:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --primary-light: #eff6ff;
  --sidebar-bg: #1e293b;
  --sidebar-text: #94a3b8;
  --sidebar-active: #ffffff;
  --sidebar-hover: #334155;
  --bg: #f1f5f9;
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --hot: #ef4444;
  --warm: #f59e0b;
  --cold: #3b82f6;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* ===== Layout Admin ===== */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
  width: 240px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform .3s;
}

.sidebar-logo {
  padding: 24px 20px 20px;
  border-bottom: 1px solid #334155;
}

.sidebar-logo h1 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
}

.sidebar-logo span {
  font-size: 11px;
  color: var(--sidebar-text);
  display: block;
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #475569;
  padding: 14px 20px 6px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 14px;
  border-radius: 0;
  transition: background .15s, color .15s;
}

.sidebar-nav a:hover { background: var(--sidebar-hover); color: #e2e8f0; }
.sidebar-nav a.active { background: var(--primary); color: #fff; }

.sidebar-nav a svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
  opacity: .8;
}

.sidebar-nav a.active svg { opacity: 1; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid #334155;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-user-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600;
}

.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name { font-size: 13px; color: #e2e8f0; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { font-size: 11px; color: #64748b; }

.logout-btn {
  background: none; border: none; cursor: pointer;
  color: #64748b; padding: 4px;
  border-radius: 4px;
  transition: color .15s;
}
.logout-btn:hover { color: #ef4444; }

/* ===== Main content ===== */
.main {
  margin-left: 240px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

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

.content {
  padding: 28px;
  flex: 1;
}

/* ===== Cards ===== */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.card-header {
  padding: 18px 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.card-body { padding: 20px; }

/* ===== Stat cards ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

.stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.stat-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  float: right;
  margin-top: -4px;
}

.stat-icon.blue { background: #eff6ff; color: var(--primary); }
.stat-icon.green { background: #f0fdf4; color: var(--success); }
.stat-icon.yellow { background: #fffbeb; color: var(--warning); }
.stat-icon.red { background: #fef2f2; color: var(--danger); }

/* ===== Badges ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

.badge-hot { background: #fef2f2; color: var(--hot); }
.badge-warm { background: #fffbeb; color: var(--warm); }
.badge-cold { background: #eff6ff; color: var(--cold); }
.badge-active { background: #f0fdf4; color: var(--success); }
.badge-inactive { background: #f1f5f9; color: var(--text-muted); }
.badge-new { background: #f0fdf4; color: var(--success); }

/* ===== Tables ===== */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

thead th {
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  border-bottom: 1px solid var(--border);
  background: #f8fafc;
}

tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #f8fafc; }

.table-link { color: var(--primary); font-weight: 500; text-decoration: none; }
.table-link:hover { text-decoration: underline; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all .15s;
  text-decoration: none;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.btn-danger:hover { background: #fee2e2; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-icon { padding: 8px; border-radius: 8px; background: none; border: 1px solid var(--border); cursor: pointer; color: var(--text-muted); transition: all .15s; }
.btn-icon:hover { background: var(--bg); color: var(--text); }

/* ===== Forms ===== */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 500; color: var(--text); margin-bottom: 6px; }
.form-control {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text);
  background: var(--card-bg);
  transition: border-color .15s, box-shadow .15s;
  outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,130,246,.1); }
.form-control::placeholder { color: var(--text-muted); }

select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e"); background-repeat: no-repeat; background-position: right 10px center; background-size: 16px; padding-right: 36px; }

textarea.form-control { resize: vertical; min-height: 80px; }

.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--danger); margin-top: 4px; }

/* ===== Login ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.login-card {
  background: #fff;
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}

.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo h1 { font-size: 24px; font-weight: 700; color: var(--text); }
.login-logo p { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.login-card .form-control {
  height: 46px;
}

.btn-login {
  width: 100%;
  height: 46px;
  font-size: 15px;
  margin-top: 8px;
  justify-content: center;
}

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
}
.alert-error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  overflow-y: auto;          /* overlay scrollável para telas muito pequenas */
  opacity: 0; pointer-events: none;
  transition: opacity .2s;
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }

.modal {
  background: #fff;
  border-radius: var(--radius);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;          /* nunca ultrapassa 90% da tela */
  display: flex;
  flex-direction: column;    /* header fixo + body scroll + footer fixo */
  box-shadow: var(--shadow-md);
  transform: translateY(-20px);
  transition: transform .2s;
}
.modal-overlay.open .modal { transform: translateY(0); }

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0;            /* nunca comprime */
}
.modal-title { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; cursor: pointer; color: var(--text-muted); font-size: 20px; line-height: 1; }

.modal-body {
  padding: 24px;
  overflow-y: auto;          /* scroll interno quando o conteúdo for grande */
  flex: 1;
}
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 10px;
  flex-shrink: 0;            /* nunca comprime */
  background: #fff;          /* garante que fica sobre o conteúdo scrollado */
}

/* ===== Score bar ===== */
.score-bar-wrap { display: flex; align-items: center; gap: 10px; }
.score-bar { height: 6px; flex: 1; background: var(--border); border-radius: 999px; overflow: hidden; }
.score-bar-fill { height: 100%; border-radius: 999px; transition: width .4s ease; }
.score-bar-fill.hot { background: var(--hot); }
.score-bar-fill.warm { background: var(--warm); }
.score-bar-fill.cold { background: var(--cold); }

/* ===== Timeline ===== */
.timeline { position: relative; padding-left: 24px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: var(--border); }

.timeline-item { position: relative; margin-bottom: 20px; }
.timeline-dot {
  position: absolute; left: -20px; top: 3px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--primary);
}

.timeline-time { font-size: 11px; color: var(--text-muted); margin-bottom: 2px; }
.timeline-label { font-size: 14px; font-weight: 500; color: var(--text); }
.timeline-detail { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ===== Empty state ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state svg { width: 48px; height: 48px; margin-bottom: 16px; opacity: .3; }
.empty-state h3 { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.empty-state p { font-size: 14px; }

/* ===== Pagination ===== */
.pagination { display: flex; align-items: center; gap: 4px; justify-content: center; padding: 16px; }
.page-btn {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  font-size: 13px;
  cursor: pointer;
  color: var(--text);
  transition: all .15s;
}
.page-btn:hover { background: var(--bg); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:disabled { opacity: .4; cursor: default; }

/* ===== Tag/pill ===== */
.tag {
  display: inline-flex; align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px; font-weight: 500;
  background: var(--bg); color: var(--text-muted);
  border: 1px solid var(--border);
}

/* ===== Loading ===== */
.loading {
  display: flex; align-items: center; justify-content: center;
  padding: 60px 20px;
  color: var(--text-muted); font-size: 14px; gap: 10px;
}

.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .content { padding: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== Utilities ===== */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 13px; }
.font-semibold { font-weight: 600; }
.w-full { width: 100%; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ===== Page header ===== */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 24px; gap: 16px;
}
.page-header h2 { font-size: 20px; font-weight: 700; color: var(--text); }
.page-header p { font-size: 14px; color: var(--text-muted); margin-top: 2px; }