/* ====== RESET ====== */
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow:hidden;
  font-family:'Nunito',system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  -webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none;
  -webkit-touch-callout:none;touch-action:manipulation;
  background:linear-gradient(170deg,#eef5fd 0%,#e3eefa 30%,#f0ecfb 60%,#fdf2f0 100%);color:#2d3436}

/* ====== APP ====== */
#app{height:100%;max-width:480px;margin:0 auto;position:relative;overflow:hidden;background:transparent}
@media(min-width:600px) and (max-width:1024px){#app{max-width:560px}}
@media(min-width:1025px) and (pointer:coarse){#app{max-width:640px}}
@media(min-width:1025px) and (pointer:fine){#app{max-width:100%;overflow:auto}}

/* ====== BG DECORATIONS (desktop only) ====== */
.bg-deco{display:none}
@media(min-width:1025px) and (pointer:fine){
.bg-deco{display:block;position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:0}
.bg-cloud{position:absolute;background:#fff;border-radius:50%;opacity:.45;filter:blur(1px)}
.bg-cloud::before,.bg-cloud::after{content:'';position:absolute;background:#fff;border-radius:50%}
.bg-cloud.c1{width:120px;height:44px;top:8%;left:5%;animation:drift 35s linear infinite}
.bg-cloud.c1::before{width:52px;height:52px;top:-28px;left:20px}
.bg-cloud.c1::after{width:68px;height:68px;top:-36px;left:52px}
.bg-cloud.c2{width:100px;height:36px;top:14%;right:8%;animation:drift 28s linear infinite reverse;opacity:.35}
.bg-cloud.c2::before{width:44px;height:44px;top:-24px;left:16px}
.bg-cloud.c2::after{width:56px;height:56px;top:-30px;left:44px}
.bg-cloud.c3{width:80px;height:30px;bottom:18%;left:12%;animation:drift 40s linear infinite;opacity:.3}
.bg-cloud.c3::before{width:36px;height:36px;top:-20px;left:12px}
.bg-cloud.c3::after{width:46px;height:46px;top:-25px;left:36px}
@keyframes drift{0%{transform:translateX(-120px)}100%{transform:translateX(calc(100vw + 120px))}}
/* Floating stars */
.bg-star{position:absolute;font-size:20px;opacity:.2;animation:twinkle 4s ease-in-out infinite}
.bg-star:nth-child(4){top:12%;right:18%;animation-delay:0s;font-size:18px}
.bg-star:nth-child(5){top:25%;left:8%;animation-delay:1.2s;font-size:14px;opacity:.15}
.bg-star:nth-child(6){bottom:22%;right:6%;animation-delay:2.4s;font-size:22px;opacity:.18}
.bg-star:nth-child(7){top:6%;left:45%;animation-delay:0.8s;font-size:16px;opacity:.12}
.bg-star:nth-child(8){bottom:35%;left:4%;animation-delay:1.8s;font-size:24px;opacity:.15}
@keyframes twinkle{0%,100%{opacity:.12;transform:scale(1) rotate(0deg)}50%{opacity:.3;transform:scale(1.3) rotate(15deg)}}
/* Floating bubbles */
.bg-bubble{position:absolute;border-radius:50%;opacity:.08}
.bg-bubble.b1{width:200px;height:200px;background:radial-gradient(circle,#4285F4,transparent 70%);top:5%;right:2%;animation:bob 8s ease-in-out infinite}
.bg-bubble.b2{width:160px;height:160px;background:radial-gradient(circle,#34A853,transparent 70%);bottom:10%;left:3%;animation:bob 10s ease-in-out infinite reverse}
.bg-bubble.b3{width:120px;height:120px;background:radial-gradient(circle,#FBBC05,transparent 70%);top:40%;right:5%;animation:bob 7s ease-in-out infinite;animation-delay:2s}
@keyframes bob{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-25px) scale(1.08)}}
}

/* ====== PAGE SYSTEM ====== */
.page{position:absolute;inset:0;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;
  transition:transform .4s cubic-bezier(.4,0,.2,1),opacity .35s;will-change:transform,opacity;z-index:1}
.page.out-l{transform:translateX(-30%);opacity:0;pointer-events:none}
.page.out-r{transform:translateX(100%);opacity:0;pointer-events:none}

/* ====== NAV ====== */
.nav{display:flex;align-items:center;padding:14px 18px 10px;gap:10px;flex-shrink:0;position:relative;z-index:2}
.nav-back{width:42px;height:42px;border-radius:14px;border:none;background:rgba(255,255,255,.85);backdrop-filter:blur(8px);
  box-shadow:0 2px 10px rgba(0,0,0,.08);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.15s}
.nav-back:active{transform:scale(.92)}
.nav-title{flex:1;font-size:18px;font-weight:900;color:#3c4043}
.nav-badge{display:flex;align-items:center;gap:4px;background:linear-gradient(135deg,#fff8e1,#fff3c4);padding:6px 14px;
  border-radius:20px;box-shadow:0 2px 10px rgba(251,188,5,.2);font-size:14px;font-weight:900;color:#F9AB00;border:2px solid rgba(251,188,5,.2)}

/* ====== HOME ====== */
.home-hero{text-align:center;padding:16px 20px 8px;position:relative}
.home-mascot{animation:float 3s ease-in-out infinite;filter:drop-shadow(0 6px 16px rgba(66,133,244,.25));line-height:0}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.home-title{font-size:24px;font-weight:900;background:linear-gradient(90deg,#4285F4,#EA4335,#FBBC05,#34A853);background-size:300% auto;-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-top:4px;animation:shineText 6s ease infinite}
@keyframes shineText{0%,100%{background-position:0% center}50%{background-position:300% center}}
.home-sub{font-size:13px;color:#9aa0a6;margin-top:3px;font-weight:700}
.home-stars-row{display:inline-flex;align-items:center;gap:4px;background:linear-gradient(135deg,#fff8e1,#fff3c4);padding:5px 16px;
  border-radius:16px;font-size:13px;font-weight:900;color:#F9AB00;margin-top:8px;border:1.5px solid rgba(251,188,5,.15)}
/* Player Switch */
.player-switch{display:flex;justify-content:center;gap:16px;margin-top:6px}
.player-avatar{text-align:center;cursor:pointer;padding:8px 16px;border-radius:16px;
  border:2.5px solid transparent;transition:all .25s;background:rgba(255,255,255,.6);backdrop-filter:blur(6px)}
.player-avatar.sel{border-color:#4285F4;background:#e8f0fe;box-shadow:0 2px 12px rgba(66,133,244,.2)}
.player-avatar:active{transform:scale(.93)}
.av-emoji{width:52px;height:52px;border-radius:50%;overflow:hidden;margin:0 auto}
.av-emoji img{width:100%;height:100%;object-fit:cover;display:block}
.av-name{font-size:13px;font-weight:800;margin-top:2px;color:#3c4043}
.av-age{font-size:10px;color:#9aa0a6;font-weight:700}
/* Current selection indicator */
.home-sel{display:flex;align-items:center;justify-content:center;gap:10px;padding:0 20px 8px}
.home-sel-txt{font-size:14px;font-weight:800;color:#5f6368;background:rgba(255,255,255,.8);backdrop-filter:blur(6px);
  padding:8px 20px;border-radius:20px;border:1.5px solid #e0e0e0;display:flex;align-items:center;gap:8px;cursor:pointer;transition:all .2s}
.home-sel-txt:hover{border-color:#4285F4;box-shadow:0 2px 12px rgba(66,133,244,.15)}
.home-sel-txt:active{transform:scale(.97)}
.home-sel-txt svg{width:16px;height:16px;color:#4285F4;transition:transform .3s}
.home-sel-txt.open svg{transform:rotate(180deg)}
/* Settings drawer */
.home-drawer{max-height:0;overflow:hidden;transition:max-height .35s cubic-bezier(.4,0,.2,1);padding:0 20px;flex-shrink:0}
.home-drawer.open{max-height:1000px}
.home-drawer-inner{background:rgba(255,255,255,.8);backdrop-filter:blur(12px);border-radius:20px;padding:16px 18px;
  box-shadow:0 4px 20px rgba(0,0,0,.05);border:1px solid rgba(255,255,255,.6);margin-bottom:14px}
.sec-label{font-size:11px;font-weight:800;color:#9aa0a6;text-transform:uppercase;letter-spacing:1px;padding:6px 2px 6px}
.chip-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px;padding:2px 0 8px}
.chip{background:#fff;border-radius:14px;padding:8px 6px;box-shadow:0 1px 4px rgba(0,0,0,.06);
  cursor:pointer;transition:all .2s;display:flex;flex-direction:column;align-items:center;gap:4px;border:1.5px solid #e8e8e8;font-size:12px;font-weight:700;text-align:center}
.chip:active{transform:scale(.96)}
.chip.sel{border-color:#4285F4;background:#e8f0fe;box-shadow:0 2px 8px rgba(66,133,244,.15)}
.chip-dot{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;color:#fff;flex-shrink:0}
.chip-info{display:flex;flex-direction:column;gap:0;align-items:center}
.chip-name{font-weight:800;color:#3c4043;font-size:12px}
.chip-cnt{font-size:10px;color:#9aa0a6;font-weight:600}

