/* ============================================================
   CarteraControl — Estilos Principales
   ============================================================ */

/* ---- Variables -------------------------------------------- */
:root {
  --sidebar-w:        260px;
  --sidebar-w-col:    72px;
  --sidebar-bg:       #0f172a;
  --sidebar-border:   rgba(255,255,255,.06);
  --sidebar-hover:    rgba(255,255,255,.07);
  --sidebar-active:   rgba(99,102,241,.25);
  --sidebar-active-border: #6366f1;
  --sidebar-text:     #94a3b8;
  --sidebar-text-h:   #e2e8f0;
  --topbar-h:         60px;
  --topbar-bg:        #ffffff;
  --page-bg:          #f1f5f9;
  --card-bg:          #ffffff;
  --card-radius:      12px;
  --card-shadow:      0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --card-shadow-hov:  0 4px 16px rgba(0,0,0,.12);
  --primary:          #2563eb;
  --primary-light:    #eff6ff;
  --success:          #16a34a;
  --success-light:    #f0fdf4;
  --warning:          #d97706;
  --warning-light:    #fffbeb;
  --danger:           #dc2626;
  --danger-light:     #fef2f2;
  --orange:           #ea580c;
  --orange-light:     #fff7ed;
  --info:             #0891b2;
  --text-primary:     #1e293b;
  --text-secondary:   #64748b;
  --text-muted:       #94a3b8;
  --border:           #e2e8f0;
  --transition:       .2s ease;
  --font:             'Inter', system-ui, -apple-system, sans-serif;
}

/* ---- Reset / Base ----------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

html, body { height: 100%; }

body {
  font-family: var(--font);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--page-bg);
  margin: 0;
  padding: 0;
  line-height: 1.5;
}

a { text-decoration: none; }

/* ============================================================
   LAYOUT
   ============================================================ */

/* ---- Sidebar ---------------------------------------------- */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: width var(--transition);
  overflow: hidden;
}

.sidebar.collapsed { width: var(--sidebar-w-col); }

/* Brand */
.sidebar-brand {
  display: flex;
  align-items: center;
  padding: 0 16px;
  height: 64px;
  border-bottom: 1px solid var(--sidebar-border);
  flex-shrink: 0;
  gap: 12px;
}

.brand-logo {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, #6366f1, #2563eb);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: #fff;
  font-size: 16px;
}

.brand-text {
  display: flex; flex-direction: column;
  overflow: hidden;
  white-space: nowrap;
  transition: opacity var(--transition), width var(--transition);
}

.brand-name {
  font-size: 16px;
  font-weight: 700;
  color: #f1f5f9;
  letter-spacing: -.3px;
}

.brand-sub {
  font-size: 11px;
  color: #6366f1;
  font-weight: 500;
  letter-spacing: .5px;
  text-transform: uppercase;
}

.sidebar-toggle-btn {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--sidebar-text);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  flex-shrink: 0;
  transition: color var(--transition), background var(--transition);
}
.sidebar-toggle-btn:hover { color: var(--sidebar-text-h); background: var(--sidebar-hover); }

/* User info */
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--sidebar-border);
  flex-shrink: 0;
  overflow: hidden;
}

.user-avatar {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.user-info {
  overflow: hidden;
  white-space: nowrap;
  transition: opacity var(--transition);
}

.user-name {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #e2e8f0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  display: block;
  font-size: 11px;
  color: var(--sidebar-text);
  text-transform: capitalize;
}

/* Nav */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.1) transparent;
}

.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 2px; }

.nav-section-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: #475569;
  padding: 12px 20px 4px;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--transition);
}

.sidebar-nav ul { list-style: none; margin: 0; padding: 0; }

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  color: var(--sidebar-text);
  font-size: 13.5px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
}

.sidebar-nav .nav-link:hover {
  color: var(--sidebar-text-h);
  background: var(--sidebar-hover);
}

.sidebar-nav .nav-link.active {
  color: #a5b4fc;
  background: var(--sidebar-active);
  border-left-color: var(--sidebar-active-border);
}

.sidebar-nav .nav-link i {
  width: 20px;
  text-align: center;
  font-size: 15px;
  flex-shrink: 0;
}

.sidebar-nav .nav-link span {
  overflow: hidden;
  white-space: nowrap;
  transition: opacity var(--transition);
}

.nav-badge {
  position: absolute;
  right: 14px;
  background: #dc2626;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
  line-height: 1.6;
}

/* Footer sidebar */
.sidebar-footer {
  border-top: 1px solid var(--sidebar-border);
  padding: 8px 0 4px;
  flex-shrink: 0;
}

.logout-link {
  color: var(--sidebar-text) !important;
  font-size: 13px;
}
.logout-link:hover { color: #f87171 !important; background: rgba(239,68,68,.08) !important; }

.sidebar-version {
  text-align: center;
  font-size: 10px;
  color: #334155;
  padding: 4px 0 8px;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--transition);
}

