*{box-sizing:border-box;font-family:Inter, system-ui, Arial, sans-serif}
:root{--bg:#f3f6ff;--card:#fff;--muted:#9aa3b2;--accent:#6c8cff;--accent-dark:#5b7aec}
html,body{height:100%;margin:0;background:linear-gradient(180deg,#eef2ff,white)}
.container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px}
.card{width:920px;max-width:95%;display:flex;background:var(--card);border-radius:20px;box-shadow:0 10px 30px rgba(30,40,60,0.12);overflow:hidden}
.panel{flex:1;display:flex;align-items:center;justify-content:center;padding:44px;position:relative;min-height:520px}
.left{background:white;color:#222}
.right{width:380px;background:linear-gradient(135deg,var(--accent),#92a9ff);color:white}
.panel-content{width:100%;display:none;}
.signup-view{display:block;}
.login-mode .signup-view{display:none;}
.login-mode .login-view{display:block;}
.title{margin:0 0 24px 0;font-size:28px;color:inherit}
.form{display:flex;flex-direction:column;gap:14px}
.input-label{position:relative;display:block}
.input-label input{width:100%;padding:14px 46px 14px 18px;border-radius:8px;border:1px solid #eef2f7;background:#f7f9fc}
.input-label .icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);opacity:0.8}
.primary{margin-top:6px;padding:12px;border-radius:8px;border:none;background:var(--accent);color:white;font-weight:600;cursor:pointer}
.primary:hover,.ghost:hover,.outline:hover{opacity:.95}
.social-title{margin:18px 0 8px 0;color:var(--muted);font-size:13px}
.social{display:flex;gap:10px}
.social-btn{width:42px;height:36px;border-radius:6px;border:1px solid #e6eefc;background:white;cursor:pointer}
.welcome-panel{text-align:center}
.welcome-panel h2{margin:0 0 12px 0;font-size:28px;line-height:1.1}
.welcome-panel p{margin:0 0 22px 0;opacity:0.9;color:inherit}
.ghost{padding:10px 18px;border-radius:8px;border:1px solid rgba(255,255,255,0.6);background:transparent;color:white;cursor:pointer}
.outline{padding:10px 18px;border-radius:8px;border:2px solid white;background:transparent;color:white;cursor:pointer}
.forgot{display:inline-block;margin-top:2px;color:var(--accent);font-size:14px;text-decoration:none}
.forgot:hover{text-decoration:underline}
.login-mode .left{background:linear-gradient(135deg,var(--accent),#92a9ff);color:white}
.login-mode .right{background:white;color:#222}
.login-mode .right .title{color:#222}
.login-mode .left .welcome-panel h2{color:white}
.login-mode .left .outline{border-color:rgba(255,255,255,0.8)}
.login-mode .left .welcome-panel p{color:rgba(255,255,255,0.9)}
.login-mode .left .social-btn{background:rgba(255,255,255,0.95)}
.login-mode .right .input-label input{background:#f7f9fc;border-color:#e9eef6}
.login-mode .right .forgot{color:var(--accent)}
.login-mode .right .social-btn{background:white}
.card{position:relative}
@media (max-width:880px){
  .card{flex-direction:column}
  .right{width:100%}
  .panel{padding:30px}
}