/* Theme tokens */
:root {
  --signup-bg: #eef6f3;
  --signup-bg-accent: #d8ebe4;
  --signup-surface: rgba(255, 255, 255, 0.92);
  --signup-surface-strong: #ffffff;
  --signup-panel: linear-gradient(180deg, #d7ece5 0%, #c7e1d8 100%);
  --signup-border: #d9e6e0;
  --signup-border-strong: #bcd2c9;
  --signup-text: #14332b;
  --signup-text-muted: #5b6e68;
  --signup-accent: #04d179;
  --signup-accent-dark: #0f3a2f;
  --signup-accent-soft: #edf8f5;
  --signup-button: #14332b;
  --signup-button-hover: #0f2721;
  --signup-error: #d14f45;
  --signup-error-dark: #8f2e27;
  --signup-shadow: 0 24px 60px rgba(20, 51, 43, 0.14);
  --signup-shadow-soft: 0 12px 28px rgba(20, 51, 43, 0.08);
}

* {
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  padding: 24px 0;
  color: var(--signup-text);
  background:
    radial-gradient(circle at top left, rgba(141, 191, 182, 0.38), transparent 32%),
    radial-gradient(circle at top right, rgba(4, 209, 121, 0.12), transparent 24%),
    linear-gradient(180deg, #f8fcfb 0%, var(--signup-bg) 48%, var(--signup-bg-accent) 100%);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow-x: hidden;
  overflow-y: auto;
}

.signup {
  width: min(940px, calc(100vw - 32px));
  display: flex;
  align-items: stretch;
  background: var(--signup-surface);
  border: 1px solid rgba(217, 230, 224, 0.9);
  border-radius: 28px;
  box-shadow: var(--signup-shadow);
  backdrop-filter: blur(10px);
  overflow: visible;
}

.signup-connect,
.signup-classic {
  width: 46%;
  padding: 48px 44px;
  background: var(--signup-panel);
  color: var(--signup-text);
}

.signup-connect img,
.signup-classic img {
  max-width: 100%;
  height: auto;
}

.hero {
  margin: 18px 0 14px;
  color: var(--signup-text);
  font-size: clamp(1.55rem, 2.8vw, 2.1rem);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.blurb {
  margin: 10px 0;
  color: var(--signup-text);
  font-size: 1rem;
  line-height: 1.65;
}

.bullets {
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--signup-text);
}

.bullets li {
  margin: 8px 0;
  line-height: 1.55;
}

.login {
  width: 54%;
  padding: 40px 44px 36px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 252, 251, 0.98));
  position: relative;
  z-index: 3;
}

.login__field {
  position: relative;
  padding: 12px 0;
}

.login__icon {
  position: absolute;
  left: 0;
  top: 28px;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--signup-text-muted);
  z-index: 1;
  pointer-events: none;
  transition: color 0.2s ease;
}

.login__field:focus-within .login__icon {
  color: var(--signup-accent-dark);
}

.login__input {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px 12px 28px;
  border: 1px solid transparent;
  border-bottom: 2px solid var(--signup-border-strong);
  border-radius: 0;
  background: transparent;
  color: var(--signup-text);
  font-size: 15px;
  font-weight: 600;
  transition:
    border-color 0.2s ease,
    background-color 0.2s ease,
    box-shadow 0.2s ease;
}

.login__input::placeholder {
  color: color-mix(in srgb, var(--signup-text-muted) 70%, white);
}

.login__input:hover {
  border-bottom-color: #8dbfb6;
}

.login__input:focus,
.login__input:active {
  outline: none;
  border-bottom-color: var(--signup-accent);
  box-shadow: inset 0 -1px 0 rgba(4, 209, 121, 0.35);
}

.login__input:read-only,
.login__input[readonly] {
  background: rgba(20, 51, 43, 0.04);
  border-bottom-color: var(--signup-border);
  cursor: not-allowed;
}

.login__input.forced,
.login__input[data-forced="1"] {
  background: var(--signup-accent-soft);
  border-bottom-color: #8dbfb6;
}

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active {
  -webkit-box-shadow: 0 0 0 1000px transparent inset !important;
  -webkit-text-fill-color: var(--signup-text) !important;
  transition: background-color 9999s ease-out 0s;
}

.login__submit,
.button {
  user-select: none;
  -webkit-user-select: none;
}

.login__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 11px 18px;
  border: 0;
  border-radius: 999px;
  background: var(--signup-button);
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: 0 10px 24px rgba(20, 51, 43, 0.16);
  cursor: pointer;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background-color 0.18s ease;
}

.login__submit:hover {
  background: var(--signup-button-hover);
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(20, 51, 43, 0.2);
}

