/* ============================================================
   Mail Panel — motyw wizualny (Etap 1)
   Sidebar + dark mode + dopracowane karty/tabele/toasty
   ============================================================ */

:root {
  --mp-sidebar-bg: #16213e;
  --mp-sidebar-bg2: #0f1830;
  --mp-sidebar-fg: #c7d0e0;
  --mp-sidebar-fg-muted: #7f8db0;
  --mp-accent: #2dd4bf;
  --mp-accent-soft: rgba(45, 212, 191, .14);
  --mp-sidebar-width: 256px;
}

/* ---------- Layout ---------- */
body { min-height: 100vh; }

.mp-shell { min-height: 100vh; }

.mp-sidebar {
  width: var(--mp-sidebar-width);
  background: linear-gradient(180deg, var(--mp-sidebar-bg) 0%, var(--mp-sidebar-bg2) 100%);
  color: var(--mp-sidebar-fg);
}

@media (min-width: 992px) {
  .mp-sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    overflow-y: auto;
    z-index: 1030;
  }
  .mp-content { margin-left: var(--mp-sidebar-width); }
}

.mp-content { flex: 1 1 auto; display: flex; flex-direction: column; min-width: 0; }
.mp-main { flex: 1 0 auto; }

/* ---------- Sidebar brand ---------- */
.mp-brand {
  display: flex; align-items: center; gap: .6rem;
  padding: 1rem 1.25rem;
  font-size: 1.15rem; font-weight: 700;
  color: #fff; text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.mp-brand .mp-logo {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--mp-accent); color: #07241f;
  display: grid; place-items: center; font-size: 1.1rem;
}

/* ---------- Sidebar nav ---------- */
.mp-nav { padding: .5rem .65rem 2rem; }
.mp-nav-group {
  font-size: .68rem; text-transform: uppercase; letter-spacing: .09em;
  color: var(--mp-sidebar-fg-muted); font-weight: 700;
  padding: 1rem .85rem .35rem;
}
.mp-nav .nav-link {
  display: flex; align-items: center; gap: .7rem;
  color: var(--mp-sidebar-fg);
  border-radius: 9px;
  padding: .5rem .85rem;
  margin-bottom: 2px;
  font-size: .92rem;
  transition: background .12s ease, color .12s ease;
}
.mp-nav .nav-link i { font-size: 1.05rem; width: 1.2rem; text-align: center; opacity: .85; }
.mp-nav .nav-link:hover { background: rgba(255,255,255,.06); color: #fff; }
.mp-nav .nav-link.active {
  background: var(--mp-accent-soft);
  color: #fff;
  box-shadow: inset 3px 0 0 var(--mp-accent);
}
.mp-nav .nav-link.active i { opacity: 1; color: var(--mp-accent); }

/* ---------- Topbar ---------- */
.mp-topbar {
  position: sticky; top: 0; z-index: 1020;
  display: flex; align-items: center; gap: .75rem;
  padding: .6rem 1rem;
  background: var(--bs-body-bg);
  border-bottom: 1px solid var(--bs-border-color);
}
.mp-topbar .mp-title { font-weight: 600; font-size: 1.05rem; margin: 0; }

/* ---------- Cards / KPI ---------- */
.card { border: 1px solid var(--bs-border-color); }
.mp-kpi { border: none; border-radius: 14px; overflow: hidden; }
.mp-kpi .mp-kpi-body { display: flex; align-items: center; gap: 1rem; padding: 1.15rem 1.25rem; }
.mp-kpi .mp-kpi-icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: grid; place-items: center; font-size: 1.5rem;
  background: rgba(255,255,255,.22);
}
.mp-kpi .mp-kpi-num { font-size: 2rem; font-weight: 700; line-height: 1; }
.mp-kpi .mp-kpi-label { opacity: .9; font-size: .9rem; }

/* ---------- Misc ---------- */
.mp-stat-icon { font-size: 1.25rem; }
.spin { animation: mp-spin 1s linear infinite; }
@keyframes mp-spin { to { transform: rotate(360deg); } }

footer.mp-footer { font-size: .82rem; color: var(--bs-secondary-color); }

/* Toast stack */
.mp-toasts { position: fixed; bottom: 1rem; right: 1rem; z-index: 1090; }