/* Mode Grid — 移动端2列，第5卡居中且等宽 */
.mode-grid{display:flex;flex-wrap:wrap;gap:10px;padding:4px 18px 14px;justify-content:center}
.mode-card{border-radius:20px;padding:18px 12px;text-align:center;
  cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;border:none;
  width:calc(50% - 5px);flex-shrink:0}
.mode-card:active{transform:scale(.95)}
.mc-icon{width:52px;height:52px;margin:0 auto 10px;color:rgba(255,255,255,.9);
  display:flex;align-items:center;justify-content:center;transition:transform .3s}
.mc-icon svg{width:100%;height:100%}
.mode-card:hover .mc-icon{transform:translateY(-3px) scale(1.05)}
.mc-name{font-size:14px;font-weight:900;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.2)}
.mc-desc{font-size:10px;color:rgba(255,255,255,.95);margin-top:3px;line-height:1.3;font-weight:700;text-shadow:0 1px 2px rgba(0,0,0,.12)}
/* Google 风格 — 5色各不同 */
.mode-card:nth-child(1){background:linear-gradient(145deg,#4285F4,#5E9BF6);box-shadow:0 4px 16px rgba(66,133,244,.35)}
.mode-card:nth-child(2){background:linear-gradient(145deg,#EA4335,#EF6B5E);box-shadow:0 4px 16px rgba(234,67,53,.35)}
.mode-card:nth-child(3){background:linear-gradient(145deg,#F9AB00,#FBBC34);box-shadow:0 4px 16px rgba(249,171,0,.35)}
.mode-card:nth-child(4){background:linear-gradient(145deg,#34A853,#52BB71);box-shadow:0 4px 16px rgba(52,168,83,.35)}
.mode-card:nth-child(5){background:linear-gradient(145deg,#A142F4,#B468F6);box-shadow:0 4px 16px rgba(161,66,244,.35)}
/* Subtle inner glow */
.mode-card::after{content:'';position:absolute;inset:0;border-radius:inherit;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25);pointer-events:none}

/* ====== SHARED: Progress Bar ====== */
.prog{display:flex;align-items:center;gap:10px;padding:0 20px 10px}
.prog-bg{flex:1;height:8px;background:#e8f0fe;border-radius:4px;overflow:hidden}
.prog-fill{height:100%;background:linear-gradient(90deg,#4285F4,#6ea6f7);border-radius:4px;transition:width .4s}
.prog-txt{font-size:13px;font-weight:700;color:#888;white-space:nowrap}

/* ====== FLASHCARD ====== */
.fc-toggle{display:flex;background:#e8f0fe;border-radius:12px;padding:3px;margin:0 20px 4px}
.fc-toggle button{flex:1;padding:7px;border-radius:10px;border:none;background:transparent;font-size:13px;font-weight:700;color:#a0a0a0;cursor:pointer;transition:.2s;font-family:inherit}
.fc-toggle button.on{background:#4285F4;color:#fff;box-shadow:0 2px 8px rgba(66,133,244,.3)}
.fc-area{display:flex;align-items:center;justify-content:center;perspective:1200px;padding:10px 20px;flex-shrink:0}
.fc-card{width:260px;aspect-ratio:3/4;cursor:pointer;position:relative}
.fc-inner{width:100%;height:100%;position:relative;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.4,0,.2,1)}
.fc-inner.flip{transform:rotateY(180deg)}
.fc-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  border-radius:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:28px 20px;
  box-shadow:0 8px 30px rgba(0,0,0,.08)}
.fc-f{background:#fff}
.fc-b{background:linear-gradient(145deg,#e8f0fe,#d2e3fc);transform:rotateY(180deg)}
.fc-em{font-size:60px}
.fc-w{font-size:32px;font-weight:900;text-align:center}
.fc-w.zh{font-size:28px}
.fc-hint{font-size:12px;color:#ccc;margin-top:4px}
.fc-snd{position:absolute;top:14px;right:14px;width:44px;height:44px;border-radius:50%;border:none;
  background:rgba(66,133,244,.1);color:#4285F4;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:2;transition:.15s}
.fc-snd:active{transform:scale(.9)}
.fc-star{position:absolute;top:14px;left:14px;width:32px;height:32px;border-radius:50%;
  background:linear-gradient(135deg,#FBBC05,#F9AB00);display:flex;align-items:center;justify-content:center;font-size:14px;
  box-shadow:0 2px 8px rgba(251,188,5,.4);z-index:2;opacity:0;transform:scale(0);transition:all .4s cubic-bezier(.175,.885,.32,1.275)}
.fc-star.on{opacity:1;transform:scale(1)}
.fc-ctrls{display:flex;align-items:center;justify-content:center;gap:12px;padding:10px 0 20px;flex-shrink:0}
.cbtn{border-radius:16px;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.15s;
  box-shadow:0 3px 12px rgba(0,0,0,.08);font-family:inherit}
.cbtn:active{transform:scale(.92)}
.cbtn.nav{width:48px;height:48px;font-size:18px;background:#fff;color:#4285F4}
.cbtn.nav:disabled{opacity:.3;pointer-events:none}
.cbtn.ok{width:56px;height:56px;font-size:22px;background:linear-gradient(135deg,#34A853,#5ec47a);color:#fff;border-radius:50%}
.cbtn.ok.done{background:linear-gradient(135deg,#FBBC05,#F9AB00)}
.cbtn.skip{width:56px;height:56px;font-size:22px;background:linear-gradient(135deg,#dadce0,#9aa0a6);color:#fff;border-radius:50%}

/* ====== MATCH ====== */
.mt-info{display:flex;justify-content:space-between;padding:0 20px 8px;font-size:14px;font-weight:700}
.mt-timer{color:#EA4335}.mt-score{color:#4285F4}
.mt-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:0 16px 16px;flex:1;align-content:start;overflow-y:auto}
.mt-tile{background:#fff;border-radius:14px;padding:12px 8px;text-align:center;
  box-shadow:0 2px 10px rgba(0,0,0,.05);cursor:pointer;transition:.15s;border:3px solid transparent;
  font-weight:800;min-height:52px;display:flex;align-items:center;justify-content:center;font-size:14px}
.mt-tile:active{transform:scale(.95)}
.mt-tile.sel{border-color:#4285F4;background:#e8f0fe}
.mt-tile.ok{border-color:#34A853;background:#e6f4ea;animation:pop .4s}
.mt-tile.no{border-color:#EA4335;background:#fce8e6;animation:shake .4s}
.mt-tile.done{opacity:.3;pointer-events:none;transform:scale(.9)}
@keyframes pop{0%{transform:scale(1)}50%{transform:scale(1.06)}100%{transform:scale(1)}}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}

/* ====== LISTEN ====== */
.ls-prompt{text-align:center;padding:16px}
.ls-big{width:90px;height:90px;border-radius:50%;border:none;
  background:linear-gradient(135deg,#4285F4,#6ea6f7);color:#fff;font-size:40px;
  cursor:pointer;box-shadow:0 6px 20px rgba(66,133,244,.35);margin:0 auto 10px;display:flex;align-items:center;justify-content:center;transition:.15s}
.ls-big:active{transform:scale(.92)}
.ls-big.on{animation:pulse .5s ease infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.12)}}
.ls-hint{font-size:13px;color:#aaa;font-weight:700}
.ls-opts{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:12px 20px;flex:1;align-content:start}
.ls-opt{background:#fff;border-radius:18px;padding:16px;text-align:center;
  box-shadow:0 3px 12px rgba(0,0,0,.06);cursor:pointer;transition:.15s;border:3px solid transparent}
.ls-opt:active{transform:scale(.96)}
.ls-opt-em{font-size:36px;margin-bottom:4px}
.ls-opt-txt{font-size:13px;font-weight:800;color:#555}
.ls-opt.ok{border-color:#34A853;background:#e6f4ea;animation:pop .4s}
.ls-opt.no{border-color:#EA4335;background:#fce8e6;animation:shake .4s}
.ls-res{text-align:center;padding:8px;font-size:14px;font-weight:800;min-height:36px}
.ls-res.right{color:#34A853}.ls-res.wrong{color:#EA4335}

/* ====== SPELL (letter pick) ====== */
.sp-prompt{text-align:center;padding:12px 20px}
.sp-em{font-size:52px;margin-bottom:6px}
.sp-zh{font-size:20px;font-weight:800;color:#555}
.sp-snd-row{text-align:center;padding:6px}
.sp-snd{width:44px;height:44px;border-radius:50%;border:none;background:rgba(66,133,244,.1);color:#4285F4;
  font-size:20px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:.15s}
.sp-snd:active{transform:scale(.9)}
.sp-slots{display:flex;justify-content:center;gap:5px;padding:8px 16px;flex-wrap:wrap}
.sp-slot{width:42px;height:46px;border-radius:10px;background:#e8f0fe;display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:900;color:#4285F4;border:2px dashed #ccc;transition:.2s}
.sp-slot.fill{background:#4285F4;color:#fff;border:2px solid #4285F4;cursor:pointer}
.sp-slot.fill:active{transform:scale(.88);opacity:.8}
.sp-slot.yes{background:#34A853;border-color:#34A853;color:#fff}
.sp-slot.err{background:#EA4335;border-color:#EA4335;color:#fff;animation:shake .4s}
.sp-letters{display:flex;justify-content:center;gap:6px;padding:12px 16px;flex-wrap:wrap}
.sp-let{width:42px;height:48px;border-radius:12px;background:#fff;box-shadow:0 3px 10px rgba(0,0,0,.08);
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:900;color:#333;cursor:pointer;border:none;transition:.15s}
.sp-let:active{transform:scale(.9)}
.sp-let.used{opacity:.3;pointer-events:none;transform:scale(.85)}
.sp-res{text-align:center;padding:6px;font-size:14px;font-weight:800;min-height:32px}

/* ====== TYPE (keyboard spelling) ====== */
.tp-prompt{text-align:center;padding:16px 20px 8px}
.tp-em{font-size:56px;margin-bottom:6px}
.tp-zh{font-size:22px;font-weight:800;color:#444}
.tp-snd-row{text-align:center;padding:6px}
.tp-snd{width:48px;height:48px;border-radius:50%;border:none;background:rgba(66,133,244,.1);color:#4285F4;
  font-size:22px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:.15s}
.tp-snd:active{transform:scale(.9)}
.tp-hint-btn{margin-left:12px;padding:8px 18px;border-radius:12px;border:none;background:#FBBC05;color:#fff;
  font-size:13px;font-weight:800;cursor:pointer;transition:.15s;font-family:inherit;vertical-align:middle}
.tp-hint-btn:active{transform:scale(.95)}
.tp-hint-btn:disabled{opacity:.4;pointer-events:none}
.tp-slots{display:flex;justify-content:center;gap:6px;padding:10px 16px;flex-wrap:wrap}
.tp-slot{width:40px;height:50px;border-radius:12px;background:#fff;border:2px solid #ddd;
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:900;color:#4285F4;transition:.2s;
  box-shadow:0 2px 6px rgba(0,0,0,.04)}
.tp-slot.cur{border-color:#4285F4;box-shadow:0 0 0 3px rgba(66,133,244,.2)}
.tp-slot.fill{background:#e8f0fe;border-color:#4285F4}
.tp-slot.hint{color:#FBBC05}
.tp-slot.yes{background:#34A853;border-color:#34A853;color:#fff;box-shadow:none}
.tp-slot.err{background:#EA4335;border-color:#EA4335;color:#fff;animation:shake .4s;box-shadow:none}
.tp-res{text-align:center;padding:8px;font-size:15px;font-weight:800;min-height:38px}

