/* Facturación e-CF — POS & login (self-hosted, no CDN) */

:root {
  --bg: #F4EDE3;
  --surface: #FFFCF7;
  --surface-2: #EDE4D6;
  --border: #D6C7B4;
  --text: #1C1917;
  --muted: #78716C;
  --accent: #C2410C;
  --accent-hover: #9A3412;
  --danger: #B91C1C;
  --amber: #B45309;
  --blue: #0F766E;
  --radius: 0.75rem;
  --font: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 252, 247, 0.92);
  backdrop-filter: blur(8px);
}
.app-header-inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand-block {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
  min-width: 0;
}
.brand-lockup:hover { text-decoration: none; opacity: 0.92; }
.brand-lockup--card {
  margin: 0 0 1rem;
}
.brand-name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
}
.brand-logo {
  height: 40px;
  width: 40px;
  display: block;
  border-radius: 0.7rem;
  flex-shrink: 0;
}
.app-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
  color: var(--muted);
  border-left: 1px solid var(--border);
  padding-left: 0.85rem;
}
.app-kicker {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}
.app-user {
  text-align: right;
  font-size: 0.875rem;
  color: var(--muted);
}
.app-user strong { color: var(--text); display: block; }

.app-main {
  max-width: 80rem;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

.pos-grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 1024px) {
  .pos-grid { grid-template-columns: 2fr 1fr; }
}

.stack { display: flex; flex-direction: column; gap: 1rem; }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}
.card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #57534E;
  margin: 0 0 0.75rem;
}
.card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}
.card-header-row .card-title { margin: 0; }

/* Product grid */
.product-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}
.product-btn {
  text-align: left;
  background: #FFFCF7;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.75rem;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.product-btn:hover {
  border-color: rgba(194, 65, 12, 0.45);
  background: var(--surface-2);
}
.product-btn .name { font-weight: 500; margin: 0 0 0.25rem; }
.product-btn .name { font-weight: 600; margin: 0; font-size: 0.875rem; }
.product-btn .sku { color: var(--muted); font-size: 0.65rem; margin: 0 0 0.15rem; letter-spacing: 0.04em; }
.product-btn .price { color: var(--accent); font-size: 0.875rem; margin: 0; }
.product-btn .tax { color: var(--muted); font-size: 0.75rem; margin: 0.15rem 0 0; }
.product-btn .stock { color: var(--blue); font-size: 0.7rem; margin: 0.25rem 0 0; }
.product-btn .stock--empty { color: var(--danger); }
.product-btn--disabled,
.product-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.checkbox-row input { width: auto; }

.form-grid {
  display: grid;
  gap: 0.75rem;
}
@media (min-width: 640px) {
  .form-grid.cols-2 { grid-template-columns: 1fr 1fr; }
  .form-grid.cols-4 { grid-template-columns: 2fr 1fr auto; }
}
.input, .select {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  color: var(--text);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
}
.input:focus, .select:focus {
  outline: 2px solid rgba(194, 65, 12, 0.35);
  border-color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1rem;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.btn-sm {
  font-size: 0.75rem;
  padding: 0.35rem 0.65rem;
  background: transparent;
  color: var(--accent);
}

/* Cart */
.cart-list {
  max-height: 14rem;
  overflow-y: auto;
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.cart-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  background: #EDE4D6;
  border-radius: 0.5rem;
  padding: 0.5rem;
  font-size: 0.875rem;
}
.cart-item-body { flex: 1; min-width: 0; }
.cart-item-name {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0;
}
.cart-item-meta { color: var(--muted); font-size: 0.75rem; margin: 0.15rem 0 0; }
.cart-qty {
  width: 4rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  color: var(--text);
  padding: 0.25rem;
  font-size: 0.75rem;
}
.cart-remove {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 0.875rem;
  padding: 0.15rem;
}
.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 1.5rem 0;
  font-size: 0.875rem;
}

.totals {
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}
.totals-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.35rem;
}
.totals-row.muted span:first-child { color: var(--muted); }
.totals-row.grand {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 0.35rem;
}
.totals-row.grand span:last-child { color: var(--accent); }

