/* ============================================
   FlexBen — Global Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary:        #4F46E5;
  --primary-dark:   #3730A3;
  --primary-light:  #EEF2FF;
  --secondary:      #06B6D4;
  --accent:         #10B981;
  --accent-light:   #D1FAE5;
  --warning:        #F59E0B;
  --warning-light:  #FEF3C7;
  --danger:         #EF4444;
  --danger-light:   #FEE2E2;
  --bg:             #F1F5F9;
  --card:           #FFFFFF;
  --border:         #E2E8F0;
  --text:           #1E293B;
  --text-muted:     #64748B;
  --text-light:     #94A3B8;
  --sidebar-width:  260px;
  --header-height:  64px;
  --radius:         12px;
  --radius-sm:      8px;
  --shadow:         0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
  --shadow-lg:      0 8px 32px rgba(79,70,229,.14);
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

a { text-decoration: none; color: inherit; }

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

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-width);
  background: #fff;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform .3s;
}

.sidebar-logo {
  padding: 20px 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}

.logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  color: #fff;
  font-weight: 800;
  flex-shrink: 0;
}

.logo-text { font-weight: 700; font-size: 17px; color: var(--text); }
.logo-text span { color: var(--primary); }

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px;
}

.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--text-light);
  text-transform: uppercase;
  padding: 8px 10px 4px;
  margin-top: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 13.5px;
  cursor: pointer;
  transition: all .18s;
  margin-bottom: 2px;
}

.nav-item:hover { background: var(--primary-light); color: var(--primary); }
.nav-item.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }

.nav-item .nav-icon { width: 18px; text-align: center; font-size: 15px; flex-shrink: 0; }

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  border-radius: 20px;
  padding: 1px 6px;
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: 14px 12px;
  border-top: 1px solid var(--border);
}

.user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .18s;
}
.user-card:hover { background: var(--bg); }

.avatar {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}

.user-info { flex: 1; min-width: 0; }
.user-name { font-weight: 600; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: var(--text-muted); }

/* ---- Main Content ---- */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-width: 0;
}

.top-bar {
  height: var(--header-height);
  background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.top-bar-title { font-size: 16px; font-weight: 700; flex: 1; }
.top-bar-subtitle { font-size: 12px; color: var(--text-muted); font-weight: 400; margin-top: 1px; }

.page-content { padding: 28px; }

/* ---- Cards ---- */
.card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.card-header {
  padding: 18px 22px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-title { font-size: 15px; font-weight: 700; }
.card-subtitle { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.card-body { padding: 22px; }

/* ---- Stat Cards ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px 22px;
  position: relative;
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--stat-color, var(--primary));
}

.stat-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  margin-bottom: 14px;
  background: var(--stat-bg, var(--primary-light));
  color: var(--stat-color, var(--primary));
}

.stat-value { font-size: 26px; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.stat-label { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.stat-change {
  font-size: 11px;
  font-weight: 600;
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.stat-change.up { color: var(--accent); }
.stat-change.down { color: var(--danger); }

/* ---- Progress Bar ---- */
.progress-wrap { background: var(--border); border-radius: 99px; overflow: hidden; }
.progress-bar {
  height: 100%;
  border-radius: 99px;
  transition: width .6s ease;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}
.progress-bar.green { background: linear-gradient(90deg, var(--accent), #34D399); }
.progress-bar.orange { background: linear-gradient(90deg, var(--warning), #FCD34D); }
.progress-bar.red { background: linear-gradient(90deg, var(--danger), #F87171); }

/* ---- Badges / Pills ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
}
.badge-pending   { background: var(--warning-light); color: #92400E; }
.badge-approved  { background: var(--accent-light); color: #065F46; }
.badge-rejected  { background: var(--danger-light); color: #991B1B; }
.badge-primary   { background: var(--primary-light); color: var(--primary-dark); }
.badge-secondary { background: #E0F2FE; color: #0369A1; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all .18s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(79,70,229,.25);
}
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 4px 14px rgba(79,70,229,.35); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-muted);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }

.btn-success { background: var(--accent); color: #fff; }
.btn-success:hover { background: #059669; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #DC2626; }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 13px 28px; font-size: 15px; }
.btn-block { width: 100%; justify-content: center; }

.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }

/* ---- Forms ---- */
.form-group { margin-bottom: 18px; }
.form-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 7px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  transition: border-color .18s, box-shadow .18s;
  outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,70,229,.1); }
.form-control::placeholder { color: var(--text-light); }

select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 90px; }

.form-hint { font-size: 11.5px; color: var(--text-muted); margin-top: 5px; }
.form-error { font-size: 11.5px; color: var(--danger); margin-top: 5px; }

.input-prefix {
  position: relative;
}
.input-prefix .prefix {
  position: absolute;
  left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 13px;
  pointer-events: none;
}
.input-prefix .form-control { padding-left: 42px; }

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

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  padding: 12px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
  vertical-align: middle;
}

