/* =========================================================
   MARMOLERÍA BENJAMIN — Mobile-First & Responsive Styles
   Full UX optimization for phones, tablets and touch devices
   ========================================================= */

/* ── Global Touch & UX Enhancements ── */
* {
  -webkit-tap-highlight-color: transparent;
}

button, .btn, .sidebar-nav-item, .mobile-nav-item, .mobile-fab, .card {
  touch-action: manipulation;
}

button:active, .btn:active, .mobile-nav-item:active, .mobile-fab:active {
  transform: scale(0.97);
  transition: transform 0.08s ease-out;
}

/* ── Mobile Bottom Navigation Bar (App Nativa UX) ── */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(60px + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--color-stone-200);
  z-index: var(--z-bottom-nav, 250);
  box-shadow: 0 -4px 20px rgba(28, 25, 23, 0.06);
  justify-content: space-around;
  align-items: center;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  height: 100%;
  color: var(--color-stone-500);
  text-decoration: none;
  font-size: 10px;
  font-weight: var(--font-medium);
  gap: 3px;
  padding: 4px 0;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: color var(--transition-fast);
  user-select: none;
}

.mobile-nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 24px;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.mobile-nav-icon svg {
  width: 20px;
  height: 20px;
}

.mobile-nav-item.active {
  color: var(--color-stone-900);
  font-weight: var(--font-bold);
}

.mobile-nav-item.active .mobile-nav-icon {
  background: var(--color-stone-100);
  color: var(--color-stone-900);
}

/* ── Floating Action Button (FAB) on Mobile ── */
.mobile-fab {
  display: none;
  position: fixed;
  bottom: calc(72px + env(safe-area-inset-bottom, 8px));
  right: 18px;
  z-index: var(--z-fab, 240);
  background: var(--color-stone-900);
  color: var(--color-white);
  border: none;
  border-radius: 30px;
  padding: 12px 20px 12px 16px;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 24px rgba(28, 25, 23, 0.25);
  cursor: pointer;
  transition: all var(--transition-fast);
}

/* Hide navigation and FAB when any drawer, modal or document preview is active */
body.drawer-open .mobile-bottom-nav,
body.drawer-open .mobile-fab,
body.modal-open .mobile-bottom-nav,
body.modal-open .mobile-fab,
body.doc-modal-open .mobile-bottom-nav,
body.doc-modal-open .mobile-fab {
  display: none !important;
}

.mobile-fab-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  width: 24px;
  height: 24px;
}

.mobile-fab-icon svg {
  width: 16px;
  height: 16px;
}

@keyframes fabIn {
  from {
    transform: scale(0.6) translateY(20px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

/* ── Drawer Handle (Mobile Bottom-Sheet) ── */
.drawer-handle {
  display: none;
  width: 40px;
  height: 5px;
  background: var(--color-stone-300);
  border-radius: var(--radius-full);
  margin: 10px auto 4px auto;
  flex-shrink: 0;
}

/* =========================================================
   TABLET BREAKPOINT (≤ 1024px)
   ========================================================= */
@media (max-width: 1024px) {
  :root {
    --content-padding: var(--space-5);
  }

  .sidebar {
    transform: translateX(-100%);
    box-shadow: var(--shadow-xl);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-toggle {
    display: flex;
  }

  .main-content {
    margin-left: 0;
  }

  .page-header {
    padding-left: calc(var(--space-5) + 48px);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

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

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

  .form-row-3 {
    grid-template-columns: 1fr 1fr;
  }

  .drawer {
    width: 480px;
  }

  .drawer-lg,
  .drawer-xl {
    width: 580px;
  }
}

/* =========================================================
   MOBILE BREAKPOINT (≤ 768px) — Mobile First Heart
   ========================================================= */
@media (max-width: 768px) {
  :root {
    --content-padding: var(--space-3);
    --text-3xl: 1.35rem;
    --text-2xl: 1.2rem;
    --text-xl: 1.1rem;
    --header-height: 56px;
  }

  /* Prevent iOS zoom on inputs */
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px !important;
    min-height: 44px;
  }

  /* Show Bottom Navigation & FAB */
  .mobile-bottom-nav {
    display: flex;
  }

  .mobile-fab {
    display: flex;
  }

  /* Prevent horizontal scrolling & clipping on mobile */
  html, body {
    overflow-x: hidden !important;
    max-width: 100vw !important;
    width: 100% !important;
  }

  .app-container {
    overflow-x: hidden !important;
    max-width: 100vw !important;
    width: 100% !important;
  }

  .main-content {
    min-width: 0 !important;
    width: 100% !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
  }

