/* =========================================================
   AUTH PAGES — login / register / forgot / reset
   ========================================================= */
.auth-main{
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  padding:calc(var(--header-h) + 130px) 20px 90px;
  position:relative;
}

/* ---------- card ---------- */
.auth-card{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  width:100%;
  max-width:1080px;
  background:var(--surface-2);
  -webkit-backdrop-filter:blur(26px);backdrop-filter:blur(26px);
  border:1px solid var(--glass-line);
  border-radius:28px;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}

/* ---------- left visual ---------- */
.auth-visual{
  position:relative;
  padding:48px 46px;
  background:linear-gradient(140deg,var(--accent) 0%,#8b7cff 55%,var(--accent-2) 130%);
  color:#fff;
  display:flex;flex-direction:column;justify-content:space-between;
  overflow:hidden;
  min-height:600px;
}
.auth-visual::before{
  content:"";position:absolute;
  width:460px;height:460px;border-radius:50%;
  background:rgba(255,255,255,.10);
  top:-180px;right:-160px;
}
.auth-visual::after{
  content:"";position:absolute;
  width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.08);
  bottom:-160px;left:-120px;
}
.auth-visual > *{position:relative;z-index:2;}

.av-brand{
  display:flex;align-items:center;gap:11px;
  font-family:'Poppins',sans-serif;font-weight:800;font-size:1.3rem;
  letter-spacing:-.4px;
}
.av-brand .mark{
  width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.22);
  border:1px solid rgba(255,255,255,.30);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  font-size:.98rem;font-weight:800;
}

.av-mid{margin-top:auto;margin-bottom:34px;}
.av-mid h2{
  font-family:'Poppins',sans-serif;font-weight:700;
  font-size:clamp(1.5rem,2.4vw,2.05rem);
  line-height:1.18;margin-bottom:14px;
}
.av-mid p{
  font-size:.94rem;line-height:1.75;
  color:rgba(255,255,255,.86);max-width:36ch;
}

.auth-features{list-style:none;padding:0;margin:26px 0 0;}
.auth-features li{
  display:flex;align-items:center;gap:12px;
  padding:9px 0;font-size:.88rem;
  color:rgba(255,255,255,.94);
}
.auth-features li span{
  width:24px;height:24px;border-radius:50%;
  background:rgba(255,255,255,.22);
  border:1px solid rgba(255,255,255,.32);
  display:grid;place-items:center;
  font-size:.72rem;flex-shrink:0;
}

.av-foot{
  display:flex;align-items:center;gap:10px;
  font-size:.8rem;color:rgba(255,255,255,.72);
}
.av-foot .stars{color:#FFD166;letter-spacing:2px;font-size:.9rem;}

/* ---------- right form panel ---------- */
.auth-form-panel{
  padding:48px 46px;
  display:flex;flex-direction:column;justify-content:center;
}

.auth-head{margin-bottom:30px;}
.auth-head h1{
  font-family:'Poppins',sans-serif;font-weight:700;
  font-size:1.75rem;margin-bottom:8px;letter-spacing:-.02em;
}
.auth-head p{color:var(--muted);font-size:.92rem;line-height:1.6;}

/* ---------- alerts ---------- */
.alert{
  padding:13px 16px;border-radius:12px;
  font-size:.85rem;line-height:1.55;
  margin-bottom:18px;
  display:flex;align-items:flex-start;gap:10px;
}
.alert svg{width:17px;height:17px;flex-shrink:0;margin-top:2px;}
.alert-error{background:rgba(255,91,110,.13);color:var(--danger);border:1px solid rgba(255,91,110,.28);}
.alert-success{background:rgba(0,194,168,.13);color:#008f7d;border:1px solid rgba(0,194,168,.28);}
[data-theme="dark"] .alert-success{color:#25e0c4;}

