:root{
  --lk-ink:#0f172a; --lk-muted:#667085; --lk-border:#e6e9ee;
  --lk-card:#ffffff; --lk-bg:#f6f8fb;
  --lk-cta:#16a34a; --lk-cta2:#84cc16;
  --lk-shadow:0 1px 2px rgba(16,24,40,.04), 0 12px 28px rgba(16,24,40,.10);
}


.text-bubble.auth-card{
  position:relative; isolation:isolate;
  max-width: 480px; margin: 34px auto; padding: 22px 22px 18px;
  background: var(--lk-card); border:1px solid var(--lk-border);
  border-radius: 18px; box-shadow: var(--lk-shadow);
  overflow:hidden;
}


.text-bubble.auth-card::after{
  content:""; position:absolute; left:0; right:0; top:0; height:4px;
  border-top-left-radius:18px; border-top-right-radius:18px;
  background:linear-gradient(90deg,var(--lk-cta),var(--lk-cta2));
}


.text-bubble.auth-card::before{
  content:"";
  position:absolute; inset:-40% -20% auto auto;
  width: 420px; height: 420px;
  background: radial-gradient(circle at 30% 30%, rgba(132,204,22,.22), transparent 60%),
              radial-gradient(circle at 70% 65%, rgba(22,163,74,.18), transparent 58%);
  filter: blur(2px);
  transform: translate3d(0,0,0);
  animation: lkFloat 12s ease-in-out infinite;
  z-index:-1;
}
@keyframes lkFloat{
  0%   { transform: translate(0,0) rotate(0deg); }
  50%  { transform: translate(-18px, 14px) rotate(6deg); }
  100% { transform: translate(0,0) rotate(0deg); }
}


.auth-card .card-head{ text-align:center; margin-bottom: 10px; }
.auth-card .card-head h1{
  margin:0 0 6px;
  font-size: clamp(24px, 2.8vw, 30px);
  color: var(--lk-ink);
  letter-spacing:.2px;
}
.auth-card .card-head .sub{
  margin:0;
  font-size: .98rem;
  color: var(--lk-muted);
}


.auth-card .notice{
  border-radius:14px; padding:10px 12px;
  border:1px solid var(--lk-border);
  backdrop-filter: blur(6px);
}
.auth-card .notice.success{ border-left:4px solid var(--lk-cta); background: rgba(22,163,74,.08); }
.auth-card .notice.error{ border-left:4px solid #ef4444; background: rgba(239,68,68,.08); }
.auth-card .notice.warn{ border-left:4px solid #f59e0b; background: rgba(245,158,11,.10); }
.auth-card .notice ul{ margin:6px 0; padding-left: 18px; }


.auth-card .notice.error.lk-shake{
  animation: lkShake .45s cubic-bezier(.36,.07,.19,.97) 1;
}
@keyframes lkShake{
  0%   { transform: translateX(0); }
  15%  { transform: translateX(-10px); }
  30%  { transform: translateX(10px); }
  45%  { transform: translateX(-8px); }
  60%  { transform: translateX(8px); }
  75%  { transform: translateX(-4px); }
  100% { transform: translateX(0); }
}


