/* =============================================================
   KhoWeb Affiliate — Frontend Dashboard CSS
   Glassmorphism + dark gradient premium design
   ============================================================= */

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

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

/* ── Root variables ── */
:root {
  --ka-bg:        #0f1628;
  --ka-surface:   #1a2340;
  --ka-surface2:  #222d4a;
  --ka-border:    rgba(255,255,255,.08);
  --ka-accent:    #6c63ff;
  --ka-accent2:   #8b5cf6;
  --ka-gold:      #f59e0b;
  --ka-green:     #10b981;
  --ka-red:       #ef4444;
  --ka-text:      #e2e8f0;
  --ka-muted:     #94a3b8;
  --ka-radius:    14px;
  --ka-glow:      0 0 40px rgba(108,99,255,.15);
}

/* ── Wrap ── */
.ka-fe-wrap {
  display: flex;
  gap: 0;
  min-height: 100vh;
  background: var(--ka-bg);
  font-family: 'Inter', sans-serif;
  color: var(--ka-text);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,.4);
}

/* ── Sidebar ── */
.ka-fe-sidebar {
  width: 270px;
  flex-shrink: 0;
  background: linear-gradient(180deg, #1a2340 0%, #0f1628 100%);
  border-right: 1px solid var(--ka-border);
  display: flex;
  flex-direction: column;
  padding: 24px 0 24px;
}

.ka-fe-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px 24px;
  border-bottom: 1px solid var(--ka-border);
}
.ka-fe-avatar { border-radius: 50%; border: 3px solid var(--ka-accent); }
.ka-fe-user-info { display: flex; flex-direction: column; }
.ka-fe-user-info strong { font-size: 14px; font-weight: 600; }
.ka-fe-ref { font-size: 11px; color: var(--ka-accent); margin-top: 2px; }

.ka-fe-nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.ka-fe-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ka-muted);
  text-decoration: none;
  transition: all .2s;
}
.ka-fe-nav-item i { font-size: 15px; width: 18px; }
.ka-fe-nav-item:hover { background: rgba(108,99,255,.12); color: var(--ka-text); }
.ka-fe-nav-item.active { background: linear-gradient(135deg, rgba(108,99,255,.25), rgba(139,92,246,.15)); color: #fff; border-right: 3px solid var(--ka-accent); }

.ka-fe-ref-box { padding: 16px 20px; border-top: 1px solid var(--ka-border); }
.ka-fe-ref-box small { font-size: 11px; color: var(--ka-muted); display: block; margin-bottom: 8px; }
.ka-fe-ref-link { display: flex; gap: 6px; }
.ka-fe-ref-link input { flex: 1; min-width: 0; background: var(--ka-surface2); border: 1px solid var(--ka-border); border-radius: 8px; color: var(--ka-text); font-size: 11px; padding: 7px 8px; }

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

/* ── Section header ── */
.ka-fe-section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 10px; }
.ka-fe-section-header h2 { font-size: 20px; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 10px; margin: 0; }
.ka-fe-section-header h2 i { color: var(--ka-accent); }

/* ── KPI Grid ── */
.ka-fe-kpi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px,1fr)); gap: 14px; margin-bottom: 24px; }
.ka-fe-kpi {
  background: var(--ka-surface);
  border: 1px solid var(--ka-border);
  border-radius: var(--ka-radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  transition: transform .2s, box-shadow .2s;
}
.ka-fe-kpi:hover { transform: translateY(-3px); box-shadow: var(--ka-glow); }
.ka-fe-kpi i { font-size: 22px; color: var(--ka-accent); }
.ka-fe-kpi span { font-size: 20px; font-weight: 700; color: #fff; }
.ka-fe-kpi label { font-size: 11px; color: var(--ka-muted); }
.ka-fe-kpi-gold i, .ka-fe-kpi-gold span { color: var(--ka-gold); }
.ka-fe-kpi-green i,.ka-fe-kpi-green span { color: var(--ka-green); }

/* ── Cards ── */
.ka-fe-card {
  background: var(--ka-surface);
  border: 1px solid var(--ka-border);
  border-radius: var(--ka-radius);
  padding: 22px;
  margin-bottom: 20px;
}
.ka-fe-card h3 { font-size: 14px; font-weight: 600; color: #fff; margin: 0 0 16px; display: flex; align-items: center; gap: 8px; }

