:root {
  --sidebar-bg: #0d1f3c;
  --sidebar-hover: #1a3358;
  --sidebar-active: #1e3f6e;
  --sidebar-text: #94a3b8;
  --sidebar-text-active: #f1f5f9;
  --accent: #3b82f6;
  --accent-dark: #2563eb;
  --accent-light: #eff6ff;
  --bg: #f0f4f8;
  --card: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --success: #16a34a;
  --success-bg: #f0fdf4;
  --warning: #d97706;
  --warning-bg: #fffbeb;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --info-bg: #eff6ff;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.1);
  --sidebar-w: 250px;
}

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

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

button, input, select, textarea { font: inherit; }

/* ── LOGIN ─────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0d1f3c 0%, #1e3f6e 100%);
  padding: 24px;
}
.login-card {
  background: var(--card);
  border-radius: 20px;
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
  text-align: center;
}
.login-card .logo-img {
  width: 160px;
  margin-bottom: 32px;
}
.login-card h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.login-card .subtitle {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 28px;
}
.form-group {
  text-align: left;
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 6px;
  color: var(--text);
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: #f8fafc;
  color: var(--text);
  transition: border-color .15s;
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--accent);
  background: white;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  transition: all .15s;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover { background: var(--accent-dark); }
.btn-primary:active { transform: scale(.98); }
.btn-secondary {
  background: var(--border);
  color: var(--text);
}
.btn-secondary:hover { background: #d1d9e6; }
.btn-success {
  background: var(--success);
  color: white;
}
.btn-success:hover { background: #15803d; }
.btn-danger {
  background: var(--danger);
  color: white;
}
.btn-danger:hover { background: #b91c1c; }
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { background: var(--bg); color: var(--text); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }
.btn-lg { padding: 13px 22px; font-size: 15px; }

.alert-box {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-top: 12px;
}
.alert-error { background: var(--danger-bg); color: var(--danger); border: 1px solid #fca5a5; }
.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid #86efac; }
.alert-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid #fcd34d; }
.alert-info { background: var(--info-bg); color: var(--accent-dark); border: 1px solid #bfdbfe; }

/* ── APP SHELL ─────────────────────────────────────────────── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ── SIDEBAR ───────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
}
.sidebar-logo {
  padding: 24px 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.sidebar-logo img {
  width: 140px;
  filter: brightness(0) invert(1);
  opacity: .9;
}
.sidebar-user {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.sidebar-user .user-name {
  font-weight: 600;
  font-size: 13px;
  color: var(--sidebar-text-active);
}
.sidebar-user .user-role {
  font-size: 11px;
  color: var(--sidebar-text);
  margin-top: 2px;
}
.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
}
.nav-section-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(148,163,184,.5);
  padding: 12px 10px 6px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--sidebar-text);
  cursor: pointer;
  transition: all .15s;
  font-size: 13px;
  font-weight: 500;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  margin-bottom: 2px;
}
.nav-item:hover { background: var(--sidebar-hover); color: var(--sidebar-text-active); }
.nav-item.active {
  background: var(--sidebar-active);
  color: var(--sidebar-text-active);
}
.nav-item .nav-icon { font-size: 15px; width: 20px; text-align: center; flex-shrink: 0; }
.sidebar-footer {
  padding: 14px 10px;
  border-top: 1px solid rgba(255,255,255,.07);
}

/* ── MAIN CONTENT ──────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-title { font-size: 16px; font-weight: 700; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.page-body { padding: 24px 28px; flex: 1; }

/* ── CARDS ─────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.card-header {
  padding: 16px 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}
.card-body { padding: 16px 20px 20px; }

/* ── KPI CARDS ─────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.kpi-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.kpi-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.kpi-icon.blue { background: var(--info-bg); }
.kpi-icon.green { background: var(--success-bg); }
.kpi-icon.orange { background: var(--warning-bg); }
.kpi-icon.red { background: var(--danger-bg); }
.kpi-label { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.kpi-value { font-size: 26px; font-weight: 800; color: var(--text); line-height: 1.1; margin: 4px 0 2px; }
.kpi-sub { font-size: 11px; color: var(--text-muted); }

/* ── TABLES ─────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
thead th {
  background: #f8fafc;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background .1s;
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #f8fafc; }
tbody td {
  padding: 11px 14px;
  color: var(--text);
  vertical-align: middle;
}
.td-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.text-center { text-align: center; }

