/* =============================================
   BestSystems Master Panel — Design System
   ============================================= */

:root {
  /* Colors */
  --bg-deep:       #080b14;
  --bg-base:       #0d1117;
  --surface:       #161b27;
  --surface-2:     #1e2535;
  --border:        rgba(99,102,241,.18);
  --border-hover:  rgba(99,102,241,.4);

  --accent:        #6366f1;
  --accent-hover:  #818cf8;
  --accent-dim:    rgba(99,102,241,.15);

  --success:       #10b981;
  --warning:       #f59e0b;
  --danger:        #ef4444;
  --info:          #3b82f6;

  --text-primary:  #f1f5f9;
  --text-secondary:#94a3b8;
  --text-muted:    #475569;

  --input-bg:      #0f1520;

  --grad-primary:  linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --grad-success:  linear-gradient(135deg, #10b981 0%, #059669 100%);
  --grad-danger:   linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  --grad-warning:  linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --grad-info:     linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);

  --radius-sm:     .5rem;
  --radius-md:     .75rem;
  --radius-lg:     1.25rem;
  --radius-xl:     1.5rem;

  --shadow-card:   0 4px 24px rgba(0,0,0,.4);
  --shadow-glow:   0 0 20px rgba(99,102,241,.25);

  --sidebar-w:     260px;
  --header-h:      64px;
  --transition:    .2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ===================== LAYOUT ===================== */
.bs-layout { display: flex; min-height: 100vh; }

/* Sidebar */
.bs-sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform var(--transition);
}

.bs-sidebar-logo {
  padding: 1.5rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
}
.bs-sidebar-logo .brand {
  font-size: 1.25rem;
  font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.bs-sidebar-logo .subtitle {
  font-size: .72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-top: .2rem;
}

.bs-nav { flex: 1; padding: 1rem 0; overflow-y: auto; }

.bs-nav-section {
  padding: .5rem 1.25rem .25rem;
  font-size: .68rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .12em;
}

.bs-nav-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .7rem 1.25rem;
  color: var(--text-secondary);
  font-size: .88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  border-left: 3px solid transparent;
  text-decoration: none;
}
.bs-nav-item:hover {
  background: var(--accent-dim);
  color: var(--text-primary);
}
.bs-nav-item.active {
  background: var(--accent-dim);
  color: var(--accent-hover);
  border-left-color: var(--accent);
}
.bs-nav-item .icon { font-size: 1.1rem; width: 20px; text-align: center; }

.bs-sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  font-size: .8rem;
  color: var(--text-muted);
}
.bs-sidebar-footer .admin-name { font-weight: 600; color: var(--text-secondary); }

/* Main Content */
.bs-main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.bs-header {
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 2rem;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 50;
}
.bs-header h1 { font-size: 1.1rem; font-weight: 700; flex: 1; }
.bs-header .header-actions { display: flex; gap: .75rem; align-items: center; }

/* Page Body */
.bs-body { padding: 2rem; flex: 1; }

/* ===================== COMPONENTS ===================== */

/* Cards */
.bs-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}
.bs-card:hover { border-color: var(--border-hover); }
.bs-card-title {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: .5rem;
}
.bs-card-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}
.bs-card-sub {
  font-size: .8rem;
  color: var(--text-muted);
  margin-top: .4rem;
}

/* Grid */
.bs-grid { display: grid; gap: 1.25rem; }
.bs-grid-4 { grid-template-columns: repeat(4, 1fr); }
.bs-grid-3 { grid-template-columns: repeat(3, 1fr); }
.bs-grid-2 { grid-template-columns: repeat(2, 1fr); }

/* Stat Cards */
.bs-stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.bs-stat-card::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 80px; height: 80px;
  border-radius: 50%;
  opacity: .08;
  transform: translate(20px, -20px);
}
.bs-stat-card.accent::before { background: var(--accent); }
.bs-stat-card.success::before { background: var(--success); }
.bs-stat-card.warning::before { background: var(--warning); }
.bs-stat-card.danger::before { background: var(--danger); }
.bs-stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.stat-icon {
  width: 42px; height: 42px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.stat-icon.accent { background: var(--accent-dim); }
.stat-icon.success { background: rgba(16,185,129,.12); }
.stat-icon.warning { background: rgba(245,158,11,.12); }
.stat-icon.danger  { background: rgba(239,68,68,.12); }

/* Buttons */
.bs-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .65rem 1.25rem;
  border-radius: var(--radius-md);
  border: none; cursor: pointer;
  font-size: .88rem; font-weight: 600; font-family: inherit;
  transition: all var(--transition);
  text-decoration: none;
}
.bs-btn:hover { transform: translateY(-1px); opacity: .9; }
.bs-btn:active { transform: translateY(0); }
.bs-btn-primary { background: var(--grad-primary); color: #fff; }
.bs-btn-success { background: var(--grad-success); color: #fff; }
.bs-btn-danger  { background: var(--grad-danger);  color: #fff; }
.bs-btn-warning { background: var(--grad-warning);  color: #fff; }
.bs-btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.bs-btn-ghost:hover { border-color: var(--border-hover); color: var(--text-primary); }
.bs-btn-sm { padding: .45rem .9rem; font-size: .8rem; }
.bs-btn-icon { padding: .65rem; }

