:root {
  --bg: #0f1420;
  --panel: #161c2c;
  --panel-2: #1c2338;
  --border: #2a3350;
  --text: #e6ebf5;
  --muted: #8892b2;
  --accent: #4f8cff;
  --accent-2: #63e6b3;
  --danger: #ff6b6b;
  --warn: #f5b45a;
  --ok: #63e6b3;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(180deg, #0c1120 0%, #0f1420 100%);
  color: var(--text);
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 20, 32, 0.92);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(6px);
}
.brand { font-weight: 700; letter-spacing: 0.5px; }
.brand .mark { color: var(--accent); }
.brand .mark-dim { color: var(--text); }
.topnav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.logout-btn { margin-left: auto; font-size: 13px; padding: 6px 12px; }
.topnav a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 14px;
  transition: background 0.15s, color 0.15s;
}
.topnav a:hover { color: var(--text); background: var(--panel-2); }
.topnav a.active { color: var(--text); background: var(--panel-2); }

.container { max-width: 1200px; margin: 24px auto; padding: 0 24px 60px; }
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.panel-head { margin-bottom: 20px; }
.panel-head h1 {
  font-size: 22px;
  margin: 0 0 6px;
  font-weight: 600;
}
.muted { color: var(--muted); font-size: 14px; margin: 0; }
.panel-head p { margin: 4px 0 0; }

.upload-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.dropzone {
  position: relative;
  display: block;
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
  background: var(--panel-2);
}
.file-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}
.dropzone:hover, .dropzone.drag {
  border-color: var(--accent);
  background: rgba(79, 140, 255, 0.06);
}
.dz-inner { display: flex; flex-direction: column; gap: 6px; align-items: center; }
.dz-inner strong { font-size: 15px; }
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
  border: 1px solid var(--border);
}

.row {
  display: flex;
  gap: 16px;
  align-items: end;
  flex-wrap: wrap;
}
.row label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--muted);
}
select, input[type="text"], input[type="date"] {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 14px;
  min-width: 180px;
  outline: none;
}
select:focus, input:focus { border-color: var(--accent); }

.btn-primary, .btn-secondary, .btn-ghost {
  padding: 9px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px;
  cursor: pointer;
  font-weight: 500;
  transition: filter 0.12s, background 0.12s, border-color 0.12s;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-primary:disabled { opacity: 0.6; cursor: default; }
.btn-secondary { background: var(--accent-2); color: #0b1220; }
.btn-secondary:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--panel-2); }

.status {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
}
.status.ok { color: var(--ok); border-color: rgba(99, 230, 179, 0.4); }
.status.err { color: var(--danger); border-color: rgba(255, 107, 107, 0.4); }
.status.progress { color: var(--warn); border-color: rgba(245, 180, 90, 0.4); }

.last-batch {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.last-batch h2 { font-size: 15px; margin: 0 0 12px; font-weight: 600; }
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.stats > div {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
}
.stats > div span {
  display: block;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 2px;
}
.stats > div small { color: var(--muted); font-size: 12px; }
.stats .ok { border-color: rgba(99, 230, 179, 0.35); }
.stats .ok span { color: var(--ok); }
.stats .err { border-color: rgba(255, 107, 107, 0.35); }
.stats .err span { color: var(--danger); }
.stats .skip { border-color: rgba(245, 180, 90, 0.35); }
.stats .skip span { color: var(--warn); }

.batch-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
#errorsBox summary { cursor: pointer; color: var(--muted); font-size: 14px; }
#errorsBox ul {
  margin: 10px 0 0;
  padding: 0 0 0 18px;
  max-height: 220px;
  overflow: auto;
  font-size: 13px;
  color: var(--muted);
}

.filters {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.filters input, .filters select { min-width: 140px; }

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel-2);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
th {
  background: var(--panel);
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: sticky;
  top: 0;
}
tbody tr { cursor: pointer; transition: background 0.1s; }
tbody tr:hover { background: rgba(79, 140, 255, 0.06); }
.num { text-align: right; }
td.cufe { font-family: ui-monospace, SFMono-Regular, monospace; font-size: 12px; color: var(--muted); }
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  background: var(--panel);
  border: 1px solid var(--border);
}
.tag.enviado { color: var(--accent); border-color: rgba(79, 140, 255, 0.4); }
.tag.recibido { color: var(--accent-2); border-color: rgba(99, 230, 179, 0.35); }
.tag.auto { color: var(--muted); }
.tag.invoice { color: var(--text); }
.tag.creditnote { color: var(--warn); border-color: rgba(245, 180, 90, 0.35); }
.tag.debitnote { color: var(--danger); border-color: rgba(255, 107, 107, 0.4); }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 16, 0.72);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 24px;
}
.modal.is-open {
  display: flex;
}
[hidden] {
  display: none !important;
}
.modal-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  max-width: min(1200px, 96vw);
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  padding: 24px;
  position: relative;
  box-shadow: var(--shadow);
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 26px;
  cursor: pointer;
  line-height: 1;
}
.modal-close:hover { color: var(--text); }