/* Virtual Keyboard */
.vkb{padding:6px 8px 12px;flex-shrink:0}
.vkb-row{display:flex;justify-content:center;gap:4px;margin-bottom:4px}
.vk{height:44px;border-radius:10px;border:none;background:#fff;box-shadow:0 2px 4px rgba(0,0,0,.08);
  font-size:16px;font-weight:800;color:#333;cursor:pointer;transition:.1s;flex:1;max-width:38px;font-family:inherit}
.vk:active{transform:scale(.92);background:#e8f0fe}
.vk.wide{max-width:60px;font-size:13px;color:#4285F4}
.vk.enter{max-width:72px;background:linear-gradient(135deg,#4285F4,#6ea6f7);color:#fff;font-size:13px}
.vk.enter:active{background:#3367d6}

/* ====== MODAL ====== */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;
  z-index:1000;opacity:0;pointer-events:none;transition:.3s;padding:20px}
.modal-bg.show{opacity:1;pointer-events:auto}
.modal-box{background:#fff;border-radius:28px;padding:32px 24px 24px;text-align:center;max-width:340px;width:100%;max-height:88vh;overflow-y:auto;
  transform:scale(.8);transition:transform .4s cubic-bezier(.175,.885,.32,1.275)}
.modal-bg.show .modal-box{transform:scale(1)}
.m-icon{font-size:52px;margin-bottom:6px}
.m-h{font-size:22px;font-weight:900;margin-bottom:4px}
.m-p{font-size:14px;color:#888;line-height:1.5;margin-bottom:14px}
.m-stars{font-size:26px;letter-spacing:4px;margin-bottom:14px}
.m-btns{display:flex;flex-direction:column;gap:8px}
.m-btn{padding:14px;border-radius:14px;border:none;font-size:15px;font-weight:800;cursor:pointer;transition:.15s;font-family:inherit}
.m-btn:active{transform:scale(.96)}
.m-btn.pri{background:linear-gradient(135deg,#4285F4,#6ea6f7);color:#fff;box-shadow:0 4px 15px rgba(66,133,244,.35)}
.m-btn.sec{background:#f0f0f0;color:#666}

/* ====== ADVENTURE MODE ====== */
.adv-btn{display:flex;align-items:center;justify-content:center;gap:8px;margin:0 20px 8px;padding:12px;
  border-radius:16px;border:none;cursor:pointer;font-family:inherit;font-size:15px;font-weight:900;color:#fff;
  background:linear-gradient(135deg,#F9AB00,#E89C00);box-shadow:0 4px 16px rgba(249,171,0,.35);transition:.15s}
.adv-btn:active{transform:scale(.96)}
.adv-wrap{padding:16px 20px 30px;flex:1;overflow-y:auto}
.adv-line{width:3px;height:24px;background:#dadce0;margin:0 auto}
.adv-card{background:#fff;border-radius:20px;padding:18px;margin-bottom:4px;box-shadow:0 3px 12px rgba(0,0,0,.06);
  border:2px solid #e8e8e8;transition:.2s}
.adv-card.locked{opacity:.45;filter:grayscale(.6)}
.adv-card.current{border-color:#4285F4;box-shadow:0 4px 20px rgba(66,133,244,.2)}
.adv-card-h{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.adv-num{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:900;color:#fff;flex-shrink:0}
.adv-card-title{font-size:16px;font-weight:900;color:#3c4043}
.adv-card-sub{font-size:11px;color:#9aa0a6;font-weight:700}
.adv-prog{height:6px;background:#e8f0fe;border-radius:3px;margin-bottom:10px;overflow:hidden}
.adv-prog-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,#4285F4,#34A853);transition:width .4s}
.adv-modes{display:flex;gap:8px;flex-wrap:wrap}
.adv-mode{display:flex;align-items:center;gap:5px;padding:6px 12px;border-radius:10px;font-size:11px;font-weight:800;
  background:#f5f5f5;color:#9aa0a6;cursor:default;border:1.5px solid transparent;transition:.15s}
.adv-mode.done{background:#e6f4ea;color:#34A853;border-color:#34A853}
.adv-mode.unlocked{background:#e8f0fe;color:#4285F4;border-color:#4285F4;cursor:pointer}
.adv-mode.unlocked:active{transform:scale(.95)}
.adv-mode .adv-icon{font-size:14px}

/* ====== RACE TRACK TIMER ====== */
.race-track{position:relative;width:110px;height:32px;flex-shrink:0}
.race-rail{position:absolute;top:50%;left:0;right:0;height:5px;background:rgba(0,0,0,.08);border-radius:3px;transform:translateY(-50%)}
.race-rail::before{content:'🏁';position:absolute;right:-2px;top:-9px;font-size:13px}
.race-animal{position:absolute;top:2px;left:0;font-size:18px;transition:left .4s ease-out;will-change:left;transform:scaleX(-1)}
.race-time{position:absolute;top:-12px;left:0;font-size:10px;font-weight:800;color:#5f6368;
  transition:left .4s ease-out;white-space:nowrap;font-variant-numeric:tabular-nums}
/* ====== RECORDS PAGE ====== */
.rec-wrap{padding:16px 20px 30px;flex:1;overflow-y:auto}
.rec-empty{text-align:center;padding:40px 20px;color:#9aa0a6;font-size:14px;font-weight:700}
.rec-card{background:#fff;border-radius:16px;padding:14px 16px;margin-bottom:10px;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.rec-card-h{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.rec-card-mode{font-size:12px;font-weight:800;color:#fff;background:#4285F4;padding:3px 10px;border-radius:8px}
.rec-card-grp{font-size:12px;font-weight:700;color:#5f6368}
.rec-card-best{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:900;color:#F9AB00}
.rec-card-hist{margin-top:6px;font-size:11px;color:#9aa0a6;line-height:1.6}
.rec-clear{display:block;margin:20px auto 0;padding:12px 28px;border-radius:14px;border:none;
  background:#f0f0f0;color:#888;font-size:14px;font-weight:800;cursor:pointer;font-family:inherit;transition:.15s}
.rec-clear:active{transform:scale(.96)}
/* Result modal: time display */
.m-time{font-size:14px;color:#5f6368;margin-bottom:8px;font-weight:700}
.m-time .best{color:#F9AB00;font-weight:900}
.m-new-record{display:inline-block;background:linear-gradient(135deg,#FBBC05,#F9AB00);color:#fff;font-size:12px;font-weight:900;
  padding:3px 12px;border-radius:10px;margin-left:6px;animation:newRecPulse 1s ease infinite}
@keyframes newRecPulse{0%,100%{box-shadow:0 0 0 0 rgba(251,188,5,.4)}50%{box-shadow:0 0 0 8px rgba(251,188,5,0)}}

/* ====== CONFETTI / FX ====== */
#confetti{position:fixed;inset:0;pointer-events:none;z-index:999}
.star-fly{position:fixed;font-size:34px;pointer-events:none;z-index:998;animation:starFly .7s ease forwards}
@keyframes starFly{0%{transform:scale(0) rotate(0);opacity:1}50%{transform:scale(1.3) rotate(15deg);opacity:1}100%{transform:scale(.4) translateY(-60px) rotate(30deg);opacity:0}}
.toast{position:fixed;top:80px;left:50%;transform:translateX(-50%) translateY(-20px);
  background:#333;color:#fff;padding:10px 22px;border-radius:12px;font-size:14px;font-weight:700;
  opacity:0;transition:.3s;z-index:1001;pointer-events:none;white-space:nowrap}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.loading{display:flex;align-items:center;justify-content:center;height:100%;font-size:48px}

/* Scrollbar hide */
::-webkit-scrollbar{width:0;background:transparent}

/* Safe area */
/* ====== BEST BANNER ====== */
.best-banner{display:flex;align-items:center;justify-content:center;gap:4px;padding:2px 16px;
  background:linear-gradient(135deg,#fff8e1,#fff3c4);font-size:12px;font-weight:800;color:#F9AB00;flex-shrink:0}
.bb-item{white-space:nowrap}

