:root {
  --bg: #0f1420;
  --panel: #161d2e;
  --panel-alt: #1d2740;
  --border: #2a3552;
  --text: #e8ecf6;
  --text-dim: #9aa5c0;
  --primary: #5b8cff;
  --primary-dim: #3a5fc4;
  --green: #35c37f;
  --red: #ef5a6f;
  --amber: #f0a93a;
  --purple: #a67bf0;
  --radius: 12px;
  font-size: 15px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}

.hidden { display: none !important; }

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 20;
  flex-wrap: wrap;
  gap: 12px;
}
.topbar-left { display: flex; align-items: baseline; gap: 14px; }
.topbar-left h1 { font-size: 19px; margin: 0; font-weight: 700; }
.data-meta { font-size: 13px; color: var(--text-dim); }
.topbar-right { display: flex; gap: 10px; align-items: center; }

.btn {
  border: 1px solid var(--border);
  background: var(--panel-alt);
  color: var(--text);
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 13.5px;
  cursor: pointer;
  transition: all .15s ease;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { border-color: var(--primary); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.btn-primary:hover { background: var(--primary-dim); }
.btn-secondary { background: transparent; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-dim); text-decoration: underline; }

/* Dropzone */
.dropzone {
  margin: 60px auto;
  max-width: 640px;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 60px 30px;
  text-align: center;
  background: var(--panel);
  transition: border-color .15s ease, background .15s ease;
}
.dropzone.dragover { border-color: var(--primary); background: var(--panel-alt); }
.dropzone-title { font-size: 18px; font-weight: 600; margin: 0 0 8px; }
.dropzone-sub { font-size: 13.5px; color: var(--text-dim); margin: 0 0 22px; line-height: 1.5; }

/* Dashboard layout */
.dashboard { padding: 22px 28px 60px; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
.kpi-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.kpi-card .kpi-label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 8px; }
.kpi-card .kpi-value { font-size: 24px; font-weight: 700; line-height: 1.1; }
.kpi-card .kpi-sub { font-size: 12.5px; color: var(--text-dim); margin-top: 6px; }
.kpi-card.accent-green .kpi-value { color: var(--green); }
.kpi-card.accent-red .kpi-value { color: var(--red); }
.kpi-card.accent-amber .kpi-value { color: var(--amber); }
.kpi-card.accent-purple .kpi-value { color: var(--purple); }
.kpi-card.accent-primary .kpi-value { color: var(--primary); }

/* Filters */
.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 22px;
  align-items: end;
}
.filter-group { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.filter-group label { font-size: 11.5px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .03em; }
.filter-group input, .filter-group select {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 7px;
  padding: 7px 8px;
  font-size: 13px;
}
.filter-group select[multiple] { min-height: 62px; }
.filter-actions { display: flex; align-items: center; gap: 12px; grid-column: 1 / -1; justify-content: space-between; border-top: 1px solid var(--border); padding-top: 12px; margin-top: 4px; }
.filter-count { font-size: 12.5px; color: var(--text-dim); }

/* Charts */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
.chart-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
}
.chart-card.chart-wide { grid-column: span 2; }
.chart-card h3 { font-size: 13.5px; margin: 0 0 12px; color: var(--text-dim); font-weight: 600; }
.chart-card canvas { flex: 1; max-height: 280px; }

/* Table */
.table-section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px 8px;
}
.table-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.table-header h3 { margin: 0; font-size: 14.5px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left;
  padding: 9px 10px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  position: sticky;
  top: 0;
  background: var(--panel);
}
thead th:hover { color: var(--text); }
thead th.sorted-asc::after { content: " ▲"; font-size: 10px; }
thead th.sorted-desc::after { content: " ▼"; font-size: 10px; }
tbody td { padding: 9px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
tbody tr { cursor: pointer; transition: background .1s ease; }
tbody tr:hover { background: var(--panel-alt); }

.badge { padding: 3px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 600; display: inline-block; }
.badge-renovado { background: rgba(53,195,127,.15); color: var(--green); }
.badge-perdido { background: rgba(239,90,111,.15); color: var(--red); }
.badge-proceso { background: rgba(240,169,58,.15); color: var(--amber); }
.badge-ganado { background: rgba(91,140,255,.15); color: var(--primary); }
.badge-sin { background: rgba(154,165,192,.15); color: var(--text-dim); }

.table-pagination { display: flex; justify-content: center; gap: 6px; padding: 14px 0; flex-wrap: wrap; }
.table-pagination button {
  border: 1px solid var(--border);
  background: var(--panel-alt);
  color: var(--text-dim);
  padding: 5px 11px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12.5px;
}
.table-pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.table-pagination button:hover:not(.active) { color: var(--text); }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(5,8,16,.65);
  display: flex; align-items: center; justify-content: center;
  z-index: 100; padding: 20px;
}
.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 640px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 26px 28px;
  position: relative;
}
.modal-close {
  position: absolute; top: 14px; right: 16px;
  background: none; border: none; color: var(--text-dim);
  font-size: 22px; cursor: pointer; line-height: 1;
}
.modal-close:hover { color: var(--text); }
.modal h2 { margin: 0 0 18px; font-size: 18px; }
.modal-body dl { display: grid; grid-template-columns: 160px 1fr; gap: 9px 14px; margin: 0; }
.modal-body dt { color: var(--text-dim); font-size: 12.5px; }
.modal-body dd { margin: 0; font-size: 13.5px; }
.modal-section-title {
  grid-column: 1 / -1;
  font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--primary); border-top: 1px solid var(--border);
  padding-top: 12px; margin-top: 6px;
}

@media (max-width: 720px) {
  .chart-card.chart-wide { grid-column: span 1; }
  .topbar { flex-direction: column; align-items: flex-start; }
}