/* Tables */
.bs-table-wrap { overflow-x: auto; }
.bs-table {
  width: 100%; border-collapse: collapse;
  font-size: .88rem;
}
.bs-table th {
  padding: .75rem 1rem;
  text-align: left;
  font-size: .72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  border-bottom: 1px solid var(--border);
}
.bs-table td {
  padding: .9rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,.04);
  color: var(--text-secondary);
  vertical-align: middle;
}
.bs-table tr:last-child td { border-bottom: none; }
.bs-table tr:hover td { background: rgba(99,102,241,.04); color: var(--text-primary); }

/* Badges */
.bs-badge {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .25rem .65rem;
  border-radius: 999px;
  font-size: .75rem; font-weight: 600;
}
.bs-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; display: inline-block; }
.bs-badge-ativo   { background: rgba(16,185,129,.15); color: #34d399; }
.bs-badge-ativo::before { background: #34d399; }
.bs-badge-trial   { background: rgba(99,102,241,.15); color: #818cf8; }
.bs-badge-trial::before { background: #818cf8; }
.bs-badge-bloqueado { background: rgba(239,68,68,.15); color: #f87171; }
.bs-badge-bloqueado::before { background: #f87171; }
.bs-badge-suspenso  { background: rgba(245,158,11,.15); color: #fbbf24; }
.bs-badge-suspenso::before { background: #fbbf24; }

/* Forms */
.bs-form-group { margin-bottom: 1.2rem; }
.bs-form-group label { display: block; font-size: .82rem; font-weight: 500; color: var(--text-secondary); margin-bottom: .5rem; }
.bs-input {
  width: 100%; padding: .8rem 1rem;
  background: var(--input-bg); border: 1px solid var(--border);
  border-radius: var(--radius-md); color: var(--text-primary);
  font-size: .92rem; font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.bs-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.bs-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }

/* Alerts */
.bs-alert { padding: .85rem 1.1rem; border-radius: var(--radius-md); font-size: .88rem; margin-bottom: 1rem; }
.bs-alert-success { background: rgba(16,185,129,.12); border: 1px solid rgba(16,185,129,.3); color: #6ee7b7; }
.bs-alert-danger  { background: rgba(239,68,68,.12);  border: 1px solid rgba(239,68,68,.3);  color: #fca5a5; }
.bs-alert-warning { background: rgba(245,158,11,.12); border: 1px solid rgba(245,158,11,.3); color: #fcd34d; }
.bs-alert-info    { background: rgba(59,130,246,.12); border: 1px solid rgba(59,130,246,.3); color: #93c5fd; }

/* Modal */
.bs-modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,.7); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center;
  padding: 1rem;
}
.bs-modal-overlay.open { display: flex; }
.bs-modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%; max-width: 520px;
  max-height: 90vh; overflow-y: auto;
  box-shadow: 0 40px 80px rgba(0,0,0,.6);
  animation: modalIn .2s ease;
}
@keyframes modalIn { from { opacity:0; transform: scale(.95) translateY(10px); } to { opacity:1; transform: none; } }
.bs-modal-header {
  padding: 1.5rem; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.bs-modal-header h2 { font-size: 1.1rem; font-weight: 700; }
.bs-modal-body { padding: 1.5rem; }
.bs-modal-footer {
  padding: 1.25rem 1.5rem; border-top: 1px solid var(--border);
  display: flex; gap: .75rem; justify-content: flex-end;
}

/* Toast */
#bs-toast-container {
  position: fixed; top: 1.5rem; right: 1.5rem;
  z-index: 9999; display: flex; flex-direction: column; gap: .6rem;
}
.bs-toast {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: .85rem 1.2rem;
  font-size: .88rem; color: var(--text-primary);
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  display: flex; align-items: center; gap: .75rem;
  animation: toastIn .3s ease;
  max-width: 360px;
}
.bs-toast.success { border-left: 3px solid var(--success); }
.bs-toast.danger  { border-left: 3px solid var(--danger); }
.bs-toast.warning { border-left: 3px solid var(--warning); }
@keyframes toastIn { from { opacity:0; transform: translateX(20px); } to { opacity:1; transform: none; } }

/* Ping dot */
.ping-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.ping-dot.online  { background: var(--success); box-shadow: 0 0 6px var(--success); }
.bs-dot.offline { background: #64748b; }

/* Responsive */
@media (max-width: 1024px) {
  .bs-grid-4 { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .bs-sidebar { transform: translateX(-100%); }
  .bs-sidebar.open { transform: none; }
  .bs-main { margin-left: 0; }
  .bs-grid-4, .bs-grid-3, .bs-grid-2 { grid-template-columns: 1fr; }
  .bs-body { padding: 1rem; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* Misc */
.text-accent { color: var(--accent-hover); }
.text-muted  { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-warning { color: var(--warning); }
.fw-bold { font-weight: 700; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.justify-between { justify-content: space-between; }
.section-title { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 1.25rem; display: flex; align-items: center; gap: .6rem; }