:root {
  --glass-bg: rgba(23, 26, 29, 0.55);
  --glass-border: rgba(255, 255, 255, 0.18);
  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --input-bg: rgba(23, 26, 29, 0.65);
  --input-icon: #b2b9c5;
  --input-text: #e0e0e0;
  --input-border: #3e4448;
}
body {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.65)), center / cover no-repeat
    url("proxy-image.jpg");
  background-attachment: fixed;
}
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: "Montserrat", Arial, sans-serif;
  color: #fff;
  min-width: 100vw;
  box-sizing: border-box;
  overflow: hidden;
}
body,
.centered-container {
  min-height: 100vh;
  width: 100vw;
  display: flex;
  align-items: center;
  justify-content: center;
}
.centered-container {
  opacity: 0;
  animation: signupFadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.glass-box {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(32px) saturate(180%);
  backdrop-filter: blur(32px) saturate(180%);
  border-radius: 24px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37), 0 1.5px 10px #30d3f81a;
  padding: 38px 44px 36px 44px;
  min-width: 364px;
  width: 100%;
  max-width: 385px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow: hidden;
}
.glass-box::after {
  content: "";
  pointer-events: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 24px;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.11) 6%, rgba(255, 255, 255, 0.03) 63%);
  box-shadow: inset 0 4px 40px rgba(255, 255, 255, 0.11), inset 0 -2px 26px rgba(59, 130, 246, 0.06);
  opacity: 0.88;
  z-index: 0;
}
.box-contents {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.product-header {
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 13px;
}
.product-logo {
  font-size: 2.7rem;
  color: var(--primary);
  margin-bottom: 2px;
  text-shadow: 0 0 12px rgba(59, 130, 246, 0.13);
}
.product-title {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
}
.product-slogan {
  font-size: 1.08rem;
  color: #e3e7e9bb;
  font-weight: 500;
  margin-top: 0;
  text-align: center;
  letter-spacing: 0.003em;
}
.welcome {
  font-size: 1.45rem;
  font-weight: 700;
  color: #fff;
  text-align: center;
}
.welcome-sub {
  color: #b2b9c5;
  font-size: 0.98rem;
  font-weight: 500;
  margin-bottom: 14px;
  text-align: center;
}
.tab-switch {
  width: 100%;
  display: flex;
  gap: 13px;
  margin-bottom: 14px;
}
.tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #232526;
  color: #fff;
  font-weight: 600;
  font-size: 1.06rem;
  border: 2px solid var(--input-border);
  border-radius: 14px;
  transition: background 0.35s cubic-bezier(0.4, 0, 0.2, 1), color 0.35s cubic-bezier(0.4, 0, 0.2, 1), border 0.35s
    cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 19px 0 18px;
  cursor: pointer;
}
.tab-btn.active,
.tab-btn:focus {
  background: var(--primary);
  color: #fff;
  border: 2px solid var(--primary);
  box-shadow: 0 4px 24px 0 rgba(59, 130, 246, 0.18);
}
.tab-btn i {
  font-size: 1.18rem;
}
.login-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  width: 100%;
}
.input-wrap {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
}
.input-wrap .input-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  color: var(--input-icon);
  opacity: 0.96;
}
.login-input {
  width: 100%;
  font-size: 1rem;
  background: var(--input-bg);
  color: var(--input-text);
  border: 1.5px solid var(--input-border);
  border-radius: 10px;
  outline: none;
  padding: 13px 42px 13px 46px;
  font-family: inherit;
  margin-bottom: 0;
  transition: border 0.18s, background 0.18s;
  box-sizing: border-box;
}
.login-input:focus {
  border: 1.5px solid var(--primary);
  background: rgba(59, 130, 246, 0.11);
  color: #fff;
}
.input-eye {
  position: absolute;
  right: 18px;
  top: 51%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--input-icon);
  opacity: 0.9;
  cursor: pointer;
  font-size: 1.18rem;
  z-index: 2;
  padding: 2px;
}
.options-row {
  display: flex;
  align-items: center;
  width: 100%;
  font-size: 0.96rem;
  justify-content: flex-start;
  margin: 4px 0 0 0;
}
.remember-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #b2b9c5;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
}
.remember-input {
  margin-right: 3px;
  accent-color: var(--primary);
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
}
.forgot-link {
  color: #60a5fa;
  font-size: 0.97rem;
  text-decoration: none;
  margin-left: auto;
  font-weight: 600;
  opacity: 0.48;
  pointer-events: none;
  filter: grayscale(1);
  user-select: none;
  cursor: default;
}

.button-group {
  display: flex;
  gap: 12px;
  width: 100%;
  margin-top: 8px;
}

.login-btn {
  flex: 1;
  background: var(--primary);
  border: none;
  border-radius: 10px;
  font-size: 1.20rem;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 3px 30px rgba(59, 130, 246, 0.09);
  transition: background 0.17s;
  padding: 14px 0 13px;
  cursor: pointer;
}
.login-btn:hover,
.login-btn:focus {
  background: var(--primary-hover);
}
@media (max-width: 550px) {
  .glass-box {
    max-width: 99vw;
    min-width: 0;
    padding: 19px 7vw 21px 7vw;
  }
  .box-contents,
  .product-header {
    padding: 0;
  }
}

@keyframes signupFadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}