/* ========================================
   RESPONSIVE STYLES - InventoryManager
   ======================================== */

/* ----- Mobile Navigation (Hamburger) ----- */
.hamburger-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--pico-color);
}

.hamburger-btn:hover {
  background: none;
  color: var(--pico-primary);
}

@media (max-width: 768px) {
  .hamburger-btn {
    display: block;
  }

  nav {
    position: relative;
  }

  nav > ul:nth-child(2) {
    display: none;
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--pico-background-color);
    padding: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    border-radius: 0 0 0.5rem 0.5rem;
  }

  nav > ul:nth-child(2).show {
    display: flex;
  }

  nav > ul:nth-child(2) li {
    margin: 0.5rem 0;
  }

  nav > ul:nth-child(2) a {
    display: block;
    padding: 0.5rem 0;
  }

  /* Hide user dropdown on mobile, show as list */
  nav > ul:nth-child(3) {
    display: none;
  }

  nav > ul:nth-child(3).show {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--pico-background-color);
    padding: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    border-radius: 0 0 0.5rem 0.5rem;
  }
}

/* ----- Table View Modes ----- */
.table-view-toggle {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

/* Ensure actions div (Add button) has bottom margin */
.actions {
  margin-bottom: 1.5rem;
}

.table-view-toggle span {
  font-size: 0.75rem;
  color: var(--pico-muted-color);
  margin-right: 0.5rem;
}

.table-view-toggle button {
  padding: 0.25rem 0.5rem;
  font-size: 1rem;
  margin: 0;
  border-radius: 0.25rem;
}

.table-view-toggle button.active {
  background: var(--pico-primary);
  color: var(--pico-primary-inverse);
}

/* Mode 1: Horizontal Scroll */
.table-container.table-scroll-mode {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-container.table-scroll-mode table {
  min-width: 600px;
}

/* Mode 2: Card Layout */
.card-view {
  display: none;
}

.table-container.table-card-mode table {
  display: none !important;
}

.table-container.table-card-mode .card-view {
  display: block;
}

.card-view .card {
  border: 1px solid var(--pico-muted-border-color);
  border-radius: 0.5rem;
  padding: 1rem;
  margin-bottom: 1rem;
  background: var(--pico-card-background-color);
}

.card-view .card-header {
  font-weight: bold;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--pico-primary);
}

.card-view .card-row {
  display: flex;
  justify-content: space-between;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--pico-muted-border-color);
}

.card-view .card-row:last-child {
  border-bottom: none;
}

.card-view .card-label {
  font-weight: 600;
  color: var(--pico-muted-color);
  font-size: 0.875rem;
}

.card-view .card-value {
  text-align: right;
  font-size: 0.875rem;
}

.card-view .card-actions {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--pico-muted-border-color);
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.card-view .card-actions a {
  font-size: 0.875rem;
}

/* Mode 3: Compact - Hidden Columns */
.table-container.table-compact-mode .hide-mobile {
  display: none !important;
}

.table-container.table-compact-mode table {
  font-size: 0.875rem;
}

.table-container.table-compact-mode th,
.table-container.table-compact-mode td {
  padding: 0.5rem 0.25rem;
}

/* ----- Form Responsiveness ----- */
@media (max-width: 576px) {
  .grid {
    grid-template-columns: 1fr !important;
    gap: 0.5rem;
  }

  footer.grid {
    flex-direction: column;
  }

  footer.grid button,
  footer.grid a[role="button"] {
    width: 100%;
    margin-bottom: 0.5rem;
  }

  form .grid {
    gap: 0.75rem;
  }
}

/* ----- Scanner Workflow Mobile ----- */
@media (max-width: 576px) {
  .scanner-workflow {
    max-width: 100% !important;
    padding: 0 !important;
    gap: 0.75rem;
  }

  .scanner__controls {
    flex-wrap: wrap;
  }

  .scanner__controls select {
    flex: 1 1 100%;
    margin-bottom: 0.5rem;
  }

  .scanner__controls button {
    flex: 1;
  }

  .scanner__preview {
    padding-top: 75%; /* Taller aspect ratio on mobile */
  }

  .action-buttons {
    gap: 0.5rem;
  }

  .action-btn {
    padding: 0.75rem;
  }

  .action-btn .icon {
    font-size: 1.5rem;
  }

  .form-panel {
    padding: 0.75rem;
  }

  .form-panel footer {
    flex-direction: column;
  }

  .form-panel footer button {
    width: 100%;
  }

  .quantity-stepper {
    flex-wrap: nowrap;
  }

  .step-btn {
    min-width: 44px; /* Touch-friendly size */
    min-height: 44px;
  }

  .manual-form {
    flex-direction: column;
  }

  .manual-form button {
    width: 100%;
  }
}

/* ----- General Mobile Adjustments ----- */
@media (max-width: 576px) {
  main.container {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .actions a[role="button"] {
    width: 100%;
    text-align: center;
  }

  /* Search forms stack on mobile */
  form.grid {
    gap: 0.75rem;
  }

  /* Pagination mobile friendly */
  .pagination {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.25rem;
  }

  .pagination li {
    margin: 0.25rem;
  }
}

/* ----- Tablet Adjustments ----- */
@media (min-width: 577px) and (max-width: 992px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }

  main.container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

/* ----- Utility Classes ----- */
.hide-mobile {
  /* Will be hidden by table-compact-mode */
}

@media (max-width: 576px) {
  .mobile-only {
    display: block;
  }

  .desktop-only {
    display: none;
  }
}

@media (min-width: 577px) {
  .mobile-only {
    display: none;
  }

  .desktop-only {
    display: block;
  }
}