#duf-wrap*,#duf-wrap *::before,#duf-wrap *::after{box-sizing:border-box;margin:0;padding:0}
#duf-wrap{
  --accent:#1a56db;--accent-lt:#eff6ff;--accent-dk:#1e40af;
  --hover-red:#e53e3e;--hover-red-dk:#c53030;
  --success:#059669;--success-lt:#ecfdf5;
  --error:#dc2626;--error-lt:#fef2f2;
  --warn:#d97706;--warn-lt:#fffbeb;
  --n50:#f8fafc;--n100:#f1f5f9;--n200:#e2e8f0;
  --n400:#94a3b8;--n600:#475569;--n800:#1e293b;
  --radius:14px;--radius-sm:8px;
  --shadow:0 4px 24px rgba(0,0,0,.08),0 1px 4px rgba(0,0,0,.06);
  --font:'DM Sans',sans-serif;--mono:'DM Mono',monospace;
  --tr:.22s cubic-bezier(.4,0,.2,1);
  font-family:var(--font);display:flex;justify-content:center;
  align-items:flex-start;padding:2rem 1rem;min-height:420px;
}
#duf-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
  border:1px solid var(--n200);width:100%;max-width:420px;min-width:340px;overflow:hidden;position:relative;}

#duf-header{background:linear-gradient(135deg,#1a56db 0%,#1d4ed8 100%);
  padding:1.25rem 1.5rem 1.5rem;position:relative;overflow:hidden;min-height:108px;
  display:flex;flex-direction:column;}
#duf-header::before{content:'';position:absolute;width:200px;height:200px;border-radius:50%;
  background:rgba(255,255,255,.07);top:-60px;right:-60px;pointer-events:none;}
#duf-lang-sw{align-self:flex-end;margin-bottom:10px;display:flex;align-items:center;gap:5px;
  background:#fde047;border:1px solid #facc15;border-radius:20px;
  padding:4px 11px;cursor:pointer;transition:background var(--tr);user-select:none;}
#duf-lang-sw:hover{background:rgba(255,255,255,.28);}
#duf-lang-sw:hover #duf-lang-lbl{color:#fff;}
#duf-lang-sw svg{width:14px;height:14px;}
#duf-lang-lbl{font-size:12px;font-weight:600;color:#1e293b;letter-spacing:.2px;transition:color var(--tr);}
#duf-title{color:#fff;font-size:22px;font-weight:600;line-height:1.3;letter-spacing:-.3px;}
#duf-subtitle{color:rgba(255,255,255,.72);font-size:13.5px;margin-top:6px;line-height:1.5;}

#duf-body{padding:1.75rem 2rem 2rem;min-height:290px;}
.duf-step{display:none;animation:duf-in .3s ease;}
.duf-step.active{display:block;}
@keyframes duf-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
#duf-sbar{display:flex;align-items:center;margin-bottom:1.5rem;}
.duf-dot{width:28px;height:28px;border-radius:50%;background:var(--n100);border:2px solid var(--n200);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;
  color:var(--n400);transition:var(--tr);flex-shrink:0;}
.duf-dot.done{background:var(--success);border-color:var(--success);color:#fff;}
.duf-dot.active{background:var(--accent);border-color:var(--accent);color:#fff;}
.duf-line{flex:1;height:2px;background:var(--n200);transition:background var(--tr);}
.duf-line.done{background:var(--success);}

.duf-label{display:block;font-size:13px;font-weight:500;color:var(--n600);
  margin-bottom:10px;letter-spacing:.2px;line-height:1.5;}

