/* Responsive Utilities for Reziyon PWA */
/* Advanced responsive utilities for optimal cross-device experience */

/* ===== CONTAINER QUERIES (Modern Browsers) ===== */
@supports (container-type: inline-size) {
  .responsive-container {
    container-type: inline-size;
  }
  
  @container (min-width: 300px) {
    .container-responsive {
      padding: 1rem;
    }
  }
  
  @container (min-width: 600px) {
    .container-responsive {
      padding: 2rem;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
    }
  }
}

/* ===== FLEXIBLE TYPOGRAPHY SYSTEM ===== */
:root {
  /* Fluid typography using clamp() */
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --font-size-3xl: clamp(2rem, 1.7rem + 1.5vw, 3rem);
  --font-size-4xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  --font-size-5xl: clamp(3rem, 2.5rem + 2.5vw, 5rem);
  
  /* Fluid spacing */
  --space-xs: clamp(0.25rem, 0.2rem + 0.25vw, 0.5rem);
  --space-sm: clamp(0.5rem, 0.4rem + 0.5vw, 1rem);
  --space-md: clamp(1rem, 0.8rem + 1vw, 2rem);
  --space-lg: clamp(1.5rem, 1.2rem + 1.5vw, 3rem);
  --space-xl: clamp(2rem, 1.6rem + 2vw, 4rem);
  --space-2xl: clamp(3rem, 2.4rem + 3vw, 6rem);
}

/* ===== RESPONSIVE VISIBILITY UTILITIES ===== */
/* Hide elements on specific devices */
.hide-mobile { display: block; }
.hide-tablet { display: block; }
.hide-desktop { display: block; }
.hide-tv { display: block; }

@media (max-width: 767px) {
  .hide-mobile { display: none !important; }
  .show-mobile { display: block !important; }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .hide-tablet { display: none !important; }
  .show-tablet { display: block !important; }
}

@media (min-width: 1025px) and (max-width: 1920px) {
  .hide-desktop { display: none !important; }
  .show-desktop { display: block !important; }
}

@media (min-width: 1921px) {
  .hide-tv { display: none !important; }
  .show-tv { display: block !important; }
}

/* ===== RESPONSIVE GRID UTILITIES ===== */
.grid-responsive {
  display: grid;
  gap: var(--space-md);
}

.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Auto-responsive grids */
.grid-auto-fit { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-auto-fill { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }

@media (max-width: 767px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .grid-auto-fit,
  .grid-auto-fill {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== RESPONSIVE FLEXBOX UTILITIES ===== */
.flex-responsive {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.flex-column-mobile {
  flex-direction: row;
}

@media (max-width: 767px) {
  .flex-column-mobile {
    flex-direction: column;
  }
}

/* ===== RESPONSIVE SPACING UTILITIES ===== */
.p-responsive { padding: var(--space-md); }
.m-responsive { margin: var(--space-md); }
.gap-responsive { gap: var(--space-md); }

@media (max-width: 767px) {
  .p-responsive { padding: var(--space-sm); }
  .m-responsive { margin: var(--space-sm); }
  .gap-responsive { gap: var(--space-sm); }
}

@media (min-width: 1921px) {
  .p-responsive { padding: var(--space-xl); }
  .m-responsive { margin: var(--space-xl); }
  .gap-responsive { gap: var(--space-xl); }
}

/* ===== RESPONSIVE TEXT UTILITIES ===== */
.text-responsive {
  font-size: var(--font-size-base);
  line-height: 1.6;
}

.heading-responsive {
  font-size: var(--font-size-2xl);
  line-height: 1.2;
  font-weight: 600;
}

.title-responsive {
  font-size: var(--font-size-4xl);
  line-height: 1.1;
  font-weight: 700;
}

/* ===== RESPONSIVE BUTTON UTILITIES ===== */
.btn-responsive {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-base);
  border-radius: 8px;
  transition: all 0.3s ease;
}

@media (max-width: 767px) {
  .btn-responsive {
    width: 100%;
    padding: var(--space-md);
    font-size: var(--font-size-lg);
  }
}

@media (min-width: 1921px) {
  .btn-responsive {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-size-xl);
  }
}

/* ===== RESPONSIVE IMAGE UTILITIES ===== */
.img-responsive {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
}

.img-contain {
  object-fit: contain;
}

.img-cover {
  object-fit: cover;
}

/* ===== RESPONSIVE CARD UTILITIES ===== */
.card-responsive {
  background: white;
  border-radius: 12px;
  padding: var(--space-md);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.card-responsive:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

@media (max-width: 767px) {
  .card-responsive {
    padding: var(--space-sm);
    border-radius: 8px;
  }
}

@media (min-width: 1921px) {
  .card-responsive {
    padding: var(--space-xl);
    border-radius: 16px;
  }
}

/* ===== RESPONSIVE MODAL UTILITIES ===== */
.modal-responsive {
  width: 90%;
  max-width: 500px;
  margin: 5% auto;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Enhanced modal scrolling */
.modal-body-scrollable {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 2rem;
  max-height: calc(85vh - 120px);
}

.modal-header-sticky {
  position: sticky;
  top: 0;
  background: white;
  z-index: 100;
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem 2rem 1rem;
  flex-shrink: 0;
}

