/* WhatsApp AI Dashboard - Dark Theme */
:root {
  --bg: #0f1419;
  --bg-card: #151b23;
  --border: #1e2836;
  --text: #f0f2f5;
  --text-muted: #8b98a5;
  --primary: #22c55e;
  --primary-hover: #16a34a;
  --accent: #1e2836;
  --ring: #22c55e;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.app { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: 256px;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
}
.sidebar-header {
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
}
.logo { font-size: 1.25rem; font-weight: 700; color: var(--primary); }
.nav { flex: 1; padding: 16px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 4px;
  transition: all 0.2s;
}
.nav-item:hover { background: var(--accent); color: var(--text); }
.nav-item.active { background: rgba(34, 197, 94, 0.1); color: var(--primary); }
.icon { width: 20px; height: 20px; flex-shrink: 0; }

/* Main */
.main { flex: 1; margin-left: 256px; min-height: 100vh; display: flex; flex-direction: column; }
.header {
  height: 64px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: rgba(15, 20, 25, 0.8);
}
.page-title { font-size: 1.5rem; font-weight: 700; }
.user-badge {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 6px 12px;
  background: var(--accent);
  border-radius: 6px;
}
.content { padding: 32px; flex: 1; }

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}
.stat-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.stat-label { font-size: 0.875rem; color: var(--text-muted); }
.stat-icon { width: 16px; height: 16px; color: var(--text-muted); }
.stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-desc { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }

/* Card */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.card-header { padding: 24px; }
.card-header h2 { font-size: 1.125rem; font-weight: 600; margin-bottom: 4px; }
.card-desc { font-size: 0.875rem; color: var(--text-muted); }

/* Table */
.table-wrap { overflow-x: auto; }
.table { width: 100%; font-size: 0.875rem; border-collapse: collapse; }
.table th {
  text-align: left;
  padding: 12px 16px;
  background: rgba(30, 40, 54, 0.5);
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.table tbody tr:hover { background: rgba(30, 40, 54, 0.3); }
.empty-state { text-align: center; color: var(--text-muted); padding: 48px 16px !important; }
.badge {
  display: inline-flex;
  padding: 2px 8px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}
.badge-on { background: rgba(34, 197, 94, 0.2); color: var(--primary); }
.badge-off { background: var(--accent); color: var(--text-muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.2s;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: #dc2626; color: white; }
.btn-danger:hover { background: #b91c1c; }
.ai-toggle-btn {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--accent);
  color: var(--text);
}
.ai-toggle-btn:hover { background: var(--border); }
.ai-status.ai-playing { color: var(--primary); }
.ai-status.ai-paused { color: var(--text-muted); }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { background: var(--accent); }

/* Inbox */
.inbox-item:hover { background: var(--accent) !important; }

/* Form */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 6px; }
.form-input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.875rem;
}
.form-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.2); }
textarea.form-input { min-height: 120px; resize: vertical; }