/* ─── Reset & Base ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-bg:       #f0f2f5;
  --c-sidebar:  #1a1a2e;
  --c-accent:   #0f3460;
  --c-blue:     #2563eb;
  --c-blue-lt:  #dbeafe;
  --c-green:    #16a34a;
  --c-red:      #dc2626;
  --c-yellow:   #d97706;
  --c-text:     #1e293b;
  --c-muted:    #64748b;
  --c-border:   #e2e8f0;
  --c-white:    #ffffff;
  --c-card:     #ffffff;
  --radius:     10px;
  --shadow:     0 1px 4px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

/* ─── Layout ───────────────────────────────────── */
.layout {
  display: flex;
  min-height: 100vh;
}

/* ─── Sidebar ──────────────────────────────────── */
.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--c-sidebar);
  color: #e2e8f0;
  display: flex;
  flex-direction: column;
  padding: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  padding: 24px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  font-size: 28px;
  line-height: 1;
}

.sidebar-header h1 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  color: #f1f5f9;
}

.nav {
  padding: 12px 0;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 20px;
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 14px;
  cursor: pointer;
  text-align: left;
  transition: background .15s, color .15s;
  border-left: 3px solid transparent;
}

.nav-btn:hover { background: rgba(255,255,255,.06); color: #f1f5f9; }
.nav-btn.active {
  background: rgba(37,99,235,.18);
  color: #93c5fd;
  border-left-color: #3b82f6;
}

.nav-icon { font-size: 16px; }

.sidebar-section {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: auto;
}

.sidebar-section .field-label {
  color: #94a3b8;
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ─── Main ─────────────────────────────────────── */
.main {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px;
  min-width: 0;
}

/* ─── Tabs ─────────────────────────────────────── */
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ─── Page Header ──────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.page-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--c-text);
}

.badge {
  background: var(--c-blue-lt);
  color: var(--c-blue);
  font-size: 13px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 99px;
}

/* ─── KPI Grid ─────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--c-card);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--c-blue);
}

.kpi-label {
  font-size: 12px;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--c-text);
}

/* ─── Charts ───────────────────────────────────── */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.chart-card {
  background: var(--c-card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.chart-card h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 16px;
}

.chart-card--full { grid-column: 1 / -1; }

.chart-wrap { position: relative; height: 280px; }
.chart-wrap--small { height: 220px; }

/* ─── Forms ────────────────────────────────────── */
.select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  background: var(--c-white);
  font-size: 14px;
  color: var(--c-text);
  cursor: pointer;
}

.search-input {
  padding: 8px 12px;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  font-size: 14px;
  color: var(--c-text);
  outline: none;
  transition: border-color .15s;
  width: 280px;
}

.search-input:focus { border-color: var(--c-blue); }

.field-group { margin-bottom: 16px; }
.field-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 6px;
}

/* ─── Buttons ──────────────────────────────────── */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .15s, transform .1s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn:not(:disabled):active { transform: scale(.97); }

.btn-primary {
  background: var(--c-blue);
  color: white;
  width: 100%;
  justify-content: center;
}

.btn-primary:not(:disabled):hover { opacity: .9; }

.btn-link {
  background: none;
  border: none;
  color: var(--c-blue);
  cursor: pointer;
  font-size: 13px;
  padding: 0 4px;
  text-decoration: underline;
}

/* ─── Clients List ─────────────────────────────── */
.clients-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}

.client-card {
  background: var(--c-card);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: box-shadow .15s, transform .1s;
  border-left: 4px solid var(--c-border);
}

.client-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,.12);
  transform: translateY(-1px);
}

.client-card.growth-up  { border-left-color: var(--c-green); }
.client-card.growth-dn  { border-left-color: var(--c-red); }
.client-card.growth-mid { border-left-color: var(--c-yellow); }

.client-card-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 8px;
  line-height: 1.4;
}

.client-card-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.client-tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 99px;
  font-weight: 500;
}

