:root {
  --bg:        #0d0f14;
  --bg2:       #13161e;
  --bg3:       #1a1e29;
  --border:    #252a38;
  --accent:    #3b82f6;
  --accent2:   #22d3ee;
  --green:     #10b981;
  --red:       #ef4444;
  --yellow:    #f59e0b;
  --text:      #e2e8f0;
  --text2:     #94a3b8;
  --text3:     #4b5563;
  --radius:    10px;
  --mono:      'DM Mono', monospace;
  --sans:      'Syne', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  min-height: 100vh;
  display: flex;
}

/* ── SIDEBAR ── */
.sidebar {
  width: 220px;
  min-height: 100vh;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo span {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent2);
  font-family: var(--mono);
}

.sidebar-logo h2 {
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
  margin-top: 4px;
  line-height: 1.2;
}

nav { padding: 16px 0; flex: 1; }

nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text2);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: all 0.15s;
  border-left: 3px solid transparent;
}

nav a:hover { color: var(--text); background: var(--bg3); }
nav a.active { color: var(--accent2); background: var(--bg3); border-left-color: var(--accent2); }
nav a .icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text3);
}

/* ── MAIN ── */
.main {
  margin-left: 220px;
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  padding: 18px 32px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg2);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar h1 { font-size: 18px; font-weight: 700; }
.topbar .subtitle { font-size: 12px; color: var(--text2); margin-top: 2px; font-family: var(--mono); }

.content { padding: 28px 32px; flex: 1; }

/* ── CARDS ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  transition: border-color 0.2s;
}

.card:hover { border-color: var(--accent); }

.card-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 10px;
  font-family: var(--mono);
}

.card-value {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  font-family: var(--mono);
  line-height: 1.25;
}

.card-value.positive { color: var(--green); }
.card-value.negative { color: var(--red); }

.card-sub {
  font-size: 11px;
  color: var(--text3);
  margin-top: 6px;
  font-family: var(--mono);
  line-height: 1.4;
}

/* ── SECCIONES ── */
.section {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
}

.section-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-header h3 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text2);
  font-family: var(--mono);
}

.section-body { padding: 0; }

/* ── TABLA ── */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  padding: 10px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text3);
  font-family: var(--mono);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg3); }

td {
  padding: 10px 16px;
  color: var(--text);
  vertical-align: middle;
  line-height: 1.45;
}

.td-mono { font-family: var(--mono); font-size: 12px; }
.td-muted { color: var(--text2); }

/* ── BADGES ── */
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--mono);
  letter-spacing: 0.5px;
}

.badge-green  { background: rgba(16,185,129,.15); color: var(--green); }
.badge-red    { background: rgba(239,68,68,.15);  color: var(--red); }
.badge-yellow { background: rgba(245,158,11,.15); color: var(--yellow); }
.badge-blue   { background: rgba(59,130,246,.15); color: var(--accent); }
.badge-cyan   { background: rgba(34,211,238,.15); color: var(--accent2); }
.badge-gray   { background: rgba(75,85,99,.3);    color: var(--text2); }

/* ── FILTROS ── */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
}

.filters input,
.filters select {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
  padding: 7px 12px;
  outline: none;
  transition: border-color 0.15s;
}

.filters input:focus,
.filters select:focus { border-color: var(--accent); }

.filters input::placeholder { color: var(--text3); }

/* ── BOTONES ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  text-decoration: none;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #2563eb; }
.btn-success { background: var(--green); color: #fff; }
.btn-success:hover { background: #059669; }
.btn-danger  { background: var(--red); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--text); }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* ── MODAL ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.2s ease;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.modal-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 { font-size: 15px; font-weight: 700; }

.modal-close {
  background: none;
  border: none;
  color: var(--text2);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  padding: 0 4px;
}

.modal-close:hover { color: var(--text); }
.modal-body { padding: 22px; }

/* ── FORMULARIOS ── */
.form-group { margin-bottom: 16px; }

.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 6px;
  font-family: var(--mono);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  padding: 9px 12px;
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }

.form-group textarea { resize: vertical; min-height: 70px; }
.form-group input::placeholder { color: var(--text3); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.modal-footer {
  padding: 16px 22px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ── TOAST ── */
#toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast-msg {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 13px;
  font-family: var(--mono);
  min-width: 260px;
  animation: fadeIn 0.2s ease;
  display: flex;
  align-items: center;
  gap: 10px;
}

.toast-msg.ok  { border-left: 3px solid var(--green); }
.toast-msg.err { border-left: 3px solid var(--red); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── GRIDS ── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.three-col { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

/* ── MONTO ── */
.monto-pos { color: var(--green); font-family: var(--mono); font-weight: 500; }
.monto-neg { color: var(--red);   font-family: var(--mono); font-weight: 500; }
.monto     { font-family: var(--mono); font-weight: 500; }

/* ── EMPTY STATE ── */
.empty {
  padding: 40px;
  text-align: center;
  color: var(--text3);
  font-family: var(--mono);
  font-size: 13px;
}

/* ── LOADING ── */
.loading {
  padding: 30px;
  text-align: center;
  color: var(--text3);
  font-family: var(--mono);
  font-size: 12px;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* ── RESPONSIVE MÍNIMO ── */
@media (max-width: 900px) {
  .sidebar { width: 180px; }
  .main { margin-left: 180px; }
  .two-col, .three-col { grid-template-columns: 1fr; }
}