/* ============================================================
   DLS Social — Design System
   Glassmorphism · gradients · dark/light · responsive
   No build step — plain CSS, loaded directly.
   ============================================================ */
:root {
  --bg: #f1f5f9;
  --bg-grad: linear-gradient(135deg, #eef2ff 0%, #f8fafc 40%, #ecfeff 100%);
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --glass: rgba(255, 255, 255, 0.72);
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --primary: #6366f1;
  --primary-2: #8b5cf6;
  --primary-grad: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --success: #16a34a;
  --info: #2563eb;
  --warning: #f59e0b;
  --danger: #dc2626;
  --shadow: 0 1px 3px rgba(15,23,42,.08), 0 8px 24px rgba(15,23,42,.06);
  --shadow-lg: 0 12px 40px rgba(99,102,241,.18);
  --radius: 16px;
  --radius-sm: 10px;
  --sb-w: 264px;
}
[data-theme="dark"] {
  --bg: #0f172a;                 /* premium dark base */
  --bg-grad: radial-gradient(1100px 560px at 85% -12%, #312e81 0%, transparent 55%), linear-gradient(160deg,#0f172a 0%,#0b1120 100%);
  --surface: #111827;           /* card */
  --surface-2: #0f172a;
  --glass: rgba(17, 24, 39, 0.72);
  --border: rgba(255,255,255,.08);
  --text: #e5e7eb;
  --text-muted: #94a3b8;
  --shadow: 0 1px 3px rgba(0,0,0,.45), 0 10px 30px rgba(0,0,0,.35);
  --shadow-lg: 0 18px 50px rgba(0,0,0,.5);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg-grad); background-attachment: fixed;
  color: var(--text); font-size: 14px; line-height: 1.55;
  min-height: 100vh; -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }

/* ── Layout ─────────────────────────────────────────────── */
#sidebar {
  position: fixed; inset: 0 auto 0 0; width: var(--sb-w);
  background: linear-gradient(180deg, #0f172a 0%, #131c33 100%);
  display: flex; flex-direction: column; z-index: 1040;
  transition: transform .28s cubic-bezier(.4,0,.2,1); overflow-y: auto;
}
.sb-logo { display: flex; align-items: center; gap: .65rem; padding: 1.15rem 1.1rem; }
.sb-logo-icon {
  width: 38px; height: 38px; border-radius: 11px; background: var(--primary-grad);
  display: grid; place-items: center; box-shadow: 0 6px 18px rgba(99,102,241,.45);
}
.sb-brand-switcher { padding: 0 1rem .5rem; }
.sb-brand-select {
  width: 100%; padding: .6rem .75rem; border-radius: var(--radius-sm);
  background: rgba(255,255,255,.06); color: #fff; border: 1px solid rgba(255,255,255,.1);
  font-size: .82rem; cursor: pointer; transition: .2s;
}
.sb-brand-select:hover { background: rgba(255,255,255,.1); }
.sb-brand-select option { background: #131c33; color: #fff; }
.sb-nav { padding: .5rem .6rem; flex: 1; }
.sb-section { color: #475569; font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; padding: .9rem .75rem .35rem; }
.sb-link {
  display: flex; align-items: center; gap: .7rem; padding: .62rem .8rem; margin: .12rem 0;
  border-radius: var(--radius-sm); color: #94a3b8; font-weight: 500; transition: .18s; position: relative;
}
.sb-link i { font-size: 1.05rem; width: 20px; text-align: center; }
.sb-link:hover { background: rgba(255,255,255,.06); color: #e2e8f0; }
.sb-link.active { background: var(--primary-grad); color: #fff; box-shadow: 0 6px 16px rgba(99,102,241,.4); }
.sb-foot { padding: .8rem 1rem; border-top: 1px solid rgba(255,255,255,.07); }

#main { margin-left: var(--sb-w); min-height: 100vh; transition: margin .28s; }
.topbar {
  position: sticky; top: 0; z-index: 1030; display: flex; align-items: center; gap: 1rem;
  padding: .8rem 1.4rem; background: var(--glass); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 1.05rem; font-weight: 700; margin: 0; }
.content { padding: 1.4rem; max-width: 1500px; }

