/* System Design System & Variables */
:root {
  --font-sans: 'Inter', sans-serif;
  --font-mono: 'Roboto Mono', monospace;

  /* Theme: Dark (Default) */
  --bg-app: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.7);
  --bg-input: #0f172a;
  --border-color: rgba(255, 255, 255, 0.08);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --primary: #38bdf8;
  --primary-hover: #0ea5e9;
  --secondary: #6366f1;
  --secondary-hover: #4f46e5;
  --success: #10b981;
  --success-hover: #059669;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --warning: #f59e0b;
  
  --card-blur: blur(16px);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
body.light-theme {
  --bg-app: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-input: #ffffff;
  --border-color: rgba(15, 23, 42, 0.08);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --secondary: #4f46e5;
  --secondary-hover: #3730a3;
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.05);
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}

/* App Container Layout */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-logo-svg {
  width: 48px;
  height: 48px;
  background: #ffffff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
  padding: 5px;
}

.logo-area h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 1px;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-area p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-header-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}

.btn-header-link:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.15);
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}

.btn-back:hover {
  transform: translateX(-3px);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.15);
}

/* Theme Toggle Button */
.btn-icon {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 1.1rem;
}

.btn-icon:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
}

/* Main Layout */
.main-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  flex: 1;
}

/* Card Styling */
.card {
  background-color: var(--bg-card);
  backdrop-filter: var(--card-blur);
  -webkit-backdrop-filter: var(--card-blur);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* -------------------------------------------------------------
   SUMMARY WIDGETS SECTION
   ------------------------------------------------------------- */
.summary-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.summary-card {
  flex-direction: row;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.summary-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.summary-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.25);
  flex-shrink: 0;
}

.summary-card-icon.danger {
  background: linear-gradient(135deg, #ef4444, #b91c1c);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

.summary-card-icon.success {
  background: linear-gradient(135deg, #10b981, #047857);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.summary-card-icon.warning {
  background: linear-gradient(135deg, #f59e0b, #b45309);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
}

.summary-card-data {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.summary-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.summary-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-sans);
}

.text-danger {
  color: var(--danger) !important;
}

.text-success {
  color: var(--success) !important;
}

.text-warning {
  color: var(--warning) !important;
}

/* -------------------------------------------------------------
   FILTERS PANEL
   ------------------------------------------------------------- */
.filters-panel {
  padding: 1.5rem 2rem;
  position: relative;
  z-index: 10;
}

.filters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  align-items: flex-end;
}

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

.filter-group label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-with-icon {
  position: relative;
  width: 100%;
}

.input-with-icon i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
}

.input-with-icon input[type="text"] {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition);
}

.input-with-icon input[type="text"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.filter-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.2em;
  padding-right: 2.5rem;
}

.filter-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.checkbox-filter {
  height: 43px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  accent-color: var(--primary);
  cursor: pointer;
}

.checkbox-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  text-transform: none;
}

.checkbox-group input[type="checkbox"]:checked + label {
  color: var(--text-primary);
}

/* -------------------------------------------------------------
   TABLE PANEL
   ------------------------------------------------------------- */
.table-panel {
  padding: 1.5rem;
  overflow: hidden;
}

.table-header-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding: 0 0.25rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.table-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: none;
  color: #ffffff !important;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(56, 189, 248, 0.35);
  background: linear-gradient(135deg, var(--primary-hover), var(--secondary-hover));
}

.product-category-text {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: rgba(255, 255, 255, 0.05);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  display: inline-block;
  white-space: nowrap;
}

body.light-theme .product-category-text {
  background-color: rgba(15, 23, 42, 0.05);
}

.stock-cell-value {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.15rem;
}

.stock-cell-value .phys-val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
}

.stock-cell-value .virt-val {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.total-column {
  background-color: rgba(15, 23, 42, 0.2);
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
}

body.light-theme .total-column {
  background-color: rgba(15, 23, 42, 0.03);
}

.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: 12px;
}

.stocks-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.stocks-table th {
  background-color: rgba(15, 23, 42, 0.35);
  font-weight: 700;
  padding: 1.25rem 1rem;
  border-bottom: 2px solid var(--border-color);
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.75px;
}

.stocks-table td {
  padding: 1.1rem 1rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.stocks-table tbody tr.product-row {
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.stocks-table tbody tr.product-row:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.stocks-table tbody tr.product-row.expanded {
  background-color: rgba(56, 189, 248, 0.03);
}

