:root {
  --color-primary: #3148b4;
  --color-primary-strong: #273a92;
  --color-primary-border: #758bfd;
  --color-accent: #ff471f;
  --color-accent-shadow: #cf4122;
  --color-surface: #ffffff;
  --color-surface-muted: #f2f2f2;
  --color-surface-soft: #eeeeee;
  --color-text: #3e4147;
  --color-text-soft: rgba(62, 65, 71, 0.82);
  --color-error: #d83a2f;
  --shadow-field: 0 3px 10px rgba(41, 47, 59, 0.18);
  --shadow-tab:
    0 9px 18px rgba(41, 47, 59, 0.05),
    0 13px 11px rgba(117, 139, 253, 0.12),
    0 2px 8px rgba(49, 72, 180, 0.13);
  --shadow-cta:
    0 16px 27px rgba(190, 44, 13, 0.25),
    0 3px 0 var(--color-accent-shadow),
    inset 0 -2px 0 rgba(255, 255, 255, 0.15);
  --font-body: "Noto Sans", sans-serif;
  --font-display: "Fira Code", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-body);
}

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

button,
input {
  font: inherit;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.login-page {
  display: grid;
  grid-template-columns: minmax(360px, 46.4%) minmax(0, 1fr);
  min-height: 100vh;
  overflow-x: hidden;
}

.login-visual {
  position: relative;
  min-height: 900px;
  background: var(--color-primary);
  overflow: hidden;
}

.login-brand {
  position: absolute;
  top: 22px;
  left: 90px;
  z-index: 3;
}

.login-brand img {
  width: 158px;
  height: auto;
}

.login-visual-curve {
  position: absolute;
  pointer-events: none;
  user-select: none;
}

.login-visual-curve--top {
  top: -32px;
  left: -88px;
  width: 510px;
}

.login-visual-curve--bottom {
  left: -44px;
  bottom: -6px;
  width: 760px;
}

.login-visual-hero {
  position: absolute;
  left: 220px;
  bottom: 42px;
  width: min(47%, 520px);
  filter: drop-shadow(-10px 18px 20px rgba(14, 31, 112, 0.24));
}

.login-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--color-surface);
}

.login-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 30px;
  padding: 16px 55px 0 24px;
}

.login-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 34px;
  padding-right: 6px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
}

.login-nav a:hover {
  opacity: 0.72;
}

.profile-link {
  position: relative;
  display: inline-flex;
  width: 53px;
  height: 53px;
  align-items: center;
  justify-content: center;
}

.profile-link__surface {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color-surface-soft);
}

.profile-link img {
  position: relative;
  width: 22px;
  height: 22px;
}

.auth-shell {
  position: relative;
  flex: 1;
  display: flex;
  align-items: flex-start;
  padding: 92px 92px 64px 96px;
}

.auth-decoration {
  position: absolute;
  right: -12px;
  bottom: 0;
  width: 332px;
  pointer-events: none;
}

.auth-card {
  position: relative;
  width: min(100%, 540px);
  z-index: 1;
}

.auth-title {
  margin: 0 0 38px;
  font-family: var(--font-display);
  font-size: clamp(38px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.auth-tabs {
  display: grid;
  grid-template-columns: 188px minmax(0, 1fr);
  margin-bottom: 20px;
  border-radius: 7px;
  background: var(--color-surface-soft);
}

.auth-tab {
  /* width: 300; */
  min-height: 70px;
  border: 0;
  /* padding: 15px; */
  border-radius: 7px;
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.auth-tab.is-active {
  border: 2px solid var(--color-primary-border);
  background: var(--color-surface);
  color: var(--color-primary);
  box-shadow: var(--shadow-tab);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-field {
  display: flex;
  flex-direction: column;
}

.form-field.is-hidden,
[data-login-only][hidden],
[data-register-only][hidden] {
  display: none;
}

.auth-input {
  width: 100%;
  height: 70px;
  padding: 0 18px;
  border: 2px solid transparent;
  border-radius: 7px;
  background: var(--color-surface);
  box-shadow: var(--shadow-field);
  color: var(--color-text);
  font-size: 20px;
  line-height: 1.4;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.auth-input::placeholder {
  color: var(--color-text);
}

.auth-input:focus {
  border-color: rgba(49, 72, 180, 0.48);
}

.auth-input.is-invalid {
  border-color: rgba(216, 58, 47, 0.66);
}

.field-error {
  min-height: 20px;
  margin: 8px 2px 0;
  color: var(--color-error);
  font-size: 14px;
  line-height: 1.35;
}

.auth-meta {
  margin-top: -2px;
}

.auth-help-link {
  display: inline-block;
  color: #4f64cf;
  font-size: 14px;
  line-height: 1.4;
}