.modal-footer-sticky {
  position: sticky;
  bottom: 0;
  background: white;
  border-top: 1px solid var(--border-color);
  padding: 1rem 2rem;
  flex-shrink: 0;
}

/* Registration form specific styles */
.registration-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-section {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.form-section-title {
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile modal optimizations */
@media (max-width: 767px) {
  .modal-responsive {
    width: 98%;
    margin: 1rem auto;
    max-height: calc(100vh - 2rem);
    border-radius: 8px;
  }
  
  .modal-header-sticky {
    padding: 1rem;
  }
  
  .modal-body-scrollable {
    padding: 0.5rem 1rem;
    max-height: calc(100vh - 8rem);
  }
  
  .modal-footer-sticky {
    padding: 1rem;
  }
  
  .form-section {
    padding: 0.75rem;
    margin-bottom: 0.75rem;
  }
  
  .registration-form {
    gap: 0.75rem;
  }
}

/* Landscape mobile modal */
@media (max-width: 767px) and (orientation: landscape) {
  .modal-responsive {
    width: 95%;
    max-width: 600px;
    margin: 0.5rem auto;
    max-height: calc(100vh - 1rem);
  }
  
  .modal-header-sticky {
    padding: 0.75rem 1rem 0.5rem;
  }
  
  .modal-body-scrollable {
    padding: 0.25rem 1rem;
    max-height: calc(100vh - 5rem);
  }
  
  .modal-footer-sticky {
    padding: 0.5rem 1rem;
  }
}

/* Large screens */
@media (min-width: 1921px) {
  .modal-responsive {
    max-width: 800px;
    margin: 3% auto;
  }
  
  .modal-body-scrollable {
    padding: 2rem 3rem;
  }
  
  .modal-header-sticky {
    padding: 2rem 3rem 1rem;
  }
  
  .modal-footer-sticky {
    padding: 1rem 3rem 2rem;
  }
}

/* ===== RESPONSIVE NAVIGATION UTILITIES ===== */
.nav-responsive {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
}

@media (max-width: 767px) {
  .nav-responsive {
    padding: var(--space-sm);
  }
  
  .nav-menu-responsive {
    position: fixed;
    top: 60px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 60px);
    background: white;
    flex-direction: column;
    transition: left 0.3s ease;
    z-index: 1000;
  }
  
  .nav-menu-responsive.active {
    left: 0;
  }
}

/* ===== RESPONSIVE FORM UTILITIES ===== */
.form-responsive {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.input-responsive {
  padding: var(--space-sm);
  border: 2px solid #e1e8ed;
  border-radius: 8px;
  font-size: var(--font-size-base);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.input-responsive:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.1);
}

/* Form validation styles */
.input-responsive.error {
  border-color: #dc3545;
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.field-error {
  color: #dc3545;
  font-size: 0.8rem;
  margin-top: 0.25rem;
  display: none;
}

.field-error::before {
  content: "⚠ ";
}

/* Success state */
.input-responsive.valid {
  border-color: #28a745;
  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

/* Form section styling */
.form-section {
  background: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.form-section-title {
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #e9ecef;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Checkbox and radio styling */
input[type="checkbox"],
input[type="radio"] {
  width: auto !important;
  margin-right: 0.5rem;
  transform: scale(1.2);
}

/* Loading state for buttons */
.btn-loading {
  position: relative;
  color: transparent !important;
}

.btn-loading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@media (min-width: 768px) {
  .form-row-responsive {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
}

/* ===== RESPONSIVE ANIMATION UTILITIES ===== */
@media (prefers-reduced-motion: reduce) {
  .card-responsive,
  .btn-responsive,
  .input-responsive,
  * {
    transition: none !important;
    animation: none !important;
  }
}

/* ===== RESPONSIVE ACCESSIBILITY UTILITIES ===== */
@media (prefers-contrast: high) {
  .card-responsive {
    border: 2px solid #000;
  }
  
  .btn-responsive {
    border: 2px solid currentColor;
  }
  
  .input-responsive {
    border-width: 3px;
  }
}

/* ===== RESPONSIVE PRINT UTILITIES ===== */
@media print {
  .hide-print { display: none !important; }
  .show-print { display: block !important; }
  
  .card-responsive {
    box-shadow: none;
    border: 1px solid #ccc;
  }
  
  .btn-responsive {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
  }
}

/* ===== RESPONSIVE TOUCH UTILITIES ===== */
@media (hover: none) and (pointer: coarse) {
  /* Touch device optimizations */
  .btn-responsive {
    min-height: 44px;
    min-width: 44px;
  }
  
  .card-responsive:hover {
    transform: none;
  }
  
  .card-responsive:active {
    transform: scale(0.98);
  }
}

/* ===== RESPONSIVE SAFE AREA UTILITIES (for devices with notches) ===== */
@supports (padding: max(0px)) {
  .safe-area-inset-top {
    padding-top: max(var(--space-sm), env(safe-area-inset-top));
  }
  
  .safe-area-inset-bottom {
    padding-bottom: max(var(--space-sm), env(safe-area-inset-bottom));
  }
  
  .safe-area-inset-left {
    padding-left: max(var(--space-sm), env(safe-area-inset-left));
  }
  
  .safe-area-inset-right {
    padding-right: max(var(--space-sm), env(safe-area-inset-right));
  }
}