/* ============================================
   AUTHENTICATION PAGES - RESPONSIVE DESIGN
   Purple/Pink Theme (#711c77, #a21878, #8e44ad)
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Primary Colors */
  --primary-dark: #711c77;
  --primary: #8e44ad;
  --primary-light: #a21878;
  --accent: #d946ef;

  /* Neutrals */
  --white: #ffffff;
  --gray-50: #f9f7fc;
  --gray-100: #f3f0f7;
  --gray-200: #e9e0f0;
  --gray-300: #d4c5e2;
  --gray-400: #a39ec2;
  --gray-500: #8b7ba8;
  --gray-600: #6b5a88;
  --gray-700: #4a3f5c;
  --gray-800: #2d2436;
  --gray-900: #1a1621;

  /* Status Colors */
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;

  /* Transitions */
  --transition: all 0.3s ease;
}

html,
body {
  height: 100%;
  width: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
  color: var(--gray-800);
  line-height: 1.6;
}

/* ============================================
   AUTH CONTAINER
   ============================================ */

.auth-container {
  display: flex;
  min-height: 100vh;
  align-items: stretch;
}

.auth-branding {
  flex: 1;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  color: var(--white);
}

.brand-content {
  text-align: center;
  max-width: 500px;
}

.brand-content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.brand-content p {
  font-size: 1.125rem;
  opacity: 0.9;
  line-height: 1.6;
}

.auth-form-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  background: var(--white);
  overflow-y: auto;
}

.form-card {
  width: 100%;
  max-width: 500px;
}

.form-header {
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.form-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
}

.form-header p {
  color: var(--gray-500);
  font-size: 0.95rem;
}

/* ============================================
   FORM STYLING
   ============================================ */

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

.auth-form.hidden {
  display: none;
}

.auth-form.active-form {
  display: flex;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-group label {
  font-weight: 600;
  color: var(--gray-800);
  font-size: 0.95rem;
}

.input-wrapper {
  display: flex;
  align-items: center;
  background: var(--gray-50);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 0 var(--spacing-md);
  transition: var(--transition);
  position: relative;
}

.input-wrapper:focus-within {
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(174, 68, 173, 0.1);
}

.input-icon {
  font-size: 1.2rem;
  margin-right: var(--spacing-sm);
  opacity: 0.7;
}

.input-wrapper input {
  flex: 1;
  border: none;
  background: transparent;
  padding: var(--spacing-md) 0;
  font-size: 1rem;
  color: var(--gray-800);
  outline: none;
}

.input-wrapper input::placeholder {
  color: var(--gray-400);
}

.input-wrapper.password-wrapper {
  padding-right: var(--spacing-sm);
}

.toggle-password {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: var(--spacing-sm);
  opacity: 0.6;
  transition: var(--transition);
}

.toggle-password:hover {
  opacity: 1;
}

.back-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  padding: var(--spacing-md) 0;
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: var(--transition);
}

.back-btn:hover {
  color: var(--primary-dark);
}

.error-message {
  color: var(--error);
  font-size: 0.85rem;
  min-height: 1.2em;
  display: block;
}

/* ============================================
   PASSWORD STRENGTH INDICATOR
   ============================================ */

.password-strength {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.strength-bar {
  width: 100%;
  height: 6px;
  background: var(--gray-200);
  border-radius: 3px;
  overflow: hidden;
}

.strength-bar::after {
  content: "";
  display: block;
  width: 0%;
  height: 100%;
  background: var(--error);
  transition: width 0.3s ease, background-color 0.3s ease;
}

.strength-text {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ============================================
   PASSWORD REQUIREMENTS
   ============================================ */

.password-requirements {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.password-requirements p {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--spacing-sm);
}

.password-requirements ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.password-requirements li {
  font-size: 0.85rem;
  color: var(--gray-600);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: var(--transition);
}

.password-requirements li.met {
  color: var(--success);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn-primary,
.btn-secondary,
.btn-link {
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  width: 100%;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(174, 68, 173, 0.3);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--gray-100);
  color: var(--primary);
  width: 100%;
  border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
  background: var(--gray-200);
  border-color: var(--primary);
}

.btn-link {
  background: transparent;
  color: var(--primary);
  width: 100%;
  padding: var(--spacing-md);
}

