/* =============================================================================
   VERTEX Auth Sayfaları - Ortak Stil (Login / Register)
   Mevcut panel HTML'inin tasarım tokenlarını birebir kullanır.
============================================================================= */
:root{
  --radius:10px; --radius-lg:14px;
  --font-display:'Space Grotesk',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'IBM Plex Mono',monospace;
  --accent:#3E7BFA; --accent-dim:#2D5BC4; --accent-glow:rgba(62,123,250,.16);
  --ok:#2FBF71; --ok-dim:rgba(47,191,113,.14);
  --warn:#E8A13A; --warn-dim:rgba(232,161,58,.14);
  --danger:#EF5461; --danger-dim:rgba(239,84,97,.14);
}
[data-theme="light"]{
  --bg-0:#F4F6FB; --bg-1:#FFFFFF; --bg-2:#F7F9FE; --bg-3:#EEF2F9;
  --line:#E3E8F2; --line-soft:#EDF1F8;
  --text-0:#151B28; --text-1:#3C4557; --text-2:#68718A; --text-3:#9AA3B6;
  --shadow-sm:0 1px 2px rgba(20,30,55,.05);
  --shadow-md:0 8px 24px -8px rgba(20,30,55,.12);
  --shadow-lg:0 20px 50px -16px rgba(20,30,55,.22);
  --side-bg:#0E141F;
}
[data-theme="dark"]{
  --bg-0:#0A0E17; --bg-1:#0F1521; --bg-2:#141C2B; --bg-3:#1A2436;
  --line:#232F45; --line-soft:#1B2536;
  --text-0:#EEF2F8; --text-1:#AAB6C9; --text-2:#6C7891; --text-3:#475269;
  --shadow-sm:0 1px 2px rgba(0,0,0,.3);
  --shadow-md:0 8px 24px -8px rgba(0,0,0,.45);
  --shadow-lg:0 20px 50px -16px rgba(0,0,0,.65);
  --side-bg:#070B13;
}

*{box-sizing:border-box; margin:0; padding:0;}
html,body{height:100%;}
body{
  background:var(--bg-0); color:var(--text-0);
  font-family:var(--font-body); font-size:14px; line-height:1.5;
  -webkit-font-smoothing:antialiased;
  transition:background .25s, color .25s;
}
::selection{background:var(--accent-glow); color:var(--text-0);}
a{color:inherit; text-decoration:none;}
button{font-family:inherit; cursor:pointer; border:0; background:none;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent); outline-offset:2px;}
.mono{font-family:var(--font-mono);}

/* ================================================================
   LAYOUT
================================================================ */
.auth-shell{
  min-height:100vh;
  display:grid;
  grid-template-columns:1fr 1fr;
}
.auth-side{
  position:relative; overflow:hidden;
  background:linear-gradient(160deg, #0E141F 0%, #050810 100%);
  color:#EAEEF7;
  padding:40px 46px;
  display:flex; flex-direction:column;
}
.auth-side::before{
  content:''; position:absolute; inset:0;
  background:
    radial-gradient(circle at 25% 15%, rgba(62,123,250,.30), transparent 55%),
    radial-gradient(circle at 85% 90%, rgba(124,92,255,.18), transparent 55%);
  pointer-events:none;
}
.auth-side::after{
  content:''; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:32px 32px;
  mask-image:linear-gradient(180deg, black 20%, transparent 90%);
  pointer-events:none;
}
.side-inner{position:relative; z-index:2; display:flex; flex-direction:column; height:100%;}

.brand{display:flex; align-items:center; gap:14px; margin-bottom:56px;}
.brand-mark{
  width:44px; height:44px; border-radius:12px;
  background:linear-gradient(155deg, var(--accent), #1C3F8F);
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-family:var(--font-display); font-weight:700; font-size:18px;
  box-shadow:0 6px 18px -6px rgba(62,123,250,.6), 0 0 0 1px rgba(255,255,255,.06) inset;
}
.brand-text b{font-family:var(--font-display); font-size:18px; letter-spacing:.02em; color:#fff; display:block; line-height:1.1;}
.brand-text span{font-size:11px; color:#5E6D90; letter-spacing:.16em; text-transform:uppercase; margin-top:3px; display:block;}