#duf-ph-row{display:flex;border:1.5px solid var(--n200);border-radius:var(--radius-sm);
  overflow:hidden;transition:border-color var(--tr),box-shadow var(--tr);background:#fff;}
#duf-ph-row:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(26,86,219,.12);}
#duf-prefix{background:var(--n50);border-right:1.5px solid var(--n200);padding:0 14px;
  font-family:var(--mono);font-size:14px;font-weight:500;color:var(--n800);
  display:flex;align-items:center;white-space:nowrap;user-select:none;gap:6px;}
#duf-ph{flex:1;border:none;outline:none;padding:13px 14px;font-family:var(--mono);font-size:15px;
  font-weight:500;color:var(--n800);background:transparent;letter-spacing:.5px;width:100%;}
#duf-ph::placeholder{color:var(--n400);font-weight:400;}
.duf-inp{width:100%;border:1.5px solid var(--n200);border-radius:var(--radius-sm);padding:13px 14px;
  font-family:var(--font);font-size:14px;color:var(--n800);outline:none;
  transition:border-color var(--tr),box-shadow var(--tr);background:#fff;}
.duf-inp:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(26,86,219,.12);}
.duf-inp::placeholder{color:var(--n400);}
#duf-otp-boxes{display:flex;gap:8px;margin-bottom:.5rem;}
.duf-obox{flex:1;height:56px;border:1.5px solid var(--n200);border-radius:var(--radius-sm);
  text-align:center;font-family:var(--mono);font-size:20px;font-weight:600;color:var(--n800);
  outline:none;background:#fff;transition:border-color var(--tr),box-shadow var(--tr),background var(--tr);
  -moz-appearance:textfield;}
.duf-obox::-webkit-outer-spin-button,.duf-obox::-webkit-inner-spin-button{-webkit-appearance:none}
.duf-obox:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(26,86,219,.12);background:var(--accent-lt);}
.duf-obox.filled{border-color:var(--accent);background:var(--accent-lt);}
.duf-obox.error{border-color:var(--error);background:var(--error-lt);}
.duf-btn{width:100%;padding:13px 20px;background:var(--accent);color:#fff;border:none;
  border-radius:var(--radius-sm);font-family:var(--font);font-size:15px;font-weight:600;cursor:pointer;
  transition:background var(--tr),transform var(--tr),box-shadow var(--tr);
  display:flex;align-items:center;justify-content:center;gap:8px;letter-spacing:.2px;margin-top:1.25rem;}
#duf-btn-otp:hover:not(:disabled){background:var(--hover-red);box-shadow:0 4px 14px rgba(229,62,62,.45);color:#fff;}
#duf-btn-otp:active:not(:disabled){background:var(--hover-red-dk);transform:scale(.98);}
.duf-btn:hover:not(:disabled):not(#duf-btn-otp){background:var(--accent-dk);box-shadow:0 4px 12px rgba(26,86,219,.3);}
.duf-btn:active:not(:disabled){transform:scale(.98);}
.duf-btn:disabled{opacity:.55;cursor:not-allowed;}
.duf-btn.loading{position:relative;color:transparent;pointer-events:none;}
.duf-btn.loading::after{content:'';position:absolute;width:18px;height:18px;
  border:2.5px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:duf-spin .7s linear infinite;}
@keyframes duf-spin{to{transform:rotate(360deg)}}
.duf-lnk{background:none;border:none;color:var(--accent);cursor:pointer;font-family:var(--font);
  font-size:13px;font-weight:500;padding:0;text-decoration:underline;text-underline-offset:2px;}
.duf-lnk:hover{color:var(--accent-dk);}
.duf-lnk:disabled{opacity:.45;cursor:not-allowed;text-decoration:none;}
.duf-notice{padding:14px 16px;border-radius:var(--radius-sm);font-size:13px;line-height:1.6;
  display:flex;align-items:flex-start;gap:8px;margin-top:.75rem;margin-bottom:1rem;display:none;}
.duf-notice.on{display:flex;}
.duf-notice.info{background:var(--accent-lt);color:#1e40af;border:1px solid #bfdbfe;}
.duf-notice.ok{background:var(--success-lt);color:#065f46;border:1px solid #a7f3d0;}
.duf-notice.err{background:var(--error-lt);color:#991b1b;border:1px solid #fecaca;}
.duf-notice.warn{background:var(--warn-lt);color:#92400e;border:1px solid #fde68a;}
.duf-ni{font-size:15px;flex-shrink:0;margin-top:1px;}
.duf-help{font-size:12.5px;color:var(--n400);margin-top:6px;line-height:1.5;}
#duf-chip{display:inline-flex;align-items:center;gap:8px;background:var(--n100);
  border:1px solid var(--n200);border-radius:20px;padding:5px 14px 5px 10px;
  font-family:var(--mono);font-size:14px;font-weight:500;color:var(--n800);margin-bottom:1.25rem;}
#duf-chip button{background:none;border:none;cursor:pointer;color:var(--n400);font-size:12px;
  padding:0;margin-left:4px;line-height:1;transition:color var(--tr);}
#duf-chip button:hover{color:var(--accent);}
#duf-resend{display:flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;color:var(--n400);}
#duf-timer{font-weight:500;font-variant-numeric:tabular-nums;}
#duf-wbadge{background:var(--success-lt);border:1px solid #a7f3d0;border-radius:var(--radius-sm);
  padding:12px 16px;display:flex;align-items:center;gap:10px;margin-bottom:1.25rem;}
#duf-wbadge .wi{font-size:22px;}
#duf-wbadge p{font-size:13px;color:#065f46;line-height:1.4;}
#duf-wbadge strong{font-weight:600;}
.duf-fld{margin-bottom:1rem;}
#duf-ok-icon{width:64px;height:64px;background:var(--success-lt);border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:28px;margin:0 auto 1rem;
  animation:duf-pop .4s cubic-bezier(.175,.885,.32,1.275);}
@keyframes duf-pop{from{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}
#duf-step-ok{text-align:center;padding:1rem 0;}
#duf-step-ok h3{font-size:18px;font-weight:600;color:var(--n800);margin-bottom:6px;}
#duf-step-ok p{font-size:14px;color:var(--n400);line-height:1.5;}
#duf-priv{text-align:center;font-size:11.5px;color:var(--n400);margin-top:1.25rem;line-height:1.5;}
#duf-sending{display:none;position:absolute;inset:0;background:rgba(255,255,255,.97);z-index:20;
  flex-direction:column;align-items:center;justify-content:center;border-radius:var(--radius);}
#duf-sending.on{display:flex;animation:duf-in .25s ease;}
.duf-rings{position:relative;width:80px;height:80px;margin-bottom:1.5rem;}
.duf-rings .ph-ico{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:30px;z-index:2;}
.duf-ring{position:absolute;border-radius:50%;border:2px solid;opacity:0;top:50%;left:50%;
  transform:translate(-50%,-50%) scale(.5);animation:ring-out 2.1s ease-out infinite;}
.duf-ring:nth-child(1){width:80px;height:80px;border-color:rgba(26,86,219,.6);animation-delay:0s}
.duf-ring:nth-child(2){width:110px;height:110px;border-color:rgba(26,86,219,.35);animation-delay:.55s}
.duf-ring:nth-child(3){width:144px;height:144px;border-color:rgba(26,86,219,.15);animation-delay:1.1s}
@keyframes ring-out{0%{opacity:0;transform:translate(-50%,-50%) scale(.45)}30%{opacity:1}100%{opacity:0;transform:translate(-50%,-50%) scale(1)}}
.duf-dots{display:flex;gap:6px;margin-bottom:1.25rem;}
.duf-dots span{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:dot-b 1.2s ease-in-out infinite;}
.duf-dots span:nth-child(1){animation-delay:0s}.duf-dots span:nth-child(2){animation-delay:.2s}.duf-dots span:nth-child(3){animation-delay:.4s}
@keyframes dot-b{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-6px);opacity:1}}
#duf-send-title{font-size:16px;font-weight:600;color:var(--n800);margin-bottom:4px;text-align:center;}
#duf-send-sub{font-size:13px;color:var(--n600);margin-bottom:1.25rem;text-align:center;line-height:1.5;}
.duf-cd{position:relative;width:52px;height:52px;margin-bottom:6px;}
.duf-cd svg{position:absolute;inset:0;transform:rotate(-90deg);}
.cd-bg{fill:none;stroke:var(--n200);stroke-width:3.5;}
.cd-arc{fill:none;stroke:var(--accent);stroke-width:3.5;stroke-linecap:round;stroke-dasharray:138.2;stroke-dashoffset:0;transition:stroke-dashoffset 1s linear,stroke .4s;}
.cd-num{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:16px;font-weight:600;color:var(--n800);}
#duf-send-hint{font-size:11.5px;color:var(--n400);text-align:center;}

