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

:root {
  --pink: #e83e8c;
  --pink-dark: #c92f75;
  --gold: #c9a227;
  --purple: #8b5cf6;
  --blue: #3b82f6;

  --bg: #fff7fb;
  --card: #ffffff;
  --text: #2d2530;
  --muted: #887d87;
  --border: #eee3ea;

  --sidebar: #241a22;

  --success: #168a55;
  --warning: #c98500;
  --danger: #d93025;

  --shadow: 0 12px 35px rgba(80, 35, 65, 0.08);
}

body {
  min-height: 100vh;

  font-family:
    Tahoma,
    Arial,
    sans-serif;

  background: var(--bg);
  color: var(--text);
}

button,
input,
select {
  font-family: inherit;
}


/* Layout */

.admin-layout {
  min-height: 100vh;

  display: flex;
}


/* Sidebar */

.sidebar {
  width: 255px;

  min-height: 100vh;

  background: var(--sidebar);

  color: white;

  position: fixed;

  right: 0;
  top: 0;
  bottom: 0;

  z-index: 100;

  display: flex;
  flex-direction: column;
}


.sidebar-brand {
  padding: 25px 20px;

  display: flex;
  align-items: center;

  gap: 12px;

  border-bottom: 1px solid rgba(255,255,255,.08);
}


.brand-logo {
  width: 48px;
  height: 48px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 15px;

  background:
    linear-gradient(
      135deg,
      var(--pink),
      var(--pink-dark)
    );

  border: 1px solid rgba(201,162,39,.6);

  font-size: 23px;
  font-weight: bold;
}


.sidebar-brand strong {
  display: block;

  font-size: 16px;
}


.sidebar-brand span {
  display: block;

  margin-top: 5px;

  color: #bbaeb7;

  font-size: 11px;
}


.sidebar-nav {
  padding: 20px 13px;

  flex: 1;
}


.nav-item {
  display: flex;
  align-items: center;

  gap: 12px;

  padding: 13px 15px;

  margin-bottom: 6px;

  border-radius: 12px;

  color: #cbbfc8;

  text-decoration: none;

  font-size: 14px;

  transition: .2s;
}


.nav-item:hover {
  color: white;

  background: rgba(255,255,255,.06);
}


.nav-item.active {
  color: white;

  background:
    linear-gradient(
      135deg,
      rgba(232,62,140,.9),
      rgba(201,47,117,.9)
    );

  box-shadow:
    0 8px 20px rgba(232,62,140,.18);
}


.nav-item span:first-child {
  width: 25px;

  text-align: center;

  font-size: 18px;
}


.sidebar-bottom {
  padding: 15px;
}


.logout-button {
  width: 100%;

  padding: 12px;

  border: 1px solid rgba(255,255,255,.08);

  border-radius: 12px;

  background: rgba(255,255,255,.05);

  color: #e8dfe6;

  cursor: pointer;

  font-size: 13px;
}


.logout-button:hover {
  background: rgba(217,48,37,.16);

  color: #ffb4ae;
}


/* Main */

.main-content {
  width: calc(100% - 255px);

  margin-right: 255px;

  min-height: 100vh;
}


/* Topbar */

.topbar {
  min-height: 80px;

  padding: 15px 30px;

  background: var(--card);

  border-bottom: 1px solid var(--border);

  display: flex;
  align-items: center;

  gap: 20px;

  position: sticky;

  top: 0;

  z-index: 50;
}


.page-title {
  flex: 1;
}


.page-title h1 {
  font-size: 22px;

  margin-bottom: 5px;
}


.page-title span {
  color: var(--muted);

  font-size: 12px;
}


.admin-info {
  display: flex;

  align-items: center;

  gap: 10px;
}


.admin-avatar {
  width: 42px;
  height: 42px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;

  background: #fff0f7;

  font-size: 19px;
}


.admin-info strong {
  display: block;

