/* ==================== MASTER RESPONSIVE STYLES ==================== */

/* Breakpoints */
:root {
  --breakpoint-xs: 480px;
  --breakpoint-sm: 768px;
  --breakpoint-md: 992px;
  --breakpoint-lg: 1200px;
  --breakpoint-xl: 1400px;
}

/* ==================== CONTAINER ==================== */
.container {
  width: 100%;
  padding-right: 1rem;
  padding-left: 1rem;
  margin-right: auto;
  margin-left: auto;
}

@media (min-width: 576px) { .container { max-width: 540px; } }
@media (min-width: 768px) { .container { max-width: 720px; } }
@media (min-width: 992px) { .container { max-width: 960px; } }
@media (min-width: 1200px) { .container { max-width: 1140px; } }
@media (min-width: 1400px) { .container { max-width: 1320px; } }

/* ==================== GRID SYSTEM ==================== */
.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -0.5rem;
  margin-left: -0.5rem;
}

.col {
  flex: 1 0 0%;
  padding: 0.5rem;
}

/* Column Classes */
.col-12 { flex: 0 0 100%; max-width: 100%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-4 { flex: 0 0 33.333%; max-width: 33.333%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }

@media (max-width: 992px) {
  .col-md-12 { flex: 0 0 100%; max-width: 100%; }
  .col-md-6 { flex: 0 0 50%; max-width: 50%; }
  .col-md-4 { flex: 0 0 33.333%; max-width: 33.333%; }
}

@media (max-width: 768px) {
  .col-sm-12 { flex: 0 0 100%; max-width: 100%; }
  .col-sm-6 { flex: 0 0 50%; max-width: 50%; }
}

@media (max-width: 480px) {
  .col-xs-12 { flex: 0 0 100%; max-width: 100%; }
}

/* ==================== TEXT ALIGNMENT ==================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

@media (max-width: 768px) {
  .text-sm-center { text-align: center; }
  .text-sm-right { text-align: right; }
  .text-sm-left { text-align: left; }
}

/* ==================== SPACING UTILITIES ==================== */
.m-0 { margin: 0; }
.m-1 { margin: 0.25rem; }
.m-2 { margin: 0.5rem; }
.m-3 { margin: 1rem; }
.m-4 { margin: 1.5rem; }
.m-5 { margin: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 2rem; }

/* ==================== DISPLAY UTILITIES ==================== */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }
.d-inline-flex { display: inline-flex; }

@media (max-width: 992px) {
  .d-md-none { display: none; }
  .d-md-block { display: block; }
  .d-md-flex { display: flex; }
}

@media (max-width: 768px) {
  .d-sm-none { display: none; }
  .d-sm-block { display: block; }
  .d-sm-flex { display: flex; }
}

@media (max-width: 480px) {
  .d-xs-none { display: none; }
  .d-xs-block { display: block; }
  .d-xs-flex { display: flex; }
}

/* ==================== FLEX UTILITIES ==================== */
.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.align-start { align-items: flex-start; }
.align-center { align-items: center; }
.align-end { align-items: flex-end; }
.align-stretch { align-items: stretch; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.gap-4 { gap: 1.5rem; }
.gap-5 { gap: 2rem; }

@media (max-width: 768px) {
  .flex-sm-row { flex-direction: row; }
  .flex-sm-column { flex-direction: column; }
  .justify-sm-center { justify-content: center; }
}

/* ==================== WIDTH UTILITIES ==================== */
.w-100 { width: 100%; }
.w-75 { width: 75%; }
.w-50 { width: 50%; }
.w-25 { width: 25%; }
.w-auto { width: auto; }

.h-100 { height: 100%; }
.h-auto { height: auto; }

/* ==================== IMAGE RESPONSIVE ==================== */
.img-fluid {
  max-width: 100%;
  height: auto;
}

.img-responsive {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-contain {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ==================== HIDE ON PRINT ==================== */
@media print {
  .no-print {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
}

/* ==================== TOUCH OPTIMIZATIONS ==================== */
@media (hover: none) and (pointer: coarse) {
  button, 
  .btn,
  a,
  [role="button"] {
    min-height: 44px;
    min-width: 44px;
  }
  
  input,
  select,
  textarea {
    font-size: 16px !important;
  }
}

/* ==================== REDUCED MOTION ==================== */
@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;
  }
}

/* ==================== DARK MODE SUPPORT ==================== */
@media (prefers-color-scheme: dark) {
  :root:not(.light-mode) {
    color-scheme: dark;
  }
}

/* ==================== HIGH CONTRAST ==================== */
@media (prefers-contrast: high) {
  .btn,
  .card,
  .product-card {
    border: 2px solid currentColor;
  }
}

/* ==================== SCROLL BEHAVIOR ==================== */
html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}