/* BERKE IOT CLOUD V170 · modern centered login */
:root{
  color-scheme:dark;
  --bg:#050a13;
  --surface:#0a1422;
  --surface-2:#0c1929;
  --line:rgba(112,176,222,.16);
  --text:#f3f7ff;
  --muted:#8296ab;
  --cyan:#68ddff;
  --blue:#688fff;
  --violet:#9b78ff;
  --green:#63e99f;
  --danger:#ff7187;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)}
body{
  min-height:100dvh;
  overflow-x:hidden;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;
}
button,input{font:inherit}
button{-webkit-tap-highlight-color:transparent}
.login-shell{
  position:relative;
  min-height:100dvh;
  display:grid;
  place-items:center;
  overflow:hidden;
  isolation:isolate;
  background:
    radial-gradient(900px 560px at 12% 0%,rgba(36,173,235,.12),transparent 68%),
    radial-gradient(760px 520px at 100% 100%,rgba(128,89,255,.12),transparent 70%),
    linear-gradient(145deg,#07111e 0%,#040811 72%);
}
.login-background,.login-grid{position:absolute;inset:0;pointer-events:none}
.login-grid{
  opacity:.52;
  background:
    linear-gradient(rgba(99,172,221,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(99,172,221,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at center,#000 18%,transparent 82%);
}
.login-glow{
  position:absolute;
  width:540px;
  height:540px;
  border-radius:50%;
  filter:blur(90px);
  opacity:.18;
}
.login-glow-one{left:-240px;top:-260px;background:#35d8ff}
.login-glow-two{right:-250px;bottom:-280px;background:#8d65ff}
.login-orbit{
  position:absolute;
  border:1px solid rgba(111,178,224,.08);
  border-radius:50%;
}
.login-orbit-one{width:620px;height:620px;left:-320px;bottom:-340px}
.login-orbit-two{width:460px;height:460px;right:-240px;top:-210px}
.login-stage{
  position:relative;
  z-index:2;
  width:min(100%,460px);
  display:grid;
  justify-items:center;
  gap:22px;
  padding:34px 18px;
}
.login-brand{
  display:flex;
  align-items:center;
  gap:13px;
  user-select:none;
}
.brand-logo{
  position:relative;
  width:58px;
  height:58px;
  padding:7px;
  border:1px solid rgba(93,215,255,.25);
  border-radius:17px;
  background:linear-gradient(145deg,rgba(16,43,62,.94),rgba(6,20,34,.98));
  box-shadow:0 12px 35px rgba(0,0,0,.24),inset 0 1px rgba(255,255,255,.05);
}
.brand-logo img{display:block;width:100%;height:100%;filter:drop-shadow(0 0 13px rgba(83,221,255,.28))}
.brand-logo span{
  position:absolute;
  right:4px;
  top:4px;
  width:8px;
  height:8px;
  border:2px solid #081522;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 12px rgba(99,233,159,.8);
}
.brand-copy{display:grid;gap:3px}
.brand-copy b{font-size:17px;letter-spacing:.11em}
.brand-copy small{color:#71cce9;font-size:7.5px;font-weight:900;letter-spacing:.20em}
.login-card{
  position:relative;
  width:100%;
  padding:31px;
  overflow:hidden;
  border:1px solid rgba(113,181,228,.16);
  border-radius:24px;
  background:
    radial-gradient(440px 230px at 50% 0%,rgba(78,143,255,.09),transparent 72%),
    linear-gradient(150deg,rgba(12,27,45,.98),rgba(6,16,28,.99));
  box-shadow:
    0 32px 100px rgba(0,0,0,.46),
    inset 0 1px rgba(255,255,255,.04);
}
.card-accent{
  position:absolute;
  left:18%;
  right:18%;
  top:0;
  height:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),var(--violet),transparent);
  box-shadow:0 0 18px rgba(105,159,255,.55);
}
.login-card-header{
  display:grid;
  justify-items:center;
  margin:0 0 21px;
  text-align:center;
}
.login-symbol{
  display:grid;
  place-items:center;
  width:54px;
  height:54px;
  margin-bottom:17px;
  border:1px solid rgba(91,145,255,.28);
  border-radius:16px;
  background:linear-gradient(145deg,rgba(25,57,96,.78),rgba(8,24,43,.95));
  color:#78b9ff;
  box-shadow:0 0 28px rgba(80,132,255,.16),inset 0 1px rgba(255,255,255,.05);
}
.login-symbol svg{
  width:27px;
  height:27px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.login-eyebrow{
  margin:0 0 8px;
  color:#78ddff!important;
  font-size:8px!important;
  font-weight:950;
  letter-spacing:.20em;
}
.login-card h1{
  margin:0;
  font-size:31px;
  line-height:1.08;
  letter-spacing:-.035em;
}
.login-card-header>p:last-child{
  margin:8px 0 0;
  color:var(--muted);
  font-size:12px;
  line-height:1.55;
}
.security-chip{
  width:max-content;
  max-width:100%;
  display:flex;
  align-items:center;
  gap:8px;
  margin:0 auto 22px;
  padding:7px 11px;
  border:1px solid rgba(91,230,161,.15);
  border-radius:999px;
  background:rgba(75,222,155,.06);
  color:#91b9a9;
  font-size:8px;
  font-weight:800;
  letter-spacing:.05em;
}
.security-chip i{
  width:7px;
  height:7px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 11px rgba(99,233,159,.75);
}
.field-label{display:block;margin-top:15px}
.field-label>span{
  display:block;
  margin:0 0 7px;
  color:#91a4b7;
  font-size:8px;
  font-weight:900;
  letter-spacing:.10em;
}
.field-shell{
  height:54px;
  display:grid;
  grid-template-columns:22px minmax(0,1fr) auto;