  /* Page content needs bottom padding to prevent bottom nav collision */
  .page-content {
    min-width: 0 !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: var(--space-3);
    padding-bottom: calc(88px + env(safe-area-inset-bottom, 8px));
  }

  /* Mobile App Bar / Header */
  .page-header {
    padding: var(--space-2) var(--space-3);
    padding-left: 52px;
    min-height: 54px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
  }

  .page-title {
    font-size: 1.05rem;
    font-weight: var(--font-bold);
  }

  .sidebar-toggle {
    top: 7px;
    left: 8px;
    width: 38px;
    height: 38px;
    background: var(--color-stone-100);
    border: none;
    box-shadow: none;
  }

  /* Hide redundant header create buttons on mobile (FAB replaces them) */
  .page-header-actions .btn-primary:not(#btn-header-pdf):not(#btn-header-word) {
    display: none;
  }

  .page-header-actions {
    gap: var(--space-1);
  }

  .page-header-actions .btn {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    height: 36px;
  }

  /* Stats Grid on Mobile: Clean 2 columns */
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
  }

  .stat-card {
    padding: var(--space-3);
    border-radius: var(--radius-lg);
  }

  .stat-card-value {
    font-size: 1.2rem;
    line-height: 1.2;
    margin-bottom: 2px;
  }

  .stat-card-label {
    font-size: 11px;
    color: var(--color-stone-500);
  }

  .stat-card-icon {
    width: 32px;
    height: 32px;
  }

  .stat-card-icon svg {
    width: 16px;
    height: 16px;
  }

  .stat-card-header {
    margin-bottom: var(--space-2);
  }

  /* Forms on Mobile */
  .form-row,
  .form-row-2,
  .form-row-3 {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .form-group {
    margin-bottom: var(--space-3);
  }

  .form-label {
    font-size: 13px;
    margin-bottom: 5px;
  }

  /* ── Native Mobile Bottom-Sheet for Drawers ── */
  .drawer,
  .drawer-lg,
  .drawer-xl {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100% !important;
    max-height: 92vh;
    height: 92vh;
    border-radius: 20px 20px 0 0;
    transform: translateY(100%);
    transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.28);
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .drawer.visible {
    transform: translateY(0);
  }

  .drawer-handle {
    display: block;
  }

  .drawer-header {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-stone-200);
  }

  .drawer-title {
    font-size: 1.1rem;
    font-weight: var(--font-bold);
  }

  .drawer-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--color-stone-100);
  }

  .drawer-body {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: var(--space-4);
    padding-bottom: var(--space-8);
  }

  /* Sticky Footer in Drawers so buttons are ALWAYS visible */
  .drawer-footer {
    position: sticky;
    bottom: 0;
    background: var(--color-white);
    border-top: 1px solid var(--color-stone-200);
    padding: var(--space-3) var(--space-4) calc(var(--space-3) + env(safe-area-inset-bottom, 12px)) var(--space-4);
    box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.09);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    z-index: 100;
  }

  .drawer-footer .btn {
    flex: 1 1 45%;
    min-height: 46px;
    font-size: 14px;
    font-weight: var(--font-semibold);
    justify-content: center;
  }

  .drawer-footer .btn-full-mobile {
    flex: 1 0 100% !important;
    order: -1;
    min-height: 48px;
    font-size: 15px;
    font-weight: var(--font-bold);
  }

  /* Inline form actions box at bottom of presupuesto form */
  .presupuesto-form-actions-box {
    margin-top: var(--space-6);
    margin-bottom: var(--space-6);
    padding: var(--space-4);
    background: var(--color-stone-50);
    border: 1px solid var(--color-stone-200);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  /* ── Mobile Cards for Data Tables ── */
  .table-wrapper {
    overflow-x: visible;
    border: none;
    background: transparent;
    border-radius: 0;
  }

  .table-toolbar {
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
  }

  .table-toolbar-left {
    flex-direction: column;
    gap: var(--space-2);
    width: 100%;
  }

  .table-toolbar-right {
    display: none;
  }

  .search-input-wrapper {
    max-width: 100%;
    width: 100%;
  }

  .search-input {
    height: 42px;
    font-size: 15px;
  }

  .filter-select {
    width: 100%;
    height: 42px;
    font-size: 14px;
  }

  .data-table.mobile-cards {
    display: block;
    width: 100%;
  }

  .data-table.mobile-cards thead {
    display: none;
  }

  .data-table.mobile-cards tbody {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    width: 100%;
  }

