/* ─── Hovedo Admin — Sprint A 2026-05-28 ─────────────────────────
   Paleta Hovedo + sidebar premium + cards modernos.
   Referência: Dribbble Asad SaaS Revenue Growth Dashboard.
   ───────────────────────────────────────────────────────────────── */

:root {
  --color-bg:          #F9FAFB;
  --color-surface:     #FFFFFF;
  --color-border:      #E5E7EB;
  --color-border-hov:  #D1D5DB;
  --color-text:        #111827;
  --color-text-2:      #6B7280;
  --color-text-3:      #9CA3AF;

  --color-primary:     #6D28D9;
  --color-primary-h:   #5B21B6;
  --color-primary-l:   #EDE9FE;

  --color-success:     #10B981;
  --color-warning:     #F59E0B;
  --color-bad:         #F97316;
  --color-error:       #EF4444;
  --color-critical:    #B91C1C;
  --color-offline:     #9CA3AF;

  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;

  --shadow-card:       0 1px 3px rgba(0,0,0,0.05);
  --shadow-card-hov:   0 4px 12px rgba(0,0,0,0.08);
  --shadow-modal:      0 25px 50px -12px rgba(0,0,0,0.25);

  --sidebar-w: 240px;
  --sidebar-w-collapsed: 60px;
  --topbar-h: 64px;
  --banner-h: 32px;
}

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

html, body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ─── Banner Admin (vermelho fixo topo) ─── */
.admin-banner {
  position: fixed; top: 0; left: 0; right: 0; height: var(--banner-h); z-index: 100;
  background: linear-gradient(90deg, #B91C1C, #DC2626);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; letter-spacing: 0.02em;
}

/* ─── Layout master ─── */
.admin-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: calc(100vh - var(--banner-h));
  padding-top: var(--banner-h);
}
.admin-layout.collapsed { grid-template-columns: var(--sidebar-w-collapsed) 1fr; }

/* ─── Sidebar ─── */
.admin-sidebar {
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: 20px 12px 20px;
  display: flex; flex-direction: column;
  position: sticky; top: var(--banner-h); height: calc(100vh - var(--banner-h));
  overflow-y: auto;
}

.admin-sidebar-logo {
  display: flex; align-items: center; gap: 10px;
  padding: 0 8px 24px;
  font-weight: 700; font-size: 18px; color: var(--color-text);
}
.admin-sidebar-logo .badge {
  display: inline-block; padding: 2px 8px; background: var(--color-primary-l); color: var(--color-primary);
  border-radius: var(--r-sm); font-size: 11px; font-weight: 600; letter-spacing: 0.04em;
}

.admin-sidebar-nav { display: flex; flex-direction: column; gap: 2px; }

.admin-sidebar-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: var(--r-md);
  color: var(--color-text-2); font-weight: 500; font-size: 14px;
  text-decoration: none;
  transition: background 120ms, color 120ms;
}
.admin-sidebar-item:hover {
  background: var(--color-primary-l); color: var(--color-primary);
}
.admin-sidebar-item.active {
  background: var(--color-primary); color: #fff;
}
.admin-sidebar-item .icon {
  width: 18px; height: 18px; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
}
.admin-sidebar-item .label { white-space: nowrap; }

.admin-layout.collapsed .admin-sidebar-item .label,
.admin-layout.collapsed .admin-sidebar-logo .text { display: none; }

.admin-sidebar-spacer { flex: 1; }
.admin-sidebar-bottom { border-top: 1px solid var(--color-border); padding-top: 12px; margin-top: 12px; }

/* ─── Topbar ─── */
.admin-topbar {
  height: var(--topbar-h);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center;
  padding: 0 24px; gap: 16px;
  position: sticky; top: var(--banner-h); z-index: 50;
}
.admin-topbar-search {
  flex: 1; max-width: 480px;
  position: relative;
}
.admin-topbar-search input {
  width: 100%; height: 40px;
  border: 1px solid var(--color-border); border-radius: var(--r-md);
  padding: 0 12px 0 38px; font-size: 14px;
  background: var(--color-bg);
}
.admin-topbar-search input:focus {
  outline: 2px solid var(--color-primary-l); border-color: var(--color-primary);
}
.admin-topbar-search .search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--color-text-3); }