  font-size: 13px;
}


.admin-info small {
  display: block;

  color: var(--muted);

  margin-top: 3px;

  font-size: 10px;
}


.menu-button {
  display: none;

  border: 0;

  background: transparent;

  font-size: 25px;

  cursor: pointer;
}


/* Content */

.dashboard-content {
  padding: 25px 30px 50px;
}


/* Loader */

.page-loader {
  min-height: 400px;

  display: flex;
  align-items: center;
  justify-content: center;

  flex-direction: column;

  gap: 15px;

  color: var(--muted);
}


.spinner {
  width: 40px;
  height: 40px;

  border: 4px solid #f0dce7;

  border-top-color: var(--pink);

  border-radius: 50%;

  animation: spin .8s linear infinite;
}


@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}


.page-error {
  padding: 20px;

  border-radius: 15px;

  background: #fff0ef;

  color: var(--danger);

  border: 1px solid #ffd5d2;

  text-align: center;
}


/* Stats */

.stats-grid {
  display: grid;

  grid-template-columns:
    repeat(4, 1fr);

  gap: 18px;

  margin-bottom: 18px;
}


.stat-card {
  background: var(--card);

  border: 1px solid var(--border);

  border-radius: 18px;

  padding: 20px;

  box-shadow: var(--shadow);

  display: flex;
  align-items: center;

  gap: 15px;

  overflow: hidden;

  position: relative;
}


.stat-card::after {
  content: "";

  position: absolute;

  left: -30px;
  bottom: -40px;

  width: 100px;
  height: 100px;

  border-radius: 50%;

  background: currentColor;

  opacity: .05;
}


.stat-icon {
  width: 50px;
  height: 50px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 15px;

  background: #fff2f8;

  font-size: 22px;
}


.stat-info span {
  display: block;

  color: var(--muted);

  font-size: 12px;

  margin-bottom: 8px;
}


.stat-info strong {
  display: block;

  font-size: 20px;
}


.stat-card.pink {
  color: var(--pink);
}

.stat-card.gold {
  color: var(--gold);
}

.stat-card.purple {
  color: var(--purple);
}

.stat-card.blue {
  color: var(--blue);
}


/* Secondary */

.secondary-grid {
  display: grid;

  grid-template-columns:
    repeat(4, 1fr);

  gap: 15px;

  margin-bottom: 20px;
}


.info-card {
  padding: 18px;

  background: var(--card);

  border: 1px solid var(--border);

  border-radius: 16px;

  box-shadow: var(--shadow);
}


.info-card span {
  color: var(--muted);

  font-size: 12px;
}


.info-card strong {
  display: block;

  margin-top: 8px;

  font-size: 22px;

  color: var(--pink);
}


/* Panels */

.panel {
  background: var(--card);

  border: 1px solid var(--border);

  border-radius: 18px;

  margin-bottom: 20px;

  box-shadow: var(--shadow);

  overflow: hidden;
}


.panel-header {
  padding: 20px;

  display: flex;

  align-items: center;

  justify-content: space-between;

  gap: 15px;

  border-bottom: 1px solid var(--border);
}


.panel-header h2 {
  font-size: 16px;

  margin-bottom: 5px;
}


.panel-header span {
  color: var(--muted);

  font-size: 11px;
}


.panel-header a {
  color: var(--pink);

  text-decoration: none;

  font-size: 12px;
}


.panel-header select {
  min-width: 120px;

  padding: 9px 12px;

  border-radius: 10px;

  border: 1px solid var(--border);

  background: var(--card);

  color: var(--text);

  outline: none;
}


/* Sales */

.sales-summary {
  display: grid;

  grid-template-columns:
    repeat(4, 1fr);

  gap: 1px;

  background: var(--border);
}


.sales-summary > div {
  padding: 22px;

  background: var(--card);
}


.sales-summary span {
  display: block;

  color: var(--muted);