.btn-link:hover {
  text-decoration: underline;
}

.btn-text {
  display: inline;
}

.btn-loader {
  font-size: 1.2rem;
}

.btn-loader.hidden {
  display: none;
}

/* ============================================
   FORM DIVIDERS & SECTIONS
   ============================================ */

.form-divider {
  text-align: center;
  color: var(--gray-500);
  font-size: 0.9rem;
  padding: var(--spacing-md) 0;
}

.form-divider span {
  display: block;
}

.form-section-divider {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: var(--spacing-md) 0 var(--spacing-sm) 0;
  border-top: 2px solid var(--gray-200);
  margin-top: var(--spacing-lg);
}

/* ============================================
   SUCCESS MESSAGE
   ============================================ */

.success-message {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--success);
  font-weight: 500;
  margin-top: var(--spacing-md);
}

.success-message.hidden {
  display: none;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet (768px and below) */
@media (max-width: 768px) {
  .auth-container {
    flex-direction: column;
    min-height: auto;
  }

  .auth-branding {
    order: -1;
    min-height: 200px;
    padding: var(--spacing-lg);
  }

  .brand-content h1 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
  }

  .brand-content p {
    font-size: 1rem;
  }

  .auth-form-wrapper {
    padding: var(--spacing-lg);
  }

  .form-card {
    max-width: 100%;
  }

  .form-header h2 {
    font-size: 1.75rem;
  }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
  .auth-container {
    min-height: 100vh;
  }

  .auth-branding {
    min-height: 150px;
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .brand-content h1 {
    font-size: 1.5rem;
  }

  .brand-content p {
    font-size: 0.95rem;
  }

  .auth-form-wrapper {
    padding: var(--spacing-md);
  }

  .form-header h2 {
    font-size: 1.5rem;
  }

  .form-header {
    margin-bottom: var(--spacing-lg);
  }

  .auth-form {
    gap: var(--spacing-md);
  }

  .form-group {
    gap: var(--spacing-xs);
  }

  .input-wrapper {
    padding: 0 var(--spacing-md);
  }

  .btn-primary,
  .btn-secondary,
  .btn-link {
    padding: 14px 20px;
    font-size: 0.95rem;
  }

  .password-requirements {
    padding: var(--spacing-md);
    font-size: 0.85rem;
  }

  .password-requirements li {
    font-size: 0.8rem;
  }
}

/* Extra Small (360px and below) */
@media (max-width: 360px) {
  .auth-branding {
    padding: var(--spacing-md);
  }

  .brand-content h1 {
    font-size: 1.25rem;
  }

  .brand-content p {
    font-size: 0.9rem;
  }

  .auth-form-wrapper {
    padding: var(--spacing-md);
  }

  .form-card {
    padding: 0;
  }

  .form-header h2 {
    font-size: 1.25rem;
  }

  .input-icon {
    font-size: 1rem;
  }

  .input-wrapper input {
    font-size: 0.95rem;
    padding: 12px 0;
  }
}

/* ============================================
   AUTH POLISH OVERRIDES
   ============================================ */

body.register-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 18%, rgba(240, 196, 25, 0.16), transparent 28%),
    linear-gradient(135deg, #f9f4fb 0%, #ffffff 48%, #f3e8f7 100%);
}

.register-page .auth-container {
  min-height: 100vh;
  padding: 24px;
  gap: 24px;
}

.register-page .auth-branding {
  flex: 0 0 38%;
  min-height: calc(100vh - 48px);
  border-radius: 24px;
  overflow: hidden;
  position: sticky;
  top: 24px;
  align-self: flex-start;
  background:
    linear-gradient(150deg, rgba(113, 28, 119, 0.94), rgba(162, 24, 120, 0.94)),
    url("/static/images/logo.png") center 74% / 280px no-repeat;
  box-shadow: 0 26px 70px rgba(113, 28, 119, 0.28);
}

.register-page .auth-branding::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 34%;
  background: linear-gradient(0deg, rgba(38, 15, 43, 0.38), transparent);
  pointer-events: none;
}

.register-page .brand-content {
  position: relative;
  z-index: 1;
  max-width: 420px;
}

.logo-container {
  display: flex;
  justify-content: center;
}

.logo-branding {
  width: 112px;
  height: 112px;
  object-fit: contain;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  padding: 10px;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.18);
  margin-bottom: 22px;
}

