*{box-sizing:border-box}
html,body{width:100%;overflow-x:hidden;margin:0;padding:0}
:root{
  --bg:#080a0f;--surface:#0d1016;--surface-2:#11151d;--surface-3:#161b24;--surface-4:#1b222d;
  --text:#f5f7fb;--muted:#8b94a4;--muted-2:#606a7a;
  --border:rgba(255,255,255,.075);--border-2:rgba(255,255,255,.13);
  --accent:#8b7cff;--accent-2:#6d5df5;--accent-soft:rgba(139,124,255,.11);--accent-line:rgba(139,124,255,.30);
  --cyan:#58c9ff;--green:#37d39b;--yellow:#e5bd5f;--red:#f06e7f;
  --shadow:0 22px 60px rgba(0,0,0,.22);--r:16px;
}
html,body{min-height:100%;font-family:Vazirmatn,Tahoma,sans-serif;background:var(--bg);color:var(--text)}
body{display:flex;align-items:center;justify-content:center;padding:50px 16px;min-height:100vh;position:relative}
button,input,textarea{font:inherit}
button{border:0;color:inherit;cursor:pointer;background:transparent}
button:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible{outline:2px solid var(--accent-line);outline-offset:2px}
a{color:inherit;text-decoration:none}
svg{display:block}

#particle-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.85}
.bg-orbs{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55}
.orb-1{width:440px;height:440px;background:radial-gradient(circle,rgba(139,124,255,.32),transparent 70%);top:-90px;right:-80px}
.orb-2{width:400px;height:400px;background:radial-gradient(circle,rgba(88,201,255,.20),transparent 70%);bottom:-110px;left:-90px}
.orb-3{width:340px;height:340px;background:radial-gradient(circle,rgba(139,124,255,.14),transparent 70%);top:45%;left:35%}
.grid-overlay{position:fixed;inset:0;pointer-events:none;z-index:0;background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:radial-gradient(circle at center,#000 35%,transparent 85%);mask-image:radial-gradient(circle at center,#000 35%,transparent 85%);-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat}
#cursor-glow{position:fixed;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(139,124,255,.09),transparent 70%);pointer-events:none;z-index:1;transform:translate(-50%,-50%);opacity:0;transition:opacity .35s;will-change:left,top}

.auth-wrap{position:relative;z-index:2;width:100%;max-width:480px;margin-left:auto;margin-right:auto}
.auth-card{background:#0d1016;background:linear-gradient(180deg,#0d1016,#080a0f);border:1px solid var(--border);border-radius:22px;padding:30px 28px 24px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.auth-card::before{content:"";position:absolute;inset:-80px auto auto -70px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(139,124,255,.16),transparent 68%);pointer-events:none}
.auth-card::after{content:"";position:absolute;bottom:-90px;left:35%;width:220px;height:150px;background:radial-gradient(circle,rgba(88,201,255,.08),transparent 67%);pointer-events:none}
.auth-card > *{position:relative;z-index:1}

.auth-brand{display:flex;align-items:center;gap:11px;margin-bottom:22px}
.brand-mark{width:38px;height:38px;border-radius:12px;position:relative;overflow:hidden;background:#171b25;background:linear-gradient(145deg,#171b25,#0d1016);border:1px solid var(--border-2);box-shadow:0 8px 22px rgba(98,79,220,.20);flex:none}
.brand-mark span{position:absolute;width:7px;height:22px;top:8px;border-radius:5px;transform:skew(-16deg)}
.brand-mark span:nth-child(1){right:11px;background:#a294ff}
.brand-mark span:nth-child(2){right:19px;background:#6f61ee;opacity:.8}
.brand-mark span:nth-child(3){right:26px;background:#4fc9ff;opacity:.65}
.brand-copy strong{display:block;font-size:15px;line-height:1;font-weight:800;letter-spacing:-.2px;color:var(--text)}
.brand-copy small{display:block;font-size:8px;letter-spacing:1.6px;color:var(--muted-2);margin-top:5px;font-weight:600}

.brand-title{
  background:linear-gradient(90deg,#f5f7fb,#b9b0ff 65%,#7bd7ff);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-weight:800;
}