.safe-b{padding-bottom:env(safe-area-inset-bottom,0)}

/* ====================================================
   DESKTOP RESPONSIVE (mouse/trackpad devices only)
   pointer:fine = mouse/trackpad; iPad always gets mobile
   ==================================================== */
@media(min-width:1025px) and (pointer:fine){
  html,body{overflow:auto}
  .page{position:relative;overflow:visible;min-height:100vh}
  .page.out-l,.page.out-r{position:absolute}
  /* Nav */
  .nav{max-width:1080px;margin:0 auto;padding:18px 40px 12px;width:100%}
  .nav-title{font-size:22px}
  .nav-badge{font-size:16px;padding:8px 18px}
  /* Home hero */
  .home-hero{padding:32px 40px 12px}
  .home-mascot svg{width:130px;height:130px}
  .home-title{font-size:40px}
  .home-sub{font-size:16px;margin-top:4px}
  .home-stars-row{font-size:16px;padding:8px 22px;margin-top:10px}
  .player-switch{gap:24px;margin-top:12px}
  .player-avatar{padding:12px 24px;border-radius:20px}
  .av-emoji{width:72px;height:72px}
  .av-name{font-size:16px;margin-top:4px}
  .av-age{font-size:12px}
  /* Centered layout */
  .home-sel{padding:0 40px 12px;max-width:760px;margin:0 auto;width:100%}
  .home-sel-txt{font-size:16px;padding:12px 28px}
  .home-drawer{padding:0 40px;max-width:800px;margin:0 auto;width:100%}
  .home-drawer-inner{padding:20px 24px;border-radius:24px;display:flex;gap:28px}
  .home-drawer-inner>div{flex:1}
  .chip-row{grid-template-columns:repeat(auto-fill,minmax(80px,1fr))}
  .chip{padding:10px 8px;font-size:13px;border-radius:16px}
  .chip-dot{width:30px;height:30px;font-size:13px}
  .home-drawer-inner{gap:32px}
  /* Mode grid: 5 cards in one row on desktop */
  .mode-grid{display:flex;flex-wrap:nowrap;gap:16px;padding:4px 40px 24px;max-width:800px;margin:0 auto;width:100%;justify-content:center}
  .mode-card{width:auto;flex:1;padding:28px 14px;border-radius:22px}
  .mc-icon{width:52px;height:52px;margin:0 auto 12px}
  .mc-name{font-size:16px}
  .mc-desc{font-size:12px;margin-top:5px}
  /* === Game pages: centered container === */
  .prog{max-width:640px;margin:0 auto;padding:0 40px 10px;width:100%}
  .fc-toggle{max-width:640px;margin:0 auto 8px;width:100%}
  .fc-area{max-width:640px;margin:0 auto;width:100%}
  .fc-ctrls{max-width:640px;margin:0 auto;width:100%}
  /* Flashcard — desktop: tighter layout */
  #pg-flash,#pg-match,#pg-listen,#pg-spell,#pg-type{min-height:auto;max-height:100vh}
  .fc-area{max-height:55vh}
  .fc-card{max-width:340px;max-height:42vh}
  .fc-w{font-size:36px}
  .fc-em{font-size:72px}
  /* Match */
  .mt-info{max-width:700px;margin:0 auto;padding:0 40px 8px;width:100%}
  .mt-grid{max-width:700px;margin:0 auto;grid-template-columns:repeat(3,1fr);gap:14px;padding:0 40px 20px;width:100%}
  .mt-tile{padding:18px 10px;font-size:17px;min-height:64px;border-radius:16px}
  /* Listen */
  .ls-prompt{max-width:640px;margin:0 auto;width:100%}
  .ls-res{max-width:640px;margin:0 auto;width:100%}
  .ls-opts{max-width:700px;margin:0 auto;grid-template-columns:repeat(4,1fr);gap:16px;padding:16px 40px;width:100%}
  .ls-big{width:110px;height:110px;font-size:52px}
  .ls-opt{border-radius:22px;padding:20px}
  .ls-opt-em{font-size:42px}
  .ls-opt-txt{font-size:15px}
  /* Spell */
  .sp-prompt{max-width:640px;margin:0 auto;width:100%}
  .sp-snd-row{max-width:640px;margin:0 auto;width:100%}
  .sp-slots{max-width:640px;margin:0 auto;width:100%}
  .sp-res{max-width:640px;margin:0 auto;width:100%}
  .sp-letters{max-width:640px;margin:0 auto;width:100%}
  .sp-slot{width:48px;height:56px;font-size:26px;border-radius:14px}
  .sp-slot.fill:hover{background:#3367d6;border-color:#3367d6;box-shadow:0 0 0 3px rgba(234,67,53,.25)}
  .sp-let{width:52px;height:58px;font-size:24px;border-radius:14px}
  /* Type - hide virtual keyboard on desktop */
  .tp-prompt{max-width:640px;margin:0 auto;width:100%}
  .tp-snd-row{max-width:640px;margin:0 auto;width:100%}
  .tp-slots{max-width:640px;margin:0 auto;width:100%}
  .tp-res{max-width:640px;margin:0 auto;width:100%}
  .vkb{display:none}
  .tp-slot{width:52px;height:60px;font-size:28px;border-radius:14px}
  .tp-desk-hint{display:block;text-align:center;font-size:13px;color:#bbb;padding:8px;max-width:640px;margin:0 auto}
  /* Modal bigger */
  .modal-box{max-width:420px;padding:40px 32px 28px;border-radius:32px}
  .m-icon{font-size:64px}
  .m-h{font-size:26px}
  /* Adventure & Records desktop */
  .adv-wrap,.rec-wrap,.admin-wrap{max-width:700px;margin:0 auto}
  .adv-btn{max-width:760px;margin:0 auto 10px;padding:16px 40px;font-size:17px;border-radius:18px}
  .adv-mode.unlocked:hover{transform:translateY(-1px);box-shadow:0 2px 8px rgba(66,133,244,.2)}
  /* Hover effects */
  .chip:hover{box-shadow:0 3px 12px rgba(0,0,0,.1);transform:translateY(-1px)}
  .mode-card:nth-child(1):hover{transform:translateY(-5px);box-shadow:0 10px 35px rgba(66,133,244,.45)}
  .mode-card:nth-child(2):hover{transform:translateY(-5px);box-shadow:0 10px 35px rgba(234,67,53,.4)}
  .mode-card:nth-child(3):hover{transform:translateY(-5px);box-shadow:0 10px 35px rgba(249,171,0,.4)}
  .mode-card:nth-child(4):hover{transform:translateY(-5px);box-shadow:0 10px 35px rgba(52,168,83,.4)}
  .mode-card:nth-child(5):hover{transform:translateY(-5px);box-shadow:0 10px 35px rgba(161,66,244,.4)}
  .mt-tile:hover{background:#f0f6ff;box-shadow:0 4px 16px rgba(0,0,0,.08)}
  .ls-opt:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.1)}
  .cbtn:hover{transform:translateY(-1px)}
}
/* Extra wide screens (desktop only) */
@media(min-width:1200px) and (pointer:fine){
  .mode-grid{max-width:860px;gap:18px}
  .mode-card{padding:28px 16px}
  .mc-icon{width:52px;height:52px}
  .mc-name{font-size:16px}
}
/* Small screens: shrink VKB keys */
@media(max-width:359px){
  .vk{height:38px;max-width:30px;font-size:14px}
  .vk.wide{max-width:48px;font-size:11px}
  .vk.enter{max-width:58px;font-size:11px}
  .sp-slot{width:34px;height:40px;font-size:17px}
  .sp-let{width:36px;height:42px;font-size:17px}
}
.tp-desk-hint{display:none}

/* ====== ADMIN / SETTINGS PAGE ====== */
.admin-wrap{padding:8px 16px 24px;overflow-y:auto;flex:1}
.admin-section{background:rgba(255,255,255,.85);backdrop-filter:blur(8px);border-radius:20px;padding:16px;margin-bottom:12px;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.admin-section-h{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:900;color:#3c4043;margin-bottom:10px}
.admin-player-h{font-size:15px;font-weight:900;padding:8px 12px;border-radius:12px;margin-bottom:8px}
.admin-player-h.jason{background:linear-gradient(135deg,#e8f0fe,#d2e3fc);color:#4285F4}
.admin-player-h.jessie{background:linear-gradient(135deg,#fce8e6,#f8d7da);color:#EA4335}
.admin-table{width:100%;border-collapse:collapse;font-size:12px;margin-bottom:12px}
.admin-table th{background:#f8f9fa;padding:6px 8px;text-align:left;font-weight:800;color:#5f6368;border-bottom:2px solid #e8eaed;white-space:nowrap}
.admin-table td{padding:5px 8px;border-bottom:1px solid #f1f3f4;color:#3c4043}
.admin-table tr:hover td{background:#f8f9fa}
.admin-empty{color:#9aa0a6;font-size:13px;text-align:center;padding:16px}
.admin-stat-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.admin-stat{flex:1;min-width:80px;background:linear-gradient(135deg,#f8f9fa,#fff);border-radius:12px;padding:10px;text-align:center}
.admin-stat-val{font-size:22px;font-weight:900;color:#4285F4}
.admin-stat-lbl{font-size:10px;color:#9aa0a6;font-weight:700;margin-top:2px}
.admin-btn-row{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.admin-btn{padding:10px 18px;border-radius:12px;border:none;font-size:13px;font-weight:800;cursor:pointer;transition:.15s}
.admin-btn:active{transform:scale(.95)}
.admin-btn.danger{background:#fce8e6;color:#EA4335}
.admin-btn.primary{background:#e8f0fe;color:#4285F4}
.admin-history-toggle{font-size:11px;color:#4285F4;cursor:pointer;font-weight:800;margin-top:4px;display:inline-block}
.admin-history{display:none;margin-top:6px}
.admin-history.show{display:block}
.settings-btn{width:36px;height:36px;border-radius:12px;border:none;background:rgba(255,255,255,.7);backdrop-filter:blur(6px);
  box-shadow:0 2px 8px rgba(0,0,0,.06);cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:.15s}
.settings-btn:active{transform:scale(.92)}

/* Wrong Words Section (in result modal) */
.wrong-words-section{margin-top:12px;text-align:left;border-top:1px solid #e8eaed;padding-top:10px}
.wrong-words-h{font-size:13px;font-weight:800;color:#5f6368;margin-bottom:8px;text-align:center}
.wrong-words-list{display:flex;flex-direction:column;gap:6px;max-height:160px;overflow-y:auto;padding:0 2px}
.wrong-word-item{background:#fef7e0;border-radius:10px;padding:8px 10px;border:1px solid #fdd663}
.ww-main{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.ww-em{font-size:18px}
.ww-en{font-weight:800;color:#3c4043;font-size:14px}
.ww-zh{color:#5f6368;font-size:12px}
.ww-answer{font-size:11px;color:#EA4335;margin-top:3px}
.ww-wrong{font-weight:700;text-decoration:line-through}
.ww-mastery{font-size:10px;color:#9aa0a6;margin-top:2px}