.icon-btn {
  width: 40px; height: 40px; border-radius: 11px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); display: grid; place-items: center;
  cursor: pointer; transition: .18s; position: relative;
}
.icon-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.badge-dot { position: absolute; top: 6px; right: 7px; min-width: 16px; height: 16px; padding: 0 3px;
  background: var(--danger); color: #fff; border-radius: 9px; font-size: .6rem; display: grid; place-items: center; font-weight: 700; }

/* ── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.card-pad { padding: 1.1rem 1.2rem; }
.card-header { padding: 1rem 1.2rem; border-bottom: 1px solid var(--border); font-weight: 600; }
.kpi {
  position: relative; padding: 1.2rem; border-radius: var(--radius); color: #fff;
  background: var(--primary-grad); box-shadow: var(--shadow-lg); overflow: hidden;
}
.kpi.k2 { background: linear-gradient(135deg,#06b6d4,#3b82f6); }
.kpi.k3 { background: linear-gradient(135deg,#f59e0b,#ef4444); }
.kpi.k4 { background: linear-gradient(135deg,#10b981,#22c55e); }
.kpi .kpi-icon { position: absolute; right: -8px; top: -8px; font-size: 4.5rem; opacity: .16; }
.kpi .kpi-label { font-size: .78rem; opacity: .92; font-weight: 500; }
.kpi .kpi-value { font-size: 1.9rem; font-weight: 800; line-height: 1.1; margin-top: .25rem; }
.kpi .kpi-trend { font-size: .74rem; margin-top: .35rem; opacity: .95; }

/* ── Buttons / forms ────────────────────────────────────── */
.btn { display:inline-flex; align-items:center; gap:.45rem; padding:.6rem 1.05rem; border-radius:var(--radius-sm);
  border:1px solid transparent; font-weight:600; font-size:.85rem; cursor:pointer; transition:.18s; }
.btn-primary { background: var(--primary-grad); color:#fff; box-shadow:0 6px 16px rgba(99,102,241,.35); }
.btn-primary:hover { transform: translateY(-1px); box-shadow:0 10px 22px rgba(99,102,241,.45); }
.btn-light { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-light:hover { background: var(--surface-2); }
.btn-danger { background: var(--danger); color:#fff; }
.btn-block { width: 100%; justify-content: center; }
.form-label { font-size:.8rem; font-weight:600; margin-bottom:.3rem; display:block; color: var(--text); }
.form-control, .form-select {
  width:100%; padding:.62rem .8rem; border-radius:var(--radius-sm); border:1px solid var(--border);
  background: var(--surface); color: var(--text); font-size:.86rem; transition:.18s;
}
.form-control:focus, .form-select:focus { outline:none; border-color: var(--primary); box-shadow:0 0 0 3px rgba(99,102,241,.18); }
textarea.form-control { resize: vertical; min-height: 90px; }

.badge { display:inline-block; padding:.22rem .55rem; border-radius:8px; font-size:.7rem; font-weight:700; }
.badge.success { background: rgba(22,163,74,.14); color: var(--success); }
.badge.info { background: rgba(37,99,235,.14); color: var(--info); }
.badge.secondary { background: rgba(100,116,139,.16); color: var(--text-muted); }
.badge.danger { background: rgba(220,38,38,.14); color: var(--danger); }
.badge.warning { background: rgba(245,158,11,.16); color: var(--warning); }

table.tbl { width:100%; border-collapse: collapse; }
table.tbl th { text-align:left; font-size:.72rem; text-transform:uppercase; letter-spacing:.04em; color:var(--text-muted); padding:.7rem .8rem; border-bottom:1px solid var(--border); }
table.tbl td { padding:.75rem .8rem; border-bottom:1px solid var(--border); font-size:.85rem; }
table.tbl tr:hover td { background: var(--surface-2); }

/* ── Dropdown (fixed overlap: high z-index + isolation) ── */
.dd { position: relative; }
.dd-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 280px; z-index: 2000;
  background: var(--surface); border:1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); overflow: hidden; display: none;
}
.dd-menu.open { display: block; animation: ddIn .16s ease; }
@keyframes ddIn { from { opacity:0; transform: translateY(-6px);} to {opacity:1; transform:none;} }
.dd-item { display:flex; gap:.6rem; padding:.7rem .9rem; border-bottom:1px solid var(--border); cursor:pointer; }
.dd-item:hover { background: var(--surface-2); }

