/* Shared styles for login.html and register.html */

/* ============================================================
   Full-viewport layout: body stretches so auth-section fills
   the space between header and footer naturally.
   ============================================================ */

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--color-neutral-900);
}

/* ============================================================
   Aurora background — fixed full-viewport, same as index.html hero
   ============================================================ */

.page-aurora {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
}

.page-aurora__orb {
  position: absolute;
  border-radius: 50%;
  will-change: transform;
}

.page-aurora__orb--1 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle at center, #1e3a8a 0%, transparent 68%);
  filter: blur(90px);
  top: -300px;
  left: -150px;
  opacity: .75;
  animation: aurora-orb-1 22s ease-in-out infinite alternate;
}

.page-aurora__orb--2 {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle at center, #0e7490 0%, transparent 68%);
  filter: blur(80px);
  top: -80px;
  right: -80px;
  opacity: .55;
  animation: aurora-orb-2 28s ease-in-out infinite alternate;
}

.page-aurora__orb--3 {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle at center, #1d4ed8 0%, transparent 68%);
  filter: blur(70px);
  bottom: 20%;
  left: 30%;
  opacity: .4;
  animation: aurora-orb-3 24s ease-in-out infinite alternate;
}

.page-aurora__orb--4 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle at center, #0891b2 0%, transparent 68%);
  filter: blur(60px);
  top: 40%;
  right: 15%;
  opacity: .35;
  animation: aurora-orb-4 19s ease-in-out infinite alternate;
}

@keyframes aurora-orb-1 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(90px, 70px) scale(1.12); }
}

@keyframes aurora-orb-2 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-70px, 90px) scale(1.16); }
}

@keyframes aurora-orb-3 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(50px, -70px) scale(1.09); }
}

@keyframes aurora-orb-4 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-45px, -35px) scale(1.14); }
}

@media (prefers-reduced-motion: reduce) {
  .page-aurora__orb { animation: none; }
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* ============================================================
   Auth section — light grey background, centers the card
   ============================================================ */

.auth-section {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: var(--space-10);
  padding-inline: var(--space-4);
  background-color: transparent;
}

/* ============================================================
   Auth card
   ============================================================ */

.auth-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-xl);
}

.auth-card__logo-link {
  display: block;
  width: fit-content;
  margin-inline: auto;
  margin-block-end: var(--space-8);
  font-size: var(--font-size-xl);
}

.auth-card__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  text-align: center;
  margin-block-end: var(--space-2);
  line-height: var(--leading-tight);
}

.auth-card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-align: center;
  margin-block-end: var(--space-8);
}

/* ============================================================
   Account type toggle — segmented control (Particulier / Zakelijk)
   ============================================================ */

.auth-type-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-block-end: var(--space-2);
}

.auth-type-toggle__option {
  position: relative;
  cursor: pointer;
}

.auth-type-toggle__option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.auth-type-toggle__option span {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding-block: var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  background-color: transparent;
  border-inline-end: 1.5px solid var(--color-border);
  transition: background-color var(--duration-fast) var(--ease-default),
              color            var(--duration-fast) var(--ease-default);
}

.auth-type-toggle__option:last-child span {
  border-inline-end: none;
}

.auth-type-toggle__option input[type="radio"]:checked + span {
  background-color: var(--color-primary-600);
  color: #fff;
  border-inline-end: none;
}

.auth-type-toggle__option input[type="radio"]:focus-visible + span {
  outline: 2px solid var(--color-primary-500);
  outline-offset: -3px;
}

/* Company-specific two-column row reuses the existing __row grid */
.auth-form__row--company {
  margin-block-start: var(--space-5);
}

/* ============================================================
   Auth form
   ============================================================ */

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.auth-form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.auth-form__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.auth-form__input {
  width: 100%;
  padding-block: var(--space-3);
  padding-inline: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-surface);
  transition: border-color var(--duration-fast) var(--ease-default),
              box-shadow   var(--duration-fast) var(--ease-default);
}

.auth-form__input:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

/* WORKAROUND: browsers inject their own autofill background (#e8f0fe on Chrome)
   which ignores background-color overrides; inset box-shadow is the only escape hatch */
.auth-form__input:-webkit-autofill,
.auth-form__input:-webkit-autofill:hover,
.auth-form__input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px #ffffff inset;
  -webkit-text-fill-color: #0f172a;
  caret-color: #0f172a;
}

.auth-form__forgot {
  align-self: flex-end;
  font-size: var(--font-size-xs);
  color: var(--color-link);
  text-decoration: none;
}

.auth-form__forgot:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

.auth-form__submit {
  width: 100%;
  margin-block-start: var(--space-2);
  justify-content: center;
}

/* ============================================================
   Divider — decorative horizontal rule with centred text
   ============================================================ */

