:root {
  --bg: #eef4f1;
  --surface: #ffffff;
  --surface-soft: #f2f7f5;
  --surface-tint: #e6f0ec;
  --text: #101b18;
  --muted: #60716b;
  --line: #d7e2de;
  --primary: #0e6a52;
  --primary-dark: #094734;
  --primary-soft: #dff3eb;
  --accent: #d3932f;
  --accent-soft: #fff3d8;
  --danger: #b42318;
  --warning-bg: #fff4d6;
  --warning-text: #7a4d00;
  --success-bg: #daf5e6;
  --success-text: #115c37;
  --shadow: 0 20px 60px rgba(15, 31, 26, 0.1);
  --shadow-soft: 0 8px 26px rgba(15, 31, 26, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(120deg, rgba(14, 106, 82, 0.08), rgba(211, 147, 47, 0.1)),
    var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 292px 1fr;
  min-height: 100vh;
}

body:not(.authenticated) .app-shell {
  display: none;
}

body.authenticated .login-screen {
  display: none;
}

.login-screen {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 20px;
  background:
    linear-gradient(135deg, rgba(8, 54, 40, 0.94) 0%, rgba(14, 106, 82, 0.9) 56%, rgba(211, 147, 47, 0.86) 100%),
    #0e6a52;
}

.login-panel {
  display: grid;
  gap: 16px;
  width: min(420px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 14px;
  background: #ffffff;
  padding: 28px;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.28);
}

.login-panel .brand {
  color: var(--text);
  margin-bottom: 4px;
}

.login-panel .brand p {
  color: var(--muted);
}

.version-note,
.copyright-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.version-note {
  margin-bottom: -8px;
  font-weight: 700;
}

.license-note {
  margin: -4px 18px 14px;
  color: var(--muted);
  font-size: 13px;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  background:
    linear-gradient(180deg, #0a3328 0%, #10231e 68%, #17221f 100%);
  color: #ffffff;
  padding: 24px 18px;
  box-shadow: 10px 0 30px rgba(15, 31, 26, 0.16);
}

.mobile-menu-toggle,
.mobile-menu-back,
.mobile-menu-backdrop {
  display: none;
}

.mobile-menu-toggle {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 60;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 0;
  background: #0e6a52;
  box-shadow: 0 14px 34px rgba(9, 71, 52, 0.28);
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 28px;
  height: 4px;
  margin: 5px auto;
  border-radius: 2px;
  background: #ffffff;
}

.mobile-menu-back {
  width: 100%;
  min-height: 54px;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.14);
  color: #ffffff;
  text-align: left;
  padding: 0 22px;
  font-weight: 800;
  cursor: pointer;
}

.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(5, 18, 14, 0.44);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  padding: 0 6px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(145deg, #ffd16c, #d3932f);
  color: #12221d;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(211, 147, 47, 0.32);
}

.brand h1,
.brand p,
.topbar h2,
.eyebrow,
.panel h3 {
  margin: 0;
}

.brand h1 {
  font-size: 21px;
  letter-spacing: 0;
}

.brand p,
.eyebrow {
  color: #a9bbb5;
  font-size: 13px;
}

.app-version {
  display: inline-block;
  margin-top: 4px;
  color: #ffd16c;
  font-size: 12px;
  font-weight: 800;
}

.nav {
  display: grid;
  gap: 7px;
}

.nav-item {
  width: 100%;
  min-height: 43px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: #d9e5e1;
  text-align: left;
  padding: 0 13px;
  cursor: pointer;
  transition: 160ms ease;
}

.nav-item:hover,
.nav-item.active {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.nav-item.active {
  box-shadow: inset 3px 0 0 var(--accent);
}

.main {
  min-width: 0;
  padding: 26px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
  border: 1px solid rgba(215, 226, 222, 0.9);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  padding: 16px 18px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.topbar h2 {
  margin-top: 4px;
  font-size: 27px;
}

.topbar-actions {
  display: flex;
  align-items: end;
  gap: 12px;
}

.user-chip {
  display: grid;
  gap: 2px;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(180deg, #ffffff, #f8fbfa);
  padding: 6px 12px;
  box-shadow: 0 5px 15px rgba(15, 31, 26, 0.06);
}

.user-chip strong,
.user-chip span {
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-chip strong {
  font-size: 13px;
}

.user-chip span {
  color: var(--muted);
  font-size: 12px;
}

.search {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

input,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(180deg, #ffffff, #fbfdfc);
  color: var(--text);
  padding: 0 12px;
  outline: none;
  transition: 150ms ease;
}

input:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(23, 107, 85, 0.14);
}

.button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  color: var(--text);
  padding: 0 16px;
  cursor: pointer;
  white-space: nowrap;
  font-weight: 700;
  transition: 160ms ease;
}

.button:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(15, 31, 26, 0.1);
}

.button.primary {
  background: linear-gradient(135deg, var(--primary), #178464);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(14, 106, 82, 0.22);
}

.button.primary:hover {
  background: var(--primary-dark);
}

.button.danger {
  color: var(--danger);
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.metric,
.panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.metric {
  display: grid;
  gap: 8px;
  padding: 18px;
  position: relative;
  overflow: hidden;
}

.metric::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}

.metric span {
  color: var(--muted);
  font-size: 13px;
}

.metric strong {
  font-size: 25px;
  letter-spacing: 0;
}

.content-grid,
.section-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
}

.reports-expense-layout {
  margin-top: 16px;
}

.section-layout {
  grid-template-columns: 360px minmax(0, 1fr);
}

.panel {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.94);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff, #f8fbfa);
}

