/* Public pages (home, login, register) - light mint theme */
:root{--mint:#2ecc71;--mint-dark:#27ae60;--mint-soft:rgba(74,222,154,0.12);--mint-line:rgba(74,222,154,0.3);--ink:#1a2e25;--text:#0d1117;--text2:#374151;--gray:#6b7280;--gray2:#9ca3af;--line:#e2e8e5;--line2:#eef1f0;--bg:#f8f9fa;--red:#ef4444;--green:#22c55e;}
*{margin:0;padding:0;box-sizing:border-box;}
[hidden]{display:none!important;}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--text);font-family:'Segoe UI',system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;}
a{text-decoration:none;color:inherit;}
button{font-family:inherit;}

/* Nav */
nav.top{position:fixed;top:1rem;left:50%;transform:translateX(-50%);width:calc(100% - 2rem);max-width:1100px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,0.92);backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:16px;padding:0.75rem 1.25rem;z-index:100;box-shadow:0 4px 20px rgba(0,0,0,0.06);}
.logo{font-size:1.2rem;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:0.45rem;white-space:nowrap;}
.logo span{color:var(--mint);}
.nav-links{display:flex;gap:1.8rem;}
.nav-links a{color:var(--gray);font-size:0.9rem;font-weight:500;transition:color 0.2s;}
.nav-links a:hover{color:var(--ink);}
.nav-actions{display:flex;gap:0.6rem;align-items:center;}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text2);padding:0.45rem 1.1rem;border-radius:10px;font-size:0.88rem;font-weight:500;cursor:pointer;transition:all 0.2s;display:inline-block;}
.btn-ghost:hover{border-color:var(--mint);color:var(--mint);}
.btn-mint{background:var(--mint);color:white;padding:0.45rem 1.2rem;border-radius:10px;font-size:0.88rem;font-weight:600;border:none;cursor:pointer;transition:all 0.2s;display:inline-block;}
.btn-mint:hover{background:var(--mint-dark);}

/* Hero */
.hero{padding:9rem 1.5rem 4rem;text-align:center;max-width:820px;margin:0 auto;}
.hero-badge{display:inline-flex;align-items:center;gap:0.5rem;background:var(--mint-soft);border:1px solid var(--mint-line);color:var(--mint);padding:0.35rem 1rem;border-radius:999px;font-size:0.78rem;font-weight:700;margin-bottom:1.8rem;letter-spacing:0.02em;}
.hero-badge .pulse{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 0 rgba(46,204,113,0.6);animation:pulse 2s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(46,204,113,0.6)}70%{box-shadow:0 0 0 8px rgba(46,204,113,0)}100%{box-shadow:0 0 0 0 rgba(46,204,113,0)}}
.hero h1{font-size:clamp(2.2rem,6vw,3.8rem);font-weight:900;line-height:1.12;color:var(--ink);margin-bottom:1.2rem;letter-spacing:-0.02em;}
.hero h1 em{font-style:normal;color:var(--mint);}
.hero p{color:var(--gray);font-size:1.05rem;line-height:1.7;max-width:560px;margin:0 auto 2.4rem;}
.hero-btns{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;}
.btn-lg{padding:0.85rem 2.2rem;border-radius:12px;font-size:1rem;font-weight:700;cursor:pointer;border:none;transition:all 0.2s;display:inline-block;}
.btn-lg.mint{background:var(--mint);color:white;}
.btn-lg.mint:hover{background:var(--mint-dark);transform:translateY(-2px);}
.btn-lg.outline{background:white;color:var(--text2);border:1.5px solid var(--line);}
.btn-lg.outline:hover{border-color:var(--mint);color:var(--mint);}

/* Stats strip */
.stats{display:flex;width:calc(100% - 2rem);max-width:760px;margin:0 auto 4rem;background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden;}
.stat{flex:1;padding:1.4rem 1rem;text-align:center;border-right:1px solid var(--line);}
.stat:last-child{border-right:none;}
.stat-n{font-size:1.7rem;font-weight:800;color:var(--text);}
.stat-l{color:var(--gray2);font-size:0.8rem;margin-top:0.2rem;}

/* Sections */
.section{padding:4.5rem 1.5rem;max-width:1100px;margin:0 auto;}
.sec-tag{display:inline-block;color:var(--mint);font-size:0.78rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;margin-bottom:0.6rem;}
.sec-title{font-size:clamp(1.6rem,4vw,2rem);font-weight:800;color:var(--ink);margin-bottom:0.6rem;letter-spacing:-0.01em;}
.sec-sub{color:var(--gray);font-size:0.97rem;margin-bottom:2.8rem;line-height:1.6;}
.text-center{text-align:center;}