.auth-head{margin-bottom:20px}
.eyebrow{font-size:9px;letter-spacing:.7px;text-transform:uppercase;color:#9f95ff;font-weight:800;margin-bottom:7px}
.auth-head h1{margin:0;font-size:24px;letter-spacing:-.6px;font-weight:800;line-height:1.4}
.auth-head p{margin:8px 0 0;color:var(--muted);font-size:11.5px;line-height:1.9}

.alert{padding:11px 14px;border-radius:12px;font-size:11.5px;margin-bottom:14px;text-align:center;line-height:1.9}
.alert-error{background:rgba(240,110,127,.08);border:1px solid rgba(240,110,127,.18);color:#fa9baa}
.alert-success{background:rgba(55,211,155,.08);border:1px solid rgba(55,211,155,.18);color:#76e3ba}
.alert-info{background:rgba(88,201,255,.08);border:1px solid rgba(88,201,255,.18);color:#8fd8ff}

.step-title{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--text);padding-bottom:14px;border-bottom:1px solid var(--border);margin-bottom:18px}
.step-title > span:first-child{display:inline-flex;width:24px;height:24px;border-radius:8px;background:var(--accent-soft);color:#aaa0ff;align-items:center;justify-content:center;font-size:11px;font-weight:800;flex:none}

.stack{display:block}

.methods{display:grid;gap:10px}
.method-btn{display:flex;align-items:center;gap:12px;padding:13px 15px;border-radius:14px;border:1px solid var(--border);background:var(--surface-2);text-align:right;transition:.18s;width:100%;font-family:inherit}
.method-btn:hover{border-color:var(--border-2);background:var(--surface-3);transform:translateY(-1px)}
.method-icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex:none;background:var(--accent-soft);color:#aaa0ff;font-size:16px}
.method-btn.primary .method-icon{background:linear-gradient(145deg,rgba(139,124,255,.15),rgba(88,201,255,.10));color:#bcb4ff}
.method-btn.success .method-icon{background:rgba(55,211,155,.10);color:#76e3ba}
.method-btn.warning .method-icon{background:rgba(229,189,95,.10);color:#efd47c}
.method-copy{flex:1;min-width:0;display:block}
.method-copy strong{display:block;font-size:12px;font-weight:700;color:var(--text)}
.method-copy small{display:block;font-size:10px;color:var(--muted);margin-top:3px}
.method-arrow{color:var(--muted-2);font-size:18px;font-weight:600;flex:none}

.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:11px;font-weight:600;color:var(--muted);margin-bottom:6px}
.form-group input{width:100%;padding:11px 13px;border-radius:11px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-size:13px;font-family:inherit;transition:.2s;direction:ltr;text-align:left}
.form-group input:focus{outline:none;border-color:var(--accent-line);background:var(--surface-3);box-shadow:0 0 0 3px var(--accent-soft)}
.form-group input::placeholder{color:var(--muted-2);font-size:12px}
.form-group input.ok{border-color:rgba(55,211,155,.45)}
.form-group input.err{border-color:rgba(240,110,127,.45)}
.code-input{text-align:center!important;letter-spacing:6px;font-size:18px!important;font-weight:700}
.field-hint{font-size:10px;color:var(--muted-2);margin-top:5px;line-height:1.7;min-height:14px}
.field-hint.ok{color:#76e3ba}
.field-hint.err{color:#fa9baa}
.field-hint.loading{color:#9f95ff}

.remember-row{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--muted);margin:4px 0 12px;user-select:none;cursor:pointer}
.remember-row input[type=checkbox]{accent-color:var(--accent);width:15px;height:15px;cursor:pointer}
.remember-row span{cursor:pointer}