.panel h3 {
  font-size: 17px;
}

.form-panel {
  padding-bottom: 18px;
}

.form-panel .button {
  margin: 0 18px;
  width: calc(100% - 36px);
}

.form-grid {
  display: grid;
  gap: 14px;
  padding: 18px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 13px 14px;
  text-align: left;
  vertical-align: middle;
}

th {
  background: #edf5f2;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

td {
  font-size: 14px;
  background: rgba(255, 255, 255, 0.7);
}

tbody tr:hover td {
  background: #f8fbfa;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  background: var(--surface-tint);
  color: var(--muted);
  padding: 0 10px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.badge.warning {
  background: var(--warning-bg);
  color: var(--warning-text);
}

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

.badge.danger {
  background: #ffe4df;
  color: var(--danger);
}

.inventory-list {
  display: grid;
  gap: 10px;
  padding: 16px;
}

.sale-cart {
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--line);
  margin: 0 18px 16px;
  padding-top: 14px;
}

.sale-cart-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: #fbfdfc;
}

.sale-cart-row strong {
  overflow-wrap: anywhere;
}

.sale-cart-row span {
  color: var(--muted);
  font-size: 12px;
}

.sale-cart-total {
  display: flex;
  justify-content: space-between;
  font-weight: 800;
}

.inventory-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 130px 130px auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 6px 18px rgba(15, 31, 26, 0.05);
}

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

.product-title strong {
  overflow-wrap: anywhere;
}

.product-title span {
  color: var(--muted);
  font-size: 12px;
}

dialog {
  width: min(720px, calc(100vw - 24px));
  border: 0;
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  padding: 0;
}

dialog::backdrop {
  background: rgba(19, 34, 30, 0.55);
}

.invoice-preview {
  padding: 30px;
  background: #ffffff;
}

.invoice-preview header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 18px;
  margin-bottom: 18px;
}

.invoice-preview h2 {
  color: var(--primary-dark);
}

.invoice-preview h2,
.invoice-preview h3,
.invoice-preview p {
  margin: 0;
}

.invoice-preview .total {
  margin-top: 18px;
  text-align: right;
  font-size: 22px;
  font-weight: 800;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding: 14px;
}

.share-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding: 14px;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: 360px;
  transform: translateY(90px);
  opacity: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, #10231e, #0e6a52);
  color: #ffffff;
  padding: 14px 16px;
  box-shadow: var(--shadow);
  transition: 180ms ease;
  pointer-events: none;
}

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

.empty {
  padding: 18px;
  color: var(--muted);
}

.view.active {
  animation: view-in 180ms ease;
}

@keyframes view-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 10;
    height: auto;
    padding: 14px;
  }

  .brand {
    margin-bottom: 14px;
  }

  .nav {
    display: flex;
    overflow-x: auto;
    padding-bottom: 2px;
    gap: 8px;
  }

  .nav-item {
    flex: 0 0 auto;
    width: auto;
    min-width: max-content;
  }

  .metric-grid,
  .content-grid,
  .section-layout {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  body.menu-open {
    overflow: hidden;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .mobile-menu-toggle,
  .mobile-menu-back {
    display: block;
  }

  body.menu-open .mobile-menu-toggle {
    opacity: 0;
    pointer-events: none;
  }

  body.menu-open .mobile-menu-backdrop {
    display: block;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 50;
    width: min(86vw, 340px);
    height: 100vh;
    padding: 0;
    overflow-y: auto;
    background:
      linear-gradient(180deg, rgba(14, 106, 82, 0.98) 0%, rgba(9, 71, 52, 0.98) 58%, rgba(211, 147, 47, 0.9) 100%);
    box-shadow: 20px 0 48px rgba(7, 28, 21, 0.36);
    transform: translateX(-104%);
    transition: transform 220ms ease;
  }

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

  .sidebar .brand {
    margin: 0;
    padding: 18px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .sidebar .brand-mark {
    width: 42px;
    height: 42px;
  }

  .nav {
    display: grid;
    gap: 0;
    overflow: visible;
    padding: 0;
  }

  .nav-item {
    width: 100%;
    min-height: 64px;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0;
    background: rgba(255, 255, 255, 0.04);
    color: #ffffff;
    padding: 0 24px;
    font-size: 17px;
    font-weight: 800;
  }

  .nav-item:nth-child(even) {
    background: rgba(255, 255, 255, 0.09);
  }

  .nav-item.active {
    background: rgba(255, 209, 108, 0.2);
    box-shadow: inset 5px 0 0 #ffd16c;
  }

  .main {
    padding: 78px 14px 14px;
  }

  .topbar,
  .topbar-actions,
  .share-form {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar {
    padding: 14px;
  }

  .topbar h2 {
    font-size: 23px;
  }

  .share-form {
    display: grid;
    grid-template-columns: 1fr;
  }

  .metric-grid,
  .content-grid,
  .section-layout {
    grid-template-columns: 1fr;
  }

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

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

  .dialog-actions {
    flex-wrap: wrap;
  }
}

@media print {
  @page {
    size: A4;
    margin: 14mm;
  }

  body * {
    visibility: hidden !important;
  }

  #invoice-preview,
  #invoice-preview * {
    visibility: visible !important;
  }

  #invoice-preview {
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    padding: 0;
    background: #ffffff;
  }

  dialog {
    position: static;
    width: 100%;
    box-shadow: none;
    border-radius: 0;
    overflow: visible;
  }

  .invoice-preview header {
    border-bottom-color: #0e6a52;
  }

  .invoice-preview table {
    min-width: 0;
  }

  .share-form,
  .dialog-actions {
    display: none !important;
  }
}