.admin-topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }

.admin-bell {
  position: relative; width: 40px; height: 40px;
  border-radius: var(--r-md); display: flex; align-items: center; justify-content: center;
  color: var(--color-text-2);
}
.admin-bell:hover { background: var(--color-primary-l); color: var(--color-primary); }
.admin-bell .dot {
  position: absolute; top: 8px; right: 8px;
  background: var(--color-error); color: #fff; font-size: 10px; font-weight: 700;
  min-width: 16px; height: 16px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 4px;
}

.admin-avatar {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 12px 6px 6px; border-radius: var(--r-md);
}
.admin-avatar:hover { background: var(--color-primary-l); }
.admin-avatar .circle {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), #8B5CF6);
  color: #fff; font-weight: 700; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.admin-avatar .name { font-weight: 500; }

/* ─── Conteúdo ─── */
.admin-content {
  padding: 24px 32px 48px;
  max-width: 1440px; width: 100%; margin: 0 auto;
}
.admin-content h1 {
  font-size: 24px; font-weight: 700; margin-bottom: 4px;
}
.admin-content .subtitle {
  color: var(--color-text-2); font-size: 14px; margin-bottom: 24px;
}
.admin-content .page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
}

/* ─── Cards ─── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
}
.card:hover { box-shadow: var(--shadow-card-hov); }
.card h3 { font-size: 13px; font-weight: 500; color: var(--color-text-2); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.04em; }
.card .value { font-size: 28px; font-weight: 600; color: var(--color-text); }
.card .trend { font-size: 13px; margin-top: 4px; font-weight: 500; }
.card .trend.up { color: var(--color-success); }
.card .trend.down { color: var(--color-error); }
.card .trend.neutral { color: var(--color-text-2); }

.cards-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: 24px;
}

/* ─── Tabela ─── */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.admin-table th {
  background: var(--color-bg);
  text-align: left; padding: 12px 16px;
  font-size: 12px; font-weight: 600; color: var(--color-text-2);
  text-transform: uppercase; letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-border);
}
.admin-table td {
  padding: 14px 16px; font-size: 14px;
  border-bottom: 1px solid var(--color-border);
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--color-bg); }

.badge {
  display: inline-block; padding: 3px 10px;
  border-radius: 20px; font-size: 12px; font-weight: 600;
}
.badge.green   { background: #D1FAE5; color: #065F46; }
.badge.yellow  { background: #FEF3C7; color: #92400E; }
.badge.orange  { background: #FFEDD5; color: #9A3412; }
.badge.red     { background: #FEE2E2; color: #991B1B; }
.badge.gray    { background: #F3F4F6; color: #4B5563; }
.badge.purple  { background: var(--color-primary-l); color: var(--color-primary); }

.status-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  margin-right: 6px; vertical-align: middle;
}
.status-dot.green   { background: var(--color-success); }
.status-dot.yellow  { background: var(--color-warning); }
.status-dot.orange  { background: var(--color-bad); }
.status-dot.red     { background: var(--color-error); }
.status-dot.gray    { background: var(--color-offline); }

/* ─── Botões ─── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; height: 38px;
  border-radius: var(--r-md);
  font-size: 14px; font-weight: 500;
  background: var(--color-surface); color: var(--color-text);
  border: 1px solid var(--color-border);
  cursor: pointer; transition: all 120ms;
}
.btn:hover { border-color: var(--color-border-hov); background: var(--color-bg); }
.btn.primary {
  background: var(--color-primary); color: #fff; border-color: var(--color-primary);
}
.btn.primary:hover { background: var(--color-primary-h); border-color: var(--color-primary-h); }
.btn.danger {
  background: var(--color-error); color: #fff; border-color: var(--color-error);
}
.btn.danger:hover { background: #DC2626; }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { background: var(--color-primary-l); color: var(--color-primary); }
.btn.small { height: 30px; padding: 4px 10px; font-size: 12px; }

