:root {
  --bg: #0f1419;
  --bg-elevated: #1a222c;
  --bg-hover: #243040;
  --border: #2d3a4a;
  --text: #e8edf4;
  --text-muted: #8b9cb3;
  --accent: #2dd4bf;
  --accent-dim: #14b8a6;
  --danger: #f87171;
  --warn: #fbbf24;
  --ok: #4ade80;
  --radius: 10px;
  --sidebar-w: 240px;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* Login */
.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(45, 212, 191, 0.12), transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(59, 130, 246, 0.08), transparent 50%),
    var(--bg);
}

.login-card {
  width: min(400px, 100%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 1.75rem;
}

.brand.compact {
  margin-bottom: 1.5rem;
  padding: 0 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #3b82f6);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #0f1419;
}

.brand h1 {
  margin: 0;
  font-size: 1.25rem;
}

.brand p {
  margin: 0.15rem 0 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.field input,
.field select,
.field textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 0.65rem 0.75rem;
  font-size: 0.95rem;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid rgba(45, 212, 191, 0.35);
  border-color: var(--accent-dim);
}

.error {
  color: var(--danger);
  font-size: 0.85rem;
  margin: 0 0 0.75rem;
}

/* Layout */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  padding: 1.25rem 0.75rem;
  display: flex;
  flex-direction: column;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: background 0.15s, color 0.15s;
}

.nav a:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.nav a.active {
  background: rgba(45, 212, 191, 0.12);
  color: var(--accent);
}

.sidebar-foot {
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(26, 34, 44, 0.6);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar h2 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.content {
  padding: 1.5rem;
  flex: 1;
}

/* Components */
.btn {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  border-radius: var(--radius);
  padding: 0.5rem 0.9rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.btn:hover {
  background: var(--bg-hover);
}

.btn-primary {
  background: var(--accent-dim);
  border-color: var(--accent-dim);
  color: #042f2e;
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.btn-danger {
  border-color: rgba(248, 113, 113, 0.4);
  color: var(--danger);
}

.btn-ghost {
  background: transparent;
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
}

.btn-block {
  width: 100%;
}

.pill {
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.pill.ok {
  border-color: rgba(74, 222, 128, 0.35);
  color: var(--ok);
  background: rgba(74, 222, 128, 0.08);
}

.pill.warn {
  border-color: rgba(251, 191, 36, 0.35);
  color: var(--warn);
}

.pill.err {
  border-color: rgba(248, 113, 113, 0.35);
  color: var(--danger);
}

.grid {
  display: grid;
  gap: 1rem;
}

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

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 2px);
  padding: 1.1rem 1.25rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 600;
}

.card .value {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
}

.card .sub {
  margin-top: 0.35rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 2px);
  background: var(--bg-elevated);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th,
td {
  padding: 0.65rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-authorized {
  background: rgba(74, 222, 128, 0.15);
  color: var(--ok);
}

.badge-pending,
.badge-processing {
  background: rgba(251, 191, 36, 0.15);
  color: var(--warn);
}

.badge-failed,
.badge-rejected {
  background: rgba(248, 113, 113, 0.15);
  color: var(--danger);
}

.badge-active {
  background: rgba(45, 212, 191, 0.15);
  color: var(--accent);
}

.badge-pending_cert {
  background: rgba(139, 156, 179, 0.15);
  color: var(--text-muted);
}

.badge-homologation {
  background: rgba(139, 156, 179, 0.15);
  color: var(--text-muted);
}

.badge-production {
  background: rgba(251, 191, 36, 0.18);
  color: #fbbf24;
}

.env-card {
  max-width: 720px;
  border-left: 3px solid var(--border);
}

.env-card-homologation {
  border-left-color: var(--text-muted);
}

.env-card-production {
  border-left-color: #fbbf24;
}

.env-card-production h4 {
  color: #fbbf24;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.form-grid {
  display: grid;
  gap: 1rem;
  max-width: 520px;
}

.form-grid.wide {
  max-width: 920px;
}

.item-rows {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.item-row {
  display: grid;
  grid-template-columns: 2fr 0.7fr 0.9fr 1fr auto;
  gap: 0.5rem;
  align-items: end;
}

.item-row input,
.item-row select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 0.5rem 0.6rem;
  font-size: 0.85rem;
  width: 100%;
}

.item-row label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.item-row-header {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0 0 0.15rem;
  margin-bottom: -0.15rem;
}

.item-row-header span:last-child {
  width: 2rem;
}

.mode-toggle {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.mode-toggle label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.mode-toggle input:checked + span,
.mode-toggle label:has(input:checked) {
  border-color: var(--accent-dim);
  color: var(--accent);
}

.field-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: -0.35rem 0 0;
}

.items-subtable {
  width: 100%;
  font-size: 0.8rem;
  margin: 0.35rem 0;
}

.items-subtable th,
.items-subtable td {
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

.items-detail-row td {
  background: var(--bg);
  padding-top: 0.25rem;
  padding-bottom: 0.75rem;
}

.emit-result {
  background: var(--bg);
  padding: 0.75rem;
  border-radius: var(--radius);
  margin: 0;
}

