:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --panel-soft: #fafbfc;
  --text: #14171a;
  --muted: #6a7179;
  --line: #e5e9ef;
  --dark: #111111;
  --accent: #1f6feb;
  --accent-soft: #edf4ff;
  --shadow: 0 20px 44px rgba(15, 23, 42, 0.08);
  --radius: 18px;
  --sidebar-width: 252px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f7f9fb 0%, #eef2f6 100%);
}

input,
select,
textarea,
button {
  font: inherit;
}

.app-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 28px 18px;
  background: #0f1720;
  color: #fff;
  display: grid;
  gap: 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand {
  display: grid;
  gap: 6px;
}

.brand {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 800;
}

.sidebar .brand {
  color: #fff;
}

.sidebar-subtitle,
.mobile-subtitle {
  margin: 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.92rem;
}

.mobile-subtitle {
  color: var(--muted);
}

.sidebar-nav {
  display: grid;
  gap: 10px;
  align-content: start;
}

.action-tab {
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  cursor: pointer;
  text-align: left;
}

.action-tab.active {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.08);
}

.nav-icon {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.86rem;
  font-weight: 800;
}

.app-shell {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 800;
}

.panel {
  display: none;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}

.panel.active {
  display: block;
}

.panel-head {
  margin-bottom: 18px;
}

.panel-head h1 {
  margin: 0;
  font-size: 1.45rem;
}

.panel-subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.form,
.form-grid {
  display: grid;
  gap: 16px;
}

.mode-switch {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  border-radius: 16px;
  margin-bottom: 18px;
}

.mode-switch-button {
  background: transparent;
  color: var(--muted);
  border: 0;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 800;
}

.mode-switch-button.active {
  background: #111111;
  color: #ffffff;
}

#restock-form {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.narrow-form {
  max-width: 620px;
}

.sale-line-grid {
  align-items: end;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #d8dee7;
  border-radius: 14px;
  padding: 13px 14px;
  background: #fff;
  color: var(--text);
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.12);
}

textarea {
  resize: vertical;
  min-height: 110px;
}

button {
  border: 0;
  border-radius: 14px;
  padding: 13px 18px;
  cursor: pointer;
  font-weight: 800;
}

button[type="submit"],
.button-row button:not(.ghost) {
  background: var(--dark);
  color: #fff;
}

button.ghost {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--line);
}

button.ghost.active-filter {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: rgba(31, 111, 235, 0.18);
}

.button-row,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.section-title {
  display: grid;
  gap: 4px;
}

.section-title strong {
  font-size: 1rem;
}

.section-title span {
  color: var(--muted);
  font-size: 0.9rem;
}

.section-title.compact {
  margin-bottom: 12px;
}

.status-card {
  margin: 0 0 20px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel-soft);
}

.status-card p {
  margin: 4px 0 0;
  color: var(--muted);
}

.status-card strong {
  font-size: 1rem;
}

.status-card-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.status-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.status-metrics span,
.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 0.82rem;
  font-weight: 800;
}

.pill-ok {
  background: var(--accent-soft);
  color: var(--accent);
}

.pill-alert {
  background: #161b22;
  color: #fff;
}

.pill-muted {
  background: #f1f3f5;
  color: var(--muted);
}

.product-choices {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.choice-button {
  width: 100%;
  justify-content: space-between;
  text-align: left;
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 14px;
  padding: 12px 14px;
  color: var(--text);
}

.choice-button span {
  font-weight: 800;
}

.choice-button small {
  color: var(--muted);
}

.choice-button .choice-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sale-cart-list {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.sale-cart-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.sale-cart-row p {
  margin: 4px 0 0;
  color: var(--muted);
}

.sale-cart-controls {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.sale-cart-controls span {
  min-width: 26px;
  text-align: center;
  font-weight: 800;
}

.sale-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 4px;
  font-size: 1.05rem;
}

.sale-total-row span {
  font-size: 1.25rem;
  font-weight: 800;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 18px;
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.report-card,
.chart-card {
  border: 1px solid var(--line);
  background: var(--panel-soft);
  border-radius: 16px;
  padding: 18px;
}

.report-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.8rem;
}

.report-label {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.report-card small,
.chart-header p {
  color: var(--muted);
}

.chart-card {
  margin-bottom: 18px;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.chart-header strong {
  display: block;
  font-size: 1.05rem;
}

.chart-header p {
  margin: 4px 0 0;
}

.report-list {
  display: grid;
  gap: 12px;
}

.report-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.report-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.report-row p {
  margin: 4px 0 0;
  color: var(--muted);
}

.trend-up {
  color: #0f9d58;
}

.trend-down {
  color: #d93025;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 10px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-size: 0.82rem;
  color: var(--muted);
  text-transform: uppercase;
}

.product-main {
  display: grid;
  gap: 4px;
}

.meta,
.empty-row {
  color: var(--muted);
  font-size: 0.9rem;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: #111;
  color: #fff;
  padding: 14px 16px;
  border-radius: 14px;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
  z-index: 60;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.hidden {
  display: none;
}

.sidebar-backdrop {
  display: none;
}

@media (max-width: 920px) {
  .app-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(84vw, 300px);
    transform: translateX(-100%);
    transition: transform 180ms ease;
    z-index: 50;
  }

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

  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.42);
    z-index: 40;
  }

  body.sidebar-open .sidebar-backdrop {
    display: block;
  }

  .app-shell {
    width: min(100%, calc(100% - 20px));
    padding: 16px 0 28px;
  }

  .topbar {
    margin-bottom: 14px;
  }

  .menu-toggle {
    display: inline-flex;
  }
}

@media (max-width: 860px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

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

  .status-card-grid {
    flex-direction: column;
  }

  .status-metrics {
    justify-content: flex-start;
  }

  .sale-cart-row {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .report-row,
  .chart-header {
    flex-direction: column;
  }
}