/* ── Chart ── */
.ka-fe-chart-box { background: var(--ka-surface); border: 1px solid var(--ka-border); border-radius: var(--ka-radius); padding: 22px; margin-bottom: 20px; }
.ka-fe-chart-box h3 { font-size: 14px; font-weight: 600; color: #fff; margin: 0 0 16px; display: flex; align-items: center; gap: 8px; }

/* ── Tables ── */
.ka-fe-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.ka-fe-table th { padding: 10px 12px; text-align: left; color: var(--ka-muted); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; font-weight: 600; border-bottom: 1px solid var(--ka-border); }
.ka-fe-table td { padding: 12px 12px; border-bottom: 1px solid var(--ka-border); color: var(--ka-text); vertical-align: middle; }
.ka-fe-table tr:hover td { background: rgba(255,255,255,.03); }
.ka-fe-empty { text-align: center; padding: 32px !important; color: var(--ka-muted); }

/* ── Link cards ── */
.ka-fe-link-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.ka-fe-link-card { background: var(--ka-surface); border: 1px solid var(--ka-border); border-radius: var(--ka-radius); padding: 20px; display: flex; gap: 16px; align-items: flex-start; }
.ka-fe-link-card-full { grid-column: 1 / -1; }
.ka-fe-link-card-icon { width: 44px; height: 44px; background: rgba(108,99,255,.15); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 18px; color: var(--ka-accent); flex-shrink: 0; }
.ka-fe-link-card-body { flex: 1; min-width: 0; }
.ka-fe-link-card-body strong { font-size: 13px; font-weight: 600; color: #fff; display: block; margin-bottom: 10px; }

/* ── Copy row ── */
.ka-fe-copy-row { display: flex; gap: 6px; }
.ka-fe-copy-row input { flex: 1; min-width: 0; background: var(--ka-surface2); border: 1px solid var(--ka-border); border-radius: 8px; color: var(--ka-text); font-size: 12px; padding: 8px 10px; }
.ka-copy-btn { background: rgba(108,99,255,.2); border: none; border-radius: 8px; color: var(--ka-accent); cursor: pointer; padding: 8px 10px; font-size: 14px; transition: background .2s; }
.ka-copy-btn:hover { background: var(--ka-accent); color: #fff; }

/* ── Gen row ── */
.ka-fe-gen-row { display: flex; gap: 8px; margin-bottom: 10px; }
.ka-fe-gen-row .ka-fe-input { flex: 1; }

/* ── Buttons ── */
.ka-fe-btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 20px; border-radius: 10px; font-size: 13px; font-weight: 600; cursor: pointer; border: none; text-decoration: none; transition: all .2s; }
.ka-fe-btn-primary { background: linear-gradient(135deg, var(--ka-accent), var(--ka-accent2)); color: #fff; box-shadow: 0 6px 20px rgba(108,99,255,.3); }
.ka-fe-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(108,99,255,.4); color: #fff; }
.ka-fe-btn-block { width: 100%; justify-content: center; }

/* ── Input/Form ── */
.ka-fe-input { background: var(--ka-surface2); border: 1.5px solid var(--ka-border); border-radius: 10px; color: var(--ka-text); font-size: 13px; padding: 10px 14px; font-family: 'Inter',sans-serif; transition: border .2s; width: 100%; }
.ka-fe-input:focus { outline: none; border-color: var(--ka-accent); }
.ka-fe-form { display: flex; flex-direction: column; gap: 16px; }
.ka-fe-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ka-fe-form-group { display: flex; flex-direction: column; gap: 6px; }
.ka-fe-form-group label { font-size: 12px; font-weight: 600; color: var(--ka-muted); display: flex; align-items: center; gap: 6px; }

/* ── Balance hero ── */
.ka-fe-balance-hero { background: linear-gradient(135deg, rgba(108,99,255,.2), rgba(139,92,246,.1)); border: 1px solid rgba(108,99,255,.3); border-radius: 20px; padding: 32px; margin-bottom: 24px; text-align: center; }
.ka-fe-balance-amount { font-size: 48px; font-weight: 800; color: #fff; letter-spacing: -1px; margin-bottom: 4px; }
.ka-fe-balance-label { color: var(--ka-muted); font-size: 13px; margin-bottom: 20px; }
.ka-fe-balance-info { display: flex; gap: 24px; margin-bottom: 20px; font-size: 13px; color: var(--ka-muted); }