.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.2rem;}
.feat-card{background:white;border:1px solid var(--line);border-radius:16px;padding:1.7rem;transition:all 0.2s;}
.feat-card:hover{border-color:var(--mint);transform:translateY(-3px);box-shadow:0 10px 30px rgba(46,204,113,0.08);}
.feat-icon{width:44px;height:44px;background:var(--mint-soft);color:var(--mint);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:1rem;}
.feat-icon svg{width:22px;height:22px;}
.feat-card h3{font-size:1rem;font-weight:700;margin-bottom:0.4rem;color:var(--ink);}
.feat-card p{color:var(--gray);font-size:0.88rem;line-height:1.6;}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.2rem;counter-reset:step;}
.step{background:white;border:1px solid var(--line);border-radius:16px;padding:1.6rem;position:relative;}
.step-n{width:34px;height:34px;border-radius:10px;background:var(--ink);color:white;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:1rem;font-size:0.9rem;}
.step h3{font-size:0.98rem;font-weight:700;color:var(--ink);margin-bottom:0.4rem;}
.step p{color:var(--gray);font-size:0.87rem;line-height:1.6;}

/* Code block */
.code-wrap{background:var(--ink);border-radius:16px;overflow:hidden;max-width:720px;margin:0 auto;box-shadow:0 20px 50px rgba(26,46,37,0.18);}
.code-tabs{display:flex;border-bottom:1px solid rgba(255,255,255,0.08);overflow-x:auto;}
.ctab{padding:0.75rem 1.2rem;font-size:0.82rem;color:rgba(255,255,255,0.45);cursor:pointer;border:none;background:transparent;transition:all 0.2s;border-bottom:2px solid transparent;white-space:nowrap;}
.ctab.active{color:#4ade9a;border-bottom-color:#4ade9a;}
.code-wrap pre{padding:1.4rem 1.5rem;font-size:0.82rem;line-height:1.8;overflow-x:auto;color:#e2e8e5;font-family:'Cascadia Code',Consolas,monospace;}
.c1{color:#4ade9a;}.c2{color:#93c5fd;}.c3{color:#fde68a;}.c4{color:rgba(255,255,255,0.35);}

/* CTA */
.cta{background:var(--ink);border-radius:24px;padding:3.5rem 2rem;text-align:center;color:white;position:relative;overflow:hidden;}
.cta::before{content:'';position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(46,204,113,0.25),transparent 70%);top:-200px;right:-120px;}
.cta h2{font-size:clamp(1.5rem,4vw,2.1rem);font-weight:900;margin-bottom:0.7rem;position:relative;}
.cta p{color:rgba(255,255,255,0.6);margin-bottom:1.8rem;position:relative;}
.cta .btn-lg{position:relative;}

footer{border-top:1px solid var(--line);padding:2rem 1.5rem;text-align:center;color:var(--gray2);font-size:0.83rem;}