/* Review Banner (home page) */
.review-banner{display:flex;align-items:center;gap:10px;background:linear-gradient(135deg,#e8f5e9,#c8e6c9);border-radius:14px;padding:10px 14px;margin:0 auto 8px;max-width:380px;cursor:pointer;transition:.15s;border:1.5px solid #a5d6a7}
.review-banner:active{transform:scale(.97)}
.review-banner-icon{font-size:26px}
.review-banner-txt{flex:1}
.review-banner-h{font-size:14px;font-weight:800;color:#2e7d32}
.review-banner-sub{font-size:11px;color:#4caf50;font-weight:600}
.review-banner-go{font-size:13px;font-weight:800;color:#2e7d32}

/* Review Page */
.rv-wrap{padding:12px 16px;overflow-y:auto;-webkit-overflow-scrolling:touch;height:calc(100vh - 56px)}
.rv-phase-h{text-align:center;font-size:16px;font-weight:800;color:#4285F4;margin:12px 0 8px}
.rv-phase-sub{text-align:center;font-size:12px;color:#5f6368;margin-bottom:16px}
.rv-card{background:#fff;border-radius:16px;box-shadow:0 2px 12px rgba(0,0,0,.06);padding:20px;margin:0 auto 12px;max-width:340px;text-align:center}
.rv-card-em{font-size:48px;margin-bottom:8px}
.rv-card-en{font-size:24px;font-weight:900;color:#3c4043}
.rv-card-zh{font-size:16px;color:#5f6368;margin-top:4px}
.rv-card-mastery{font-size:12px;color:#9aa0a6;margin-top:6px}
.rv-mastery-bar{width:120px;height:6px;background:#e8eaed;border-radius:3px;margin:6px auto 0;overflow:hidden}
.rv-mastery-fill{height:100%;border-radius:3px;transition:width .5s}
.rv-input-area{margin:16px auto;max-width:340px}
.rv-slots{display:flex;gap:4px;justify-content:center;margin:12px 0}
.rv-slot{width:32px;height:38px;border:2px dashed #c4cad0;border-radius:8px;font-size:18px;font-weight:800;display:flex;align-items:center;justify-content:center;color:#3c4043;transition:.2s}
.rv-slot.fill{border-color:#4285F4;background:#e8f0fe}
.rv-slot.yes{border-color:#34A853;background:#e6f4ea;color:#34A853}
.rv-slot.err{border-color:#EA4335;background:#fce8e6;color:#EA4335}
.rv-slot.hint{color:#9aa0a6;border-style:solid}
.rv-snd{width:44px;height:44px;border-radius:50%;border:none;background:#e8f0fe;font-size:20px;cursor:pointer;margin:8px auto;display:block}
.rv-btns{display:flex;gap:8px;justify-content:center;margin-top:12px}
.rv-btn{padding:10px 20px;border:none;border-radius:10px;font-size:14px;font-weight:700;cursor:pointer;transition:.15s}
.rv-btn:active{transform:scale(.95)}
.rv-btn.pri{background:#4285F4;color:#fff}
.rv-btn.sec{background:#e8eaed;color:#5f6368}
.rv-btn.ok{background:#34A853;color:#fff}
.rv-summary{max-width:360px;margin:0 auto}
.rv-summary-h{font-size:20px;font-weight:900;text-align:center;margin:16px 0 12px}
.rv-summary-stats{display:flex;gap:12px;justify-content:center;margin-bottom:16px}
.rv-stat{text-align:center}
.rv-stat-val{font-size:24px;font-weight:900;color:#4285F4}
.rv-stat-lbl{font-size:11px;color:#5f6368}
.rv-word-row{display:flex;align-items:center;gap:8px;padding:8px 10px;background:#fff;border-radius:10px;margin-bottom:6px;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.rv-word-em{font-size:20px;width:30px;text-align:center}
.rv-word-en{font-weight:800;font-size:14px;color:#3c4043;flex:1}
.rv-word-change{font-size:12px;font-weight:700}
.rv-word-change.up{color:#34A853}
.rv-word-change.down{color:#EA4335}
.rv-word-change.same{color:#9aa0a6}
@media(min-width:1025px) and (pointer:fine){.review-banner{max-width:420px}}

/* ============================================================
   PHONICS HOME BUTTON
   ============================================================ */
.ph-home-btn{display:block;width:calc(100% - 32px);max-width:380px;margin:0 auto 8px;padding:12px 18px;border:none;border-radius:14px;
  background:linear-gradient(135deg,#e8f0fe,#d2e3fc);color:#1967d2;font-size:16px;font-weight:800;cursor:pointer;transition:.15s;
  border:1.5px solid #aecbfa;text-align:center}
.ph-home-btn:active{transform:scale(.97)}

/* ============================================================
   PHONICS PAGE
   ============================================================ */
.ph-wrap{padding:12px 16px;overflow-y:auto;-webkit-overflow-scrolling:touch;height:calc(100vh - 56px)}

/* Category tabs */
.ph-tabs{display:flex;gap:6px;overflow-x:auto;padding:4px 0 12px;-webkit-overflow-scrolling:touch}
.ph-tabs::-webkit-scrollbar{display:none}
.ph-tab{padding:6px 14px;border-radius:20px;font-size:12px;font-weight:700;white-space:nowrap;cursor:pointer;
  background:#f1f3f4;color:#5f6368;transition:.15s;border:1.5px solid transparent;flex-shrink:0}
.ph-tab:active{transform:scale(.95)}
.ph-tab.sel{background:#e8f0fe;color:#1967d2;border-color:#aecbfa}

/* Rule cards list */
.ph-rules-list{display:flex;flex-direction:column;gap:10px}
.ph-rule-card{background:#fff;border-radius:14px;padding:12px 14px;box-shadow:0 2px 8px rgba(0,0,0,.05);cursor:pointer;transition:.15s;border:1.5px solid #e8eaed}
.ph-rule-card:active{transform:scale(.98);border-color:#aecbfa}
.ph-rule-h{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.ph-rule-pattern{padding:3px 10px;border-radius:8px;color:#fff;font-size:16px;font-weight:900;letter-spacing:.5px}
.ph-rule-name{font-size:14px;font-weight:800;color:#3c4043}
.ph-rule-sound{font-size:13px;color:#5f6368;font-weight:600;margin-left:auto}
.ph-rule-desc{font-size:12px;color:#9aa0a6;margin-bottom:8px}
.ph-rule-words{display:flex;flex-wrap:wrap;gap:4px}
.ph-rule-word{font-size:11px;background:#f8f9fa;border-radius:6px;padding:2px 8px;color:#3c4043;font-weight:600}
.ph-rule-more{font-size:11px;color:#4285F4;font-weight:700;padding:2px 6px}

/* Phonics detail view */
.ph-detail{max-width:440px;margin:0 auto}
.ph-detail-back{font-size:13px;color:#4285F4;cursor:pointer;font-weight:700;margin-bottom:12px;display:inline-block}
.ph-detail-back:active{opacity:.7}
.ph-detail-h{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.ph-detail-pattern{padding:8px 18px;border-radius:12px;color:#fff;font-size:28px;font-weight:900;letter-spacing:1px}
.ph-detail-info{flex:1}
.ph-detail-name{font-size:18px;font-weight:900;color:#3c4043}
.ph-detail-sound{font-size:14px;color:#5f6368}
.ph-detail-words{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.ph-detail-btns{display:flex;justify-content:center;margin-bottom:20px}

/* Word card in detail view */
.ph-word-card{background:#fff;border-radius:12px;padding:10px 14px;box-shadow:0 1px 6px rgba(0,0,0,.04);cursor:pointer;transition:.15s;border:1.5px solid #e8eaed}
.ph-word-card:active{transform:scale(.98)}
.ph-word-card.ph-tap{background:#e8f0fe;border-color:#aecbfa}
.ph-word-top{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.ph-word-em{font-size:22px}
.ph-word-en{font-size:18px;font-weight:900;flex:1}
.ph-word-zh{font-size:13px;color:#5f6368;font-weight:600}
.ph-word-snd{border:none;background:none;font-size:18px;cursor:pointer;padding:2px 6px}

/* Phonics segment (inline colored letters) */
.ph-seg{font-weight:900;letter-spacing:.5px;transition:color .2s}

/* Phonics breakdown card */
.ph-breakdown{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin-top:4px}
.ph-seg-card{border:2px solid;border-radius:10px;padding:6px 10px;text-align:center;min-width:40px}
.ph-seg-letters{font-size:18px;font-weight:900;letter-spacing:.5px}
.ph-seg-sound{font-size:11px;color:#5f6368;margin-top:2px}
.ph-seg-rule{font-size:9px;font-weight:700;border-radius:4px;padding:1px 5px;margin-top:3px;display:inline-block}

/* Practice (reuses rv-slot etc, add slot cur highlight) */
.rv-slot.cur{border-color:#4285F4;border-style:solid;animation:slotPulse 1s infinite}
@keyframes slotPulse{0%,100%{border-color:#4285F4}50%{border-color:#aecbfa}}

