:root{
  --navy:#0F172A;
  --teal:#0F766E;
  --teal-lt:#14B8A6;
  --cyan:#2DD4BF;
  --cyan-lt:#99F6E4;
  --bg:#F0FDFA;
  --bg2:#CCFBF1;
  --muted:#64748b;
  --border:#e2e8f0;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Inter,sans-serif;background:var(--bg);}
.logo{text-align:center; padding: 15px;}
.logo img{height:3rem;}

/* WRAPPER */
.pg-auth-wrap{
  max-width:1100px;
  margin:70px auto;
  background:#fff;
  display:flex;
  border-radius:22px;
  overflow:hidden;
  box-shadow:0 30px 70px rgba(15,23,42,.12);
  border:1px solid var(--border);
}

/* LEFT */
.pg-left{flex:1;padding: 21px 45px 43px;}
.pg-tabs{display:flex;gap:30px;border-bottom:1px solid var(--border);margin-bottom:25px;}
.pg-tabs button{
  background:none;border:none;font-size:15px;padding-bottom:10px;
  cursor:pointer;color:#94a3b8;font-family:Inter,sans-serif;font-weight:500;
  transition:color .15s;
}
.pg-tabs button.active{color:var(--teal);border-bottom:2px solid var(--teal);font-weight:700;}
.pg-form h2{font-size:24px;margin-bottom:6px;color:var(--navy);font-weight:800;letter-spacing:-.5px;}
.pg-form p{font-size:14px;color:var(--muted);margin-bottom:24px;}
.pg-form input{width:100%;padding:13px 14px;border-radius:10px;border:1.5px solid var(--border);margin-bottom:14px;font-size:14px;background:#fff;transition:border-color .15s,box-shadow .15s;}
.pg-form input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(45,212,191,.15);}
.row-2{display:flex;gap:12px;}
.meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;margin:10px 0 18px;}
.meta label{display:flex;align-items:center;gap:8px;cursor:pointer;white-space:nowrap;color:var(--muted);}
.meta input{margin:0}
.meta a{color:var(--teal);text-decoration:none;font-weight:600;}
.main-btn{width:100%;padding:14px;border:none;border-radius:12px;background:var(--cyan);color:var(--navy);font-size:15px;font-weight:800;cursor:pointer;transition:all .2s;}
.main-btn:hover{background:var(--cyan-lt);transform:translateY(-1px);box-shadow:0 8px 20px rgba(45,212,191,.35);}
.or{text-align:center;margin:18px 0 14px;font-size:13px;color:var(--muted);}
.social-btns{display:flex;gap:12px;}
.social-btns button{flex:1;padding:12px;border-radius:10px;border:1.5px solid var(--border);background:#fff;font-size:14px;cursor:pointer;}
.google{color:var(--teal)}
.fb{color:var(--teal)}

/* RIGHT */
.pg-right{
  flex:1;
  padding:45px;
  color:#fff;
  background:
    linear-gradient(160deg,rgba(15,23,42,.93),rgba(15,118,110,.82)),
    url("https://images.unsplash.com/photo-1522708323590-d24dbb6b0267");
  background-size:cover;
  background-position:center;
  display:flex;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.pg-right::before{content:'';position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(45,212,191,.25),transparent 70%);top:-160px;right:-120px;pointer-events:none;}
.pg-right-content{width:100%;position:relative;z-index:2;}
.pg-right h3{font-size:30px;margin-bottom:10px;font-weight:800;letter-spacing:-.5px;}
.pg-right p{font-size:15px;margin-bottom:18px;color:rgba(255,255,255,.75);}
.pg-right ul{list-style:none;}
.pg-right ul li{margin-bottom:10px;color:rgba(255,255,255,.85);}
.pg-right ul li::before{content:"✔";margin-right:8px;color:var(--cyan);}
.right-follow{margin-top:35px;padding-top:20px;border-top:1px solid rgba(255,255,255,.18);}
.right-follow span{font-size:14px;opacity:.75;display:block;margin-bottom:10px;}
.right-follow-icons{display:flex;gap:12px;}
.right-follow-icons a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;transition:.2s;border:1px solid rgba(255,255,255,.14);}
.right-follow-icons a:hover{background:var(--cyan);color:var(--navy);border-color:var(--cyan);}

.alert-success { padding: 14px 16px; margin-bottom: 16px; border-radius: 10px; background: var(--bg); border: 1px solid var(--bg2); text-align: center; color: var(--teal); font-weight: 700; font-size: 13px; }
.alert-danger { padding: 14px 16px; margin-bottom: 16px; border-radius: 10px; background: #fef2f2; border: 1px solid #fecaca; text-align: center; color: #dc2626; font-weight: 700; font-size: 13px; }

/* MOBILE */
@media(max-width:900px){
  .pg-auth-wrap{flex-direction:column;margin:0;border-radius:0;}
  .pg-right{order:-1;padding:30px}
  .pg-left{padding:30px 20px}
}