/* Auth pages */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#f0f4f2;padding:2rem 1rem;}
.auth-scene{display:flex;width:840px;max-width:100%;min-height:540px;border-radius:24px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,0.12);background:white;}
.auth-stage{width:380px;position:relative;background:linear-gradient(160deg,#e8f5ee,#d4ede0);flex-shrink:0;overflow:hidden;}
.auth-stage-label{position:absolute;bottom:1rem;left:1.5rem;font-size:1.2rem;font-weight:900;color:rgba(0,0,0,0.07);letter-spacing:3px;}
.auth-card{flex:1;padding:2.4rem 2.2rem;display:flex;flex-direction:column;justify-content:center;}
.auth-logo{font-size:1.1rem;font-weight:800;color:var(--ink);margin-bottom:1.3rem;}
.auth-logo span{color:var(--mint);}
.auth-card h2{font-size:1.6rem;font-weight:800;color:var(--ink);margin-bottom:0.3rem;}
.auth-sub{color:var(--gray2);font-size:0.86rem;margin-bottom:1.5rem;}
.af{margin-bottom:1rem;}
.af label{display:block;font-size:0.72rem;color:var(--gray);margin-bottom:0.35rem;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;}
.af input{width:100%;border:none;border-bottom:1.5px solid #e5e5e5;padding:0.5rem 0;font-size:0.93rem;color:var(--ink);outline:none;background:transparent;transition:border-color 0.2s;font-family:inherit;}
.af input:focus{border-color:var(--mint);}
.af input.err{border-color:var(--red);}
.af input.ok{border-color:var(--green);}
.af .hint{font-size:0.72rem;color:var(--gray2);margin-top:0.3rem;}
.pw-wr{position:relative;}
.pw-wr input{padding-right:2rem;}
.eye-b{position:absolute;right:0;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:#bbb;font-size:0.9rem;}
.emsg{color:var(--red);font-size:0.72rem;margin-top:0.25rem;display:none;}
.emsg.on{display:block;}
.btn-auth{width:100%;padding:0.85rem;border-radius:12px;border:none;background:var(--mint);color:white;font-size:0.94rem;font-weight:700;cursor:pointer;margin:0.4rem 0 0.8rem;transition:all 0.2s;}
.btn-auth:hover{background:var(--mint-dark);}
.btn-auth:disabled{opacity:0.6;cursor:wait;}
.auth-switch{text-align:center;margin-top:0.6rem;font-size:0.82rem;color:var(--gray2);}
.auth-switch a{color:var(--mint);font-weight:600;}
.alert-box{padding:0.7rem 1rem;border-radius:8px;font-size:0.83rem;margin-bottom:0.9rem;display:none;}
.alert-box.err{background:rgba(239,68,68,0.08);border:1px solid rgba(239,68,68,0.2);color:var(--red);display:block;}
.alert-box.ok{background:rgba(34,197,94,0.08);border:1px solid rgba(34,197,94,0.2);color:#16a34a;display:block;}
.btn-google{width:100%;padding:0.75rem;border-radius:12px;border:1.5px solid var(--line);background:white;color:var(--text2);font-size:0.9rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:0.6rem;transition:border-color .2s,box-shadow .2s;}
.btn-google:hover{border-color:#c9d3ce;box-shadow:0 2px 10px rgba(0,0,0,0.05);}
.btn-google svg{width:18px;height:18px;}
.divider{display:flex;align-items:center;gap:0.8rem;margin:0.9rem 0;color:var(--gray2);font-size:0.75rem;}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--line);}
.auth-row{display:flex;justify-content:flex-end;margin:-0.4rem 0 0.6rem;}
.auth-fgt{font-size:0.8rem;color:var(--mint);font-weight:600;}
.code-input{width:100%;border:1.5px solid var(--line);border-radius:14px;padding:0.85rem;font-size:1.7rem;font-weight:800;letter-spacing:0.6em;text-align:center;color:var(--ink);outline:none;font-family:'Cascadia Code',Consolas,monospace;transition:border-color .2s;text-indent:0.6em;}
.code-input:focus{border-color:var(--mint);}
.code-input.err{border-color:var(--red);}
.link-btn{background:none;border:none;color:var(--mint);font-weight:600;cursor:pointer;font-size:0.82rem;padding:0;}
.link-btn:disabled{color:var(--gray2);cursor:default;}
.sent-to{background:#f0f4f2;border-radius:10px;padding:0.7rem 0.9rem;font-size:0.84rem;color:var(--text2);margin-bottom:1.1rem;word-break:break-all;}
.sent-to b{color:var(--ink);}
@keyframes shk{0%,100%{transform:translateX(0)}20%{transform:translateX(-10px)}40%{transform:translateX(10px)}60%{transform:translateX(-6px)}80%{transform:translateX(6px)}}

/* Cursor (desktop only) */
.cursor-dot{position:fixed;width:10px;height:10px;border-radius:50%;background:var(--mint);pointer-events:none;z-index:9999;transform:translate(-50%,-50%);mix-blend-mode:multiply;}
.cursor-ring{position:fixed;width:36px;height:36px;border-radius:50%;border:2px solid rgba(46,204,113,0.5);pointer-events:none;z-index:9998;transform:translate(-50%,-50%);}
@media (hover:none){.cursor-dot,.cursor-ring{display:none;}}