/* Phonics game shared styles */
.phg-round{padding:8px 16px 16px;max-width:440px;margin:0 auto}
.phg-progress{text-align:center;font-size:12px;font-weight:800;color:#9aa0a6;margin-bottom:6px}
.phg-prompt{text-align:center;padding:12px 0}
.phg-play-btn{background:#e8f0fe;border:2px solid #aecbfa;border-radius:20px;padding:16px 32px;cursor:pointer;transition:.15s;display:inline-block}
.phg-play-btn:active{transform:scale(.93);background:#d2e3fc}
.phg-hint-text{text-align:center;font-size:13px;color:#9aa0a6;font-weight:700;margin:4px 0 12px}
.phg-snd-mini{background:none;border:none;font-size:22px;cursor:pointer;margin-top:4px;display:inline-block}
.phg-snd-mini:active{transform:scale(.85)}
.phg-feedback{text-align:center;font-size:14px;font-weight:800;min-height:24px;margin:10px 0;transition:.2s}
/* Listen game options */
.phg-options{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.phg-opt{background:#fff;border:2.5px solid #e8eaed;border-radius:14px;padding:14px 10px;text-align:center;cursor:pointer;transition:.15s}
.phg-opt:active{transform:scale(.96);border-color:#aecbfa}
.phg-opt-em{display:block;font-size:28px;margin-bottom:4px}
.phg-opt-en{display:block;font-size:14px;font-weight:800;color:#3c4043;margin-bottom:2px}
.phg-opt-zh{display:block;font-size:11px;color:#9aa0a6;font-weight:700}
.phg-correct{border-color:#34A853!important;background:#e6f4ea!important}
.phg-wrong{border-color:#EA4335!important;background:#fce8e6!important}
/* Puzzle game */
.phg-pz-target{display:flex;gap:8px;justify-content:center;margin:12px 0;flex-wrap:wrap}
.phg-pz-slot{background:#f8f9fa;border:2.5px dashed #dadce0;border-radius:12px;min-height:50px;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:6px 10px;transition:.2s}
.phg-pz-slot-hint{font-size:11px;color:#bbb;font-weight:700}
.phg-pz-filled{border-style:solid;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.phg-pz-segs{display:flex;gap:8px;justify-content:center;margin:16px 0;flex-wrap:wrap}
.phg-pz-seg{border:2px solid;border-radius:14px;padding:10px 16px;cursor:pointer;transition:.2s;color:#fff;font-weight:800;text-align:center}
.phg-pz-seg:active{transform:scale(.92)}
.phg-pz-seg-letters{display:block;font-size:18px;letter-spacing:1px}
.phg-pz-seg-sound{display:block;font-size:10px;opacity:.85;margin-top:2px}
.phg-pz-used{opacity:.2;transform:scale(.85);pointer-events:none}
.phg-pz-shake{animation:phShake .3s ease-in-out}
@keyframes phShake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.phg-undo-btn{display:block;margin:0 auto;background:none;border:2px solid #dadce0;border-radius:10px;padding:6px 18px;font-size:13px;font-weight:700;color:#5f6368;cursor:pointer;transition:.15s;font-family:inherit}
.phg-undo-btn:active{background:#f1f3f4}
.phg-rules-back{font-size:13px;color:#4285F4;cursor:pointer;font-weight:700;margin:8px 16px;display:inline-block}
.phg-rules-back:active{opacity:.7}

/* Desktop */
@media(min-width:1025px) and (pointer:fine){
  .ph-home-btn{max-width:420px}
  .ph-rules-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
  .ph-detail{max-width:560px}
  .phg-round{max-width:560px}
  .phg-options{gap:12px}
  .phg-opt{padding:18px 12px}
  .phg-opt:hover{border-color:#aecbfa;transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.08)}
  .phg-pz-seg:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.15)}
}

/* ============================================================
   SPELLING GAMES
   ============================================================ */
/* Home button */
.sg-home-btn{display:block;width:calc(100% - 32px);max-width:380px;margin:0 auto 8px;padding:12px 18px;border:none;border-radius:14px;
  background:linear-gradient(135deg,#e8f0fe,#d2e3fc);color:#1967d2;font-size:16px;font-weight:800;cursor:pointer;transition:.15s;
  border:1.5px solid #aecbfa;text-align:center;font-family:inherit}
.sg-home-btn:active{transform:scale(.97)}

/* Wrap */
.sg-wrap{padding:0;flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column}

/* Selection screen */
.sg-select{padding:8px 16px 24px;flex:1}
.sg-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:4px 0}
.sg-game-card{border-radius:18px;padding:20px 12px;text-align:center;cursor:pointer;transition:all .25s;border:none;color:#fff;
  box-shadow:0 4px 16px rgba(0,0,0,.15)}
.sg-game-card:active{transform:scale(.95)}
.sg-card-icon{font-size:36px;margin-bottom:8px}
.sg-card-name{font-size:15px;font-weight:900;text-shadow:0 1px 3px rgba(0,0,0,.2)}
.sg-card-desc{font-size:11px;opacity:.9;margin-top:3px;font-weight:700}

/* HUD */
.sg-hud{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;flex-shrink:0}
.sg-lives{font-size:18px;letter-spacing:2px}
.sg-title-hud{font-size:14px;font-weight:900;color:#3c4043}
.sg-score{font-size:14px;font-weight:900;color:#F9AB00}

/* Word display */
.sg-word-display{text-align:center;padding:4px 16px;min-height:36px;display:flex;align-items:center;justify-content:center;gap:4px;flex-shrink:0}

/* Canvas wrap */
.sg-canvas-wrap{flex:1;min-height:160px;max-height:400px;padding:0 8px;position:relative;overflow:hidden}
.sg-canvas-wrap canvas{width:100%;border-radius:16px;display:block}

/* Input area */
.sg-input-area{padding:6px 16px;flex-shrink:0}
.sg-typed{display:flex;justify-content:center;gap:4px;flex-wrap:wrap;min-height:44px;align-items:center}
.sg-slot{width:32px;height:38px;border-radius:8px;background:#e8f0fe;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:900;color:#4285F4;border:2px dashed #c4cad0;transition:.2s}
.sg-slot.fill{background:#4285F4;color:#fff;border:2px solid #4285F4}
.sg-slot.cur{border-color:#4285F4;border-style:solid;animation:slotPulse 1s infinite}

/* VKB override for spelling games */
.sg-vkb{padding:4px 6px 10px;flex-shrink:0}

/* Result screen */
.sg-result{text-align:center;padding:32px 20px;display:flex;flex-direction:column;align-items:center;gap:8px;flex:1;overflow-y:auto}
.sg-result-icon{font-size:56px}
.sg-result-title{font-size:22px;font-weight:900;color:#3c4043}
.sg-result-score{font-size:36px;font-weight:900;color:#4285F4;margin:4px 0}
.sg-result-detail{font-size:13px;color:#5f6368;line-height:1.8;font-weight:700}
.sg-result-btns{display:flex;flex-direction:column;gap:8px;width:100%;max-width:280px;margin-top:16px}

/* Desktop adjustments */
@media(min-width:1025px) and (pointer:fine){
  .sg-home-btn{max-width:420px}
  .sg-wrap{max-width:640px;margin:0 auto;width:100%}
  .sg-cards{max-width:500px;margin:0 auto}
  .sg-game-card:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(0,0,0,.2)}
  .sg-vkb{display:none}
  .sg-canvas-wrap{max-height:450px}
}

/* ============================================================
   AI REPORT
   ============================================================ */
@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}
.ai-report{font-size:13px;line-height:1.8;color:#3c4043;background:#fff;border-radius:12px;padding:14px 16px;
  box-shadow:0 1px 6px rgba(0,0,0,.04);text-align:left}

/* ============================================================
   HOME v2 — Compact Dashboard Layout
   ============================================================ */
/* Cartoon font for home page */
#pg-home{font-family:'ZCOOL KuaiLe','Nunito','PingFang SC','Microsoft YaHei',sans-serif}

/* Centered header */
.home-header-v2{position:relative;text-align:center;padding:14px 16px 4px}
.home-header-actions{position:absolute;top:12px;right:12px;display:flex;align-items:center;gap:6px;z-index:2}
.home-mascot-mini{line-height:0;animation:float 3s ease-in-out infinite;filter:drop-shadow(0 4px 10px rgba(66,133,244,.2));display:inline-block}
.home-stars-pill{display:inline-flex;align-items:center;gap:4px;background:linear-gradient(135deg,#fff8e1,#fff3c4);padding:5px 12px;
  border-radius:14px;font-size:12px;font-weight:900;color:#F9AB00;border:1.5px solid rgba(251,188,5,.15)}
.home-icon-btn{width:34px;height:34px;border-radius:10px;border:none;background:rgba(255,255,255,.7);backdrop-filter:blur(6px);
  box-shadow:0 2px 8px rgba(0,0,0,.06);cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center;transition:.15s}
.home-icon-btn:active{transform:scale(.92)}

/* Override shared classes for compact home */
#pg-home .home-title{font-size:22px;margin-top:4px}
#pg-home .home-sub{font-size:12px;margin-top:2px;color:#9aa0a6}
#pg-home .player-switch{gap:12px;padding:2px 16px 4px;margin-top:0}
#pg-home .player-avatar{padding:6px 14px}
#pg-home .av-emoji{width:44px;height:44px}
#pg-home .home-sel{padding:0 16px 4px}
#pg-home .home-sel-txt{font-size:13px;padding:7px 16px}
#pg-home .review-banner{margin:0 16px 6px;max-width:none}
#pg-home .home-drawer{padding:0 16px}

/* Sections */
.home-section{padding:2px 16px 6px}
.home-sec-h{font-size:14px;font-weight:800;color:#5f6368;padding:4px 4px 8px;letter-spacing:.5px;text-align:center}

/* Card Grid — 3-column flex, centering last row */
.home-grid{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.hcard{width:calc((100% - 20px) / 3);border-radius:16px;padding:14px 8px 12px;text-align:center;cursor:pointer;
  transition:all .2s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;
  background:linear-gradient(145deg,var(--hc-from),var(--hc-to));
  box-shadow:0 4px 14px rgba(0,0,0,.12)}
.hcard:active{transform:scale(.93)}
.hcard::after{content:'';position:absolute;inset:0;border-radius:inherit;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25);pointer-events:none}
.hcard-icon{width:34px;height:34px;margin:0 auto 4px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.15))}
.hcard-icon svg{width:100%;height:100%;display:block}
.hcard-name{font-size:13px;font-weight:900;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.2)}

