:root {
  --verde-oscuro: #05686e;
  --verde-claro: #0a8d95;
  --naranja: #f39c12;
  --bg: #f2f2f2;
  --card: #ffffff;
  --border: #d7e4e4;
  --text: #1e2a2b;
  --muted: #5b6b6d;
  --sidebar-text: #f7ffff;
  --primary: var(--verde-oscuro);
  --primary-soft: #e6f2f3;
  --danger: #bf2a2a;
  --success-bg: #e9f8ee;
  --success-fg: #0f6d3c;
  --error-bg: #fdeaea;
  --error-fg: #8a2020;
  --shadow: 0 10px 30px rgba(4, 62, 67, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 250px 1fr;
}

.sidebar {
  background: linear-gradient(145deg, var(--verde-oscuro), var(--verde-claro));
  color: var(--sidebar-text);
  padding: 20px;
}

.sidebar h1 {
  font-size: 1.2rem;
  margin: 0 0 6px;
}

.sidebar .muted {
  color: #d8f6f8;
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.sidebar nav {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.sidebar nav a {
  color: var(--sidebar-text);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
}

.sidebar nav a:hover {
  background: rgba(255, 255, 255, 0.2);
}

.logout-form button {
  width: 100%;
  background: #084c50;
}

.content {
  padding: 20px;
  display: grid;
  gap: 16px;
  align-content: start;
}

.content-login {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
}

h2,
h3 {
  margin-top: 0;
}

.panel-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.metric .value {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 4px 0;
}

.form-grid {
  display: grid;
  gap: 12px;
}

.row {
  display: grid;
  gap: 12px;
}

.row.cols-2 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.row.cols-4 {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
}

input,
select,
button,
textarea {
  border: 1px solid #bdd0d1;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(10, 141, 149, 0.2);
  border-color: var(--verde-claro);
}

button {
  border: 0;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  filter: brightness(0.96);
}

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

.btn-secondary {
  background: #e8eff0;
  color: #1f2d2f;
}

.btn-link-danger {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--danger);
  font-weight: 600;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

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

tfoot th {
  border-top: 1px solid var(--border);
}

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

.inline-form {
  display: flex;
  gap: 6px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.inline-form input {
  min-width: 180px;
}

.row-alert {
  background: #fff4e5;
}

.alert {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.92rem;
}

.alert-success {
  background: var(--success-bg);
  color: var(--success-fg);
}

.alert-error {
  background: var(--error-bg);
  color: var(--error-fg);
}

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

.login-card {
  width: min(440px, 92vw);
}

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

.pos-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 12px;
  flex-wrap: wrap;
}

.pos-search-wrap {
  width: min(560px, 100%);
}

.pos-search-wrap input {
  width: 100%;
}

.pos-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
  align-items: start;
}

.pos-catalog {
  min-width: 0;
}

.pos-products-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.pos-product-card {
  display: grid;
  grid-template-rows: 160px 1fr;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
}

.pos-product-thumb {
  background: linear-gradient(135deg, #edf6f7, #d9edf0);
  display: grid;
  place-items: center;
}

.pos-product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pos-thumb-fallback {
  color: #42666b;
  font-weight: 600;
  font-size: 0.9rem;
}

.pos-product-body {
  padding: 10px;
  display: grid;
  gap: 8px;
}

.pos-product-sku {
  margin: 0;
  color: #4f6568;
  font-size: 0.78rem;
}

.pos-product-body h3 {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.35;
}

.pos-product-desc {
  margin: 0;
  font-size: 0.84rem;
  min-height: 38px;
}

.pos-product-meta {
  display: grid;
  gap: 4px;
  font-size: 0.84rem;
}

.pos-product-meta strong {
  font-size: 1rem;
  color: var(--verde-oscuro);
}

.pos-product-actions {
  display: grid;
}

.btn-product-main {
  background: var(--verde-oscuro);
}

.pos-variant-list {
  display: grid;
  gap: 6px;
}

.btn-product-variant {
  background: #eef6f7;
  color: #1f3c3f;
  border: 1px solid #c8dcde;
  font-size: 0.82rem;
  padding: 8px 9px;
}

.btn-product-variant:hover {
  background: #dceef0;
}

.pos-cart-panel {
  position: sticky;
  top: 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  background: #fff;
  display: grid;
  gap: 10px;
}

.pos-cart-items {
  display: grid;
  gap: 10px;
  max-height: 480px;
  overflow: auto;
}

.pos-cart-item {
  border: 1px solid #dde8e9;
  border-radius: 12px;
  padding: 8px;
  display: grid;
  grid-template-columns: 58px 1fr auto;
  gap: 8px;
  align-items: start;
}

.pos-mini-thumb {
  width: 58px;
  height: 58px;
  border-radius: 8px;
  overflow: hidden;
  background: #edf5f5;
}

.pos-mini-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pos-mini-thumb-empty {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: #6b8083;
  font-size: 0.72rem;
}

.pos-cart-item-main {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.pos-cart-item-main strong {
  font-size: 0.9rem;
}

.pos-cart-item-main p {
  margin: 0;
  font-size: 0.8rem;
}

.pos-line-money {
  color: var(--verde-oscuro);
  font-weight: 700;
}

.pos-chip {
  display: inline-block;
  width: fit-content;
  font-size: 0.72rem;
  background: #f3f5d8;
  color: #5f5502;
  padding: 2px 8px;
  border-radius: 999px;
}

.pos-qty-controls {
  display: grid;
  justify-items: center;
  gap: 5px;
}

.pos-qty-controls button {
  min-width: 30px;
  padding: 4px 6px;
  border-radius: 8px;
}

.pos-qty-controls span {
  font-size: 0.84rem;
}

.pos-cart-summary {
  border-top: 1px solid var(--border);
  padding-top: 8px;
  display: grid;
  gap: 6px;
}

.pos-cart-summary p {
  margin: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.pos-total-line strong {
  color: var(--verde-oscuro);
  font-size: 1.05rem;
}

.btn-checkout {
  background: linear-gradient(135deg, var(--verde-oscuro), var(--verde-claro));
}

.pos-modal {
  position: fixed;
  inset: 0;
  background: rgba(14, 26, 27, 0.55);
  display: grid;
  place-items: center;
  z-index: 200;
  padding: 14px;
}

.pos-modal-card {
  width: min(980px, 95vw);
  max-height: 92vh;
  overflow: auto;
  background: #fff;
  border-radius: 16px;
  padding: 16px;
  border: 1px solid #d1e3e5;
}

.pos-modal-header,
.pos-modal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.pos-checkout-items {
  display: grid;
  gap: 10px;
  margin: 12px 0;
}

.pos-checkout-item {
  border: 1px solid #d7e5e6;
  border-radius: 12px;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.pos-checkout-item-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.pos-checkout-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pos-checkout-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 1200px) {
  .pos-workspace {
    grid-template-columns: 1fr;
  }

  .pos-cart-panel {
    position: static;
  }
}

@media (max-width: 960px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 10;
  }

  .sidebar nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pos-checkout-grid {
    grid-template-columns: 1fr;
  }
}