/* 
 * POS Dashboard - Main Stylesheet
 * 
 * This stylesheet implements the design system specifications for the POS dashboard.
 * It uses a modular approach with BEM naming convention for maintainability.
 */

/* ========== VARIABLES ========== */
:root {
  /* Color Scheme */
  --color-primary: #673de6;
  --color-primary-hover: #5025d1;
  --color-primary-light: #f2eeff;

  --color-secondary: #2f1c6a;
  --color-secondary-light: #9da1c9;

  --color-success: #00b090;
  --color-warning: #ffbf00;
  --color-error: #ff5c35;

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-gray-100: #f8f9fc;
  --color-gray-200: #e9ecef;
  --color-gray-300: #dee2e6;
  --color-gray-400: #ced4da;
  --color-gray-500: #adb5bd;
  --color-gray-600: #6c757d;
  --color-gray-700: #495057;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;
  --color-black: #000000;

  /* Typography */
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans",
    "Helvetica Neue", sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-xs: 0.75rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.5rem;
  --spacing-6: 2rem;
  --spacing-8: 3rem;
  --spacing-10: 4rem;

  /* Borders */
  --border-radius: 0.5rem;
  --border-radius-sm: 0.25rem;
  --border-radius-lg: 1rem;
  --border-width: 1px;
  --border-width-md: 2px;
  --border-width-lg: 3px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 2px 8px rgba(103, 61, 230, 0.1);
  --shadow-md: 0 4px 12px rgba(103, 61, 230, 0.15);
  --shadow-lg: 0 8px 16px rgba(103, 61, 230, 0.2);

  /* Transitions */
  --transition-base: all 150ms ease;
  --transition-slow: all 300ms ease;

  /* Layout */
  --sidebar-width: 280px;
  --sidebar-width-collapsed: 80px;
  --topbar-height: 70px;
  --content-padding: var(--spacing-5);
}

/* ========== RESET & BASE STYLES ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  height: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: 1.5;
  color: var(--color-gray-800);
  background-color: var(--color-gray-100);
  min-height: 100%;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-secondary);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  margin-bottom: var(--spacing-3);
}

h1 {
  font-size: var(--font-size-3xl);
}

h2 {
  font-size: var(--font-size-2xl);
}

h3 {
  font-size: var(--font-size-xl);
}

h4 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-4);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover {
  color: var(--color-primary-hover);
}

img {
  max-width: 100%;
  height: auto;
}

button {
  cursor: pointer;
  font-family: inherit;
}

ul,
ol {
  list-style: none;
}

/* ========== LAYOUT ========== */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-white);
  border-right: var(--border-width) solid var(--color-gray-200);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: var(--transition-base);
  overflow-y: auto;
}

.sidebar__header {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-5);
  border-bottom: var(--border-width) solid var(--color-gray-200);
}

.sidebar__logo {
  display: flex;
  align-items: center;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.sidebar__logo i {
  margin-right: var(--spacing-2);
}

.sidebar__close {
  display: none;
  background: none;
  border: none;
  color: var(--color-gray-600);
  font-size: var(--font-size-lg);
}

.sidebar__user {
  display: flex;
  align-items: center;
  padding: var(--spacing-4) var(--spacing-5);
  border-bottom: var(--border-width) solid var(--color-gray-200);
}

.sidebar__user-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  margin-right: var(--spacing-3);
}

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

.sidebar__user-info h4 {
  margin-bottom: 0;
  font-size: var(--font-size-base);
}

.sidebar__user-info p {
  margin-bottom: 0;
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.sidebar__nav {
  flex: 1;
  padding: var(--spacing-4) 0;
  overflow-y: auto;
}

.sidebar__section {
  margin-bottom: var(--spacing-4);
}

.sidebar__heading {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  color: var(--color-gray-600);
  padding: 0 var(--spacing-5);
  margin-bottom: var(--spacing-2);
}

.sidebar__menu-item {
  position: relative;
}

.sidebar__menu-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-3) var(--spacing-5);
  color: var(--color-gray-700);
  font-weight: var(--font-weight-medium);
  transition: var(--transition-base);
}