.auth-card .form-grid{ display:grid; gap:14px; margin-top: 14px; }
.auth-card .field label{
  display:inline-flex; align-items:center; gap:8px;
  margin-bottom:6px; font-weight:800; color:var(--lk-ink);
}
.auth-card .input{
  width:100%;
  border:1px solid var(--lk-border);
  background:linear-gradient(180deg, #fff, #fbfcfe);
  color:var(--lk-ink);
  border-radius:14px;
  padding:12px 14px;
  transition:border-color .15s, box-shadow .15s, transform .08s;
}
.auth-card .input:focus{
  outline:0;
  border-color: color-mix(in srgb, var(--lk-cta) 70%, #ffffff);
  box-shadow:0 0 0 4px rgba(22,163,74,.16);
}
.auth-card .input:active{ transform: scale(.995); }
.auth-card .input::placeholder{ color: rgba(102,112,133,.75); }
.auth-card .with-toggle .input-row{
  display:grid; grid-template-columns: 1fr auto;
  gap:10px; align-items:stretch;
}
.auth-card .btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 16px; font-weight:900;
  border-radius:999px; cursor:pointer; border:0;
  user-select:none;
}
.auth-card .btn-primary{
  color:#fff;
  background:linear-gradient(90deg,var(--lk-cta),var(--lk-cta2));
  box-shadow:0 10px 26px rgba(22,163,74,.22);
  transition: transform .12s, box-shadow .12s, filter .2s;
}
.auth-card .btn-primary:hover{
  transform: translateY(-1px);
  box-shadow:0 14px 34px rgba(22,163,74,.28);
  filter:saturate(1.05);
}
.auth-card .btn-primary:active{ transform:none; box-shadow:0 8px 22px rgba(22,163,74,.22); }
.auth-card .btn-primary:focus-visible{
  outline: 3px solid rgba(22,163,74,.35);
  outline-offset: 3px;
}
.auth-card .btn-ghost{
  background: rgba(15,23,42,.02);
  border:1px solid var(--lk-border);
  color: var(--lk-ink);
  border-radius:14px;
  padding:10px 12px;
  font-weight:800;
  transition: border-color .15s, background .15s, transform .08s;
}
.auth-card .btn-ghost:hover{ border-color: var(--lk-cta); background: rgba(22,163,74,.06); }
.auth-card .btn-ghost:active{ transform: scale(.99); }
.auth-card .btn-ghost:focus-visible{
  outline: 3px solid rgba(22,163,74,.25);
  outline-offset: 2px;
}
.auth-card .icon-btn{ min-width: 88px; }
.auth-card .btn-full{ width:100%; }
.auth-card hr.lemon{
  margin:16px 0; border:0; height:1px;
  background:linear-gradient(90deg,transparent 0 8%, var(--lk-border) 8% 92%, transparent 92% 100%);
}
.auth-card .auth-links{
  display:flex; justify-content:center; align-items:center; flex-wrap:wrap;
  gap:10px;
  font-size:.95rem; color:var(--lk-muted);
}
.auth-card .auth-links a{
  color:var(--lk-ink); text-decoration:none;
  border-bottom:1px dashed transparent;
  padding:2px 0;
}
.auth-card .auth-links a:hover{ color:var(--lk-cta); border-bottom-color:var(--lk-cta); }
.auth-card .auth-links a:focus-visible{
  outline: 3px solid rgba(22,163,74,.22);
  outline-offset: 2px;
  border-radius: 8px;
}
.auth-card .hint{
  margin-top:8px;
  font-size:.9rem;
  color: var(--lk-muted);
}
.auth-card .hint.warn{
  color:#92400e;
  background: rgba(245,158,11,.12);
  border:1px solid rgba(245,158,11,.25);
  padding:8px 10px;
  border-radius:12px;
}
@media (max-width: 420px){
  .text-bubble.auth-card{ margin: 18px 12px; padding:18px 16px 14px; border-radius:16px; }
  .text-bubble.auth-card::after{ border-top-left-radius:16px; border-top-right-radius:16px; }
}
@media (prefers-reduced-motion: reduce){
  .text-bubble.auth-card::before{ animation:none; }
  .auth-card .notice.error.lk-shake{ animation:none; }
  .auth-card .btn-primary:hover{ transform:none; }
}
.auth-card .lk-login-lockWrap{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  margin: 14px auto 0;
  padding: 8px 0 2px;
  user-select:none;
}
.auth-card .lk-lock{
  width:88px;
  height:104px;
  position:relative;
  transform: translateZ(0);
  will-change: transform;
  filter: drop-shadow(0 14px 18px rgba(0,0,0,.14));
  animation: lkLockBounce 2.4s ease-in-out infinite;
}
.auth-card .lk-lock-shackle{
  position:absolute;
  left:50%;
  top:0;
  width:54px;
  height:52px;
  transform:translateX(-50%);
  border-radius:28px 28px 22px 22px;
  border:10px solid rgba(22,163,74,.65);
  border-bottom-color: transparent;
  box-sizing:border-box;
  opacity:.92;
}
.auth-card .lk-lock-body{
  position:absolute;
  left:50%;
  bottom:0;
  width:88px;
  height:68px;
  transform:translateX(-50%);
  border-radius:18px;
  background: linear-gradient(
    145deg,
    rgba(22,163,74,.15),
    rgba(132,204,22,.12)
  );
  border: 1px solid rgba(22,163,74,.25);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.7);
  overflow:hidden;
}
.auth-card .lk-lock-face{
  position:absolute;
  inset:-20px -30px auto -30px;
  height:90px;
  transform: rotate(-10deg);
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.95), rgba(255,255,255,0) 55%);
  opacity:.8;
}
.auth-card .lk-lock-keyhole{
  position:absolute;
  left:50%;
  top:50%;
  width:12px;
  height:18px;
  transform:translate(-50%,-35%);
  border-radius:10px;
  background: rgba(15,23,42,.35);
}
.auth-card .lk-lock-keyhole:before{
  content:"";
  position:absolute;
  left:50%;
  top:-7px;
  width:12px;
  height:12px;
  transform:translateX(-50%);
  border-radius:50%;
  background: rgba(15,23,42,.35);
}
.auth-card .lk-lock-spark{
  position:absolute;
  left:-25%;
  top:10%;
  width:40%;
  height:120%;
  transform: rotate(18deg);
  background: linear-gradient(90deg,
    rgba(255,255,255,0),
    rgba(132,204,22,.35),
    rgba(22,163,74,.28),
    rgba(255,255,255,0)
  );
  opacity:.28;
  animation: lkLockShine 2.8s ease-in-out infinite;
}
.auth-card .lk-lock-caption{
  font-size:12px;
  color: var(--lk-muted);
  letter-spacing:.2px;
}
@keyframes lkLockShake{
  0%   { transform: rotate(0deg); }
  15%  { transform: rotate(-6deg); }
  30%  { transform: rotate(6deg); }
  45%  { transform: rotate(-5deg); }
  60%  { transform: rotate(5deg); }
  75%  { transform: rotate(-2deg); }
  100% { transform: rotate(0deg); }
}
@keyframes lkLockBounce{
  0%   { transform: translateY(0); }
  35%  { transform: translateY(0); }
  45%  { transform: translateY(-2px); }
  55%  { transform: translateY(0); }
  100% { transform: translateY(0); }
}
@keyframes lkLockShine{
  0%   { transform: translateX(-40%) rotate(18deg); opacity:.10; }
  25%  { opacity:.38; }
  50%  { transform: translateX(190%) rotate(18deg); opacity:.12; }
  100% { transform: translateX(190%) rotate(18deg); opacity:.10; }
}
.auth-card .lk-lock:hover{
  animation: lkLockShake .55s ease-in-out 1;
}
.auth-card .lk-login-lockWrap.is-error .lk-lock{
  animation: lkLockShake .6s cubic-bezier(.36,.07,.19,.97) 2;
}
@media (prefers-reduced-motion: reduce){
  .auth-card .lk-lock,
  .auth-card .lk-lock-spark{ animation:none !important; }
}