  .data-table.mobile-cards tbody tr {
    display: block;
    background: var(--color-white);
    border: 1px solid var(--color-stone-200);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  }

  .data-table.mobile-cards tbody tr:active {
    transform: scale(0.985);
    background: var(--color-warm-50);
  }

  .data-table.mobile-cards td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid var(--color-stone-100);
    font-size: 13px;
  }

  .data-table.mobile-cards td:last-child {
    border-bottom: none;
  }

  .data-table.mobile-cards td::before {
    content: attr(data-label);
    font-size: 11px;
    font-weight: var(--font-semibold);
    color: var(--color-stone-400);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-right: var(--space-3);
    flex-shrink: 0;
  }

  .data-table.mobile-cards td:empty {
    display: none;
  }

  .data-table.mobile-cards .cell-actions {
    justify-content: flex-end;
    gap: var(--space-2);
    padding-top: var(--space-3);
    margin-top: var(--space-2);
    border-top: 1px dashed var(--color-stone-200);
  }

  .data-table.mobile-cards .cell-actions .btn {
    min-width: 40px;
    height: 38px;
    padding: 0 10px;
    border-radius: var(--radius-md);
    background: var(--color-stone-100);
    opacity: 1 !important;
  }

  .data-table.mobile-cards .cell-actions .btn:hover {
    background: var(--color-stone-200);
  }

  /* ── Presupuesto Items Table → Mobile Card Transformation ── */
  .presupuesto-items-wrapper {
    overflow: visible;
  }

  .items-table {
    display: block;
    width: 100%;
  }

  .items-table thead {
    display: none;
  }

  .items-table tbody {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .items-table tbody tr {
    display: block;
    background: var(--color-stone-50);
    border: 1px solid var(--color-stone-200);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    position: relative;
  }

  .items-table td {
    display: block;
    padding: 4px 0;
    border: none;
  }

  .items-table td:nth-child(1) { /* Descripcion */
    margin-bottom: 6px;
  }

  .items-table td:nth-child(2) { /* Material */
    margin-bottom: 6px;
  }

  .items-table td .form-input,
  .items-table td .form-select {
    width: 100%;
    min-height: 40px;
  }

  .items-table .row-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    opacity: 1 !important;
    width: 32px;
    height: 32px;
    background: var(--color-error-light);
    color: var(--color-error);
    border-radius: var(--radius-full);
  }

  /* Adicionales 2 columns on mobile */
  .presupuesto-adicionales {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
  }

  /* Actions bar on detail view */
  .presupuesto-actions-bar {
    flex-direction: column;
    gap: var(--space-2);
  }

  .presupuesto-actions-bar .btn {
    width: 100%;
    height: 44px;
    justify-content: center;
  }

  /* ── Detail Stats Row: Clean 2x2 Grid on Mobile ── */
  .detail-stats-row {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--space-2) !important;
    width: 100% !important;
    margin-bottom: var(--space-4) !important;
  }

  .detail-stat-mini {
    min-width: 0 !important;
    width: 100% !important;
    padding: var(--space-3) !important;
    box-sizing: border-box !important;
    background: var(--color-stone-50) !important;
    border-radius: var(--radius-lg) !important;
  }

  .detail-stat-mini-value {
    font-size: 1.05rem !important;
    word-break: break-all !important;
  }

  /* ── Detail Header on Mobile ── */
  .detail-header {
    display: flex !important;
    align-items: center !important;
    gap: var(--space-3) !important;
    margin-bottom: var(--space-3) !important;
  }

  .detail-avatar {
    width: 46px !important;
    height: 46px !important;
    font-size: var(--text-md) !important;
    flex-shrink: 0 !important;
  }

  .detail-header-name {
    font-size: 1.15rem !important;
    line-height: 1.25 !important;
    margin-bottom: 2px !important;
  }

  .detail-header-meta {
    gap: var(--space-2) !important;
    flex-wrap: wrap !important;
  }

  .detail-header-meta-item {
    font-size: 11px !important;
  }

  /* ── Tabs Header on Mobile (Native Horizontal Swiping) ── */
  .tabs-header {
    display: flex !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    white-space: nowrap !important;
    border-bottom: 2px solid var(--color-stone-200) !important;
    gap: var(--space-1) !important;
    padding-bottom: 2px !important;
  }

  .tabs-header::-webkit-scrollbar {
    display: none !important;
  }

  .tab-btn {
    flex-shrink: 0 !important;
    padding: var(--space-2) var(--space-3) !important;
    font-size: 13px !important;
  }