/* ---------- fields ---------- */
.field{margin-bottom:18px;}
.field label{
  display:block;font-size:.82rem;font-weight:600;
  color:var(--muted);margin-bottom:7px;letter-spacing:.1px;
}
.field-wrap{position:relative;}
.field-wrap input{
  width:100%;
  padding:14px 46px 14px 46px;
  border-radius:12px;
  border:1px solid var(--hairline);
  background:var(--surface);
  color:var(--ink);
  outline:0;font-size:.92rem;
  transition:border-color .25s ease,background .25s ease,box-shadow .25s ease;
}
.field-wrap input:focus{
  border-color:var(--accent);
  background:var(--surface-2);
  box-shadow:0 0 0 4px var(--accent-soft);
}
.field-wrap input::placeholder{color:var(--muted);opacity:.65;}

.field-icon-l{
  position:absolute;left:15px;top:50%;
  transform:translateY(-50%);
  color:var(--muted);pointer-events:none;
  display:grid;place-items:center;
}
.field-icon-l svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}

.field-toggle{
  position:absolute;right:8px;top:50%;
  transform:translateY(-50%);
  width:34px;height:34px;border-radius:9px;
  border:0;background:transparent;color:var(--muted);
  display:grid;place-items:center;cursor:pointer;
  transition:color .2s ease,background .2s ease;
}
.field-toggle:hover{color:var(--accent);background:var(--accent-soft);}
.field-toggle svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}

.field-hint{font-size:.75rem;color:var(--muted);margin-top:7px;}

/* password strength */
.strength{
  display:flex;gap:5px;margin-top:9px;
}
.strength span{
  flex:1;height:4px;border-radius:100px;
  background:var(--hairline);transition:background .3s ease;
}
.strength[data-lv="1"] span:nth-child(1){background:var(--danger);}
.strength[data-lv="2"] span:nth-child(-n+2){background:#F5A524;}
.strength[data-lv="3"] span:nth-child(-n+3){background:var(--accent-2);}
.strength[data-lv="4"] span{background:linear-gradient(90deg,var(--accent-2),var(--accent));}

/* checkbox */
.row-between{
  display:flex;justify-content:space-between;align-items:center;
  gap:14px;flex-wrap:wrap;margin-bottom:22px;
}
.checkbox{
  display:flex;align-items:center;gap:9px;
  font-size:.85rem;color:var(--muted);
  cursor:pointer;user-select:none;
}
.checkbox input{position:absolute;opacity:0;pointer-events:none;}
.checkbox .box{
  width:19px;height:19px;border-radius:6px;
  border:1.6px solid var(--hairline);
  background:var(--surface);
  display:grid;place-items:center;flex-shrink:0;
  transition:all .22s ease;
  cursor:pointer;
}
.checkbox .box svg{
  width:11px;height:11px;
  stroke:#fff;fill:none;stroke-width:3.2;
  stroke-linecap:round;stroke-linejoin:round;
  opacity:0;transition:opacity .2s ease;
}
.checkbox input:checked + .box{background:var(--accent);border-color:var(--accent);}
.checkbox input:checked + .box svg{opacity:1;}
.checkbox input:focus-visible + .box{box-shadow:0 0 0 4px var(--accent-soft);}

.link-sm{
  font-size:.85rem;color:var(--accent);font-weight:600;
  transition:opacity .2s ease;
}
.link-sm:hover{opacity:.75;}

/* submit */
.auth-submit{
  width:100%;padding:15px 22px;
  border-radius:12px;border:0;
  background:linear-gradient(135deg,var(--accent),#8b7cff);
  color:#fff;font-weight:700;font-size:.94rem;letter-spacing:.2px;
  cursor:pointer;
  box-shadow:0 14px 32px rgba(108,92,231,.42);
  transition:transform .25s ease,box-shadow .3s ease,opacity .25s ease;
  display:flex;align-items:center;justify-content:center;gap:10px;
}
.auth-submit:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(108,92,231,.55);}
.auth-submit:active{transform:scale(.985);}
.auth-submit:disabled{opacity:.6;cursor:not-allowed;transform:none;}
.auth-submit:disabled:hover{transform:none;box-shadow:0 14px 32px rgba(108,92,231,.42);}
.auth-submit:disabled:active{transform:none;}
.auth-submit svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}

/* divider */
.auth-divider{
  display:flex;align-items:center;gap:14px;
  margin:24px 0;color:var(--muted);font-size:.72rem;
  text-transform:uppercase;letter-spacing:1.6px;font-weight:600;
}
.auth-divider::before,.auth-divider::after{
  content:"";flex:1;height:1px;background:var(--hairline);
}