/* Characters */
.cw{position:absolute;transform-origin:bottom center;}
.ci{width:100%;height:100%;transform-origin:bottom center;position:relative;}
#wO{width:155px;height:135px;bottom:50px;left:18px;animation:fO .7s cubic-bezier(.34,1.6,.64,1) .1s both;}
#wP{width:105px;height:225px;bottom:50px;left:108px;animation:fP .7s cubic-bezier(.34,1.6,.64,1) .22s both;}
#wB{width:88px;height:178px;bottom:50px;left:205px;animation:fB .7s cubic-bezier(.34,1.6,.64,1) .06s both;}
#wY{width:82px;height:132px;bottom:50px;left:285px;animation:fY .7s cubic-bezier(.34,1.6,.64,1) .34s both;}
@keyframes fO{from{transform:translate(-220px,180px) rotate(-28deg) scale(.2);}to{transform:none;}}
@keyframes fP{from{transform:translate(0,-300px) rotate(20deg) scale(.3);}to{transform:none;}}
@keyframes fB{from{transform:translate(130px,-340px) rotate(24deg) scale(.2);}to{transform:none;}}
@keyframes fY{from{transform:translate(190px,160px) rotate(20deg) scale(.2);}to{transform:none;}}
#iO{background:#ff7a1a;border-radius:50% 50% 46% 46%;animation:bO 3s ease-in-out infinite;}
#iP{background:linear-gradient(160deg,#9b30ff,#6a0dad);border-radius:20px 20px 12px 12px;animation:bP 3.5s ease-in-out infinite .4s;}
#iB{background:linear-gradient(160deg,#2d2d2d,#111);border-radius:14px 14px 8px 8px;animation:bB 4s ease-in-out infinite .8s;}
#iY{background:linear-gradient(160deg,#ffe033,#f0b800);border-radius:40px 40px 12px 12px;animation:bY 2.8s ease-in-out infinite .2s;}
@keyframes bO{0%,100%{transform:scaleY(1) translateY(0);}50%{transform:scaleY(1.04) translateY(-5px);}}
@keyframes bP{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}
@keyframes bB{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}
@keyframes bY{0%,100%{transform:scaleY(1) translateY(0);}50%{transform:scaleY(1.03) translateY(-4px);}}
.face{position:absolute;display:flex;flex-direction:column;align-items:center;gap:7px;pointer-events:none;left:50%;transform:translateX(-50%);}
#iO .face{bottom:26px;}
#iP .face{top:28px;}
#iB .face{top:24px;}
#iY .face{top:20px;}
.eyes{display:flex;gap:11px;}
.eye{width:12px;height:12px;border-radius:50%;background:#1a0800;position:relative;overflow:hidden;}
.eye::after{content:'';position:absolute;top:2px;left:2px;width:4px;height:4px;background:rgba(255,255,255,.9);border-radius:50%;}
#iB .eye{background:white;}
#iB .eye::after{background:#111;width:6px;height:6px;top:3px;left:3px;}
.ms{width:20px;height:10px;border:2.5px solid #1a0800;border-top:none;border-radius:0 0 12px 12px;}
.md{width:20px;height:10px;border:2.5px solid #1a0800;border-bottom:none;border-radius:12px 12px 0 0;margin-top:4px;display:none;}
.mf{width:16px;height:2.5px;background:#1a0800;border-radius:2px;transition:width .3s ease;}
.mfw{width:16px;height:2.5px;background:white;border-radius:2px;}
.hands{position:absolute;top:18px;left:50%;transform:translateX(-50%);display:flex;gap:3px;opacity:0;transition:opacity .3s;z-index:3;}
.hand{width:19px;height:19px;background:#2d2d2d;border-radius:50%;}
.shy .hands{opacity:1;}.shy .eyes{opacity:0;}

/* Mobile menu */
.nav-toggle{display:none;width:38px;height:38px;border:none;background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:10px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .25s;}
nav.top.open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
nav.top.open .nav-toggle span:nth-child(2){opacity:0;}
nav.top.open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media (max-width:820px){
  .nav-toggle{display:flex;}
  .nav-links{display:none;}
  nav.top{flex-wrap:wrap;}
  nav.top.open .nav-links{display:flex;flex-direction:column;gap:0;width:100%;order:3;padding:0.6rem 0 0.2rem;margin-top:0.6rem;border-top:1px solid var(--line);}
  nav.top.open .nav-links a{padding:0.7rem 0.2rem;font-size:0.95rem;}
  nav.top.on-dark.open .nav-links{border-top-color:rgba(255,255,255,0.1);}
  .auth-stage{display:none;}
  .auth-card{padding:2rem 1.5rem;}
  .auth-scene{min-height:auto;}
}
@media (max-width:420px){
  .hs{display:none;}
  nav.top{width:calc(100% - 1.25rem);}
  .nav-actions .btn-mint{padding:0.42rem 0.8rem;font-size:0.82rem;}
}
@media (max-width:560px){
  nav.top{padding:0.65rem 0.9rem;}
  .logo{font-size:1.05rem;}
  .nav-actions .btn-ghost{display:none;}
  .stats{flex-wrap:wrap;}
  .stat{flex:1 1 50%;border-bottom:1px solid var(--line);}
  .stat:nth-child(2n){border-right:none;}
  .stat:nth-last-child(-n+2){border-bottom:none;}
}