.login__submit:active {
  transform: translateY(0);
}

.login__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.button__icon,
.login__submit .button__icon,
.step-nav .button__icon {
  font-size: 12px;
}

.error-popup {
  position: absolute;
  display: none;
  margin-top: 8px;
  padding: 10px 12px;
  max-width: 320px;
  border-radius: 12px;
  background: var(--signup-error);
  color: #ffffff;
  font-size: 13px;
  line-height: 1.45;
  box-shadow: 0 12px 24px rgba(143, 46, 39, 0.24);
  z-index: 100;
  opacity: 0;
  transform: translateY(-4px) scale(0.98);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.error-popup.active {
  display: block;
  opacity: 1;
  transform: translateY(0) scale(1);
}

.error-popup::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 16px;
  border-width: 0 8px 8px 8px;
  border-style: solid;
  border-color: transparent transparent var(--signup-error) transparent;
}

.error-popup a {
  color: #ffffff;
  font-weight: 700;
  text-decoration: underline;
}

.field-icon {
  position: relative;
  float: right;
  margin-top: -29px;
  margin-right: 6px;
  min-width: 28px;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--signup-text-muted);
  cursor: pointer;
  z-index: 2;
  transition: color 0.2s ease, transform 0.2s ease;
}

.field-icon:hover {
  color: var(--signup-accent-dark);
  transform: scale(1.06);
}

#requestModal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  background: rgba(15, 39, 33, 0.36);
  backdrop-filter: blur(4px);
  z-index: 9999;
}

#requestModal .card {
  width: min(440px, 100%);
  margin: auto;
  padding: 22px;
  border-radius: 18px;
  background: var(--signup-surface-strong);
  box-shadow: var(--signup-shadow);
}

#requestModal .card h4 {
  margin: 0 0 12px;
  color: var(--signup-text);
  font-size: 1.15rem;
}

#requestModal .login__input {
  margin: 6px 0;
}

#request_msg {
  font-size: 13px;
  color: var(--signup-text-muted);
}

.hint {
  margin-top: 6px;
  color: var(--signup-text-muted);
  font-size: 12px;
  line-height: 1.45;
}

.inline-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.inline-check input[type="checkbox"],
.optins input[type="checkbox"] {
  accent-color: var(--signup-accent);
}

#stepper {
  margin-bottom: 14px;
}

#stepDots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

#stepDots .dot {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #d7e7e1;
  color: var(--signup-text-muted);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid #c7d9d2;
  transition: all 0.2s ease;
}

#stepDots .dot.active {
  background: var(--signup-accent-dark);
  border-color: var(--signup-accent-dark);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(20, 51, 43, 0.18);
  transform: scale(1.06);
}

.step {
  display: none;
  opacity: 0;
  transform: translateX(18px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.step.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.step-nav {
  margin-top: 18px;
}

.step-nav.row {
  display: flex;
  gap: 10px;
  justify-content: space-between;
}

.step-nav .login__submit {
  min-width: 116px;
}

.optins {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(237, 248, 245, 0.8);
}

.optins label {
  flex: 1;
  color: var(--signup-text);
  font-size: 13px;
  cursor: pointer;
}

*:focus-visible {
  outline: 2px solid rgba(4, 209, 121, 0.48);
  outline-offset: 2px;
}

.login__submit.loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.login__submit.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  margin: -9px 0 0 -9px;
  border: 2px solid rgba(255, 255, 255, 0.28);
  border-top-color: #ffffff;
  border-radius: 999px;
  animation: signup-spin 0.8s linear infinite;
}

@keyframes signup-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 900px) {
  .signup {
    flex-direction: column;
    width: min(720px, calc(100vw - 20px));
  }

  .signup-connect,
  .signup-classic,
  .login {
    width: 100%;
  }

  .signup-connect,
  .signup-classic {
    padding: 34px 28px;
  }

  .login {
    padding: 30px 28px 28px;
  }
}

@media (max-width: 640px) {
  body {
    padding: 12px 0;
  }

  .signup {
    width: calc(100vw - 12px);
    border-radius: 20px;
  }

  .signup-connect,
  .signup-classic {
    padding: 24px 18px;
  }

  .login {
    padding: 22px 18px 20px;
  }

  .hero {
    font-size: 1.35rem;
  }

  .blurb,
  .bullets li {
    font-size: 14px;
  }

  .subject-chip-grid,
  #stepDots {
    gap: 8px;
  }

  .step-nav.row {
    flex-direction: column;
  }

  .step-nav .login__submit,
  .login__submit {
    width: 100%;
    min-width: 0;
    min-height: 44px;
  }

  .error-popup {
    position: relative;
    max-width: 100%;
  }

  .error-popup::before {
    display: none;
  }
}