.auth-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 14px;
  margin-bottom: 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: #ffe66b;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.register-page .brand-content h1 {
  font-size: clamp(2.2rem, 4vw, 4.4rem);
  letter-spacing: 0;
}

.register-page .brand-content p {
  max-width: 360px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.9);
}

.register-page .auth-form-wrapper {
  flex: 1;
  min-height: calc(100vh - 48px);
  padding: 0;
  background: transparent;
  align-items: center;
}

.register-page .form-card {
  position: relative;
  overflow: hidden;
  max-width: 820px;
  border: 1px solid rgba(113, 28, 119, 0.1);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 24px 70px rgba(75, 50, 91, 0.14);
  padding: 34px;
}

.register-page .form-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 8px;
  background: linear-gradient(90deg, #711c77, #a21878, #f0c419);
}

.register-page .form-header {
  text-align: left;
  margin-bottom: 24px;
}

.register-page .form-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.45rem);
}

.register-page .auth-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.register-page .form-section-divider,
.register-page .terms-group,
.register-page .password-requirements,
.register-page .btn-primary,
.register-page .form-divider,
.register-page .btn-secondary,
.register-page .google-register-block {
  grid-column: 1 / -1;
}

.register-page .form-section-divider {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 32px;
  margin: 6px 0 -2px;
  padding: 6px 14px;
  border: 1px solid #ead8f0;
  border-radius: 999px;
  background: #fbf6fd;
}

.register-page .input-wrapper {
  min-height: 54px;
  border-radius: 14px;
  background: #fbf8fc;
  border-color: #ead8f0;
}

.register-page .input-icon {
  min-width: 42px;
  margin-right: 10px;
  color: #711c77;
  font-size: 0.76rem;
  font-weight: 800;
  opacity: 1;
}

.register-page .btn-primary,
.register-page .btn-secondary {
  min-height: 50px;
  border-radius: 14px;
}

.register-page .terms-group {
  padding: 12px 14px;
  border: 1px solid #ead8f0;
  border-radius: 14px;
  background: #fbf8fc;
  margin-top: 0;
}

.register-page .password-requirements {
  display: grid;
  gap: 8px;
  border-color: #ead8f0;
  background: #fbf8fc;
}

.register-page .password-requirements ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 14px;
}

.register-page .password-requirements li {
  min-height: 24px;
}

.register-page .form-divider {
  padding: 4px 0 0;
  margin: 0;
}

.google-register-block {
  display: grid;
  gap: 12px;
  margin-top: 4px;
}

.google-divider {
  position: relative;
  text-align: center;
  color: #8b7ba8;
  font-size: 0.9rem;
}

.google-divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: #ead8f0;
}

.google-divider span {
  position: relative;
  display: inline-block;
  padding: 0 12px;
  background: #ffffff;
}

.btn-google-register {
  min-height: 50px;
  border: 2px solid #e4d3eb;
  border-radius: 14px;
  background: #ffffff;
  color: #2d2436;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 10px 24px rgba(75, 50, 91, 0.08);
  transition: all 0.25s ease;
}

.btn-google-register:hover {
  border-color: #711c77;
  transform: translateY(-1px);
}

.btn-google-register .google-icon {
  width: 24px;
  height: 24px;
  color: #4285f4;
  font-family: Arial, sans-serif;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 900px) {
  .register-page .auth-container {
    display: block;
    padding: 0;
    background: #ffffff;
  }

  .register-page .auth-branding {
    position: relative;
    top: auto;
    min-height: 210px;
    border-radius: 0 0 28px 28px;
  }

  .register-page .auth-form-wrapper {
    min-height: auto;
    padding: 18px;
  }

  .register-page .form-card {
    max-width: 620px;
    margin: -42px auto 18px;
    padding: 24px;
    border-radius: 20px;
    position: relative;
    z-index: 2;
  }
}

@media (max-width: 640px) {
  .register-page .auth-form {
    grid-template-columns: 1fr;
    gap: 13px;
  }

  .register-page .form-header {
    text-align: center;
  }

  .register-page .logo-branding {
    width: 74px;
    height: 74px;
    margin-bottom: 12px;
  }

  .register-page .brand-content h1 {
    font-size: 1.7rem;
  }

  .register-page .brand-content p {
    font-size: 0.92rem;
  }

  .register-page .form-card {
    padding: 18px;
  }

  .register-page .password-requirements ul {
    grid-template-columns: 1fr;
  }
}