/* ── Loading / skeleton ─────────────────────────────────── */
.spinner { width:34px; height:34px; border:3px solid var(--border); border-top-color: var(--primary); border-radius:50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg);} }
.skeleton { background: linear-gradient(90deg, var(--surface-2) 25%, var(--border) 37%, var(--surface-2) 63%); background-size: 400% 100%; animation: sk 1.3s ease infinite; border-radius:8px; }
@keyframes sk { 0%{background-position:100% 0;} 100%{background-position:-100% 0;} }

.fade-up { animation: fadeUp .45s cubic-bezier(.2,.7,.3,1) both; }
@keyframes fadeUp { from { opacity:0; transform: translateY(14px);} to {opacity:1; transform:none;} }

.grid { display:grid; gap: 1rem; }
.g-kpi { grid-template-columns: repeat(4, 1fr); }
.g-2 { grid-template-columns: 1fr 1fr; }
.g-3 { grid-template-columns: repeat(3,1fr); }
.media-grid { grid-template-columns: repeat(auto-fill, minmax(150px,1fr)); }

/* ── Responsive ─────────────────────────────────────────── */
.sb-toggle { display: none; }
.sb-overlay { display:none; position:fixed; inset:0; background:rgba(2,6,23,.5); z-index:1035; }
@media (max-width: 992px) {
  #sidebar { transform: translateX(-100%); }
  #sidebar.open { transform: none; }
  #main { margin-left: 0; }
  .sb-toggle { display: grid; }
  .sb-overlay.open { display: block; }
  .g-kpi { grid-template-columns: repeat(2,1fr); }
  .g-2, .g-3 { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .g-kpi { grid-template-columns: 1fr; }
  .content { padding: 1rem; }
}
.flash { padding:.8rem 1rem; border-radius:var(--radius-sm); margin-bottom:1rem; font-weight:500; }
.flash.success { background: rgba(22,163,74,.12); color: var(--success); border:1px solid rgba(22,163,74,.3); }
.flash.error { background: rgba(220,38,38,.12); color: var(--danger); border:1px solid rgba(220,38,38,.3); }

/* ── Dashboard redesign utilities ───────────────────────── */
.slide-up { animation: slideUp .5s cubic-bezier(.2,.7,.3,1) both; }
@keyframes slideUp { from { opacity:0; transform: translateY(22px);} to {opacity:1; transform:none;} }
.stagger > * { animation: slideUp .5s cubic-bezier(.2,.7,.3,1) both; }
.stagger > *:nth-child(1){ animation-delay:.04s } .stagger > *:nth-child(2){ animation-delay:.10s }
.stagger > *:nth-child(3){ animation-delay:.16s } .stagger > *:nth-child(4){ animation-delay:.22s }

.kpi { transition: transform .2s cubic-bezier(.2,.7,.3,1), box-shadow .2s; }
.kpi:hover { transform: translateY(-4px) scale(1.015); box-shadow: 0 20px 48px rgba(99,102,241,.34); }
.kpi-badge { display:inline-flex;align-items:center;gap:.25rem;padding:.2rem .5rem;border-radius:999px;background:rgba(255,255,255,.22);font-size:.72rem;font-weight:700;backdrop-filter:blur(4px); }

.hover-rise { transition: transform .2s, box-shadow .2s; }
.hover-rise:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.chart-card { border-radius: var(--radius); overflow: hidden; }
.chart-box { height: 320px; }
@media (max-width: 992px){ .chart-box { height: 260px; } }
@media (max-width: 560px){ .chart-box { height: 220px; } }
.chart-box.sm { height: 280px; }
@media (max-width: 992px){ .chart-box.sm { height: 240px; } }

/* Sidebar profile + storage */
.sb-profile { display:flex;gap:.6rem;align-items:center;padding:.6rem;border-radius:12px;background:rgba(255,255,255,.05);margin-bottom:.6rem; }
.sb-store { font-size:.7rem;color:#94a3b8;padding:.1rem .1rem .3rem; }
.sb-store-bar { height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:.3rem; }
.sb-store-bar > i { display:block;height:100%;border-radius:999px;background:var(--primary-grad); }

@media (prefers-reduced-motion: reduce){
  *, .fade-up, .slide-up, .stagger > *, .kpi { animation: none !important; transition: none !important; }
}