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-block: var(--space-6);
  color: var(--color-text-subtle);
  font-size: var(--font-size-sm);
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--color-border);
}

/* ============================================================
   Register / secondary link
   ============================================================ */

.auth-card__register {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-block-start: var(--space-6);
}

.auth-card__register a {
  color: var(--color-link);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
}

.auth-card__register a:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

/* ============================================================
   Register — two-column name row
   ============================================================ */

.auth-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 360px) {
  .auth-form__row {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Password strength indicator
   ============================================================ */

.auth-form__strength {
  display: grid;
  row-gap: var(--space-1);
  margin-block-start: var(--space-1);
}

.auth-form__strength-bar {
  width: 100%;
  height: 4px;
  border-radius: var(--radius-full);
  background-color: var(--color-neutral-200);
  overflow: hidden;
}

.auth-form__strength-fill {
  height: 100%;
  width: 0;
  border-radius: var(--radius-full);
  transition: width var(--duration-normal) var(--ease-out),
              background-color var(--duration-fast) var(--ease-default);
}

.auth-form__strength-fill--weak   { width: 33%; background-color: var(--color-error-500); }
.auth-form__strength-fill--fair   { width: 66%; background-color: var(--color-warning-500); }
.auth-form__strength-fill--strong { width: 100%; background-color: var(--color-success-500); }

.auth-form__strength-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  justify-self: end;
  order: -1;
}

.auth-form__strength-label--weak   { color: var(--color-error-500); }
.auth-form__strength-label--fair   { color: var(--color-warning-500); }
.auth-form__strength-label--strong { color: var(--color-success-500); }

/* ============================================================
   Inline field error
   ============================================================ */

.auth-form__error {
  font-size: var(--font-size-xs);
  color: var(--color-error-500);
  margin-block-start: var(--space-1);
}

.auth-form__input--error {
  border-color: var(--color-error-500);
}

.auth-form__input--error:focus {
  border-color: var(--color-error-500);
  box-shadow: 0 0 0 3px var(--color-error-100);
}

/* ============================================================
   Terms checkbox
   ============================================================ */

.auth-form__checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.auth-form__checkbox {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  margin-block-start: 2px;
  accent-color: var(--color-primary-600);
  cursor: pointer;
}

.auth-form__checkbox-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  cursor: pointer;
}

.auth-form__checkbox-label a {
  color: var(--color-link);
  text-decoration: none;
}

.auth-form__checkbox-label a:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

/* ============================================================
   Input wrapper — icon + field, focus highlight on container
   ============================================================ */

.auth-form__input-wrapper {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding-inline-start: var(--space-3);
  transition: border-color var(--duration-fast) var(--ease-default),
              box-shadow   var(--duration-fast) var(--ease-default);
}

.auth-form__input-wrapper:focus-within {
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.auth-form__input-wrapper:has(.auth-form__input--error) {
  border-color: var(--color-error-500);
}

.auth-form__input-wrapper:has(.auth-form__input--error):focus-within {
  border-color: var(--color-error-500);
  box-shadow: 0 0 0 3px var(--color-error-100);
}

.auth-form__input-icon {
  flex-shrink: 0;
  color: var(--color-text-muted);
  pointer-events: none;
}

.auth-form__input-wrapper .auth-form__input {
  border: none;
  padding-inline-start: var(--space-2);
  flex: 1;
  min-width: 0;
}

.auth-form__input-wrapper .auth-form__input:focus {
  outline: none;
  border: none;
  box-shadow: none;
}

/* ============================================================
   Social auth buttons (Google, Apple)
   ============================================================ */

.auth-social-btns {
  display: flex;
  gap: var(--space-3);
}

.auth-social-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 44px;
  padding-inline: var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  font-family: var(--font-sans);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-default);
}

.auth-social-btn:hover {
  border-color: var(--color-primary-500);
}

.auth-social-btn:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

.auth-social-btn--apple svg {
  color: var(--color-neutral-500);
}

/* ============================================================
   Responsive — narrow cards on small screens get less padding
   ============================================================ */

@media (max-width: 480px) {
  .auth-card {
    padding: var(--space-6);
  }
}

.demo-container {
  max-inline-size: 1280px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.demo-footer {
  background-color: var(--color-neutral-900);
  color: var(--color-neutral-500);
  font-size: var(--font-size-sm);
  text-align: center;
  padding-block: 2.5rem;
}

.demo-footer a {
  color: var(--color-neutral-300);
  text-decoration: none;
}

.demo-footer a:hover { color: #fff; }

.demo-footer__links {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-block-end: 1.5rem;
}

.demo-footer p {
  max-inline-size: none;
  margin-inline: auto;
}

.demo-footer__eu-badge {
  margin-block-start: .75rem;
  font-size: .8rem;
  font-style: italic;
  opacity: .65;
}