.text-right {
  text-align: right !important;
}

.product-code {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.85rem;
  background-color: rgba(15, 23, 42, 0.4);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.product-name {
  font-weight: 600;
  color: var(--text-primary);
}

.stock-number {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
}

/* Expanding chevron button */
.btn-expand {
  background: none;
  border: none;
  color: var(--text-secondary);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.product-row:hover .btn-expand {
  color: var(--primary);
  background-color: rgba(56, 189, 248, 0.08);
}

.btn-expand i {
  transition: transform 0.3s ease;
}

.product-row.expanded .btn-expand i {
  transform: rotate(180deg);
  color: var(--primary);
}

/* Loading & Empty states */
.table-loading, .table-empty {
  text-align: center;
  padding: 4rem 2rem !important;
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 500;
}

.table-loading i {
  color: var(--primary);
  margin-right: 0.5rem;
}

/* -------------------------------------------------------------
   DETAIL SUB-ROW (Distribuição de Depósitos)
   ------------------------------------------------------------- */
.detail-row {
  display: none; /* Controlado via JS */
  background-color: rgba(15, 23, 42, 0.2);
}

.detail-row.show {
  display: table-row;
}

.detail-container {
  padding: 0 !important;
  border-bottom: 1px solid var(--border-color);
}

.detail-content-wrapper {
  padding: 1.25rem 1.5rem 1.75rem 1.5rem;
  animation: slideDown 0.3s ease forwards;
  overflow: hidden;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.detail-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.detail-title i {
  font-size: 0.95rem;
}

.sub-table {
  width: 100%;
  border-collapse: collapse;
  background-color: rgba(30, 41, 59, 0.4);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.sub-table th {
  background-color: rgba(15, 23, 42, 0.25);
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  text-transform: none;
  font-size: 0.8rem;
  letter-spacing: 0;
}

.sub-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.9rem;
}

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

.warehouse-desc {
  font-weight: 500;
  color: var(--text-primary);
}

/* Footer Styling */
.app-footer {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Animations */
.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* -------------------------------------------------------------
   CUSTOM MULTISELECT COMPONENT
   ------------------------------------------------------------- */
.custom-multiselect {
  position: relative;
  width: 100%;
}

.custom-multiselect.open {
  position: relative;
  z-index: 20;
}

.multiselect-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.multiselect-select::after {
  content: "";
  display: inline-block;
  width: 0.8em;
  height: 0.8em;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
  transition: transform 0.2s ease;
}

.custom-multiselect.open .multiselect-select::after {
  transform: rotate(180deg);
}

.multiselect-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 0.5rem;
  background-color: var(--bg-card);
  backdrop-filter: var(--card-blur);
  -webkit-backdrop-filter: var(--card-blur);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  display: none;
  flex-direction: column;
  max-height: 350px;
  overflow: hidden;
}

.custom-multiselect.open .multiselect-dropdown {
  display: flex;
}

.multiselect-search {
  padding: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  gap: 0.5rem;
}

.multiselect-search input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  transition: var(--transition);
}

.multiselect-search input:focus {
  outline: none;
  border-color: var(--primary);
}

.multiselect-actions {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(15, 23, 42, 0.25);
}

.btn-multiselect-action {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-multiselect-action:hover {
  background-color: rgba(56, 189, 248, 0.1);
  color: var(--primary-hover);
}

.multiselect-options {
  overflow-y: auto;
  max-height: 200px;
  padding: 0.5rem 0;
}

/* Custom scrollbar for multi-select dropdown */
.multiselect-options::-webkit-scrollbar {
  width: 6px;
}

.multiselect-options::-webkit-scrollbar-track {
  background: transparent;
}

.multiselect-options::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.multiselect-options::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

.multiselect-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: var(--transition);
}

.multiselect-option:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.multiselect-option input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
  flex-shrink: 0;
}

.multiselect-option label {
  cursor: pointer;
  flex-grow: 1;
  text-transform: none !important;
  font-weight: 500 !important;
  font-size: 0.85rem !important;
  color: var(--text-primary) !important;
  letter-spacing: 0 !important;
  margin: 0 !important;
  display: block;
}

.multiselect-selected-text {
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  font-weight: 500;
  font-size: 0.9rem;
}