/* EcomLingo - estilos mobile-first */
:root{
  --bg:#0f1226; --bg2:#171a35; --card:#1e2244; --card2:#262a55;
  --txt:#eef0ff; --muted:#9aa0c8; --line:#2c3163;
  --accent:#6c5ce7; --accent2:#00d2a8; --warn:#ffb020; --bad:#ff5d73;
  --radius:18px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;background:var(--bg);color:var(--txt);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overscroll-behavior:none}
#app{max-width:560px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}
.screen{flex:1;display:flex;flex-direction:column;padding:max(16px,env(safe-area-inset-top)) 16px 20px;animation:fade .25s ease}
.hidden{display:none!important}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* HOME */
.home-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.brand{font-weight:800;font-size:20px}
.stats{display:flex;gap:10px}
.stat{background:var(--card);padding:6px 12px;border-radius:999px;font-size:14px;color:var(--muted)}
.stat b{color:var(--txt)}
.streak b{color:var(--warn)}
.xp-wrap{margin-bottom:18px}
.xp-bar{height:12px;background:var(--card);border-radius:999px;overflow:hidden}
.xp-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .5s ease}
.xp-label{font-size:12px;color:var(--muted);text-align:right;margin-top:5px}

.hero{background:linear-gradient(160deg,#2a2f63,#1a1d3e);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;margin-bottom:18px}
.hero-kicker{margin:0 0 4px;color:var(--accent2);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.5px}
.hero h1{margin:0 0 6px;font-size:26px;line-height:1.15}
.hero-sub{margin:0 0 16px;color:var(--muted);font-size:15px}

.btn{border:0;border-radius:14px;font-weight:700;cursor:pointer;font-size:16px;color:#fff;
  background:var(--accent);padding:14px 20px;transition:transform .08s ease,filter .2s}
.btn:active{transform:scale(.97)}
.btn-big{width:100%;font-size:18px;padding:16px;background:linear-gradient(90deg,var(--accent),var(--accent2))}

.cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.card{display:flex;flex-direction:column;gap:8px;align-items:flex-start;text-align:left;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;color:var(--txt);cursor:pointer;transition:transform .08s,background .2s}
.card:active{transform:scale(.97);background:var(--card2)}
.card-ico{font-size:26px}
.card-txt b{display:block;font-size:15px}
.card-txt small{color:var(--muted);font-size:12px}

/* TOP BAR */
.bar{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.bar h2{font-size:18px;margin:0;flex:1;text-align:center}
.back{background:var(--card);border:0;color:var(--txt);font-size:24px;width:40px;height:40px;border-radius:12px;cursor:pointer;line-height:1}
.bar-right{width:40px}

/* CHAT */
.chat{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:6px 2px}
.msg{max-width:85%;padding:11px 14px;border-radius:16px;font-size:16px;line-height:1.4;animation:fade .2s}
.msg.bot{background:var(--card);align-self:flex-start;border-bottom-left-radius:4px}
.msg.me{background:var(--accent);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.msg.bot .say{margin-top:6px;font-size:13px;color:var(--accent2);cursor:pointer;display:inline-flex;align-items:center;gap:4px}
.msg.typing{color:var(--muted);font-style:italic}
.composer{display:flex;gap:8px;align-items:center;padding-top:10px}
#chat-input{flex:1;background:var(--card);border:1px solid var(--line);color:var(--txt);
  border-radius:14px;padding:13px 14px;font-size:16px;outline:none}
.mic,.send{border:0;border-radius:14px;width:48px;height:48px;font-size:20px;cursor:pointer;color:#fff;flex:none}
.mic{background:var(--card2)}
.mic.rec{background:var(--bad);animation:pulse 1s infinite}
.send{background:var(--accent2)}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.12)}}
.hint{color:var(--muted);font-size:12px;text-align:center;margin:8px 0 0}

/* LESSON / MISSION */
.lesson{flex:1;overflow-y:auto}
.lesson-intro{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px}
.lesson-intro p{margin:0;color:var(--muted)}
.chunk{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:12px}
.chunk .en{font-size:20px;font-weight:800}
.chunk .fon{color:var(--accent2);font-size:15px;margin:2px 0 8px}
.chunk .es{font-size:15px}
.chunk .val{color:var(--muted);font-size:13px;margin-top:6px}
.chunk .tip{color:var(--warn);font-size:13px;margin-top:6px}
.chunk-actions{display:flex;gap:8px;margin-top:12px}
.mini{border:0;border-radius:12px;padding:10px 14px;font-size:14px;font-weight:700;cursor:pointer;color:#fff}
.mini.play{background:var(--card2)}
.mini.rec{background:var(--accent)}
.mini.rec.on{background:var(--bad);animation:pulse 1s infinite}
.heard{margin-top:10px;font-size:14px;padding:8px 10px;border-radius:10px;background:var(--bg2)}
.heard.ok{color:var(--accent2)} .heard.no{color:var(--warn)}
.lesson-cta{margin-top:6px}

/* LISTS */
.list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:12px}
.item{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px;cursor:pointer;transition:transform .08s}
.item:active{transform:scale(.98)}
.item .ico{font-size:28px}
.item .meta{flex:1}
.item .meta b{display:block;font-size:16px}
.item .meta small{color:var(--muted)}
.item .badge{font-size:12px;color:var(--accent2);font-weight:700}
.phase-tag{font-size:11px;color:var(--muted);background:var(--bg2);padding:3px 8px;border-radius:999px}

/* SRS */
.srs{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;text-align:center}
.flash{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:34px 22px;width:100%;min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;cursor:pointer}
.flash .big{font-size:26px;font-weight:800}
.flash .sub{color:var(--accent2)}
.flash .hidden-ans{color:var(--muted)}
.srs-buttons{display:flex;gap:10px;width:100%}
.srs-buttons .btn{flex:1}
.srs .progress{color:var(--muted);font-size:14px}
.btn.ghost{background:var(--card2)}
.btn.bad{background:var(--bad)}
.btn.ok{background:var(--accent2)}

/* TOAST + CONFETTI */
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:#000a;backdrop-filter:blur(6px);
  color:#fff;padding:12px 18px;border-radius:14px;font-weight:700;z-index:50;animation:fade .2s}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:40;font-size:28px;overflow:hidden}
.confetti span{position:absolute;top:-40px;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(540deg);opacity:0}}

.empty{color:var(--muted);text-align:center;padding:40px 10px}