  align-items:center;
  gap:8px;
  padding:0 14px;
  border:1px solid rgba(112,176,222,.15);
  border-radius:13px;
  background:rgba(4,15,27,.72);
  transition:border-color .17s ease,box-shadow .17s ease,background-color .17s ease;
}
.field-shell:focus-within{
  border-color:rgba(101,211,255,.52);
  background:rgba(5,19,33,.92);
  box-shadow:0 0 0 3px rgba(82,180,255,.08),0 12px 30px rgba(0,0,0,.15);
}
.field-shell>svg{
  width:20px;
  height:20px;
  fill:none;
  stroke:#7ea5c4;
  stroke-width:1.7;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.field-shell input{
  min-width:0;
  width:100%;
  height:100%;
  padding:0;
  border:0;
  outline:0;
  background:transparent;
  color:#f4f8ff;
  font-size:14px;
  caret-color:var(--cyan);
  -webkit-text-fill-color:#f4f8ff;
}
.field-shell input::placeholder{color:#52677b}
.field-shell input:-webkit-autofill,
.field-shell input:-webkit-autofill:hover,
.field-shell input:-webkit-autofill:focus{
  -webkit-text-fill-color:#f4f8ff!important;
  -webkit-box-shadow:0 0 0 1000px #071522 inset!important;
  box-shadow:0 0 0 1000px #071522 inset!important;
}
#showPassword{
  height:34px;
  padding:0 4px 0 10px;
  border:0;
  background:transparent;
  color:#76d6f7;
  font-size:7px;
  font-weight:950;
  cursor:pointer;
}
.login-options{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin:17px 0 0;
}
.remember{
  display:flex;
  align-items:center;
  gap:9px;
  min-width:0;
  cursor:pointer;
}
.remember input{position:absolute;opacity:0;pointer-events:none}
.remember>span{
  position:relative;
  width:18px;
  height:18px;
  flex:0 0 auto;
  border:1px solid #3d586f;
  border-radius:5px;
  background:#071421;
}
.remember input:checked+span{
  border-color:#65d9ff;
  background:linear-gradient(135deg,#4bdcff,#8a82ff);
}
.remember input:checked+span::after{
  content:"";
  position:absolute;
  left:5px;
  top:4px;
  width:7px;
  height:4px;
  border-left:2px solid #06101b;
  border-bottom:2px solid #06101b;
  transform:rotate(-45deg);
}
.remember b{
  overflow:hidden;
  color:#a1b0bf;
  font-size:10px;
  white-space:nowrap;
  text-overflow:ellipsis;
}
.login-options>small{color:#53687b;font-size:7.5px;text-align:right}
.login-error{
  display:none;
  margin:14px 0 0;
  padding:10px 12px;
  border:1px solid rgba(255,113,135,.24);
  border-radius:10px;
  background:rgba(255,83,111,.07);
  color:#ff91a3;
  font-size:11px;
  line-height:1.4;
}
.login-error.show{display:block;animation:login-error-in .18s ease both}
@keyframes login-error-in{from{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:none}}
.login-submit{
  width:100%;
  height:54px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  margin-top:18px;
  border:0;
  border-radius:13px;
  background:linear-gradient(90deg,#4fd7ff 0%,#668fff 53%,#9678ff 100%);
  color:#06101b;
  font-size:13px;
  font-weight:950;
  letter-spacing:.02em;
  cursor:pointer;
  box-shadow:0 17px 38px rgba(73,154,255,.20);
  transition:filter .16s ease,transform .16s ease,box-shadow .16s ease;
}
.login-submit:hover{
  filter:brightness(1.06);
  transform:translateY(-1px);
  box-shadow:0 20px 44px rgba(73,154,255,.26);
}
.login-submit:active{transform:translateY(0) scale(.992)}
.login-submit:disabled{opacity:.76;cursor:wait;transform:none}
.login-spinner{
  display:none;
  width:18px;
  height:18px;
  border:2px solid rgba(6,16,27,.28);
  border-top-color:#06101b;
  border-radius:50%;
}
.login-submit.loading .login-spinner{
  display:inline-block;
  animation:login-spin .72s linear infinite;
}
@keyframes login-spin{to{transform:rotate(360deg)}}
.login-status{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:19px;
  padding-top:16px;
  border-top:1px solid rgba(105,168,211,.10);
  color:#607589;
  font-size:8px;
}
.login-status>span{display:flex;align-items:center;gap:7px}
.login-status i{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 11px rgba(99,233,159,.72);
}
.login-footer{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  color:#53677a;
  font-size:8px;
  letter-spacing:.03em;
}
.login-footer small::before{content:"•";margin-right:9px;color:#2c4357}
@media(max-width:600px){
  .login-stage{width:min(100%,430px);padding:24px 14px}
  .login-brand{gap:10px}
  .brand-logo{width:51px;height:51px;border-radius:15px}
  .brand-copy b{font-size:14px}
  .brand-copy small{font-size:6.5px}
  .login-card{padding:25px 18px;border-radius:21px}
  .login-card h1{font-size:27px}
  .login-symbol{width:49px;height:49px;margin-bottom:14px}
  .login-options{align-items:flex-start;flex-direction:column;gap:8px}
  .login-options>small{text-align:left}
  .login-status{align-items:flex-start;flex-direction:column}
}
@media(max-width:360px){
  .login-stage{padding-left:9px;padding-right:9px}
  .login-card{padding-left:15px;padding-right:15px}
  .remember b{font-size:9px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}