.sidebar__menu-link i {
  width: 20px;
  margin-right: var(--spacing-3);
  font-size: var(--font-size-base);
}

.sidebar__menu-link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.sidebar__menu-item.active .sidebar__menu-link {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  font-weight: var(--font-weight-semibold);
}

.sidebar__menu-item.active .sidebar__menu-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--color-primary);
}

.sidebar__footer {
  padding: var(--spacing-4) var(--spacing-5);
  border-top: var(--border-width) solid var(--color-gray-200);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  transition: var(--transition-base);
}

/* Topbar */
.topbar {
  height: var(--topbar-height);
  background-color: var(--color-white);
  border-bottom: var(--border-width) solid var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-5);
  position: sticky;
  top: 0;
  z-index: 99;
  box-shadow: var(--shadow-sm);
}

.topbar__left {
  display: flex;
  align-items: center;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-gray-700);
  font-size: var(--font-size-xl);
  margin-right: var(--spacing-4);
}

.topbar__title {
  font-size: var(--font-size-xl);
  margin-bottom: 0;
}

.topbar__right {
  display: flex;
  align-items: center;
}

.topbar__search {
  position: relative;
  margin-right: var(--spacing-4);
}

.topbar__search input {
  width: 250px;
  height: 40px;
  padding: 0 var(--spacing-4) 0 var(--spacing-8);
  border: var(--border-width) solid var(--color-gray-300);
  border-radius: var(--border-radius);
  background-color: var(--color-gray-100);
  transition: var(--transition-base);
}

.topbar__search input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(103, 61, 230, 0.1);
}

.topbar__search i {
  position: absolute;
  left: var(--spacing-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-500);
}

.topbar__actions {
  display: flex;
  align-items: center;
}

/* Role badge styling */
.topbar__role-badge {
  margin-right: 15px;
  display: flex;
  align-items: center;
}

.topbar__role-badge .badge {
  font-size: 0.8rem;
  padding: 0.35em 0.65em;
}

/* Content */
.content {
  padding: var(--content-padding);
}

/* ========== COMPONENTS ========== */

/* Avatar */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
}

.avatar--sm {
  width: 32px;
  height: 32px;
}

.avatar--lg {
  width: 48px;
  height: 48px;
}

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

/* Badge */
.badge {
  display: inline-block;
  padding: 0.25em 0.6em;
  font-size: 75%;
  font-weight: var(--font-weight-bold);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 10rem;
  color: var(--color-white);
  background-color: var(--color-gray-600);
}

.badge--primary {
  background-color: var(--color-primary);
}

.badge--success {
  background-color: var(--color-success);
}

.badge--warning {
  background-color: var(--color-warning);
  color: var(--color-gray-900);
}

.badge--danger {
  background-color: var(--color-error);
}

.badge--dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border-radius: 50%;
  position: absolute;
  top: 0;
  right: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: var(--border-width) solid transparent;
  border-radius: var(--border-radius);
  transition: var(--transition-base);
  background-color: var(--color-gray-200);
  color: var(--color-gray-800);
}

.btn:hover {
  background-color: var(--color-gray-300);
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(103, 61, 230, 0.25);
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-white);
}

.btn--success {
  background-color: var(--color-success);
  color: var(--color-white);
}

.btn--success:hover {
  background-color: #009b7d;
  color: var(--color-white);
}

.btn--warning {
  background-color: var(--color-warning);
  color: var(--color-gray-900);
}

.btn--warning:hover {
  background-color: #e6ac00;
}

.btn--danger {
  background-color: var(--color-error);
  color: var(--color-white);
}

.btn--danger:hover {
  background-color: #e64a2e;
  color: var(--color-white);
}

.btn--outline-primary {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--outline-primary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--outline-primary.active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--outline-success {
  background-color: transparent;
  border-color: var(--color-success);
  color: var(--color-success);
}