.tag-green { background: #dcfce7; color: var(--c-green); }
.tag-red   { background: #fee2e2; color: var(--c-red); }
.tag-gray  { background: #f1f5f9; color: var(--c-muted); }
.tag-blue  { background: var(--c-blue-lt); color: var(--c-blue); }
.tag-yellow{ background: #fef3c7; color: var(--c-yellow); }

/* ─── Report Layout ────────────────────────────── */
.report-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 20px;
  align-items: start;
}

.report-panel {
  background: var(--c-card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.report-panel h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--c-text);
}

/* ─── Clients Picker ───────────────────────────── */
.clients-picker {
  max-height: 480px;
  overflow-y: auto;
  margin-top: 10px;
  border: 1px solid var(--c-border);
  border-radius: 7px;
}

.picker-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--c-border);
  transition: background .1s;
}

.picker-item:last-child { border-bottom: none; }
.picker-item:hover { background: #f8fafc; }
.picker-item.selected { background: var(--c-blue-lt); }

.picker-item input[type=checkbox] {
  width: 16px; height: 16px; accent-color: var(--c-blue);
}

.picker-name {
  font-size: 13px;
  color: var(--c-text);
  flex: 1;
}

/* ─── Selected Chips ───────────────────────────── */
.selected-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0;
  min-height: 28px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--c-blue-lt);
  color: var(--c-blue);
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 99px;
  max-width: 200px;
}

.chip-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chip-remove {
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  opacity: .6;
}

.chip-remove:hover { opacity: 1; }

/* ─── Selection Info ───────────────────────────── */
.selection-info {
  font-size: 13px;
  color: var(--c-muted);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ─── Report Status ────────────────────────────── */
.report-status {
  margin-top: 12px;
  font-size: 13px;
  color: var(--c-muted);
  text-align: center;
  min-height: 20px;
}

.report-status.loading { color: var(--c-blue); }
.report-status.error   { color: var(--c-red); }
.report-status.success { color: var(--c-green); }

/* ─── Client Preview ───────────────────────────── */
.client-preview {
  margin-top: 16px;
  border-top: 1px solid var(--c-border);
  padding-top: 14px;
}

.client-preview.hidden { display: none; }

.client-preview h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--c-text);
  line-height: 1.4;
}

.preview-chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 8px;
}

.preview-chart-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 4px;
}

.preview-stat-row {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.preview-stat {
  flex: 1;
  min-width: 80px;
  background: #f8fafc;
  border-radius: 7px;
  padding: 8px 10px;
  text-align: center;
}

.preview-stat-label {
  font-size: 10px;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 4px;
}

.preview-stat-val {
  font-size: 14px;
  font-weight: 700;
}

/* ─── Tax Debt Block ───────────────────────────── */
.tax-debt-block {
  border-top: 1px solid var(--c-border);
  padding-top: 10px;
  font-size: 12px;
}
.tax-header {
  font-size: 12px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 6px;
  margin-bottom: 8px;
}
.tax-has-debt {
  background: #fff0f0;
  color: var(--c-red);
  border: 1px solid #fca5a5;
}
.tax-clean {
  background: #f0fdf4;
  color: var(--c-green);
  border: 1px solid #86efac;
}
.tax-no-data { color: var(--c-muted); font-size: 11px; font-style: italic; }
.tax-kpi-row { display: flex; gap: 6px; margin-bottom: 8px; flex-wrap: wrap; }
.tax-kpi {
  flex: 1;
  min-width: 60px;
  background: #fff5f5;
  border-radius: 6px;
  padding: 5px 8px;
  text-align: center;
}
.tax-kpi-label {
  font-size: 9px;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 2px;
}
.tax-kpi-val { font-size: 11px; font-weight: 600; }
.tax-kpi-val.red  { color: var(--c-red); }
.tax-kpi-val.bold { font-size: 12px; }
.tax-table-wrap { overflow-x: auto; }
.tax-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 10px;
}
.tax-table th {
  background: #f8fafc;
  color: var(--c-muted);
  font-weight: 600;
  text-align: left;
  padding: 4px 6px;
  border-bottom: 1px solid var(--c-border);
  white-space: nowrap;
}
.tax-table td {
  padding: 3px 6px;
  border-bottom: 1px solid #f1f5f9;
  color: var(--c-text);
}
.tax-table tr:last-child td { border-bottom: none; }