.auth-help-link:hover {
  color: var(--color-primary);
}

.auth-helper,
.auth-status {
  margin: 0;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
}

.auth-helper {
  background: rgba(49, 72, 180, 0.07);
  color: var(--color-primary-strong);
}

.auth-status {
  background: rgba(49, 72, 180, 0.08);
  color: var(--color-primary-strong);
}

.auth-status.is-error {
  background: rgba(216, 58, 47, 0.1);
  color: #9c281f;
}

.remember-me {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  width: fit-content;
  cursor: pointer;
}

.remember-me__input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.remember-me__box {
  position: relative;
  width: 30px;
  height: 30px;
  border: 1px solid rgba(49, 72, 180, 0.08);
  border-radius: 7px;
  background: var(--color-surface);
  box-shadow: var(--shadow-field);
}

.remember-me__box::after {
  content: "";
  position: absolute;
  inset: 8px 7px 9px;
  border-right: 2px solid transparent;
  border-bottom: 2px solid transparent;
  transform: rotate(45deg);
}

.remember-me__input:checked + .remember-me__box::after {
  border-color: var(--color-primary);
}

.remember-me__label {
  color: var(--color-text-soft);
  font-size: 14px;
}

.auth-submit {
  margin-top: 28px;
  width: 250px;
  min-height: 70px;
  border: 0;
  border-radius: 999px;
  background: var(--color-accent);
  color: var(--color-surface);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  box-shadow: var(--shadow-cta);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.auth-submit:hover {
  transform: translateY(-2px);
}

@media (max-width: 1180px) {
  .login-page {
    grid-template-columns: minmax(300px, 42%) minmax(0, 1fr);
  }

  .login-brand {
    left: 52px;
  }

  .login-visual-hero {
    left: 26px;
    width: min(96%, 500px);
  }

  .auth-shell {
    padding: 72px 48px 56px 52px;
  }

  .auth-decoration {
    width: 270px;
    right: -30px;
  }
}

@media (max-width: 900px) {
  .login-page {
    grid-template-columns: 1fr;
  }

  .login-visual {
    min-height: 360px;
  }

  .login-brand {
    top: 20px;
    left: 28px;
  }

  .login-visual-curve--top {
    top: -120px;
    left: auto;
    right: -60px;
    width: 360px;
    transform: rotate(15deg);
  }

  .login-visual-curve--bottom {
    left: -18px;
    bottom: -160px;
    width: 520px;
  }

  .login-visual-hero {
    left: auto;
    right: -22px;
    bottom: -92px;
    width: 360px;
  }

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

  .login-header {
    justify-content: space-between;
    gap: 20px;
    padding: 20px 24px 0;
  }

  .login-nav {
    gap: 18px 24px;
    justify-content: flex-start;
  }

  .auth-shell {
    padding: 34px 24px 48px;
  }

  .auth-card {
    width: 100%;
    max-width: 560px;
  }

  .auth-decoration {
    width: 220px;
    right: -56px;
    bottom: -20px;
  }
}

@media (max-width: 560px) {
  .login-visual {
    min-height: 300px;
  }

  .login-brand img {
    width: 126px;
  }

  .login-header {
    align-items: flex-start;
  }

  .login-nav {
    max-width: 220px;
    font-size: 13px;
  }

  .auth-title {
    margin-bottom: 28px;
    font-size: 34px;
  }

  .auth-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    background: var(--color-surface-soft);
  }

  .auth-tab {
    min-height: 62px;
    background: transparent;
    font-size: 16px;
  }

  .auth-input {
    height: 64px;
    font-size: 18px;
  }

  .remember-me {
    margin-top: 4px;
  }

  .auth-submit {
    width: 100%;
    margin-top: 22px;
  }

  .auth-decoration {
    display: none;
  }
}

/* Responsive refinements */
@media (max-width: 900px) {
  body {
    overflow-x: hidden;
  }

  .login-page {
    overflow: visible;
  }

  .login-header {
    align-items: center;
  }

  .auth-shell {
    justify-content: center;
  }
}

@media (max-width: 560px) {
  .login-visual {
    min-height: 260px;
  }

  .login-visual-hero {
    right: -42px;
    bottom: -82px;
    width: min(340px, 92vw);
  }

  .login-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 16px;
    padding: 18px 18px 0;
  }

  .login-nav {
    max-width: none;
    gap: 10px 16px;
  }

  .profile-link {
    width: 48px;
    height: 48px;
  }

  .auth-shell {
    padding: 30px 18px 42px;
  }

  .auth-title {
    font-size: clamp(30px, 9vw, 34px);
  }

  .auth-tab,
  .auth-input,
  .auth-submit {
    min-height: 60px;
  }

  .auth-input {
    height: 60px;
    padding-inline: 16px;
  }
}