/**
 * LabShop Responsive Styles
 * Mobile-first approach with touch-friendly targets
 */

/* ========== Base Responsive Setup ========== */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  overflow-x: hidden;
}

/* ========== Touch Targets (min 44px) ========== */
/* Ensure all interactive elements meet minimum touch target size */
@media (pointer: coarse) {
  .btn,
  .icon-btn,
  .nav-links a,
  .drop-btn,
  .drop-menu a,
  .side-menu a,
  .sb-link,
  .c-links a,
  .socials a,
  button,
  a,
  input[type="checkbox"],
  input[type="radio"] {
    min-height: var(--touch-target-min);
    min-width: var(--touch-target-min);
  }

  /* Adjust padding for touch */
  .btn {
    padding: var(--space-md) var(--space-lg);
  }

  .drop-menu a,
  .side-menu a {
    padding: var(--space-md) var(--space-lg);
  }
}

/* ========== Container ========== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
}

/* ========== Topbar ========== */
@media (max-width: 900px) {
  .topbar-wrap {
    padding: var(--space-sm) var(--space-md);
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .t-left .sep {
    display: none;
  }

  .t-left span {
    font-size: var(--font-size-xs);
  }
}

@media (max-width: 480px) {
  .topbar {
    display: none;
  }
}

/* ========== Navbar ========== */
@media (max-width: 900px) {
  .navbar {
    position: relative;
  }

  .nav-wrap {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .nav-links {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: var(--space-sm);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .search {
    flex: 1;
  }

  .search input {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 480px) {
  .brand {
    font-size: var(--font-size-lg);
  }

  .cart-btn {
    padding: var(--space-sm) var(--space-md);
  }

  .search {
    padding: var(--space-sm);
  }
}

/* ========== Hero Section ========== */
@media (max-width: 900px) {
  .hero {
    padding: 48px 0 56px;
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-text {
    font-size: var(--font-size-base);
  }

  .hero-actions {
    flex-wrap: wrap;
  }

  .hero-actions .btn {
    flex: 1;
    min-width: 140px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 32px 0 40px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }
}

/* ========== Features Grid ========== */
@media (max-width: 1000px) {
  .features-wrap {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
}

@media (max-width: 560px) {
  .features-wrap {
    grid-template-columns: 1fr;
  }

  .f-card {
    padding: var(--space-lg);
  }
}

/* ========== Product Grid ========== */
@media (max-width: 768px) {
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-md);
  }

  .card img {
    height: 120px;
  }
}

@media (max-width: 480px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .card {
    padding: var(--space-sm);
  }

  .card img {
    height: 100px;
  }
}

/* ========== Two Column Layout ========== */
@media (max-width: 900px) {
  .two-col {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .page-teklif .two-col {
    grid-template-columns: 1fr;
  }

  .page-teklif .card form .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .page-teklif .card form .form-row:nth-of-type(1),
  .page-teklif .card form .form-row:nth-of-type(2) {
    grid-template-columns: 1fr;
    justify-content: stretch;
  }
}

/* ========== Form Rows ========== */
@media (max-width: 700px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

/* ========== Dropdown (Mobile) ========== */
@media (max-width: 768px) {
  .drop-menu,
  .submenu {
    position: static;
    box-shadow: none;
    border: 0;
    max-height: none;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
  }

  .dropdown.open .drop-menu {
    display: block;
  }

  .submenu {
    display: none;
    padding-left: var(--space-md);
    border-left: 2px solid var(--color-border);
  }

  .drop-sub.open > .submenu {
    display: block;
  }

  .drop-menu a,
  .submenu-item {
    padding: var(--space-md);
  }
}

/* ========== Contact Block ========== */
@media (max-width: 900px) {
  .contact-wrap {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .contact-bottom {
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
  }
}

/* ========== Cart Page ========== */
@media (max-width: 768px) {
  .cart-row {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .cart-left {
    flex: 1;
    min-width: 200px;
  }

  .cart-right {
    width: 100%;
    justify-content: space-between;
  }

  .cart-img {
    width: 48px;
    height: 48px;
  }

  .empty-wrap {
    padding: var(--space-lg);
    border-radius: var(--radius-md);
  }
}

@media (max-width: 480px) {
  .cart-left {
    width: 100%;
  }

  .cart-text .title {
    font-size: var(--font-size-sm);
  }

  .qty-input {
    width: 70px;
  }

  .cart-actions {
    flex-direction: column;
  }

  .cart-actions .btn {
    width: 100%;
  }
}

/* ========== Chips / Tags (Scrollable) ========== */
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

@media (max-width: 768px) {
  .chip-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: var(--space-sm);
    -webkit-overflow-scrolling: touch;
  }

  .chip-list .chip {
    flex-shrink: 0;
  }
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-active);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  text-decoration: none;
  transition: all var(--transition-fast);
  min-height: 36px;
}

.chip:hover {
  background: var(--color-border);
}

.chip.active {
  background: var(--color-primary);
  color: #fff;
}

/* ========== Admin Sidebar ========== */
@media (max-width: 1024px) {
  .admin-wrap,
  .admin-shell {
    flex-direction: column;
  }

  .sidebar {
    position: relative;
    width: 100%;
    height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    padding: var(--space-md);
  }

  .sb-brand {
    width: 100%;
    margin-bottom: var(--space-sm);
  }

  .sb-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-sm);
    width: 100%;
  }

  .sb-link {
    padding: var(--space-sm) var(--space-md);
  }

  .content {
    margin-left: 0;
  }

  /* Hide logout in mobile sidebar, show in topbar */
  .sb-logout {
    display: none;
  }
}

@media (max-width: 720px) {
  .metrics {
    grid-template-columns: 1fr;
  }

  .quick .row {
    grid-template-columns: 1fr;
  }
}

/* ========== Mobile Menu Toggle ========== */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  padding: var(--space-sm);
  cursor: pointer;
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }
}

/* ========== Admin Table (Card View on Mobile) ========== */
@media (max-width: 640px) {
  .table-wrapper {
    border: none;
    background: transparent;
  }

  .table thead {
    display: none;
  }

  .table tbody tr {
    display: block;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    padding: var(--space-md);
  }

  .table tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
  }

  .table tbody td:last-child {
    border-bottom: none;
  }

  .table tbody td::before {
    content: attr(data-label);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
  }

  .table tbody .actions {
    justify-content: flex-end;
    width: 100%;
    margin-top: var(--space-sm);
  }

  .table tbody .actions::before {
    display: none;
  }
}

/* ========== Alerts ========== */
@media (max-width: 480px) {
  .alert {
    padding: var(--space-md);
    font-size: var(--font-size-sm);
  }
}

/* ========== Sticky Summary (Cart) ========== */
@media (max-width: 900px) {
  .cart-summary {
    position: sticky;
    bottom: 0;
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: var(--space-md);
    margin: 0 calc(-1 * var(--space-lg));
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
    z-index: var(--z-sticky);
  }

  .container .cart-summary {
    margin: 0 calc(-1 * var(--space-md));
  }
}

/* ========== Safe Area (Notch support) ========== */
@supports (padding: env(safe-area-inset-bottom)) {
  .cart-summary {
    padding-bottom: calc(var(--space-md) + env(safe-area-inset-bottom));
  }
}