.btn--outline-success:hover {
  background-color: var(--color-success);
  color: var(--color-white);
}

.btn--outline-danger {
  background-color: transparent;
  border-color: var(--color-error);
  color: var(--color-error);
}

.btn--outline-danger:hover {
  background-color: var(--color-error);
  color: var(--color-white);
}

.btn--sm {
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-sm);
}

.btn--lg {
  padding: var(--spacing-3) var(--spacing-5);
  font-size: var(--font-size-lg);
}

.btn--block {
  display: flex;
  width: 100%;
}

.btn--icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--border-radius);
}

.btn--icon.btn--sm {
  width: 30px;
  height: 30px;
}

.btn-group {
  display: inline-flex;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.btn-group .btn {
  border-radius: 0;
  margin-right: -1px;
}

.btn-group .btn:first-child {
  border-top-left-radius: var(--border-radius);
  border-bottom-left-radius: var(--border-radius);
}

.btn-group .btn:last-child {
  border-top-right-radius: var(--border-radius);
  border-bottom-right-radius: var(--border-radius);
  margin-right: 0;
}

/* Cards */
.card {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin-bottom: var(--spacing-5);
  transition: var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__header {
  padding: var(--spacing-4);
  border-bottom: var(--border-width) solid var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card__title {
  margin-bottom: 0;
  font-size: var(--font-size-xl);
}

.card__actions {
  display: flex;
  align-items: center;
}

.card__body {
  padding: var(--spacing-4);
}

.card__footer {
  padding: var(--spacing-4);
  border-top: var(--border-width) solid var(--color-gray-200);
}

/* Dropdown */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown__toggle {
  background: none;
  border: none;
  color: var(--color-gray-700);
  font-size: var(--font-size-lg);
  position: relative;
  padding: var(--spacing-2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.dropdown__menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1000;
  display: none;
  min-width: 200px;
  padding: var(--spacing-2) 0;
  margin: var(--spacing-1) 0 0;
  font-size: var(--font-size-base);
  color: var(--color-gray-800);
  text-align: left;
  list-style: none;
  background-color: var(--color-white);
  background-clip: padding-box;
  border: var(--border-width) solid var(--color-gray-200);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

.dropdown__menu--right {
  left: auto;
  right: 0;
}

.dropdown__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-2) var(--spacing-4);
  border-bottom: var(--border-width) solid var(--color-gray-200);
}

.dropdown__header h6 {
  margin-bottom: 0;
  font-size: var(--font-size-base);
}

.dropdown__body {
  max-height: 300px;
  overflow-y: auto;
}

.dropdown__footer {
  padding: var(--spacing-2) var(--spacing-4);
  border-top: var(--border-width) solid var(--color-gray-200);
  text-align: center;
}

.dropdown__item {
  display: flex;
  align-items: center;
  padding: var(--spacing-2) var(--spacing-4);
  color: var(--color-gray-800);
  transition: var(--transition-base);
}

.dropdown__item i {
  margin-right: var(--spacing-3);
  width: 16px;
  color: var(--color-gray-600);
}

.dropdown__item:hover {
  background-color: var(--color-gray-100);
  color: var(--color-primary);
}

.dropdown__divider {
  height: 0;
  margin: var(--spacing-2) 0;
  overflow: hidden;
  border-top: var(--border-width) solid var(--color-gray-200);
}

.dropdown__link {
  color: var(--color-primary);
  font-size: var(--font-size-sm);
}

.dropdown:hover .dropdown__menu {
  display: block;
}

/* Notification */
.notification {
  display: flex;
  align-items: flex-start;
  padding: var(--spacing-3) var(--spacing-4);
  border-bottom: var(--border-width) solid var(--color-gray-200);
  transition: var(--transition-base);
}

.notification:last-child {
  border-bottom: none;
}

.notification:hover {
  background-color: var(--color-gray-100);
}

.notification__icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--spacing-3);
  color: var(--color-white);
  flex-shrink: 0;
}