.detail-head h2 { margin: 0 0 4px; font-size: 20px; }
.detail-head .sub { color: var(--muted); font-size: 13px; margin-bottom: 16px; }
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px 20px;
  margin-bottom: 20px;
  padding: 14px;
  background: var(--panel-2);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.detail-grid .kv small { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 2px; }
.detail-grid .kv span { font-size: 13px; word-break: break-word; }

.detail-section h3 { font-size: 14px; margin: 0 0 8px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 500; }
.detail-section { margin-bottom: 22px; }
.detail-section table { font-size: 12px; }

.lines-dian { overflow-x: auto; }
table.dian-lines {
  min-width: 1100px;
  border-collapse: collapse;
  font-size: 12px;
}
table.dian-lines th,
table.dian-lines td {
  border: 1px solid var(--border);
  padding: 6px 8px;
  white-space: nowrap;
  vertical-align: middle;
}
table.dian-lines th {
  background: rgba(79, 140, 255, 0.18);
  color: var(--text);
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  font-size: 11px;
  position: sticky;
  top: 0;
  z-index: 1;
}
table.dian-lines th.taxes-group {
  background: rgba(99, 230, 179, 0.18);
  text-align: center;
}
table.dian-lines td.desc {
  white-space: normal;
  min-width: 220px;
  max-width: 320px;
  text-align: left;
}
table.dian-lines .center { text-align: center; }
table.dian-lines tbody tr:nth-child(even) { background: rgba(255, 255, 255, 0.02); }

.filter-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}
.filter-field span { letter-spacing: 0.3px; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.kpi {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}
.kpi small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 6px;
}
.kpi strong {
  font-size: 18px;
  font-weight: 700;
  word-break: break-word;
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
.chart-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 14px 8px;
  min-height: 260px;
}
.chart-card.chart-wide { grid-column: 1 / -1; min-height: 320px; }
.chart-card h3 {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.chart-card canvas { max-height: 280px; }

.revision-tables { display: flex; flex-direction: column; gap: 22px; }
.table-block h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}
.table-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.table-toolbar input[type="search"] {
  min-width: 220px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 13px;
}
th[data-sort] { cursor: pointer; user-select: none; }
th[data-sort]:hover { color: var(--text); }
th[data-sort].sorted-asc::after { content: " ↑"; color: var(--accent); }
th[data-sort].sorted-desc::after { content: " ↓"; color: var(--accent); }

.conn-status-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 14px 16px;
  margin-bottom: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel-2);
}
.conn-status-bar.is-ok { border-color: rgba(99, 230, 179, 0.45); }
.conn-status-bar.is-err { border-color: rgba(255, 107, 107, 0.45); }
.conn-status-bar.is-warn { border-color: rgba(245, 180, 90, 0.45); }
.conn-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--muted);
  flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(136, 146, 178, 0.15);
}
.conn-dot.is-ok {
  background: var(--ok);
  box-shadow: 0 0 0 4px rgba(99, 230, 179, 0.18);
}
.conn-dot.is-err {
  background: var(--danger);
  box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.18);
}
.conn-dot.is-warn {
  background: var(--warn);
  box-shadow: 0 0 0 4px rgba(245, 180, 90, 0.18);
}
.conn-status-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 200px;
}
.conn-status-text strong { font-size: 14px; }
.conn-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  font-size: 12px;
  color: var(--muted);
}
.conn-form { display: flex; flex-direction: column; gap: 16px; }
.conn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}
.conn-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--muted);
}
.conn-grid input[type="text"],
.conn-grid input[type="password"],
.conn-grid input[type="number"],
.conn-form select {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 14px;
  min-width: 0;
  width: 100%;
  outline: none;
}
.conn-grid input:focus,
.conn-form select:focus { border-color: var(--accent); }
.conn-hint { font-size: 13px; margin: -4px 0 0; }

.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(79, 140, 255, 0.18), transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(99, 230, 179, 0.1), transparent 45%),
    linear-gradient(180deg, #0c1120 0%, #0f1420 100%);
}
.login-shell {
  width: min(420px, 92vw);
  padding: 24px 0;
}
.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  box-shadow: var(--shadow);
}
.login-brand { font-size: 22px; margin-bottom: 16px; }
.login-card h1 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 600;
}
.login-card > .muted { margin-bottom: 20px; }
.login-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.login-form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--muted);
}
.login-form input {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 15px;
  outline: none;
  width: 100%;
}
.login-form input:focus { border-color: var(--accent); }
.login-form .btn-primary { width: 100%; margin-top: 4px; }

@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .row { flex-direction: column; align-items: stretch; }
  select, input { min-width: 0; }
  .charts-grid { grid-template-columns: 1fr; }
  .chart-card.chart-wide { grid-column: auto; }
  .conn-meta { align-items: flex-start; }
}