/* ── Product links ── */
.ka-fe-product-links { display: flex; flex-direction: column; gap: 10px; }
.ka-fe-product-link-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.ka-fe-product-link-row span { min-width: 180px; font-size: 13px; color: var(--ka-text); }
.ka-fe-product-link-row .ka-fe-copy-row { flex: 1; min-width: 0; }

/* ── Banner grid ── */
.ka-fe-banner-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px,1fr)); gap: 20px; }
.ka-fe-banner-item { background: var(--ka-surface); border: 1px solid var(--ka-border); border-radius: var(--ka-radius); overflow: hidden; }
.ka-fe-banner-preview { width: 100%; height: 160px; object-fit: cover; }
.ka-fe-banner-meta { padding: 12px 16px 4px; display: flex; align-items: center; justify-content: space-between; }
.ka-fe-banner-meta strong { font-size: 13px; color: #fff; }
.ka-fe-banner-item .ka-fe-form-group { padding: 0 16px 12px; }

/* ── Range buttons ── */
.ka-fe-range { display: flex; gap: 6px; }
.ka-fe-range-btn { padding: 5px 14px; border-radius: 20px; font-size: 11px; font-weight: 600; text-decoration: none; color: var(--ka-muted); background: var(--ka-surface2); transition: all .2s; }
.ka-fe-range-btn.active { background: var(--ka-accent); color: #fff; }

/* ── Pagination ── */
.ka-fe-pagination { display: flex; gap: 6px; margin-top: 16px; flex-wrap: wrap; }
.ka-fe-page-btn { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 8px; font-size: 12px; text-decoration: none; color: var(--ka-muted); background: var(--ka-surface2); transition: all .2s; }
.ka-fe-page-btn.active { background: var(--ka-accent); color: #fff; }

/* ── Status ── */
.ka-status-approved { background: rgba(16,185,129,.15); color: #34d399; border-radius: 20px; }
.ka-status-pending  { background: rgba(245,158,11,.15); color: #fbbf24; border-radius: 20px; }
.ka-status-cancelled,.ka-status-rejected { background: rgba(239,68,68,.15); color: #f87171; border-radius: 20px; }
.ka-status-active   { background: rgba(16,185,129,.15); color: #34d399; border-radius: 20px; }
.ka-status-inactive { background: rgba(239,68,68,.15); color: #f87171; border-radius: 20px; }
.ka-status-paid     { background: rgba(59,130,246,.15); color: #60a5fa; border-radius: 20px; }
.ka-status { display: inline-block; padding: 3px 10px; font-size: 11px; font-weight: 600; }

/* ── Notices ── */
.ka-fe-notice { background: var(--ka-surface); border: 1px solid var(--ka-border); border-radius: var(--ka-radius); padding: 18px 24px; font-size: 14px; display: flex; align-items: center; gap: 10px; }
.ka-fe-pending { border-color: rgba(245,158,11,.3); color: #fbbf24; }
.ka-fe-error   { border-color: rgba(239,68,68,.3); color: #f87171; }
.ka-fe-success { border-color: rgba(16,185,129,.3); color: #34d399; }

/* ── Auth ── */
.ka-fe-auth-wrap { display: flex; align-items: center; justify-content: center; min-height: 480px; padding: 32px; background: var(--ka-bg); }
.ka-fe-auth-card { background: var(--ka-surface); border: 1px solid var(--ka-border); border-radius: 20px; padding: 40px; width: 100%; max-width: 440px; box-shadow: var(--ka-glow); }
.ka-fe-auth-logo { font-size: 48px; color: var(--ka-accent); text-align: center; margin-bottom: 16px; }
.ka-fe-auth-card h2 { font-size: 22px; font-weight: 700; color: #fff; text-align: center; margin: 0 0 8px; }
.ka-fe-auth-sub { font-size: 13px; color: var(--ka-muted); text-align: center; margin: 0 0 24px; }
.ka-fe-auth-divider { text-align: center; color: var(--ka-muted); font-size: 12px; margin: 16px 0; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .ka-fe-wrap { flex-direction: column; }
  .ka-fe-sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--ka-border); }
  .ka-fe-nav { flex-direction: row; flex-wrap: wrap; gap: 6px; padding: 12px; }
  .ka-fe-nav-item { padding: 8px 10px; font-size: 11px; }
  .ka-fe-nav-item span { display: none; }
  .ka-fe-link-cards { grid-template-columns: 1fr; }
  .ka-fe-form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .ka-fe-kpi-grid { grid-template-columns: repeat(2,1fr); }
  .ka-fe-balance-amount { font-size: 32px; }
}