/* social buttons */
.social-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:10px;
}
.social-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 18px;
  border-radius:12px;
  border:1.5px solid var(--hairline);
  background:var(--surface);
  color:var(--ink);
  font-weight:600;
  font-size:.88rem;
  cursor:pointer;
  transition:all .25s ease;
  text-decoration:none;
  position:relative;
  overflow:hidden;
}
.social-btn::before{
  content:"";
  position:absolute;
  inset:0;
  opacity:0;
  transition:opacity .25s ease;
  z-index:0;
  border-radius:inherit;
}
.social-btn:hover::before{opacity:.06;}
.social-btn:hover{
  border-color:var(--accent);
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(108,92,231,.15);
}
.social-btn > *{position:relative;z-index:1;}
.social-btn svg{flex-shrink:0;}

/* Brand hover colors */
.social-google:hover   { border-color:#4285F4; }
.social-google:hover::before   { background:#4285F4; }
.social-microsoft:hover{ border-color:#00A4EF; }
.social-microsoft:hover::before{ background:#00A4EF; }
.social-github:hover   { border-color:#333; }
.social-github:hover::before   { background:#333; }
.social-apple:hover    { border-color:#000; }
.social-apple:hover::before    { background:#000; }

.social-login-wrap{margin-bottom:22px;}

@media (max-width:520px){
  .social-grid{grid-template-columns:1fr;}
}
.social-btn:hover{
  border-color:var(--accent);background:var(--accent-soft);
  transform:translateY(-2px);color:var(--accent);
}
.social-btn svg{width:18px;height:18px;flex-shrink:0;}

/* bottom link */
.auth-foot{
  text-align:center;margin-top:28px;
  font-size:.88rem;color:var(--muted);
}
.auth-foot a{color:var(--accent);font-weight:700;margin-left:5px;}
.auth-foot a:hover{text-decoration:underline;}

/* OTP inputs */
.otp-row{
  display:flex;gap:10px;justify-content:center;
  margin:6px 0 20px;
}
.otp-input{
  width:54px;height:60px;
  border-radius:14px;
  border:1.6px solid var(--hairline);
  background:var(--surface);color:var(--ink);
  text-align:center;outline:0;
  font-family:'Poppins',sans-serif;
  font-size:1.35rem;font-weight:700;
  transition:border-color .25s ease,background .25s ease,box-shadow .25s ease;
}
.otp-input:focus{
  border-color:var(--accent);
  background:var(--surface-2);
  box-shadow:0 0 0 4px var(--accent-soft);
}

/* back link top-right */
.auth-back{
  position:absolute;
  top:calc(var(--header-h) + 130px + 26px);
  right:30px;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:100px;
  background:var(--surface);border:1px solid var(--hairline);
  color:var(--muted);font-size:.83rem;font-weight:600;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:.25s ease;
}
.auth-back:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px);}
.auth-back svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* divider text between form and social on small */
@media (max-width:900px){
  .auth-card{grid-template-columns:1fr;max-width:500px;}
  .auth-visual{
    padding:34px 30px;min-height:auto;order:-1;
  }
  .auth-visual::before{width:300px;height:300px;top:-140px;right:-130px;}
  .auth-visual::after{display:none;}
  .av-mid{margin:26px 0 0;}
  .av-mid h2{font-size:1.35rem;}
  .av-mid p{font-size:.86rem;max-width:100%;}
  .auth-features{display:none;}
  .av-foot{display:none;}
  .auth-form-panel{padding:34px 30px 40px;}
  .auth-head h1{font-size:1.5rem;}
  .auth-back{display:none;}
}
@media (max-width:480px){
  .auth-main{padding:calc(var(--header-h) + 110px) 14px 60px;}
  .auth-visual{padding:26px 22px;}
  .auth-form-panel{padding:26px 22px 34px;}
  .social-grid{grid-template-columns:1fr;}
  .otp-input{width:44px;height:52px;font-size:1.15rem;}
  .otp-row{gap:7px;}
}