.notification__icon--primary {
  background-color: var(--color-primary);
}

.notification__icon--success {
  background-color: var(--color-success);
}

.notification__icon--warning {
  background-color: var(--color-warning);
}

.notification__icon--danger {
  background-color: var(--color-error);
}

.notification__content {
  flex: 1;
}

.notification__title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-1);
  color: var(--color-gray-900);
}

.notification__text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-1);
}

.notification__time {
  font-size: var(--font-size-xs);
  color: var(--color-gray-600);
  margin-bottom: 0;
}

/* Table */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  margin-bottom: var(--spacing-4);
  color: var(--color-gray-800);
  border-collapse: collapse;
}

.table th,
.table td {
  padding: var(--spacing-3) var(--spacing-4);
  vertical-align: middle;
  border-bottom: var(--border-width) solid var(--color-gray-200);
}

.table th {
  font-weight: var(--font-weight-semibold);
  text-align: left;
  color: var(--color-gray-700);
  background-color: var(--color-gray-100);
}

.table tbody tr:hover {
  background-color: var(--color-gray-100);
}

.table-actions {
  display: flex;
  gap: var(--spacing-2);
}

/* Stats Card */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-5);
  margin-bottom: var(--spacing-5);
}

.stats-card {
  display: flex;
  align-items: center;
  padding: var(--spacing-4);
}

.stats-card__icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--spacing-4);
  color: var(--color-white);
  font-size: var(--font-size-xl);
}

.stats-card__icon--primary {
  background-color: var(--color-primary);
}

.stats-card__icon--success {
  background-color: var(--color-success);
}

.stats-card__icon--warning {
  background-color: var(--color-warning);
}

.stats-card__icon--danger {
  background-color: var(--color-error);
}

.stats-card__content {
  flex: 1;
}

.stats-card__title {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-1);
}

.stats-card__value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-1);
}

.stats-card__change {
  font-size: var(--font-size-xs);
  display: flex;
  align-items: center;
  margin-bottom: 0;
}

.stats-card__change i {
  margin-right: var(--spacing-1);
}

.stats-card__change--up {
  color: var(--color-success);
}

.stats-card__change--down {
  color: var(--color-error);
}

/* Grid System */
.grid-row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

.grid-col {
  position: relative;
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
}

.grid-col--4 {
  flex: 0 0 33.333333%;
  max-width: 33.333333%;
}

.grid-col--6 {
  flex: 0 0 50%;
  max-width: 50%;
}

.grid-col--8 {
  flex: 0 0 66.666667%;
  max-width: 66.666667%;
}

.grid-col--12 {
  flex: 0 0 100%;
  max-width: 100%;
}

/* Chart Container */
.chart-container {
  position: relative;
  margin: auto;
  height: 300px;
  width: 100%;
}

/* Product List */
.product-list {
  display: flex;
  flex-direction: column;
}

.product-item {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-3) 0;
  border-bottom: var(--border-width) solid var(--color-gray-200);
}

.product-item:last-child {
  border-bottom: none;
}

.product-item__name {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-1);
}

.product-item__category {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-bottom: 0;
}

.product-item__stats {
  text-align: right;
}

.product-item__sales {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-1);
}

.product-item__price {
  font-weight: var(--font-weight-semibold);
  margin-bottom: 0;
}

/* Inventory Status */
.inventory-status {
  display: flex;
  flex-direction: column;
}

.inventory-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-3) 0;
  border-bottom: var(--border-width) solid var(--color-gray-200);
}

.inventory-item:last-child {
  border-bottom: none;
}

.inventory-item__info {
  flex: 1;
}

.inventory-item__name {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-1);
}

.inventory-item__category {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-bottom: 0;
}

.inventory-item__stock {
  flex: 2;
  padding: 0 var(--spacing-4);
}

.progress {
  height: 8px;
  background-color: var(--color-gray-200);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: var(--spacing-2);
}