/* Collapsed state */
.sidebar.collapsed .brand-text,
.sidebar.collapsed .user-info,
.sidebar.collapsed .nav-section-title,
.sidebar.collapsed .sidebar-nav .nav-link span,
.sidebar.collapsed .nav-badge,
.sidebar.collapsed .sidebar-version { opacity: 0; pointer-events: none; }

.sidebar.collapsed .sidebar-nav .nav-link { justify-content: center; }
.sidebar.collapsed .sidebar-user { justify-content: center; }
.sidebar.collapsed .sidebar-brand { justify-content: center; }
.sidebar.collapsed .sidebar-toggle-btn { margin-left: 0; }

/* ---- Main Wrapper ----------------------------------------- */
.main-wrapper {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition);
}

.main-wrapper.collapsed { margin-left: var(--sidebar-w-col); }

/* ---- Topbar ----------------------------------------------- */
.topbar {
  position: sticky;
  top: 0;
  height: var(--topbar-h);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 12px;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}

.topbar-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 6px;
  display: none;
  transition: color var(--transition);
}
.topbar-toggle:hover { color: var(--primary); }

.topbar-title {
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
  flex: 1;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-date {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.topbar-user-btn {
  background: #f8fafc;
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 8px;
  transition: all var(--transition);
}
.topbar-user-btn:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }

.user-avatar-sm {
  width: 26px; height: 26px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
}

/* ---- Page Content ----------------------------------------- */
.page-content {
  flex: 1;
  padding: 24px;
  max-width: 100%;
}

/* ---- Overlay (mobile) ------------------------------------- */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 999;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  transition: box-shadow var(--transition);
}
.card:hover { box-shadow: var(--card-shadow-hov); }

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.card-body { padding: 20px; }

/* KPI Cards */
.kpi-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--card-shadow);
  transition: all var(--transition);
}
.kpi-card:hover { transform: translateY(-2px); box-shadow: var(--card-shadow-hov); }

.kpi-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.kpi-icon.blue   { background: #eff6ff; color: #2563eb; }
.kpi-icon.green  { background: #f0fdf4; color: #16a34a; }
.kpi-icon.red    { background: #fef2f2; color: #dc2626; }
.kpi-icon.orange { background: #fff7ed; color: #ea580c; }
.kpi-icon.purple { background: #faf5ff; color: #9333ea; }
.kpi-icon.cyan   { background: #ecfeff; color: #0891b2; }

.kpi-data { flex: 1; min-width: 0; }

.kpi-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kpi-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 2px;
}

.kpi-trend {
  font-size: 11px;
  font-weight: 600;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 3px;
}
.kpi-trend.up   { color: #16a34a; }
.kpi-trend.down { color: #dc2626; }

/* ============================================================
   BADGES / STATUS
   ============================================================ */
.badge { font-size: 11px; font-weight: 600; padding: 3px 8px; border-radius: 20px; }
.bg-orange { background-color: #ea580c !important; }
.text-orange { color: #ea580c !important; }

/* Aging status bar */
.aging-bar {
  display: flex;
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  margin-top: 4px;
}
.aging-bar-seg { transition: width var(--transition); }

/* ============================================================
   TABLES
   ============================================================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--card-radius);
}

table.dataTable thead th {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border) !important;
  white-space: nowrap;
}

table.dataTable tbody tr {
  transition: background var(--transition);
}

table.dataTable tbody tr:hover td { background: #f8fafc; }

.dataTables_wrapper .dataTables_filter input {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 13px;
  outline: none;
  transition: border var(--transition);
}
.dataTables_wrapper .dataTables_filter input:focus { border-color: var(--primary); }

.dataTables_wrapper .dataTables_length select {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 8px;
  font-size: 13px;
}

/* ============================================================
   FORMS
   ============================================================ */
.form-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.form-control, .form-select {
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--text-primary);
  padding: 8px 12px;
  transition: border var(--transition), box-shadow var(--transition);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}

.form-control.is-invalid, .form-select.is-invalid { border-color: var(--danger); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  font-size: 13.5px;
  font-weight: 500;
  border-radius: 8px;
  padding: 7px 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
}

.btn-sm { padding: 4px 10px; font-size: 12px; gap: 4px; }
.btn-lg { padding: 10px 24px; font-size: 15px; }

.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: #1d4ed8; border-color: #1d4ed8; }

.btn-success { background: var(--success); border-color: var(--success); }
.btn-success:hover { background: #15803d; }

.btn-danger { background: var(--danger); border-color: var(--danger); }

.btn-outline-primary {
  color: var(--primary);
  border: 1px solid var(--primary);
  background: transparent;
}
.btn-outline-primary:hover { background: var(--primary); color: #fff; }

.btn-icon {
  width: 32px; height: 32px;
  padding: 0;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ============================================================
   MODALS
   ============================================================ */
.modal-content {
  border: none;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
}

.modal-header {
  background: var(--primary);
  color: #fff;
  border-radius: 16px 16px 0 0;
  padding: 16px 20px;
}

