/*
 * Registration — registration.html
 * Figma: pjwDXRe86lAKHSpDI6ib5f
 * • 263:86469 / 263:86553 / 263:86631 — empty
 * • 263:86485 / 263:86566 / 263:86645 — password + hint
 * • 263:86501 / 263:86579 / 263:86659 — filled
 * • 263:86515 / 263:86591 / 263:86673 — popup
 */

:root {
  --color-text: #2c3038;
  --color-bg-mobile: #defff0;
  --color-bg-tablet: #e2faed;
  --color-bg-desktop: #defff0;
  --color-button: #108b88;
  --color-input-bg: #ffffff;
  --color-input-border: #d1d5db;
  --color-input-border-focus: #108b88;
  --color-input-border-error: #e24c4c;
  --color-error: #e24c4c;
  --color-hint: #6b7280;
  --color-progress-active: #108b88;
  --color-progress-inactive: #c8e8e0;
  --color-button-disabled: #9cc5c3;

  --font-family: "Inter", system-ui, sans-serif;

  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;

  --content-max: 502px;
  --content-mobile: 343px;
  --radius-input: 8px;
  --radius-button: 8px;
  --header-height-mobile: 60px;
  --header-height-desktop: 31px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg-mobile);
}

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

button,
input {
  font: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
}

/* —— Registration — mobile (263:86469) —— */

.registration {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-mobile);
}

.registration__header {
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  min-height: var(--header-height-mobile);
  padding-inline: var(--space-16);
  flex-shrink: 0;
}

.registration__header--desktop {
  display: none;
}

.registration__back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-left: -10px;
  color: var(--color-text);
}

.registration__back-icon {
  display: block;
}

.registration__progress {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  align-items: center;
}

.registration__progress-step {
  height: 4px;
  border-radius: 999px;
  background: var(--color-progress-inactive);
}

.registration__progress-step.is-active {
  background: var(--color-progress-active);
}

.registration__header-spacer {
  width: 44px;
}

.registration__shell {
  display: flex;
  flex: 1;
  flex-direction: column;
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding: var(--space-24) var(--space-16) var(--space-40);
}

.registration__content {
  display: flex;
  flex: 1;
  flex-direction: column;
  width: 100%;
}

.registration__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  width: 100%;
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  width: 100%;
}

.field__label {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
}

.field__input {
  width: 100%;
  min-height: 48px;
  padding: 14px 16px;
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-input);
  background: var(--color-input-bg);
  color: var(--color-text);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.3;
  outline: none;
  transition: border-color 0.2s ease;
}

.field:focus-within .field__input {
  border-color: var(--color-input-border-focus);
}

.field--filled .field__input {
  border-color: var(--color-input-border);
}

.field--error .field__input,
.field--error:focus-within .field__input {
  border-color: var(--color-input-border-error);
}

.field__hint,
.field__error {
  display: none;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.3;
}

.field--with-hint:focus-within .field__hint {
  display: block;
  color: var(--color-hint);
}

.field--error .field__hint {
  display: none;
}

.field--error .field__error {
  display: block;
  color: var(--color-error);
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 48px;
  padding: 14px 20px;
  border-radius: var(--radius-button);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  text-align: center;
  transition: opacity 0.2s ease;
}

.btn:hover {
  opacity: 0.9;
}

.btn--primary {
  background: var(--color-button);
  color: #fff;
}

.btn--disabled,
.btn--primary:disabled {
  background: var(--color-button-disabled);
  cursor: not-allowed;
  opacity: 1;
}

.btn--disabled:hover,
.btn--primary:disabled:hover {
  opacity: 1;
}

.registration__terms {
  margin-top: auto;
  padding-top: var(--space-32);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.3;
  text-align: center;
}

.registration__terms-link {
  font-weight: 600;
}

.registration__terms-link:hover {
  color: var(--color-button);
}

/* —— Tablet — 768px+ (263:86553) —— */

@media (min-width: 768px) {
  body,
  .registration {
    background: var(--color-bg-tablet);
  }

  .registration {
    position: relative;
    justify-content: center;
  }

  .registration__header--mobile-tablet {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding-inline: clamp(var(--space-16), 4vw, var(--space-40));
  }

  .registration__shell {
    flex: 0 1 auto;
    justify-content: center;
    padding: calc(var(--header-height-mobile) + var(--space-40)) var(--space-16)
      var(--space-40);
  }

  .registration__content {
    flex: 0 1 auto;
  }

  .registration__terms {
    margin-top: var(--space-32);
    padding-top: 0;
  }

  /* 263:86566 / 263:86579 — hint остаётся при заполнении */
  .field--with-hint.field--filled .field__hint {
    display: block;
    color: var(--color-hint);
  }
}

/* —— Desktop — 1280px+ (263:86631) —— */

@media (min-width: 1280px) {
  body,
  .registration {
    background: var(--color-bg-desktop);
  }

  .registration {
    align-items: center;
    justify-content: center;
    padding: var(--space-40) var(--space-16);
  }

  .registration__header--mobile-tablet {
    display: none;
  }

  .registration__shell {
    flex: 0 1 auto;
    width: 100%;
    max-width: var(--content-max);
    padding: 0;
  }

  .registration__header--desktop {
    display: grid;
    min-height: var(--header-height-desktop);
    padding-inline: 0;
    margin-bottom: var(--space-24);
  }

  .registration__header--desktop .registration__back {
    width: 24px;
    height: 24px;
    margin-left: 0;
  }

  .registration__content {
    flex: 0 1 auto;
  }

  .registration__terms {
    margin-top: var(--space-32);
    padding-inline: var(--space-10);
    text-align: left;
    line-height: 1.3;
  }
}

/* —— Popup (263:86515 / 263:86591) —— */

.popup {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
}

.popup.is-open {
  display: flex;
}

.popup__backdrop {
  position: absolute;
  inset: 0;
  background: rgb(44 48 56 / 40%);
}

.popup__dialog {
  position: relative;
  width: 100%;
  max-width: 343px;
  padding: var(--space-24);
  border-radius: var(--radius-input);
  background: #fff;
  text-align: center;
}

.popup__title {
  margin: 0 0 var(--space-12);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.popup__text {
  margin: 0 0 var(--space-24);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--color-text);
}

.popup__btn {
  width: 100%;
}

.registration--popup-open {
  overflow: hidden;
}