/* ── BADGES ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-green { background: var(--success-bg); color: var(--success); }
.badge-red { background: var(--danger-bg); color: var(--danger); }
.badge-orange { background: var(--warning-bg); color: var(--warning); }
.badge-blue { background: var(--info-bg); color: var(--accent-dark); }
.badge-gray { background: #f1f5f9; color: var(--text-muted); }
.badge-yellow { background: #fef9c3; color: #92400e; }
.btn-danger-soft { background: #fee2e2; color: var(--danger); border: none; }
.btn-danger-soft:hover { background: var(--danger); color: #fff; }
tr.row-danger { background: var(--danger-bg) !important; }
tr.row-warning { background: var(--warning-bg) !important; }

/* ── SEARCH & FILTERS ──────────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}
.search-input {
  position: relative;
  flex: 1;
  min-width: 200px;
}
.search-input input {
  width: 100%;
  padding: 8px 12px 8px 34px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: #f8fafc;
  outline: none;
  transition: border-color .15s;
}
.search-input input:focus { border-color: var(--accent); background: white; }
.search-input .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}
.filter-select {
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: #f8fafc;
  color: var(--text);
  outline: none;
  cursor: pointer;
}
.filter-select:focus { border-color: var(--accent); }

/* ── FORMS ─────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.form-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}
textarea.form-group { resize: vertical; min-height: 80px; }

/* ── EMPTY STATE ───────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state h3 { font-size: 16px; color: var(--text); margin-bottom: 6px; }
.empty-state p { font-size: 13px; }

/* ── SECTION HEADER ────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.section-header h1 {
  font-size: 20px;
  font-weight: 800;
}
.section-header p { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ── GRID LAYOUTS ──────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ── MISC ──────────────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.text-sm { font-size: 12px; }
.text-muted { color: var(--text-muted); }
.font-bold { font-weight: 700; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mb-16 { margin-bottom: 16px; }
.gap-8 { gap: 8px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.wrap { flex-wrap: wrap; }
.money { font-variant-numeric: tabular-nums; font-weight: 600; }
.money-positive { color: var(--success); }
.money-negative { color: var(--danger); }
.clickable { cursor: pointer; }
.clickable:hover { text-decoration: underline; color: var(--accent); }

/* ── PAGINATION ────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 8px;
}
.pagination-btns { display: flex; gap: 4px; }
.pagination-btns button {
  padding: 5px 10px;
  border: 1.5px solid var(--border);
  background: white;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
}
.pagination-btns button:hover { border-color: var(--accent); color: var(--accent); }
.pagination-btns button.active { background: var(--accent); color: white; border-color: var(--accent); }
.pagination-btns button:disabled { opacity: .4; cursor: default; }

/* ── SUMMARY ROW ───────────────────────────────────────────── */
.summary-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  padding: 14px 20px;
  background: #f8fafc;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}
.summary-item { text-align: center; }
.summary-item .s-val { font-size: 18px; font-weight: 800; }
.summary-item .s-lbl { font-size: 11px; color: var(--text-muted); }

/* ── MODAL ─────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
  padding: 20px;
}
.modal {
  background: white;
  border-radius: 16px;
  padding: 28px;
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.modal-header h3 { font-size: 17px; font-weight: 700; }
.modal-close { background: none; border: none; cursor: pointer; font-size: 20px; color: var(--text-muted); padding: 4px; border-radius: 4px; }
.modal-close:hover { background: var(--bg); color: var(--text); }
.modal-footer { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }

/* ── DETAIL PANEL ──────────────────────────────────────────── */
.detail-row { display: flex; padding: 9px 0; border-bottom: 1px solid var(--border); gap: 12px; }
.detail-row:last-child { border-bottom: none; }
.detail-label { font-size: 12px; color: var(--text-muted); font-weight: 600; width: 160px; flex-shrink: 0; }
.detail-value { font-size: 13px; color: var(--text); }

/* ── WHATSAPP PREVIEW ──────────────────────────────────────── */
.wa-bubble {
  background: #dcf8c6;
  border-radius: 12px 12px 4px 12px;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  color: #1a1a1a;
  box-shadow: 0 1px 2px rgba(0,0,0,.1);
  max-width: 400px;
}