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

/* ---- Info Tooltip ---- */
.info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--text-light);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  position: relative;
  font-style: italic;
  flex-shrink: 0;
  transition: background .18s;
}
.info-icon:hover { background: var(--primary); }

.tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #1E293B;
  color: #fff;
  font-size: 12px;
  font-weight: 400;
  font-style: normal;
  padding: 8px 12px;
  border-radius: 8px;
  white-space: nowrap;
  max-width: 220px;
  white-space: normal;
  pointer-events: none;
  opacity: 0;
  transition: opacity .18s;
  z-index: 999;
  line-height: 1.5;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
}
.tooltip::after {
  content: '';
  position: absolute;
  top: 100%; left: 50%; transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: #1E293B;
}
.info-icon:hover .tooltip { opacity: 1; }

/* ---- Upload Zone ---- */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  transition: all .18s;
  position: relative;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--primary);
  background: var(--primary-light);
}
.upload-zone input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.upload-icon { font-size: 28px; margin-bottom: 8px; color: var(--text-light); }
.upload-text { font-size: 13px; color: var(--text-muted); }
.upload-text strong { color: var(--primary); }
.upload-preview {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: #065F46;
}

/* ---- Donut Chart ---- */
.donut-wrap {
  position: relative;
  display: inline-block;
}
.donut-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.donut-value { font-size: 20px; font-weight: 800; }
.donut-label { font-size: 10px; color: var(--text-muted); font-weight: 500; }

/* ---- Trade Cards ---- */
.trade-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.trade-card {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all .2s;
  position: relative;
  overflow: hidden;
}
.trade-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.trade-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--tc-color, var(--primary));
}

.trade-card-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  background: var(--tc-bg, var(--primary-light));
}

.trade-card-name { font-size: 15px; font-weight: 700; }
.trade-card-desc { font-size: 12.5px; color: var(--text-muted); line-height: 1.5; flex: 1; }

.trade-card-rate {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  padding: 8px 12px;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ---- Timeline ---- */
.timeline { position: relative; padding-left: 24px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 2px;
  background: var(--border);
}
.timeline-item { position: relative; margin-bottom: 20px; }
.timeline-dot {
  position: absolute;
  left: -20px; top: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--primary);
  background: var(--primary);
}
.timeline-dot.approved { background: var(--accent); box-shadow: 0 0 0 2px var(--accent); }
.timeline-dot.rejected { background: var(--danger); box-shadow: 0 0 0 2px var(--danger); }
.timeline-dot.pending  { background: var(--warning); box-shadow: 0 0 0 2px var(--warning); }

.timeline-time { font-size: 11px; color: var(--text-muted); margin-bottom: 3px; }
.timeline-content {
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
}

/* ---- Tabs ---- */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 20px; }
.tab {
  padding: 10px 18px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all .18s;
}
.tab:hover { color: var(--primary); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ---- Search & Filter Bar ---- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.filter-bar .form-control { max-width: 200px; }
.search-input { position: relative; }
.search-input .form-control { padding-left: 36px; }
.search-input .search-icon {
  position: absolute;
  left: 11px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* ---- Empty State ---- */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 40px; margin-bottom: 12px; opacity: .4; }
.empty-state p { font-size: 13px; }

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: #fff;
  border-radius: 16px;
  max-width: 520px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
  transform: translateY(20px);
  transition: transform .22s;
}
.modal-overlay.open .modal { transform: translateY(0); }

.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title { font-size: 16px; font-weight: 700; }
.modal-close {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: none;
  background: var(--bg);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  color: var(--text-muted);
  transition: all .18s;
}
.modal-close:hover { background: var(--border); color: var(--text); }

.modal-body { padding: 22px 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* ---- Summary Chart Area ---- */
.chart-legend { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; color: var(--text-muted); }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

/* ---- Notification dot ---- */
.notif-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--danger);
  display: inline-block;
  margin-left: 4px;
  animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0%,100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: .7; }
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-content { padding: 16px; }
}

/* ---- Animations ---- */
.fade-in {
  animation: fadeIn .35s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Misc Utilities ---- */
.text-primary { color: var(--primary); }
.text-muted   { color: var(--text-muted); }
.text-accent  { color: var(--accent); }
.text-danger  { color: var(--danger); }
.text-warning { color: var(--warning); }
.fw-700 { font-weight: 700; }
.fw-600 { font-weight: 600; }
.fs-12  { font-size: 12px; }
.fs-13  { font-size: 13px; }
.mb-0   { margin-bottom: 0; }
.mt-4   { margin-top: 4px; }
.mt-8   { margin-top: 8px; }
.mt-12  { margin-top: 12px; }
.mt-16  { margin-top: 16px; }
.mt-20  { margin-top: 20px; }
.mt-24  { margin-top: 24px; }
.mb-8   { margin-bottom: 8px; }
.mb-12  { margin-bottom: 12px; }
.mb-16  { margin-bottom: 16px; }
.mb-20  { margin-bottom: 20px; }
.mb-24  { margin-bottom: 24px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.flex-1 { flex: 1; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }