:root {
  --bg: #F8F7F5;
  --surface: #FFFFFF;
  --surface-soft: #FBFAF8;
  --blue: #8FAED1;
  --blue-light: #AFC6E0;
  --blue-soft: #D6E3F1;
  --blue-dark: #6F95BF;
  --blue-deep: #4F7DAE;
  --text: #3F3A36;
  --text-secondary: #6F685F;
  --text-muted: #8C847B;
  --line: #E8E3DC;
  --shadow-sm: 0 8px 20px rgba(63, 58, 54, 0.05);
  --shadow-md: 0 18px 45px rgba(63, 58, 54, 0.08);
  --radius-xl: 34px;
  --radius-lg: 28px;
  --radius-md: 22px;
  --radius-pill: 999px;
  --page-width: 1360px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background:
    radial-gradient(circle at 12% 22%, rgba(143, 174, 209, 0.14), transparent 20%),
    linear-gradient(180deg, #F8F7F5 0%, #F3F6FA 100%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.login-shell {
  width: min(calc(100% - 64px), var(--page-width));
  margin: 0 auto;
}

/* nav */
.login-header {
  padding: 20px 0 10px;
  background: transparent;
  border-bottom: 1px solid rgba(232, 227, 220, 0.7);
}

.login-nav {
  width: min(calc(100% - 64px), var(--page-width));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.login-brand-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.login-brand-name {
  font-size: 28px;
  font-weight: 600;
  color: var(--blue);
}

.login-nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.login-nav-links a,
.login-nav-link {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
}

.login-nav-link.active {
  color: var(--blue-deep);
}

.login-nav-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.login-nav-cta {
  background: var(--blue);
  color: #fff;
  padding: 14px 22px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* main */
.login-main {
  padding: 36px 0 54px;
}

.login-layout {
  display: grid;
  grid-template-columns: 1fr 560px;
  gap: 34px;
  align-items: stretch;
}

.login-hero-panel,
.login-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 34px;
  box-shadow: var(--shadow-md);
}

.login-hero-panel {
  padding: 42px 42px 46px;
  position: relative;
  overflow: hidden;
  min-height: 760px;
  background:
    radial-gradient(circle at 15% 80%, rgba(143, 174, 209, 0.10), transparent 22%),
    linear-gradient(180deg, rgba(255,255,255,0.96) 0%, rgba(251,250,248,0.98) 100%);
}

.hero-pill {
  display: inline-block;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 28px;
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 26px;
}

.hero-logo {
  width: 50px;
  height: 50px;
  object-fit: contain;
}

.hero-brand span {
  font-size: 34px;
  font-weight: 600;
  color: var(--blue);
}

.login-hero-panel h1 {
  margin: 0;
  font-size: clamp(58px, 5.6vw, 88px);
  line-height: 0.95;
  letter-spacing: -0.05em;
  font-weight: 600;
  color: var(--text);
  max-width: 540px;
}

.login-hero-panel h1 span {
  display: block;
  color: var(--blue);
}

.hero-copy {
  margin: 24px 0 0;
  max-width: 460px;
  font-size: 19px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.hero-points {
  display: grid;
  gap: 20px;
  margin-top: 38px;
  max-width: 500px;
}

.hero-point {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  align-items: start;
}

.hero-icon {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 700;
}

.hero-point strong {
  display: block;
  margin-bottom: 5px;
  font-size: 17px;
  font-weight: 600;
}

.hero-point p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* card */
.login-card {
  padding: 38px 34px;
}

.login-card-head {
  text-align: center;
  margin-bottom: 24px;
}

.login-card-head h2 {
  margin: 0 0 8px;
  font-size: 42px;
  line-height: 1;
  letter-spacing: -0.03em;
  font-weight: 600;
  color: var(--text);
}

.login-card-head p {
  margin: 0;
  font-size: 16px;
  color: var(--text-secondary);
}

.account-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.toggle-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  padding: 16px 18px;
  border-radius: 18px;
  cursor: pointer;
}

.toggle-btn.active {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--blue-deep);
}

.login-info-box {
  background: var(--blue-soft);
  border: 1px solid rgba(143, 174, 209, 0.28);
  border-radius: 22px;
  padding: 18px 18px;
  margin-bottom: 24px;
}

.login-info-box strong {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.login-info-box p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.login-form {
  display: grid;
  gap: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}

.form-group input {
  width: 100%;
  height: 56px;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 0 18px;
  background: var(--surface);
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
  outline: none;
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.form-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.remember-me {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.forgot-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--blue-deep);
}

.sign-in-btn,
.google-btn {
  width: 100%;
  height: 56px;
  border-radius: 18px;
  font-family: inherit;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
}

.sign-in-btn {
  border: 0;
  background: var(--blue);
  color: #fff;
}

.divider {
  position: relative;
  text-align: center;
  margin: 20px 0;
}

.divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
}

.divider span {
  position: relative;
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-muted);
  font-size: 14px;
}

.google-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}

.signup-text {
  margin: 22px 0 0;
  text-align: center;
  font-size: 15px;
  color: var(--text-secondary);
}

.signup-text a {
  color: var(--blue-deep);
  font-weight: 600;
}

/* footer */
.login-footer {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  background: var(--bg);
}

.footer-inner {
  width: min(calc(100% - 64px), var(--page-width));
  margin: 0 auto;
  padding: 40px 0 30px;
  display: flex;
  justify-content: space-between;
  gap: 50px;
}

.footer-brand {
  max-width: 340px;
}

.footer-brand h2 {
  margin: 0 0 12px;
  font-size: 28px;
  font-weight: 600;
  color: var(--blue);
}

.footer-brand p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 70px;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-column h4 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.footer-column a {
  font-size: 14px;
  color: var(--text-secondary);
}

.footer-column a:hover {
  color: var(--blue-deep);
}

.footer-bottom {
  width: min(calc(100% - 64px), var(--page-width));
  margin: 0 auto;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}

/* responsive */
@media (max-width: 1200px) {
  .login-layout {
    grid-template-columns: 1fr;
  }

  .login-hero-panel {
    min-height: auto;
  }
}

@media (max-width: 900px) {
  .login-nav,
  .login-shell,
  .footer-inner,
  .footer-bottom {
    width: min(calc(100% - 32px), var(--page-width));
  }

  .login-nav {
    flex-wrap: wrap;
    gap: 16px;
  }

  .login-nav-links {
    width: 100%;
    order: 3;
    flex-wrap: wrap;
    gap: 16px;
  }

  .login-nav-right {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .footer-inner,
  .footer-links {
    flex-direction: column;
    gap: 28px;
  }
}

@media (max-width: 640px) {
  .login-card,
  .login-hero-panel {
    padding: 24px 20px;
  }

  .login-card-head h2 {
    font-size: 34px;
  }

  .account-toggle {
    grid-template-columns: 1fr;
  }

  .form-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-point {
    grid-template-columns: 48px 1fr;
  }

  .hero-icon {
    width: 46px;
    height: 46px;
    font-size: 20px;
  }
}