.btn{display:inline-flex;align-items:center;justify-content:center;width:100%;height:44px;padding:0 18px;border-radius:12px;border:none;cursor:pointer;font-size:13px;font-weight:700;transition:.2s;font-family:inherit;text-decoration:none;gap:8px;letter-spacing:.2px}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none!important}
.btn-primary{background:#8b7cff;background:linear-gradient(135deg,#8b7cff,#6d5df5);color:#fff;box-shadow:0 9px 24px rgba(105,87,230,.28)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-success{background:#37d39b;background:linear-gradient(135deg,#37d39b,#22a97a);color:#08120d;box-shadow:0 9px 24px rgba(55,211,155,.20)}
.btn-success:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-warning{background:#e5bd5f;background:linear-gradient(135deg,#e5bd5f,#c89a35);color:#18130a;box-shadow:0 9px 24px rgba(229,189,95,.18)}
.btn-warning:hover{filter:brightness(1.06);transform:translateY(-1px)}
.back-link{display:inline-flex;align-items:center;justify-content:center;margin-top:12px;color:var(--accent);font-size:11.5px;cursor:pointer;transition:.2s;width:100%;text-align:center;padding:6px 0;font-weight:600;background:transparent;border:0}
.back-link:hover{color:#a99dff}

.vip-note{background:var(--accent-soft);border:1px solid var(--accent-line);padding:10px 14px;border-radius:12px;margin-bottom:14px;text-align:center;color:#c6bfff;font-size:11.5px;line-height:1.7}
.vip-badge{display:inline-block;background:#8b7cff;background:linear-gradient(135deg,#8b7cff,#6d5df5);color:#fff;padding:2px 12px;border-radius:20px;font-size:10px;font-weight:800;margin-left:6px;letter-spacing:.5px}

.verify-text{text-align:center;color:var(--muted);font-size:12.5px;margin:0 0 16px;line-height:1.9}
.phone-highlight{direction:ltr;display:inline-block;color:var(--text);font-weight:700;font-size:13px}

.resend-row{text-align:center;margin:6px 0 14px}
.resend-btn{font-size:11.5px;font-weight:600;color:var(--muted);background:transparent;border:1px solid var(--border);padding:8px 16px;border-radius:10px;transition:.2s;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.resend-btn:disabled{cursor:not-allowed;opacity:.7}
.resend-btn.ready{color:#76e3ba;border-color:rgba(55,211,155,.35);background:rgba(55,211,155,.06)}
.resend-btn.ready:hover{background:rgba(55,211,155,.12)}
.resend-timer{font-variant-numeric:tabular-nums;font-weight:700}

.profile-zone{display:flex;flex-direction:column;align-items:center;margin:4px 0 12px}
.profile-preview{width:84px;height:84px;border-radius:22px;border:2px solid var(--accent-line);margin-bottom:10px;display:none;object-fit:cover;background:var(--surface-2);box-shadow:0 8px 22px rgba(98,79,220,.18)}
.profile-preview.show{display:block}
.profile-upload{display:inline-flex;align-items:center;justify-content:center;padding:9px 16px;border-radius:11px;background:var(--surface-2);border:1px solid var(--border);color:var(--text);font-size:11px;font-weight:600;cursor:pointer;transition:.18s}
.profile-upload:hover{border-color:var(--border-2);background:var(--surface-3)}
.profile-hint{font-size:10px;color:var(--muted-2);margin-top:6px}

.forgot-step{margin-bottom:14px}
.forgot-step[hidden]{display:none!important}
.forgot-msg{margin-top:10px;font-size:11.5px;text-align:center;line-height:1.9;min-height:16px}
.forgot-msg.err{color:#fa9baa}
.forgot-msg.ok{color:#76e3ba}

.auth-footer{margin-top:22px;padding-top:16px;border-top:1px solid var(--border);text-align:center;font-size:10.5px;color:var(--muted-2);line-height:1.95}
.auth-footer strong{color:var(--muted);font-weight:600}

@media(max-width:520px){
  body{padding:24px 12px;align-items:flex-start;padding-top:40px}
  .auth-wrap{max-width:100%}
  .auth-card{padding:22px 18px 20px;border-radius:18px}
  .auth-head h1{font-size:20px}
  .method-btn{padding:12px 13px}
  .brand-mark{width:34px;height:34px}
  .brand-copy strong{font-size:13px}
  #cursor-glow{display:none}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  #particle-canvas{display:none}
}