.side-hero{margin-top:auto;}
.side-eyebrow{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.14em;
  color:#7AA0FF; text-transform:uppercase; margin-bottom:18px;
}
.side-title{
  font-family:var(--font-display); font-weight:600;
  font-size:38px; line-height:1.15; letter-spacing:-.015em;
  color:#F1F4FB; max-width:440px;
}
.side-title em{font-style:normal; color:#7AA0FF;}
.side-sub{
  color:#8592B0; font-size:14px; margin-top:16px; max-width:440px; line-height:1.6;
}

.side-features{
  margin-top:36px; display:flex; flex-direction:column; gap:14px;
  max-width:440px;
}
.feat{
  display:flex; align-items:center; gap:12px;
  font-size:13px; color:#B7C1D6;
}
.feat .dot{
  width:22px; height:22px; border-radius:7px; flex-shrink:0;
  background:rgba(62,123,250,.14); color:#7AA0FF;
  display:flex; align-items:center; justify-content:center;
}
.feat .dot svg{width:12px; height:12px;}

.side-foot{
  margin-top:56px;
  display:flex; align-items:center; justify-content:space-between;
  color:#4A5876; font-size:11.5px; letter-spacing:.04em;
}
.side-foot .mono{color:#5E6D90;}

/* ================================================================
   FORM SIDE
================================================================ */
.auth-main{
  padding:40px 60px;
  display:flex; flex-direction:column;
  background:var(--bg-0);
  position:relative;
}
.auth-topbar{
  display:flex; justify-content:space-between; align-items:center;
  margin-bottom:auto;
}
.auth-topbar .switch-link{
  font-size:12.5px; color:var(--text-2);
}
.auth-topbar .switch-link a{
  color:var(--accent); font-weight:600; margin-left:4px;
}
.auth-topbar .switch-link a:hover{text-decoration:underline;}

.icon-btn{
  width:36px; height:36px; border-radius:9px;
  border:1px solid var(--line); background:var(--bg-1);
  display:flex; align-items:center; justify-content:center; color:var(--text-1);
  transition:.14s;
}
.icon-btn svg{width:16px; height:16px;}
.icon-btn:hover{background:var(--bg-2); color:var(--text-0); border-color:var(--accent-dim);}

.auth-card{
  width:100%; max-width:420px; margin:0 auto;
  padding:36px 4px;
}
.auth-eyebrow{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.11em;
  color:var(--accent); text-transform:uppercase; margin-bottom:10px;
}
.auth-title{
  font-family:var(--font-display); font-size:28px; font-weight:600;
  letter-spacing:-.015em; line-height:1.2;
}
.auth-sub{
  color:var(--text-2); font-size:13.5px; margin-top:8px; line-height:1.55;
}

/* ============ FIELDS ============ */
.field{display:flex; flex-direction:column; gap:7px; margin-bottom:16px;}
.field label{
  font-size:11.5px; font-weight:600; color:var(--text-1); letter-spacing:.03em;
  display:flex; align-items:center; justify-content:space-between;
}
.field label .hint{
  font-family:var(--font-mono); font-size:10px; color:var(--text-3); font-weight:400;
}
.field input{
  background:var(--bg-1); border:1px solid var(--line); border-radius:10px; color:var(--text-0);
  padding:12px 14px; font-size:13.5px; outline:none; transition:.14s;
  width:100%;
}
.field input:hover{border-color:var(--accent-dim);}
.field input:focus{
  border-color:var(--accent); background:var(--bg-1);
  box-shadow:0 0 0 3px var(--accent-glow);
}
.field input::placeholder{color:var(--text-3);}

.pw-wrap{position:relative;}
.pw-wrap input{padding-right:44px;}
.pw-toggle{
  position:absolute; right:6px; top:50%; transform:translateY(-50%);
  width:32px; height:32px; border-radius:7px; color:var(--text-2);
  display:flex; align-items:center; justify-content:center;
}
.pw-toggle:hover{background:var(--bg-2); color:var(--text-0);}
.pw-toggle svg{width:15px; height:15px;}