  /* ── Detail List (Stacked Clean Cards for Mobile) ── */
  .detail-list {
    display: flex !important;
    flex-direction: column !important;
    gap: var(--space-2) !important;
    width: 100% !important;
  }

  .detail-item {
    display: flex !important;
    flex-direction: column !important;
    padding-bottom: var(--space-2) !important;
    border-bottom: 1px solid var(--color-stone-100) !important;
  }

  .detail-item:last-child {
    border-bottom: none !important;
    padding-bottom: 0 !important;
  }

  .detail-item .detail-label {
    font-size: 11px !important;
    font-weight: var(--font-semibold) !important;
    color: var(--color-stone-400) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    margin-bottom: 2px !important;
  }

  .detail-item .detail-value {
    font-size: 14px !important;
    font-weight: var(--font-medium) !important;
    color: var(--color-stone-800) !important;
    word-break: break-word !important;
  }

  /* ── Document Preview Modal on Mobile (100% Native UX, Zero Horizontal Cutoff) ── */
  .doc-modal-overlay {
    padding: 0 !important;
    background: rgba(0, 0, 0, 0.75) !important;
  }

  .doc-modal-container {
    max-width: 100% !important;
    width: 100% !important;
    height: 100vh !important;
    border-radius: 0 !important;
    margin: 0 !important;
    display: flex !important;
    flex-direction: column !important;
  }

  .doc-modal-toolbar {
    border-radius: 0 !important;
    padding: 10px 12px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    background: #ffffff !important;
    border-bottom: 1px solid var(--color-stone-200) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08) !important;
    position: relative !important;
  }

  .doc-modal-toolbar-top {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
  }

  .doc-modal-toolbar-title {
    font-size: 14px !important;
    font-weight: var(--font-bold) !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
    color: var(--color-stone-900) !important;
  }

  .doc-modal-toolbar-actions {
    width: 100% !important;
    display: flex !important;
    gap: 6px !important;
  }

  .doc-modal-toolbar-actions .btn {
    flex: 1 !important;
    font-size: 12px !important;
    padding: 6px 8px !important;
    height: 38px !important;
    justify-content: center !important;
    font-weight: var(--font-semibold) !important;
  }

  .doc-sheet-wrapper {
    padding: 8px !important;
    border-radius: 0 !important;
    flex: 1 !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    background: #383838 !important;
    -webkit-overflow-scrolling: touch !important;
  }

  .doc-sheet {
    padding: 14px 12px !important;
    font-size: 8.5pt !important;
    width: 100% !important;
    max-width: 100% !important;
    min-height: auto !important;
    border-radius: 6px !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

  /* Stack official header table on mobile view */
  .doc-header-table,
  .doc-header-table tbody,
  .doc-header-table tr,
  .doc-header-table td {
    display: block !important;
    width: 100% !important;
    text-align: left !important;
  }

  .doc-header-meta {
    text-align: left !important;
    margin-top: 10px !important;
    padding-top: 8px !important;
    border-top: 1px dashed #E7E5E4 !important;
  }

  .doc-brand-title {
    font-size: 13pt !important;
  }

  .doc-info-grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  /* Smooth horizontal scroll for document items table */
  .doc-table-scroll {
    width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    margin-bottom: 14px !important;
    border: 1px solid #E7E5E4 !important;
    border-radius: 6px !important;
  }

  .doc-table {
    min-width: 520px !important;
    margin-bottom: 0 !important;
    font-size: 8pt !important;
  }

  .doc-financials {
    justify-content: stretch !important;
    width: 100% !important;
  }

  .doc-totals-box {
    width: 100% !important;
  }

  .doc-signatures-row {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
}

/* =========================================================
   SMALL MOBILE (≤ 480px)
   ========================================================= */
@media (max-width: 480px) {
  :root {
    --content-padding: 10px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .presupuesto-adicionales {
    grid-template-columns: 1fr;
  }

  .mobile-fab {
    bottom: calc(68px + env(safe-area-inset-bottom, 6px));
    right: 12px;
    padding: 10px 16px 10px 12px;
  }
}

/* =========================================================
   PRINT STYLES
   ========================================================= */
@media print {
  .mobile-bottom-nav,
  .mobile-fab,
  .sidebar,
  .sidebar-toggle,
  .page-header-actions,
  .table-toolbar,
  .table-pagination,
  .toast-container,
  .modal-overlay,
  .drawer-overlay,
  .drawer,
  #doc-preview-modal .doc-modal-toolbar {
    display: none !important;
  }

  .main-content {
    margin-left: 0;
  }

  .page-content {
    padding: 0;
    max-width: 100%;
  }

  body {
    background: white;
  }
}