/* iPad / Tablet — Larger VKB & Input */
@media(min-width:600px) and (max-width:1024px){
  .vk{height:54px;max-width:50px;font-size:20px;border-radius:12px}
  .vk.wide{max-width:76px;font-size:16px}
  .vk.enter{max-width:94px;font-size:16px}
  .vkb{padding:8px 12px 16px}
  .vkb-row{gap:5px;margin-bottom:5px}
  .tp-slot{width:50px;height:58px;font-size:28px;border-radius:14px}
  .tp-slots{gap:8px;padding:12px 20px}
  .sg-slot{width:40px;height:46px;font-size:22px;border-radius:10px}
  .sg-typed{gap:6px;min-height:50px}
  .sg-vkb{padding:6px 10px 14px}
  .sg-canvas-wrap{max-height:280px}
  .tp-zh{font-size:26px}
  .tp-em{font-size:60px}
}

/* Desktop Home v2 — Peppa Pig Style */
@media(min-width:1025px) and (pointer:fine){
  /* Soft pastel sky — Peppa Pig palette */
  html,body{background:linear-gradient(180deg,#B0D4E8 0%,#BBDAED 40%,#C8E2F0 100%);min-height:100vh;height:auto}
  .page:not(#pg-home){background:#EEF5FD;border-radius:0;min-height:100vh}
  #pg-home{background:transparent;padding-bottom:120px}
  /* Single gentle hill — Peppa Pig style big green arc */
  .bg-hills{position:absolute;bottom:0;left:-8%;right:-8%;height:22vh;z-index:1;
    background:linear-gradient(180deg,#7CB342 0%,#689F38 100%);
    border-radius:50% 50% 0 0 / 120px 120px 0 0}
  .bg-hills::before,.bg-hills::after{content:none}
  /* Hide trees, stars, bubbles */
  .bg-tree,.bg-star,.bg-bubble{display:none}
  /* Sun — top-left corner */
  .bg-deco::after{content:'';position:fixed;top:5%;left:5%;width:70px;height:70px;
    background:#FFD54F;border-radius:50%;z-index:0;
    box-shadow:0 0 0 10px rgba(255,213,79,.25),0 0 0 22px rgba(255,213,79,.12),0 0 30px 8px rgba(255,213,79,.18)}
  /* Simple white clouds */
  .bg-cloud{opacity:.95;filter:none}
  .bg-cloud.c1{width:200px;height:66px;top:6%;left:16%;animation-duration:50s}
  .bg-cloud.c1::before{width:55px;height:55px;top:-28px;left:28px}
  .bg-cloud.c1::after{width:72px;height:72px;top:-36px;left:65px}
  .bg-cloud.c2{width:170px;height:56px;top:12%;right:14%;opacity:.9;animation-duration:60s}
  .bg-cloud.c2::before{width:48px;height:48px;top:-24px;left:20px}
  .bg-cloud.c2::after{width:62px;height:62px;top:-32px;left:52px}
  .bg-cloud.c3{width:140px;height:48px;bottom:auto;top:24%;left:50%;opacity:.8;animation-duration:45s}
  .bg-cloud.c3::before{width:40px;height:40px;top:-20px;left:16px}
  .bg-cloud.c3::after{width:54px;height:54px;top:-28px;left:42px}
  /* === Enlarged header elements === */
  .home-header-v2{max-width:1100px;margin:0 auto;padding:36px 50px 12px;width:100%}
  .home-header-actions{top:32px;right:50px}
  .home-mascot-mini svg{width:84px;height:84px}
  #pg-home .home-title{font-size:40px;text-shadow:0 2px 6px rgba(0,0,0,.08)}
  #pg-home .home-sub{font-size:18px}
  .home-stars-pill{font-size:17px;padding:8px 22px}
  .home-icon-btn{width:46px;height:46px;font-size:21px;border-radius:14px}
  #pg-home .player-switch{gap:28px;padding:8px 50px 12px;max-width:1100px;margin:0 auto}
  #pg-home .player-avatar{padding:14px 28px;border-radius:20px}
  #pg-home .av-emoji{width:72px;height:72px}
  #pg-home .av-name{font-size:17px}
  #pg-home .av-age{font-size:13px}
  #pg-home .home-sel{padding:0 50px 12px;max-width:1100px;margin:0 auto;width:100%}
  #pg-home .home-sel-txt{font-size:17px;padding:12px 28px}
  #pg-home .home-drawer{padding:0 50px;max-width:1100px;margin:0 auto;width:100%}
  #pg-home .review-banner{max-width:1020px;margin:0 auto 12px;padding:14px 20px;border-radius:16px}
  .review-banner-icon{font-size:30px}
  .review-banner-h{font-size:16px}
  .review-banner-sub{font-size:13px}
  .review-banner-go{font-size:15px}
  /* Content sections */
  .home-section{padding:4px 50px 10px;max-width:1100px;margin:0 auto;width:100%}
  .home-sec-h{font-size:17px;padding:10px 4px 12px;color:#3c4043;text-shadow:0 1px 3px rgba(255,255,255,.6)}
  .home-grid{gap:14px}
  .hcard{padding:22px 12px 18px;border-radius:18px}
  .hcard-icon{width:42px;height:42px;margin:0 auto 8px}
  .hcard-name{font-size:15px}
  .hcard:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(0,0,0,.2)}
}
/* Ultra-wide */
@media(min-width:1400px) and (pointer:fine){
  .home-header-v2,.home-section,#pg-home .player-switch,#pg-home .home-sel,#pg-home .home-drawer{max-width:1240px}
  #pg-home .review-banner{max-width:1160px}
  .hcard{width:calc((100% - 42px) / 4)}
  .bg-hills{height:26vh;border-radius:50% 50% 0 0 / 150px 150px 0 0}
}

/* ====== BOARD GAME ====== */
#pg-board{background:#f0f2f5;overflow:hidden !important}
.bd-topbar{display:flex;align-items:center;padding:6px 12px;gap:8px;flex-shrink:0;z-index:5;
  background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid rgba(0,0,0,.06)}
.bd-topbar-title{font-size:16px;font-weight:900;color:#3c4043}

/* Game area: column layout, NO SCROLL */
.bd-game-area{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative;min-height:0}

/* Top: Board canvas — max 55% of viewport height */
.bd-board-area{flex:0 0 auto;height:55vh;max-height:55vh;display:flex;align-items:center;justify-content:center;padding:0;overflow:hidden}
.bd-canvas-wrap{width:100%;height:100%}
.bd-canvas-wrap canvas{width:100%;height:100%}

/* Bottom: 3-column controls */
.bd-controls{display:flex;flex:1;min-height:0;gap:0;border-top:1px solid rgba(0,0,0,.08);background:rgba(255,255,255,.95)}

/* Left: word prompt (~20%) */
.bd-ctrl-left{width:18%;min-width:140px;padding:8px 12px;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:4px;border-right:1px solid rgba(0,0,0,.06)}
.bd-unit-badge{background:#e8f0fe;color:#1a73e8;padding:3px 10px;border-radius:8px;font-size:12px;
  font-weight:800;text-align:center;border:1.5px solid #c2d9fc}
.bd-word-meta{display:flex;gap:6px;align-items:center;justify-content:center}
.bd-timer{font-size:13px;font-weight:800;color:#5f6368;padding:2px 8px;background:#f8f9fa;border-radius:8px;
  cursor:pointer;border:1px solid #e0e0e0;transition:.15s;user-select:none}
.bd-timer:hover{background:#e8f0fe;border-color:#4285F4}
.bd-score-row{display:flex;gap:8px;align-items:center;justify-content:center}
.bd-score{font-size:13px;font-weight:800;color:#F9AB00}
.bd-accuracy{font-size:12px;font-weight:700;color:#34A853}
.bd-emoji{font-size:36px;line-height:1}
.bd-zh{font-size:18px;font-weight:900;color:#3c4043}
.bd-steps-badge{background:#4285F4;color:#fff;padding:2px 10px;border-radius:10px;font-size:11px;font-weight:800}
.bd-hint{font-size:14px;font-weight:700;color:#b0b0b0;letter-spacing:3px;font-family:monospace;margin-top:2px}
.bd-audio-row{display:flex;gap:6px;align-items:center;margin-top:2px}
.bd-audio-btn{width:32px;height:32px;border-radius:50%;border:none;background:rgba(66,133,244,.1);
  font-size:16px;cursor:pointer;transition:.15s}
.bd-audio-btn:active{transform:scale(.9)}
.bd-skip-btn{padding:3px 10px;border-radius:10px;border:1px solid #ddd;background:#fff;
  font-size:11px;font-weight:700;color:#9aa0a6;cursor:pointer}
.bd-giveup-btn{padding:3px 10px;border-radius:10px;border:1px solid #ef9a9a;background:#fff;
  font-size:11px;font-weight:700;color:#e53935;cursor:pointer}
.bd-giveup-btn:active{background:#fce4ec}
.bd-max-unit-label{font-size:11px;font-weight:700;color:#9aa0a6;margin-top:6px;text-align:center}
.bd-unit-btn-sel{border-color:#4285F4 !important;background:#e8f0fe !important;color:#1a73e8 !important}
.bd-mode-card-auto{cursor:default}
.bd-mode-card-auto:hover{transform:none;border-color:#e8e8e8}
.bd-start-auto{margin-top:8px;padding:8px 20px;font-size:14px}