/* ─── ABCD Loader ─────────────────────────────── */
.abcd-loader-row {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 40px 0;
  font-size: 14px;
  color: var(--c-muted);
}

.abcd-loader-error { color: var(--c-red); }

.spinner {
  width: 22px;
  height: 22px;
  border: 3px solid var(--c-border);
  border-top-color: var(--c-blue);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── ABCD Analysis ───────────────────────────── */
.abcd-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.abcd-card {
  background: var(--c-card);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  border-top: 4px solid;
  text-align: center;
}

.abcd-card[data-group="A"] { border-top-color: #16a34a; }
.abcd-card[data-group="B"] { border-top-color: #2563eb; }
.abcd-card[data-group="C"] { border-top-color: #d97706; }
.abcd-card[data-group="D"] { border-top-color: #dc2626; }

.abcd-card-group {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 4px;
}

.abcd-card[data-group="A"] .abcd-card-group { color: #16a34a; }
.abcd-card[data-group="B"] .abcd-card-group { color: #2563eb; }
.abcd-card[data-group="C"] .abcd-card-group { color: #d97706; }
.abcd-card[data-group="D"] .abcd-card-group { color: #dc2626; }

.abcd-card-title {
  font-size: 11px;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 8px;
}

.abcd-card-stats {
  font-size: 12px;
  color: var(--c-text);
  line-height: 1.8;
}

.abcd-card-stats strong { font-weight: 700; }

.abcd-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.abcd-group-tabs {
  display: flex;
  gap: 4px;
  background: var(--c-card);
  border-radius: 8px;
  padding: 4px;
  box-shadow: var(--shadow);
}

.abcd-group-btn {
  padding: 8px 20px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  background: transparent;
  color: var(--c-muted);
  transition: all .15s;
}

.abcd-group-btn:hover { background: #f1f5f9; color: var(--c-text); }
.abcd-group-btn.active { background: var(--c-blue); color: white; }

.abcd-table-wrap {
  background: var(--c-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow-x: auto;
}

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

.abcd-table th {
  background: #f8fafc;
  color: var(--c-muted);
  font-weight: 600;
  text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid var(--c-border);
  white-space: nowrap;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.abcd-table th.num { text-align: center; }

.abcd-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #f1f5f9;
  color: var(--c-text);
}

.abcd-table tr:hover td { background: #f8fafc; }

.abcd-table td.num { text-align: center; }

.abcd-table .growth-pos { color: var(--c-green); font-weight: 600; }
.abcd-table .growth-neg { color: var(--c-red); font-weight: 600; }
.abcd-table .trend-pos  { color: var(--c-green); }
.abcd-table .trend-neg  { color: var(--c-red); }

.abcd-bar {
  height: 6px;
  border-radius: 3px;
  background: #e2e8f0;
  margin-top: 4px;
  overflow: hidden;
}

.abcd-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width .3s;
}

/* ─── Loading ──────────────────────────────────── */
.loading {
  text-align: center;
  color: var(--c-muted);
  padding: 32px;
  font-size: 14px;
}

/* ─── Responsive ───────────────────────────────── */
@media (max-width: 900px) {
  .sidebar { width: 60px; }
  .sidebar-header h1, .nav-btn span:not(.nav-icon), .sidebar-section { display: none; }
  .main { padding: 20px 16px; }
  .charts-grid { grid-template-columns: 1fr; }
  .report-layout { grid-template-columns: 1fr; }
}