#duf-wrap{color-scheme:light !important;}
#duf-card{background:#fff !important;border-color:var(--n200) !important;}
#duf-body{background:#fff !important;}
#duf-ph-row,.duf-inp,.duf-obox{background:#fff !important;color:var(--n800) !important;border-color:var(--n200) !important;}
#duf-prefix{background:var(--n50) !important;color:var(--n800) !important;border-color:var(--n200) !important;}
.duf-label,#duf-step-ok h3{color:var(--n800) !important;}
.duf-help,#duf-priv,#duf-resend,#duf-step-ok p{color:var(--n600) !important;}
#duf-chip{background:var(--n100) !important;border-color:var(--n200) !important;color:var(--n800) !important;}
.duf-dot{background:var(--n100) !important;border-color:var(--n200) !important;color:var(--n400) !important;}
.duf-dot.active{background:var(--accent) !important;border-color:var(--accent) !important;color:#fff !important;}
.duf-dot.done{background:var(--success) !important;border-color:var(--success) !important;color:#fff !important;}
#duf-sending{background:rgba(255,255,255,.97) !important;}
#duf-send-title,.cd-num{color:var(--n800) !important;}
#duf-send-sub,#duf-send-hint{color:var(--n600) !important;}

@keyframes duf-pulse {
  0% { box-shadow: 0 0 0 0 rgba(250,204,21,.8); }
  70% { box-shadow: 0 0 0 10px rgba(250,204,21,0); }
  100% { box-shadow: 0 0 0 0 rgba(250,204,21,0); }
}
#duf-lang-sw.pulse{ animation: duf-pulse 2s ease-out infinite; }

#duf-btn-verify:hover:not(:disabled){
  background:var(--hover-red);
  box-shadow:0 4px 14px rgba(229,62,62,.45);
  color:#fff;
}
#duf-btn-verify:active:not(:disabled){background:var(--hover-red-dk);}