* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #419B8B;
  --primary-dark: #305E55;
  --primary-darker: #274039;
  --bg-dark: #0f1923;
  --bg-card: #1a2d3d;
  --bg-input: #243447;
  --text: #e0e6ed;
  --text-muted: #8899aa;
  --border: #2a3f52;
  --success: #4caf50;
  --warning: #ff9800;
  --danger: #f44336;
  --info: #2196f3;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* LOGIN */
.login-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-darker) 100%);
}
.login-box {
  background: var(--bg-card); padding: 40px; border-radius: 12px;
  width: 100%; max-width: 400px; box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.login-box h1 { color: var(--primary); font-size: 24px; margin-bottom: 5px; }
.login-box p { color: var(--text-muted); margin-bottom: 25px; font-size: 14px; }
.login-box .logo { text-align: center; margin-bottom: 20px; }
.login-box .logo h1 { font-size: 28px; }
.login-box .logo span { color: var(--text-muted); font-size: 12px; display: block; margin-top: 4px; }

/* DASHBOARD */
.dashboard { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px; background: var(--bg-card); padding: 20px 0;
  border-right: 1px solid var(--border); flex-shrink: 0;
  display: flex; flex-direction: column;
}
.sidebar .brand { padding: 0 20px 20px; border-bottom: 1px solid var(--border); margin-bottom: 10px; }
.sidebar .brand h2 { color: var(--primary); font-size: 18px; }
.sidebar .brand small { color: var(--text-muted); font-size: 11px; }
.sidebar nav { flex: 1; }
.sidebar nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px; color: var(--text-muted); transition: all .2s;
  font-size: 14px; border-left: 3px solid transparent;
}
.sidebar nav a:hover, .sidebar nav a.active {
  background: rgba(65,155,139,.1); color: var(--text);
  border-left-color: var(--primary); text-decoration: none;
}
.sidebar .user-info { padding: 15px 20px; border-top: 1px solid var(--border); font-size: 13px; color: var(--text-muted); }
.sidebar .logout-btn { margin: 10px 20px 0; padding: 8px; background: transparent; border: 1px solid var(--danger); color: var(--danger); border-radius: 6px; cursor: pointer; font-size: 13px; }
.sidebar .logout-btn:hover { background: var(--danger); color: white; }

.main-content { flex: 1; padding: 25px; overflow-y: auto; }
.main-content h1 { font-size: 22px; margin-bottom: 20px; }
.main-content h2 { font-size: 16px; color: var(--text-muted); margin-bottom: 15px; text-transform: uppercase; letter-spacing: 1px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 15px; margin-bottom: 25px; }
.stat-card { background: var(--bg-card); border-radius: 10px; padding: 20px; border: 1px solid var(--border); }
.stat-card .number { font-size: 28px; font-weight: 700; color: var(--primary); }
.stat-card .label { font-size: 13px; color: var(--text-muted); margin-top: 5px; }
.stat-card .sub { font-size: 11px; color: var(--text-muted); margin-top: 3px; }
.stat-card.success .number { color: var(--success); }
.stat-card.warning .number { color: var(--warning); }
.stat-card.info .number { color: var(--info); }
.stat-card.danger .number { color: var(--danger); }

.card { background: var(--bg-card); border-radius: 10px; padding: 20px; border: 1px solid var(--border); margin-bottom: 20px; }
.card h3 { font-size: 15px; margin-bottom: 12px; color: var(--text); }

/* Content Queue */
.content-item {
  background: var(--bg-input); border-radius: 8px; padding: 15px;
  margin-bottom: 10px; border: 1px solid var(--border);
}
.content-item .title { font-size: 15px; font-weight: 600; margin-bottom: 5px; }
.content-item .copy { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; line-height: 1.5; }
.content-item .meta { font-size: 12px; color: var(--text-muted); margin-bottom: 10px; }
.content-item .meta span { display: inline-block; margin-right: 15px; }
.content-item .meta .badge {
  padding: 2px 8px; border-radius: 10px; font-size: 11px;
}
.badge-instagram { background: rgba(225,48,108,.2); color: #e1306c; }
.badge-facebook { background: rgba(24,119,242,.2); color: #1877f2; }
.badge-whatsapp { background: rgba(37,211,102,.2); color: #25d366; }
.badge-email { background: rgba(66,133,244,.2); color: #4285f4; }
.content-item .actions { display: flex; gap: 8px; flex-wrap: wrap; }

.btn {
  padding: 8px 16px; border: none; border-radius: 6px; cursor: pointer;
  font-size: 13px; font-weight: 500; transition: all .2s;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { opacity: .9; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { opacity: .9; }
.btn-warning { background: var(--warning); color: white; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-info { background: var(--info); color: white; }

/* Forms */
.form-group { margin-bottom: 15px; }
.form-group label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 5px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px; background: var(--bg-input);
  border: 1px solid var(--border); border-radius: 6px;
  color: var(--text); font-size: 14px;
}
.form-group textarea { min-height: 80px; resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--primary);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--text-muted); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: 1px; }
td { color: var(--text); }

/* Status */
.status-bar {
  display: flex; gap: 20px; padding: 15px; background: var(--bg-card);
  border-radius: 10px; border: 1px solid var(--border); margin-bottom: 20px; align-items: center; flex-wrap: wrap;
}
.status-bar .item { font-size: 13px; color: var(--text-muted); }
.status-bar .item strong { color: var(--text); }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 5px; }
.status-dot.online { background: var(--success); }
.status-dot.offline { background: var(--danger); }
.status-dot.pending { background: var(--warning); }

/* Logs */
.log-entry { padding: 6px 0; font-size: 12px; border-bottom: 1px solid var(--border); color: var(--text-muted); }
.log-entry .agent { color: var(--primary); font-weight: 600; }
.log-entry .time { color: var(--text-muted); margin-right: 10px; }
.log-entry .error { color: var(--danger); }
.log-entry .complete { color: var(--success); }

/* Tabs */
.tabs { display: flex; gap: 2px; margin-bottom: 20px; }
.tab { padding: 10px 20px; cursor: pointer; border-radius: 8px 8px 0 0; font-size: 13px; color: var(--text-muted); background: var(--bg-card); border: 1px solid var(--border); border-bottom: none; }
.tab.active { color: var(--text); background: var(--bg-input); border-color: var(--primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Empty state */
.empty { text-align: center; padding: 40px; color: var(--text-muted); }
.empty p { font-size: 14px; }

/* Responsive */
@media (max-width: 768px) {
  .dashboard { flex-direction: column; }
  .sidebar { width: 100%; padding: 10px; }
  .sidebar nav { display: flex; flex-wrap: wrap; }
  .sidebar nav a { flex: 1; min-width: 120px; border-left: none; border-bottom: 2px solid transparent; padding: 10px; }
  .sidebar nav a.active { border-bottom-color: var(--primary); }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .main-content { padding: 15px; }
}