/* ─── Modal ─── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  z-index: 200; display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.modal {
  background: var(--color-surface); border-radius: var(--r-xl);
  box-shadow: var(--shadow-modal);
  max-width: 720px; width: 100%; max-height: calc(100vh - 48px); overflow-y: auto;
  padding: 24px;
}
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.modal-header h2 { font-size: 20px; font-weight: 700; }
.modal-close { font-size: 24px; line-height: 1; color: var(--color-text-2); padding: 4px 8px; }
.modal-close:hover { color: var(--color-text); }

/* ─── Filtros ─── */
.filters-bar {
  display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px;
}
.filter-select {
  padding: 8px 12px; height: 38px;
  border: 1px solid var(--color-border); border-radius: var(--r-md);
  font-size: 14px; background: var(--color-surface);
}

/* ─── Sininho dropdown ─── */
.bell-dropdown {
  position: absolute; top: calc(var(--topbar-h) + var(--banner-h) + 4px);
  right: 100px; width: 380px; max-height: 480px; overflow-y: auto;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--r-lg); box-shadow: var(--shadow-modal);
  z-index: 60; display: none;
}
.bell-dropdown.open { display: block; }
.bell-item { padding: 12px 16px; border-bottom: 1px solid var(--color-border); cursor: pointer; }
.bell-item:hover { background: var(--color-bg); }
.bell-item .title { font-weight: 600; font-size: 14px; margin-bottom: 2px; }
.bell-item .body { font-size: 13px; color: var(--color-text-2); }
.bell-item .when { font-size: 11px; color: var(--color-text-3); margin-top: 4px; }

/* ─── Heatmap Cohort ─── */
.cohort-table {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--r-lg); padding: 16px;
  overflow-x: auto;
}
.cohort-grid {
  display: grid; gap: 4px;
  grid-template-columns: 80px repeat(13, 56px);
  font-size: 12px;
}
.cohort-grid > div {
  padding: 8px 6px; text-align: center;
  border-radius: 4px;
  font-weight: 500;
}
.cohort-grid .cohort-label {
  text-align: left; padding-left: 0; color: var(--color-text-2); font-size: 13px;
}
.cohort-grid .h0  { background: #ECFDF5; color: #065F46; }
.cohort-grid .h1  { background: #D1FAE5; color: #065F46; }
.cohort-grid .h2  { background: #A7F3D0; color: #065F46; }
.cohort-grid .h3  { background: #FEF3C7; color: #78350F; }
.cohort-grid .h4  { background: #FED7AA; color: #7C2D12; }
.cohort-grid .h5  { background: #FECACA; color: #7F1D1D; }
.cohort-grid .empty { background: transparent; }

/* ─── Loader ─── */
.loader {
  display: inline-block; width: 16px; height: 16px;
  border: 2px solid var(--color-border); border-top-color: var(--color-primary);
  border-radius: 50%; animation: spin 700ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Util ─── */
.flex { display: flex; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.muted { color: var(--color-text-2); }
.right { text-align: right; }
.hidden { display: none; }

/* ─── Login admin ─── */
.admin-login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--color-bg); padding: 24px;
}
.admin-login-card {
  background: var(--color-surface); border-radius: var(--r-xl);
  padding: 32px; max-width: 420px; width: 100%;
  box-shadow: var(--shadow-modal);
}
.admin-login-card h1 { font-size: 24px; margin-bottom: 4px; }
.admin-login-card p.subtitle { margin-bottom: 24px; color: var(--color-text-2); }
.admin-login-card label { display: block; font-weight: 500; font-size: 14px; margin: 12px 0 6px; }
.admin-login-card input[type=email], .admin-login-card input[type=password], .admin-login-card input[type=text] {
  width: 100%; height: 44px;
  border: 1px solid var(--color-border); border-radius: var(--r-md);
  padding: 0 14px; font-size: 14px;
}
.admin-login-card input:focus {
  outline: 2px solid var(--color-primary-l); border-color: var(--color-primary);
}
.admin-login-card .btn.primary { width: 100%; height: 44px; margin-top: 16px; }
.admin-login-card .error { color: var(--color-error); font-size: 13px; margin-top: 12px; }