.field-stack { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1rem; }

.error-msg {
  margin-top: 0.75rem;
  color: var(--danger);
  font-size: 0.75rem;
}

/* Table */
.table-wrap { overflow-x: auto; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.data-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
  padding-bottom: 0.5rem;
}
.data-table td {
  padding: 0.5rem 0;
  border-top: 1px solid var(--border);
  vertical-align: middle;
}
.data-table .mono { font-family: ui-monospace, monospace; font-size: 0.75rem; }

/* Status badges */
.badge {
  display: inline-flex;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
}
.badge-pending { background: #E7E5E4; color: #44403C; }
.badge-issued { background: #CCFBF1; color: #115E59; }
.badge-sent { background: #FFEDD5; color: #9A3412; }
.badge-accepted { background: #D1FAE5; color: #065F46; }
.badge-rejected { background: #FEE2E2; color: #991B1B; }

.status-panel { font-size: 0.875rem; }
.status-panel p { margin: 0.35rem 0; }
.status-panel .label { color: var(--muted); }
.status-row { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.polling { font-size: 0.75rem; color: var(--muted); animation: pulse 1.5s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.error-list {
  margin: 0.5rem 0 0;
  padding-left: 1rem;
  color: #B91C1C;
  font-size: 0.75rem;
}

.sidebar-sticky {
  position: sticky;
  top: 5rem;
}

/* Login page */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background:
    radial-gradient(900px 480px at 10% -10%, rgba(194, 65, 12, 0.22), transparent 58%),
    radial-gradient(700px 420px at 100% 110%, rgba(15, 118, 110, 0.18), transparent 55%),
    linear-gradient(165deg, #FFF8F0 0%, #F4EDE3 46%, #E8D7C6 100%);
}
.login-card {
  width: 100%;
  max-width: 24rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.login-card h1 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 1.5rem;
}
.login-error {
  color: var(--danger);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.home-card { max-width: 28rem; }
.home-lead {
  color: var(--muted);
  margin: 0 0 1rem;
}
.home-meta {
  color: var(--muted);
  font-size: 0.875rem;
  margin: 0 0 1.25rem;
}
.home-meta strong { color: var(--text); }
.home-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.home-links .btn {
  width: 100%;
  text-decoration: none;
}
.home-links a.btn-primary { color: #fff; }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.55rem 1rem;
  text-decoration: none;
}
.btn-ghost:hover { background: var(--surface-2); text-decoration: none; }

.app-nav {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 0.35rem;
  font-size: 0.8rem;
}
.app-nav a { color: var(--muted); }
.app-nav a:hover { color: var(--accent); text-decoration: none; }

.panel-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0 0 1.25rem;
}
.panel-tabs a {
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  font-size: 0.8rem;
  text-decoration: none;
}
.panel-tabs a:hover,
.panel-tabs a.is-active {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(194, 65, 12, 0.1);
  text-decoration: none;
}

.panel-stats {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  margin-bottom: 1rem;
}
.stat-card .stat-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
}
.stat-card .stat-value {
  margin: 0.25rem 0 0;
  font-size: 1.5rem;
  font-weight: 700;
}

.field-label {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}
.field-help {
  color: var(--muted);
  font-size: 0.75rem;
  margin: 0.35rem 0 0;
}
.form-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  grid-column: 1 / -1;
}
.inline-form { margin: 0; }
.inline-form .select { min-width: 8rem; }

.flash-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.flash {
  border-radius: 0.5rem;
  padding: 0.65rem 0.85rem;
  font-size: 0.875rem;
  border: 1px solid var(--border);
  background: var(--surface-2);
}
.flash-success { border-color: rgba(15, 118, 110, 0.45); color: #115E59; }
.flash-error { border-color: rgba(185, 28, 28, 0.45); color: #991B1B; }

.flash-key { border-color: var(--amber); }
.key-reveal {
  word-break: break-all;
  background: var(--bg);
  padding: 0.75rem;
  border-radius: 0.5rem;
}

[x-cloak] { display: none !important; }