border-radius:22px;
  border:1px solid rgba(15,23,42,.06);
  padding:14px;
  background:
    radial-gradient(700px 220px at 10% 0%, rgba(88,204,2,.12), transparent 55%),
    rgba(15,23,42,.02);
}
.level-card .row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.level-pill{
  padding:6px 10px;border-radius:999px;font-weight:1000;font-size:12px;
  background:rgba(88,204,2,.14);
}
.level-name{font-weight:1000;font-size:18px;margin-top:6px}
.level-sub{color:var(--muted);font-size:13px;margin-top:4px}
.lesson-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.chip{
  font-size:12px;font-weight:900;border-radius:999px;
  padding:6px 10px;background:rgba(31,42,55,.05)
}
.level-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}

.lesson-top{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.lesson-title{font-weight:1000;font-size:18px}
.stars{display:flex;gap:6px;font-size:18px}
.lesson-body{margin-top:12px;min-height:240px}
.lesson-actions{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.feedback{margin-top:10px;font-weight:900}
.feedback.ok{color:#1b7a00}
.feedback.bad{color:#c81e1e}

.card-grid{
  display:grid;grid-template-columns: repeat(2, minmax(0,1fr));gap:12px;
}
@media (max-width:680px){ .card-grid{grid-template-columns: 1fr} }

.choice{
  border:2px solid transparent;
  background: rgba(15,23,42,.03);
  border-radius:20px;
  padding:14px;
  cursor:pointer;
  font-weight:1000;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.choice:hover{transform:translateY(-1px)}
.choice.selected{border-color: rgba(28,176,246,.45);background: rgba(28,176,246,.10)}
.choice.correct{border-color: rgba(88,204,2,.55);background: rgba(88,204,2,.12)}
.choice.wrong{border-color: rgba(255,75,75,.55);background: rgba(255,75,75,.10)}

.big-word{
  font-size:34px;font-weight:1000;
  letter-spacing:.4px;
}
.word-card{
  background:
    radial-gradient(700px 220px at 20% 0%, rgba(255,150,0,.14), transparent 55%),
    rgba(15,23,42,.02);
  border:1px solid rgba(15,23,42,.06);
  border-radius:22px;
  padding:16px;
}
.word-row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.word-emoji{font-size:44px}
.kv{display:flex;flex-direction:column;gap:6px}
.kv .en{color:var(--muted);font-weight:900}
.kv .es{font-size:28px;font-weight:1000;color:#0b6b93}
.kv .tip{color:var(--muted);font-size:12px}
.input{
  width:100%;
  padding:14px 14px;
  border-radius:18px;
  border:2px solid rgba(15,23,42,.10);
  outline:none;
  font-size:16px;
}
.input:focus{border-color: rgba(88,204,2,.55); box-shadow: 0 0 0 6px rgba(88,204,2,.16);}

.foot{padding:14px 6px 24px}
.parent-stats{display:grid;grid-template-columns: repeat(3, minmax(0,1fr));gap:12px;margin-top:12px}
@media (max-width:780px){ .parent-stats{grid-template-columns: 1fr} }
.stat{
  border-radius:20px;border:1px solid rgba(15,23,42,.06);
  padding:14px;background: rgba(15,23,42,.02);
}
.stat .k{color:var(--muted);font-weight:900;font-size:12px}
.stat .v{font-weight:1000;font-size:22px;margin-top:6px}