.items-preview {
  margin-top: 0.75rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}

.items-preview h4 {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.items-totals {
  margin: 0.5rem 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.emit-summary {
  margin-bottom: 0.75rem;
}

.emit-summary h4 {
  margin: 0 0 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.emit-json-details {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.emit-json-details summary {
  cursor: pointer;
  user-select: none;
}

.key-reveal-block h4 {
  margin: 0 0 0.35rem;
  color: var(--accent);
}

.key-reveal-block .emit-json {
  margin: 0.5rem 0;
  user-select: all;
}

.impersonation-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 0 0 0.75rem;
  padding: 0.6rem 0.85rem;
  background: rgba(251, 191, 36, 0.12);
  border: 1px solid rgba(251, 191, 36, 0.35);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--text);
}

.actions {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.login-tabs {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.login-tab {
  flex: 1;
  padding: 0.45rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.82rem;
}

.login-tab.active {
  border-color: var(--accent-dim);
  color: var(--accent);
  background: rgba(99, 179, 237, 0.08);
}

.onb-steps {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.onb-step-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.onb-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.emit-items-block h4 {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.emit-json {
  margin: 0.75rem 0 0;
  font-size: 0.75rem;
  overflow: auto;
}

.code-block {
  position: relative;
}

.code-block .btn-copy {
  margin-top: 0.35rem;
}

.integration-qr {
  display: block;
  width: 200px;
  height: 200px;
  margin: 0.5rem 0;
  border-radius: 8px;
  background: #fff;
  padding: 4px;
}

.emit-qr-block {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.emit-qr-block h4 {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.buyer-fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin: 0;
}

.buyer-fieldset legend {
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 0 0.35rem;
}

.buyer-padron-search {
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.buyer-search-mode {
  margin-bottom: 0.5rem;
}

.buyer-search-row {
  align-items: flex-end;
  gap: 0.5rem;
}

.buyer-search-row .grow {
  flex: 1;
}

.buyer-padron-card {
  margin-top: 0.5rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius);
  background: rgba(74, 222, 128, 0.06);
  border: 1px solid rgba(74, 222, 128, 0.25);
}

.buyer-padron-name {
  margin: 0;
  font-weight: 600;
  font-size: 0.9rem;
}

.buyer-padron-match-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 0.5rem;
}

.buyer-padron-pick {
  justify-content: flex-start;
  text-align: left;
  white-space: normal;
  height: auto;
  line-height: 1.35;
}

.buyer-padron-card-warn {
  background: rgba(251, 191, 36, 0.08);
  border-color: rgba(251, 191, 36, 0.35);
}

.buyer-padron-warn {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  color: var(--warn, #fbbf24);
  line-height: 1.4;
}

.int-readiness-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.int-readiness {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.int-readiness small {
  display: block;
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-top: 0.15rem;
}

.int-readiness.ok span:first-child {
  color: var(--ok, #4ade80);
}

.int-readiness.warn span:first-child {
  color: var(--warn, #fbbf24);
}

.int-alert {
  border-color: rgba(251, 191, 36, 0.45);
  background: rgba(251, 191, 36, 0.06);
}

.int-bullets {
  margin: 0.5rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.branding-row td {
  padding: 0.5rem 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.02);
}

.branding-panel h4 {
  margin: 1rem 0 0.5rem;
  font-size: 0.9rem;
}

.branding-logo-preview {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.company-logo-img {
  max-width: 120px;
  max-height: 64px;
  object-fit: contain;
  background: #fff;
  border-radius: 6px;
  padding: 6px;
  border: 1px solid var(--border);
}

.integration-header {
  margin-bottom: 0;
}

.int-kit-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.int-guides {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.int-guide summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
}

.int-guide summary::-webkit-details-marker {
  display: none;
}

.int-guide-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: rgba(96, 165, 250, 0.15);
  color: #93c5fd;
  text-transform: uppercase;
}

.int-guide-steps {
  margin: 0.75rem 0;
  padding-left: 1.25rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.int-guide-steps li {
  margin-bottom: 0.35rem;
}

.int-guide-sub {
  margin: 0.75rem 0 0.35rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.int-tips {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.int-tips li {
  margin-bottom: 0.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.empty {
  color: var(--text-muted);
  padding: 2rem;
  text-align: center;
}

.toast {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  z-index: 100;
  max-width: 360px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.toast.ok {
  border-color: rgba(74, 222, 128, 0.4);
}

.toast.err {
  border-color: rgba(248, 113, 113, 0.4);
}

.confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: rgba(8, 12, 18, 0.72);
  backdrop-filter: blur(4px);
}

.confirm-card {
  width: min(420px, 100%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.5rem 1.5rem 1.25rem;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
  animation: confirm-in 0.18s ease-out;
}

@keyframes confirm-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.confirm-title {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.confirm-message {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

.btn-warning {
  border-color: rgba(251, 191, 36, 0.45);
  color: #422006;
  background: var(--warn);
  font-weight: 600;
}

.btn-warning:hover {
  background: #fcd34d;
  border-color: #fcd34d;
}

@media (max-width: 768px) {
  .app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

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

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