/**
 * ATKV Mobile App - Layout Styles
 *
 * Responsive layout styles with mobile-first approach
 */

/* ==========================================
   BASE LAYOUT
   ========================================== */

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-container-padding);
}

.page--gradient {
  background: linear-gradient(
    to right,
    var(--color-background-gradient-start),
    var(--color-background-gradient-end)
  );
}

.page--with-background {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page--with-background::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  z-index: 0;
}

.page--with-background > * {
  position: relative;
  z-index: 1;
}


/* ==========================================
   AUTHENTICATION LAYOUT
   ========================================== */

.auth-container {
  width: 100%;
  max-width: var(--form-container-max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-section-gap);
}

.auth-container--white-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-container);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.auth-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2xl);
  width: 100%;
  text-align: center;
}

.auth-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-5xl);
  width: 100%;
}

.auth-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-base);
  width: 100%;
  margin-top: var(--spacing-xl);
}


/* ==========================================
   GRID SYSTEM
   ========================================== */

.row {
  display: flex;
  flex-wrap: wrap;
  margin-left: calc(var(--grid-gap) * -0.5);
  margin-right: calc(var(--grid-gap) * -0.5);
}

.col {
  flex: 1 0 0%;
  padding-left: calc(var(--grid-gap) * 0.5);
  padding-right: calc(var(--grid-gap) * 0.5);
}

.col-6 {
  flex: 0 0 50%;
  max-width: 50%;
  padding-left: calc(var(--grid-gap) * 0.5);
  padding-right: calc(var(--grid-gap) * 0.5);
}

.col-12 {
  flex: 0 0 100%;
  max-width: 100%;
  padding-left: calc(var(--grid-gap) * 0.5);
  padding-right: calc(var(--grid-gap) * 0.5);
}


/* ==========================================
   RESPONSIVE UTILITIES
   ========================================== */

/* Mobile First - Base styles above apply to mobile (393px) */

/* Tablet and up */
@media (min-width: 768px) {
  .page {
    padding: var(--spacing-4xl);
  }

  .auth-container {
    max-width: var(--container-tablet);
  }

  .hide-md {
    display: none !important;
  }

  .show-md {
    display: block !important;
  }
}

/* Desktop and up */
@media (min-width: 1024px) {
  .page {
    padding: var(--spacing-5xl);
  }

  .auth-container {
    max-width: var(--container-desktop);
  }

  .hide-lg {
    display: none !important;
  }

  .show-lg {
    display: block !important;
  }
}

/* Large Desktop */
@media (min-width: 1440px) {
  .hide-xl {
    display: none !important;
  }

  .show-xl {
    display: block !important;
  }
}


/* ==========================================
   SPECIFIC PAGE LAYOUTS
   ========================================== */

/* Landing Screen Layout */
.landing-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-section-gap);
  padding: var(--spacing-xl);
  width: 100%;
  max-width: var(--form-container-max-width);
}

.landing-screen__logo-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2xl);
}

.landing-screen__button-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
  width: 100%;
  max-width: var(--form-container-width);
}

.landing-screen__register-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-base);
  width: 100%;
  max-width: var(--form-container-width);
  margin-top: var(--spacing-2xl);
}


/* Register/Login Screen Layout */
.register-screen,
.login-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-5xl) var(--spacing-xl);
  width: 100%;
  max-width: var(--form-container-max-width);
}

.register-form,
.login-form {
  width: 100%;
  max-width: var(--form-container-width);
}


/* Preferences Screen Layout */
.preferences-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-4xl);
  padding: var(--spacing-xl);
  width: 100%;
  max-width: var(--form-container-max-width);
}

.preferences-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-5xl);
}

.preferences-content {
  background-color: var(--color-white);
  border-radius: var(--border-radius-container);
  padding: var(--spacing-5xl) var(--spacing-xl);
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5xl);
}

.preferences-list-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5xl);
}

.preferences-list-header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.preferences-list-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-align: center;
}

.preferences-list-subtitle {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  text-align: center;
  line-height: var(--line-height-normal);
}


/* Forgot Password Screen Layout */
.forgot-password-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-6xl);
  padding: var(--spacing-xl);
  width: 100%;
  max-width: var(--form-container-max-width);
}

.forgot-password-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-3xl);
}

.forgot-password-form-container {
  background-color: var(--color-white);
  border-radius: var(--border-radius-container);
  padding: var(--spacing-5xl) var(--spacing-xl);
  width: 100%;
  box-shadow: var(--shadow-card);
}


/* Language Selection Screen Layout */
.language-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-4xl);
  padding: var(--spacing-xl);
  width: 100%;
  max-width: var(--form-container-max-width);
}

.language-content {
  background-color: var(--color-white);
  border-radius: var(--border-radius-container);
  padding: var(--spacing-5xl) var(--spacing-xl);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-5xl);
}

.language-title-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-5xl);
}

.language-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  width: 100%;
  max-width: var(--form-container-width);
}


/* ==========================================
   RESPONSIVE BREAKPOINTS
   ========================================== */

/* Small Mobile (< 393px) */
@media (max-width: 392px) {
  :root {
    --form-container-width: 100%;
    --form-container-max-width: 100%;
  }

  .page {
    padding: var(--spacing-base);
  }

  .auth-container--white-card,
  .preferences-content,
  .forgot-password-form-container,
  .language-content {
    padding: var(--spacing-lg);
  }

  .btn {
    padding: var(--spacing-base) var(--spacing-3xl);
  }
}

/* Mobile (393px - 767px) */
@media (min-width: 393px) and (max-width: 767px) {
  /* Base styles already optimized for this range */
}

/* Tablet (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .auth-container {
    gap: var(--spacing-7xl);
  }

  .landing-screen__button-group,
  .landing-screen__register-section {
    max-width: 450px;
  }

  .register-form,
  .login-form {
    max-width: 450px;
  }
}

/* Desktop (1024px - 1439px) */
@media (min-width: 1024px) and (max-width: 1439px) {
  .page--gradient {
    background-size: cover;
  }

  .auth-container {
    max-width: 500px;
  }
}

/* Large Desktop (1440px+) */
@media (min-width: 1440px) {
  .page {
    padding: var(--spacing-7xl);
  }

  .auth-container {
    max-width: var(--container-desktop);
  }

  /* Can show desktop-specific layouts here if needed */
}


/* ==========================================
   PRINT STYLES
   ========================================== */

@media print {
  .page {
    min-height: auto;
  }

  .btn,
  .form__link {
    display: none;
  }

  .auth-container--white-card,
  .card {
    box-shadow: none;
    border: 1px solid var(--color-border-default);
  }
}


/* ==========================================
   ACCESSIBILITY & MOTION
   ========================================== */

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .btn {
    border-width: var(--border-width-medium);
  }

  .input-container {
    border-width: var(--border-width-medium);
  }
}