.progress__bar {
  height: 100%;
  border-radius: 4px;
}

.progress__bar--primary {
  background-color: var(--color-primary);
}

.progress__bar--success {
  background-color: var(--color-success);
}

.progress__bar--warning {
  background-color: var(--color-warning);
}

.progress__bar--danger {
  background-color: var(--color-error);
}

.inventory-item__count {
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

.inventory-item__actions {
  flex: 1;
  text-align: right;
}

/* Quick Actions */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-3);
}

.quick-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3);
  background-color: var(--color-gray-100);
  border: var(--border-width) solid var(--color-gray-200);
  border-radius: var(--border-radius);
  transition: var(--transition-base);
  cursor: pointer;
}

.quick-action:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.quick-action__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-2);
  color: var(--color-primary);
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-sm);
}

.quick-action__text {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-align: center;
}

/* Utility classes for spacing */
.ms-2 {
  margin-left: 0.5rem;
}

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

/* Extra large devices (large desktops, 1400px and up) */
@media (min-width: 1400px) {
  .content {
    padding: var(--spacing-6);
  }

  .topbar__search input {
    width: 300px;
  }
}

/* Large devices (desktops, 1200px and up) */
@media (min-width: 1200px) and (max-width: 1399px) {
  .topbar__search input {
    width: 250px;
  }
}

/* Medium-large devices (large tablets, 992px to 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .topbar__search input {
    width: 200px;
  }

  .grid-col--8 {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .grid-col--4 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}

/* Medium devices (tablets, 768px to 991px) */
@media (min-width: 768px) and (max-width: 991px) {
  .sidebar {
    width: 240px;
  }

  .main-content {
    margin-left: 240px;
  }

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

  .topbar__search input {
    width: 180px;
  }

  .grid-col--8,
  .grid-col--4 {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .quick-actions {
    grid-template-columns: repeat(3, 1fr);
  }

  .card__header {
    flex-direction: row;
    align-items: center;
  }

  .card__actions {
    margin-top: 0;
  }
}

/* Small-medium devices (small tablets, 576px to 767px) */
@media (min-width: 576px) and (max-width: 767px) {
  .sidebar {
    width: var(--sidebar-width);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

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

  .sidebar__close {
    display: block;
  }

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

  .menu-toggle {
    display: block;
  }

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

  .topbar__search {
    display: none;
  }

  .card__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .card__actions {
    margin-top: var(--spacing-2);
    width: 100%;
  }

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

  .topbar__title {
    font-size: 1.25rem;
  }
}

/* Extra small devices (phones, less than 576px) */
@media (max-width: 575px) {
  .sidebar {
    width: var(--sidebar-width);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

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

  .sidebar__close {
    display: block;
  }

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

  .menu-toggle {
    display: block;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .topbar__search {
    display: none;
  }

  .card__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .card__actions {
    margin-top: var(--spacing-2);
    width: 100%;
  }

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

  .topbar {
    padding: 0.75rem 1rem;
  }

  .topbar__title {
    font-size: 1.1rem;
  }

  .content {
    padding: 0.75rem;
  }

  .sidebar__user-info h4 {
    font-size: 0.8rem;
  }

  .sidebar__user-info p {
    font-size: 0.7rem;
  }

  .sidebar__menu-link {
    font-size: 0.8rem;
    padding: 0.6rem 1rem;
  }

  .stats-card {
    padding: var(--spacing-3);
  }

  .stats-card__icon {
    width: 48px;
    height: 48px;
    font-size: var(--font-size-lg);
  }

  .stats-card__value {
    font-size: var(--font-size-xl);
  }
}

/* Smooth transitions for all screen sizes */
.sidebar,
.main-content,
.topbar__search,
.menu-toggle {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Ensure sidebar overlay on mobile */
@media (max-width: 991px) {
  .sidebar {
    position: fixed;
    z-index: 1050;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
  }

  .sidebar.show::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
  }
}

/* Print styles */
@media print {
  .sidebar,
  .topbar {
    display: none;
  }

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

  .card {
    box-shadow: none;
    border: var(--border-width) solid var(--color-gray-300);
  }

  .card:hover {
    box-shadow: none;
    transform: none;
  }
}