/* Center: keyboard (~50%) */
.bd-ctrl-center{flex:1;padding:6px 8px;display:flex;flex-direction:column;justify-content:center;gap:4px}
.bd-status-bar{text-align:center;padding:4px 10px;font-size:13px;font-weight:800;color:#3c4043;
  background:#f8f9fa;border-radius:8px}
.bd-slots{display:flex;justify-content:center;gap:5px;padding:2px 0}
.bd-slot{width:34px;height:40px;border-radius:8px;background:#fff;border:2px solid #e0e0e0;
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;color:#3c4043;
  text-transform:lowercase;transition:.15s}
.bd-slot.fill{border-color:#4285F4;background:#e8f0fe;transform:scale(1.05)}
.bd-slot.yes{border-color:#34A853;background:#e8f5e9;color:#34A853}
.bd-slot.no{border-color:#EA4335;background:#fce4ec;color:#EA4335;animation:shake .4s}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.bd-keyboard{padding:0}
.bd-kb-row{display:flex;justify-content:center;gap:5px;margin-bottom:5px}
.bd-key{min-width:40px;height:46px;border-radius:8px;border:none;background:#fff;
  box-shadow:0 1px 3px rgba(0,0,0,.1);font-size:18px;font-weight:700;color:#3c4043;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:.1s;flex:1;max-width:52px}
.bd-key:active{transform:scale(.93);background:#e8f0fe}
.bd-key.wide{flex:1.5;max-width:68px;font-size:16px}
.bd-key.go{background:#34A853;color:#fff;font-size:20px}
.bd-key.go:active{background:#2d9249}
.bd-kb-space{display:none}
.bd-key-space{max-width:200px !important;min-width:120px;font-size:14px !important;color:#9aa0a6}
.bd-slot-space{width:20px !important;min-width:20px;border-style:dashed;border-color:#ccc;background:transparent !important}
.bd-slot-space.fill{border-color:#4285F4;background:rgba(66,133,244,.05) !important}
.bd-slot-hint{color:#ddd}

/* Right: players + chat (~30%) */
.bd-ctrl-right{width:28%;min-width:180px;padding:6px 8px;display:flex;flex-direction:column;gap:4px;
  border-left:1px solid rgba(0,0,0,.06)}
.bd-players-mini{display:flex;flex-direction:column;gap:4px}
.bd-pm{display:flex;align-items:center;gap:5px;padding:3px 6px;border-radius:8px;font-size:12px;font-weight:800}
.bd-pm-jason{background:#E3F2FD;color:#1565C0}
.bd-pm-dad{background:#FFEBEE;color:#C62828}
.bd-pm-av{width:28px;height:28px;flex-shrink:0}
.bd-pm-name{flex-shrink:0}
.bd-pos{font-size:14px;font-weight:900;margin-left:auto}
.bd-pm-bar{flex:1;height:5px;background:rgba(0,0,0,.08);border-radius:3px;min-width:30px}
.bd-pm-fill{height:100%;border-radius:3px;transition:width .4s;width:0}
.bd-pm-fill-j{background:#42A5F5}
.bd-pm-fill-d{background:#EF5350}

/* Chat */
.bd-chat{flex:1;display:flex;flex-direction:column;min-height:0}
.bd-chat-msgs{flex:1;overflow-y:auto;font-size:12px;color:#5f6368;padding:2px 0;min-height:30px;max-height:80px}
.bd-chat-msg{padding:1px 0;line-height:1.4}
.bd-chat-msg b{color:#3c4043}
.bd-chat-emojis{display:flex;gap:2px;flex-wrap:wrap}
.bd-chat-emojis button{width:28px;height:28px;border:none;background:transparent;font-size:16px;
  cursor:pointer;border-radius:6px;transition:.1s;padding:0}
.bd-chat-emojis button:active{background:rgba(0,0,0,.08);transform:scale(.9)}
.bd-chat-input{display:flex;gap:3px;margin-top:2px}
.bd-chat-input input{flex:1;border:1px solid #e0e0e0;border-radius:8px;padding:4px 8px;font-size:12px;
  outline:none;min-width:0;font-family:inherit}
.bd-chat-input input:focus{border-color:#4285F4}
.bd-chat-input button{padding:4px 10px;border:none;border-radius:8px;background:#4285F4;color:#fff;
  font-size:11px;font-weight:700;cursor:pointer;flex-shrink:0}
.bd-chat-input button:active{background:#3367d6}

/* Emoji effect overlay */
.bd-emoji-effect{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);font-size:80px;
  pointer-events:none;z-index:100;animation:emojiPop .8s ease-out forwards}
@keyframes emojiPop{0%{opacity:1;transform:translate(-50%,-50%) scale(.3)}40%{transform:translate(-50%,-50%) scale(1.3)}
  100%{opacity:0;transform:translate(-50%,-80%) scale(1)}}

/* Win overlay */
.bd-win-overlay{position:absolute;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;
  justify-content:center;z-index:10;animation:fadeIn .3s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.bd-win-box{background:#fff;border-radius:20px;padding:24px 20px;text-align:center;max-width:340px;
  width:90%;box-shadow:0 8px 32px rgba(0,0,0,.2);animation:popIn .4s cubic-bezier(.4,0,.2,1)}
@keyframes popIn{from{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}
.bd-win-icon{font-size:44px;margin-bottom:6px}
.bd-win-title{font-size:22px;font-weight:900;color:#3c4043;margin-bottom:4px}
.bd-win-sub{font-size:13px;color:#9aa0a6;font-weight:700;margin-bottom:10px}
.bd-win-wrong{text-align:left;font-size:12px;color:#5f6368;background:#f8f9fa;padding:8px 12px;
  border-radius:10px;margin-bottom:10px;max-height:100px;overflow-y:auto;line-height:1.5}
.bd-win-btns{display:flex;gap:8px;justify-content:center}
.bd-win-btn{padding:10px 20px;border-radius:12px;border:none;font-size:14px;font-weight:800;cursor:pointer;transition:.15s}
.bd-win-btn:active{transform:scale(.95)}
.bd-win-btn.pri{background:#4285F4;color:#fff}
.bd-win-btn.sec{background:#f1f3f4;color:#5f6368}

/* Character select screen */
.bd-select-screen{display:flex;flex-direction:column;align-items:center;gap:16px;padding:20px;
  max-width:500px;margin:0 auto;width:100%}
.bd-select-title{font-size:24px;font-weight:900;color:#3c4043}
.bd-select-tabs{display:flex;gap:8px}
.bd-tab{padding:10px 24px;border-radius:14px;border:2px solid #e0e0e0;background:#fff;
  font-size:15px;font-weight:800;cursor:pointer;transition:.15s;color:#9aa0a6}
.bd-tab.active{border-color:#4285F4;background:#e8f0fe;color:#4285F4}
.bd-select-section{width:100%}
.bd-select-label{font-size:13px;font-weight:800;color:#9aa0a6;margin-bottom:8px;text-align:center}
.bd-avatar-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.bd-avatar-card{width:80px;text-align:center;padding:6px;border-radius:12px;border:2px solid transparent;
  cursor:pointer;transition:.15s;background:rgba(255,255,255,.6)}
.bd-avatar-card:hover{background:rgba(255,255,255,.9);transform:translateY(-2px)}
.bd-avatar-card.selected{border-color:#4285F4;background:#e8f0fe;box-shadow:0 2px 8px rgba(66,133,244,.2)}
.bd-av-canvas{width:60px;height:60px;display:block;margin:0 auto}
.bd-av-name{font-size:11px;font-weight:800;color:#5f6368;margin-top:2px}
.bd-color-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.bd-color-dot{width:32px;height:32px;border-radius:50%;cursor:pointer;transition:.15s;
  border:3px solid transparent;box-shadow:0 1px 4px rgba(0,0,0,.15)}
.bd-color-dot:hover{transform:scale(1.15)}
.bd-color-dot.selected{border-color:#fff;box-shadow:0 0 0 3px #333,0 2px 8px rgba(0,0,0,.2)}
.bd-select-preview{margin:4px 0}
.bd-start-btn{padding:14px 40px;border-radius:16px;border:none;font-size:18px;font-weight:900;
  background:#4285F4;color:#fff;cursor:pointer;box-shadow:0 4px 16px rgba(66,133,244,.3);transition:.15s}
.bd-start-btn:hover{transform:translateY(-2px)}
.bd-start-btn:active{transform:scale(.97)}

/* Mode selection cards */
.bd-mode-cards{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin:12px 0}
.bd-mode-card{width:180px;padding:24px 16px;border-radius:16px;background:#fff;text-align:center;
  cursor:pointer;transition:.2s;border:2px solid #e8e8e8;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.bd-mode-card:hover{transform:translateY(-3px);border-color:#4285F4;box-shadow:0 4px 16px rgba(66,133,244,.15)}
.bd-mode-card:active{transform:scale(.97)}
.bd-mode-icon{font-size:36px;margin-bottom:6px}
.bd-mode-name{font-size:17px;font-weight:900;color:#3c4043}
.bd-mode-desc{font-size:12px;color:#9aa0a6;font-weight:600;margin-top:2px}
.bd-mode-card-unit{cursor:default}
.bd-mode-card-unit:hover{transform:none;border-color:#e8e8e8}
.bd-unit-grid{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:8px}
.bd-unit-btn{padding:8px 14px;border-radius:10px;border:1.5px solid #e0e0e0;background:#fff;
  font-size:13px;font-weight:800;color:#3c4043;cursor:pointer;transition:.15s;line-height:1.3}
.bd-unit-btn:hover{border-color:#4285F4;background:#e8f0fe;color:#1a73e8}
.bd-unit-btn:active{transform:scale(.95)}
.bd-unit-btn small{font-size:10px;font-weight:600;color:#9aa0a6}

/* Room code display */
.bd-room-code-display{text-align:center;padding:20px;background:#fff;border-radius:16px;
  box-shadow:0 2px 12px rgba(0,0,0,.06);margin:8px 0}
.bd-room-code-label{font-size:13px;color:#9aa0a6;font-weight:700}
.bd-room-code-big{font-size:48px;font-weight:900;color:#4285F4;letter-spacing:8px;margin:8px 0;
  font-family:'Nunito',monospace}
.bd-room-code-hint{font-size:12px;color:#9aa0a6}
.bd-room-input-wrap{margin:8px 0}
.bd-room-input{width:180px;font-size:28px;font-weight:900;text-align:center;letter-spacing:6px;
  border:2px solid #e0e0e0;border-radius:12px;padding:10px;outline:none;font-family:'Nunito',monospace}
.bd-room-input:focus{border-color:#4285F4}
.bd-back-link{background:none;border:none;color:#9aa0a6;font-size:13px;font-weight:700;
  cursor:pointer;padding:8px 16px;margin-top:8px}
.bd-back-link:hover{color:#5f6368}
.bd-waiting-dots{font-size:14px;color:#9aa0a6;font-weight:700;margin:8px 0}