  font-size: 11px;

  margin-bottom: 8px;
}


.sales-summary strong {
  font-size: 18px;
}


/* Tables */

.table-wrapper {
  width: 100%;

  overflow-x: auto;
}


table {
  width: 100%;

  border-collapse: collapse;

  min-width: 650px;
}


th,
td {
  padding: 15px 18px;

  text-align: right;

  border-bottom: 1px solid var(--border);

  font-size: 12px;
}


th {
  color: var(--muted);

  font-weight: normal;

  background: rgba(232,62,140,.025);
}


tbody tr:hover {
  background: rgba(232,62,140,.025);
}


tbody tr:last-child td {
  border-bottom: 0;
}


/* Badges */

.badge {
  display: inline-flex;

  padding: 5px 9px;

  border-radius: 8px;

  font-size: 10px;
}


.badge.pending {
  color: var(--warning);

  background: #fff5dc;
}


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

  background: #e9f8f0;
}


.badge.danger {
  color: var(--danger);

  background: #fff0ef;
}


.badge.info {
  color: var(--blue);

  background: #edf5ff;
}


/* Low stock */

.low-stock-list {
  padding: 18px;
}


.low-stock-item {
  display: flex;

  align-items: center;

  justify-content: space-between;

  gap: 15px;

  padding: 14px;

  margin-bottom: 10px;

  border: 1px solid var(--border);

  border-radius: 12px;
}


.low-stock-item:last-child {
  margin-bottom: 0;
}


.low-stock-name {
  font-weight: bold;

  font-size: 13px;
}


.low-stock-category {
  color: var(--muted);

  font-size: 10px;

  margin-top: 5px;
}


.stock-danger {
  color: var(--danger);

  font-weight: bold;

  font-size: 13px;
}


.empty-state {
  padding: 25px;

  text-align: center;

  color: var(--muted);

  font-size: 13px;
}


/* Toast */

.toast {
  position: fixed;

  left: 25px;
  bottom: 25px;

  min-width: 240px;

  max-width: 350px;

  padding: 14px 18px;

  border-radius: 12px;

  color: white;

  background: #29212a;

  box-shadow: 0 10px 30px rgba(0,0,0,.18);

  transform: translateY(120px);

  opacity: 0;

  pointer-events: none;

  transition: .3s;

  z-index: 999;
}


.toast.show {
  transform: translateY(0);

  opacity: 1;
}


/* Mobile */

@media (max-width: 1100px) {

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

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

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


@media (max-width: 800px) {

  .sidebar {
    transform: translateX(100%);

    transition: .3s;
  }

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

  .main-content {
    width: 100%;

    margin-right: 0;
  }

  .menu-button {
    display: block;
  }

  .topbar {
    padding: 14px 18px;
  }

  .dashboard-content {
    padding: 18px 15px 40px;
  }

  .admin-info {
    display: none;
  }
}


@media (max-width: 560px) {

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

  .sales-summary {
    grid-template-columns: 1fr 1fr;
  }

  .panel-header {
    align-items: flex-start;

    flex-direction: column;
  }

  .panel-header select {
    width: 100%;
  }

  .sales-summary > div {
    padding: 16px;
  }

  .sales-summary strong {
    font-size: 15px;
  }

  .stat-card {
    padding: 17px;
  }
}


/* Dark mode */

@media (prefers-color-scheme: dark) {

  :root {
    --bg: #171217;
    --card: #211b21;
    --text: #f7eef5;
    --muted: #b5a8b3;
    --border: #382f37;
    --sidebar: #120e12;
  }

  .admin-avatar {
    background: #30232d;
  }

  .stat-icon {
    background: #30232d;
  }

  th {
    background: rgba(255,255,255,.02);
  }

  tbody tr:hover {
    background: rgba(255,255,255,.025);
  }

  .panel-header select {
    background: var(--card);
    color: var(--text);
  }
}