* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #5b5ce2;
  --primary-dark: #4546c8;
  --text-main: #111827;
  --text-muted: #667085;
  --border: #dfe3f1;
  --background: #f7f8ff;
  --card: #ffffff;
  --soft-purple: #eef0ff;
}

body {
  min-height: 100vh;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at top left, rgba(91, 92, 226, 0.12), transparent 35%),
    radial-gradient(circle at bottom right, rgba(91, 92, 226, 0.10), transparent 35%),
    linear-gradient(135deg, #ffffff 0%, #f5f6ff 100%);
}

.signin-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 34px 46px;
}

.page-logo {
  width: fit-content;
}

.signin-logo {
  display: block;
  width: 180px;
  height: auto;
}

.signin-card {
  width: min(1120px, 100%);
  min-height: 620px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 28px 80px rgba(29, 41, 57, 0.12);
}

.signin-left {
  position: relative;
  background:
    radial-gradient(circle at 25% 20%, rgba(91, 92, 226, 0.10), transparent 22%),
    linear-gradient(160deg, #f4f5ff 0%, #eef0ff 100%);
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.decor {
  position: absolute;
  border-radius: 999px;
  background: rgba(91, 92, 226, 0.12);
}

.decor-one {
  width: 260px;
  height: 260px;
  left: -85px;
  top: 82px;
}

.decor-two {
  width: 360px;
  height: 360px;
  left: -80px;
  bottom: -210px;
  border: 64px solid rgba(91, 92, 226, 0.10);
  background: transparent;
}

.signin-left::after {
  content: "";
  position: absolute;
  top: 36px;
  right: 40px;
  width: 92px;
  height: 92px;
  background-image: radial-gradient(var(--primary) 2px, transparent 2px);
  background-size: 22px 22px;
  opacity: 0.16;
}

.brand-content {
  position: relative;
  display: flex;
  justify-content: center;
  text-align: center;
  z-index: 2;
}

.signin-hero-logo {
  display: block;
  width: min(420px, 100%);
  height: auto;
}

.signin-right {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px;
  background: rgba(255, 255, 255, 0.86);
}

.login-content {
  width: 100%;
  max-width: 470px;
  text-align: center;
}

.lock-circle {
  width: 86px;
  height: 86px;
  margin: 0 auto 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--primary);
  background: linear-gradient(145deg, #f0f1ff, #e6e8ff);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.8);
}

.login-content h2 {
  font-size: 34px;
  font-weight: 850;
  letter-spacing: -0.8px;
  color: var(--text-main);
}

.description {
  margin-top: 14px;
  font-size: 17px;
  line-height: 1.5;
  color: var(--text-muted);
}

.divider {
  height: 1px;
  width: 100%;
  background: var(--border);
  margin: 36px 0;
}

.microsoft-btn {
  width: 100%;
  min-height: 76px;
  border: 1px solid #cfd3ff;
  border-radius: 12px;
  background: #ffffff;
  color: #111827;
  font-size: 18px;
  font-weight: 750;
  cursor: pointer;
  display: grid;
  grid-template-columns: 48px 1fr 32px;
  align-items: center;
  gap: 16px;
  padding: 0 28px;
  box-shadow: 0 10px 25px rgba(29, 41, 57, 0.08);
  transition: 0.2s ease;
}

.microsoft-btn:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: 0 16px 35px rgba(91, 92, 226, 0.18);
}

.microsoft-btn:active {
  transform: translateY(0);
}

.microsoft-icon {
  width: 34px;
  height: 34px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
}

.ms-square {
  display: block;
}

.red {
  background: #f25022;
}

.green {
  background: #7fba00;
}

.blue {
  background: #00a4ef;
}

.yellow {
  background: #ffb900;
}

.arrow-icon {
  color: var(--primary);
}

.login-status {
  margin-top: 18px;
  min-height: 22px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}

.login-status.success {
  color: #067647;
}

.login-status.error {
  color: #b42318;
}

.secure-info {
  margin-top: 32px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #667085;
  font-size: 15px;
}

.secure-info svg {
  color: #667085;
}

.signin-footer {
  margin-top: 28px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: #667085;
}

/* Tablet */
@media (max-width: 960px) {
  .signin-page {
    padding: 24px;
  }

  .signin-card {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .signin-left {
    min-height: 260px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .signin-hero-logo {
    width: min(340px, 84%);
  }

  .signin-right {
    padding: 48px 28px;
  }
}

/* Mobile */
@media (max-width: 560px) {
  .signin-page {
    padding: 22px 16px;
  }

  .page-logo {
    margin-bottom: 26px;
  }

  .signin-logo {
    width: 160px;
  }

  .signin-left {
    display: none;
  }

  .signin-card {
    border-radius: 18px;
  }

  .signin-right {
    padding: 42px 20px;
  }

  .login-content h2 {
    font-size: 28px;
  }

  .description {
    font-size: 15px;
  }

  .microsoft-btn {
    min-height: 68px;
    font-size: 16px;
    grid-template-columns: 38px 1fr 24px;
    padding: 0 18px;
  }

  .microsoft-icon {
    width: 30px;
    height: 30px;
  }
}