.modal-header .btn-close { filter: invert(1); }

.modal-title { font-size: 15px; font-weight: 600; }

.modal-body { padding: 24px; }

.modal-footer {
  border-top: 1px solid var(--border);
  padding: 16px 20px;
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */
body.login-page {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-container {
  display: flex;
  width: 900px;
  max-width: 95vw;
  min-height: 540px;
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.4);
}

.login-left {
  flex: 1;
  background: linear-gradient(160deg, #0f172a 0%, #1e3a5f 60%, #2563eb 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.login-left::before {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  background: rgba(99,102,241,.15);
  border-radius: 50%;
  top: -80px; left: -80px;
}

.login-left::after {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  background: rgba(99,102,241,.1);
  border-radius: 50%;
  bottom: -60px; right: -40px;
}

.login-brand-icon {
  width: 70px; height: 70px;
  background: rgba(255,255,255,.15);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px;
  margin-bottom: 20px;
  backdrop-filter: blur(10px);
  position: relative; z-index: 1;
}

.login-left h1 {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 8px;
  position: relative; z-index: 1;
}

.login-left p {
  font-size: 14px;
  color: rgba(255,255,255,.7);
  text-align: center;
  position: relative; z-index: 1;
}

.login-features {
  list-style: none;
  padding: 0; margin: 24px 0 0;
  position: relative; z-index: 1;
  width: 100%;
}

.login-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 13px;
  color: rgba(255,255,255,.8);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.login-features li:last-child { border-bottom: none; }
.login-features i { color: #6366f1; width: 16px; }

.login-right {
  width: 400px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px 40px;
}

.login-right h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.login-right .subtitle {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 32px;
}

/* ============================================================
   AGING / STATUS INDICATORS
   ============================================================ */
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.status-dot.vigente    { background: #16a34a; }
.status-dot.pronto     { background: #d97706; }
.status-dot.vencido30  { background: #ea580c; }
.status-dot.vencido60  { background: #dc2626; }
.status-dot.vencido90  { background: #7f1d1d; }

/* ============================================================
   PAGE-SPECIFIC
   ============================================================ */

/* Cartera filter bar */
.filter-bar {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 16px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  margin-bottom: 20px;
  box-shadow: var(--card-shadow);
}

.filter-group { display: flex; flex-direction: column; gap: 4px; }
.filter-label { font-size: 11px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .5px; }

/* Aging summary pills */
.aging-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.aging-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  min-width: 110px;
}

.aging-pill.active, .aging-pill:hover { border-color: currentColor; }

.aging-pill .pill-amount {
  font-size: 15px;
  font-weight: 700;
}
.aging-pill .pill-label {
  font-size: 11px;
  font-weight: 500;
  opacity: .75;
}

.aging-pill.vigente   { background: var(--success-light); color: var(--success); }
.aging-pill.d1-30     { background: var(--warning-light); color: var(--warning); }
.aging-pill.d31-60    { background: var(--orange-light);  color: var(--orange); }
.aging-pill.d61-90    { background: var(--danger-light);  color: var(--danger); }
.aging-pill.mas90     { background: #fdf2f8; color: #9333ea; }

/* Promesa badge */
.promesa-pendiente { background: #eff6ff; color: #2563eb; }
.promesa-cumplida  { background: #f0fdf4; color: #16a34a; }
.promesa-incumplida{ background: #fef2f2; color: #dc2626; }
.promesa-cancelada { background: #f8fafc; color: #64748b; }

/* ============================================================
   MISC
   ============================================================ */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.page-header .breadcrumb {
  font-size: 12px;
  margin-bottom: 2px;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.empty-state i {
  font-size: 48px;
  color: var(--border);
  margin-bottom: 16px;
}

.empty-state h5 { font-size: 16px; color: var(--text-secondary); }
.empty-state p  { font-size: 13px; }

.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 40px;
  color: var(--text-secondary);
  font-size: 13px;
}

/* Toast notifications */
.toast-container { z-index: 9999; }

/* Select2 adjustments */
.select2-container--bootstrap-5 .select2-selection {
  border: 1px solid var(--border) !important;
  border-radius: 8px !important;
  font-size: 13.5px !important;
}

/* Flatpickr adjustments */
.flatpickr-calendar { font-family: var(--font) !important; font-size: 13px !important; border-radius: 12px !important; }
.flatpickr-day.selected { background: var(--primary) !important; border-color: var(--primary) !important; }

/* Scrollbar global */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .sidebar {
    width: var(--sidebar-w) !important;
    transform: translateX(-100%);
    transition: transform var(--transition);
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .sidebar-overlay.show { display: block; }

  .main-wrapper { margin-left: 0 !important; }
  .topbar-toggle { display: flex; }
  .topbar-date { display: none; }
  .page-content { padding: 16px; }
  .login-left { display: none; }
  .login-right { width: 100%; padding: 40px 24px; }
  .kpi-card { padding: 14px; }
  .kpi-value { font-size: 18px; }
}

@media (max-width: 576px) {
  .filter-bar { flex-direction: column; }
  .aging-pills { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
  .aging-pill { min-width: 100px; }
}