.field-meta{
  font-size:11px; color:var(--text-3); margin-top:6px; line-height:1.5;
}
.pw-strength{
  display:flex; gap:4px; margin-top:8px;
}
.pw-strength i{
  flex:1; height:4px; border-radius:99px; background:var(--bg-3);
  transition:background .2s;
}
.pw-strength.lvl-1 i:nth-child(-n+1){background:var(--danger);}
.pw-strength.lvl-2 i:nth-child(-n+2){background:var(--warn);}
.pw-strength.lvl-3 i:nth-child(-n+3){background:var(--accent);}
.pw-strength.lvl-4 i:nth-child(-n+4){background:var(--ok);}

.field-row{display:flex; align-items:center; justify-content:space-between; margin:-4px 0 20px;}
.checkbox{
  display:flex; align-items:center; gap:8px; cursor:pointer;
  font-size:12.5px; color:var(--text-1); user-select:none;
}
.checkbox input{
  appearance:none; width:16px; height:16px; border-radius:5px;
  border:1.5px solid var(--line); background:var(--bg-1);
  display:inline-block; position:relative; cursor:pointer;
  transition:.15s;
}
.checkbox input:checked{background:var(--accent); border-color:var(--accent);}
.checkbox input:checked::after{
  content:''; position:absolute; left:4px; top:1px; width:5px; height:9px;
  border:solid #fff; border-width:0 2px 2px 0; transform:rotate(45deg);
}

/* ============ SUBMIT ============ */
.btn-submit{
  display:flex; align-items:center; justify-content:center; gap:8px;
  background:var(--accent); color:#fff; width:100%;
  padding:13px 20px; border-radius:10px; font-size:13.5px; font-weight:600;
  font-family:var(--font-display); letter-spacing:.01em;
  box-shadow:0 8px 20px -8px rgba(62,123,250,.55);
  transition:filter .14s, transform .14s, opacity .14s;
}
.btn-submit svg{width:14px; height:14px;}
.btn-submit:hover{filter:brightness(1.08);}
.btn-submit:active{transform:translateY(1px);}
.btn-submit[disabled]{opacity:.7; cursor:not-allowed; box-shadow:none;}

/* ============ ALERT ============ */
.alert{
  display:flex; gap:11px; align-items:flex-start;
  padding:12px 14px; border-radius:10px; margin-bottom:20px;
  border:1px solid var(--line); border-left:3px solid var(--accent);
  background:var(--bg-1); box-shadow:var(--shadow-sm);
  font-size:12.5px; line-height:1.5;
}
.alert .ai{
  width:26px; height:26px; border-radius:7px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  background:var(--accent-glow); color:var(--accent);
}
.alert .ai svg{width:14px; height:14px;}
.alert b{font-family:var(--font-display); font-size:13px; display:block; color:var(--text-0);}
.alert span{color:var(--text-2); display:block; margin-top:2px;}
.alert.err{border-left-color:var(--danger);}
.alert.err .ai{background:var(--danger-dim); color:var(--danger);}
.alert.ok{border-left-color:var(--ok);}
.alert.ok .ai{background:var(--ok-dim); color:var(--ok);}
.alert.warn{border-left-color:var(--warn);}
.alert.warn .ai{background:var(--warn-dim); color:var(--warn);}

/* ============ FORM FOOT ============ */
.auth-foot{
  margin-top:24px; padding-top:22px; border-top:1px solid var(--line-soft);
  font-size:12px; color:var(--text-2); text-align:center;
}

.field-inline-2{display:grid; grid-template-columns:1fr 1fr; gap:12px;}

/* ================================================================
   RESPONSIVE
================================================================ */
@media (max-width:960px){
  .auth-shell{grid-template-columns:1fr;}
  .auth-side{display:none;}
  .auth-main{padding:26px 22px;}
  .auth-card{padding:20px 0;}
  .auth-title{font-size:24px;}
}
@media (max-width:420px){
  .field-inline-2{grid-template-columns:1fr;}
  .auth-main{padding:20px 16px;}
}