/* ==========================================================================
   LTM Zap — Design System (baseado no LTM Email Marketing)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', system-ui, -apple-system, sans-serif; }

:root {
  --bg-primary:    #F8FAFC;
  --bg-secondary:  #FFFFFF;
  --bg-card:       #FFFFFF;
  --bg-input:      #FFFFFF;
  --border-color:  #E2E8F0;

  --primary-color:  #FF7300;
  --primary-hover:  #E66700;
  --primary-light:  #FFF5ED;
  --primary-border: #FFE4D1;

  --whatsapp:      #25D366;
  --whatsapp-bg:   #DCFCE7;

  --text-primary:   #0F172A;
  --text-secondary: #475569;
  --text-muted:     #64748B;

  --success:    #16A34A; --success-bg: #DCFCE7;
  --warning:    #F97316; --warning-bg: #FFEDD5;
  --danger:     #DC2626; --danger-bg:  #FEE2E2;
  --info:       #3B82F6; --info-bg:    #EFF6FF;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.05), 0 2px 4px -1px rgba(0,0,0,.03);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,.08), 0 8px 10px -6px rgba(0,0,0,.04);

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: all 0.2s ease-in-out;
}

body { background: var(--bg-primary); color: var(--text-primary); min-height: 100vh; overflow-x: hidden; }

/* ── Layout ── */
.app-container { display: flex; min-height: 100vh; }

.sidebar {
  width: 260px; background: var(--bg-secondary); border-right: 1px solid var(--border-color);
  display: flex; flex-direction: column; position: fixed; height: 100vh; z-index: 100; overflow-y: auto;
}
.sidebar-header { height: 68px; padding: 0 20px; display: flex; align-items: center; border-bottom: 1px solid var(--border-color); }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-icon {
  background: linear-gradient(135deg, #FF7300, #FF9500);
  width: 36px; height: 36px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.1rem;
}
.logo-text { font-size: 1.1rem; font-weight: 800; color: var(--text-primary); }
.logo-text span { color: var(--primary-color); }

.sidebar-nav { flex: 1; padding: 20px 12px; }
.sidebar-section-header {
  font-size: 0.67rem; font-weight: 700; text-transform: uppercase;
  color: var(--text-muted); letter-spacing: 0.8px; padding: 16px 12px 6px 12px;
}
.sidebar-nav ul { list-style: none; }
.sidebar-nav li { margin-bottom: 2px; }
.nav-item-flat {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px;
  color: var(--text-secondary); text-decoration: none; font-weight: 600; font-size: 0.85rem;
  border-radius: var(--radius-md); border-left: 3px solid transparent; transition: var(--transition);
}
.nav-item-flat svg { width: 17px; height: 17px; color: var(--text-muted); stroke-width: 2px; flex-shrink: 0; }
.nav-item-flat:hover { color: var(--text-primary); background: #F1F5F9; }
.nav-item-flat:hover svg { color: var(--text-primary); }
.sidebar-nav li.active .nav-item-flat { color: var(--primary-color); background: var(--primary-light); border-left-color: var(--primary-color); font-weight: 700; }
.sidebar-nav li.active .nav-item-flat svg { color: var(--primary-color); }

.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border-color); }
.btn-logout { display: flex; align-items: center; gap: 8px; color: var(--text-muted); text-decoration: none; font-size: 0.85rem; font-weight: 600; transition: var(--transition); }
.btn-logout:hover { color: var(--danger); }
.btn-logout svg { width: 17px; height: 17px; }

/* ── Main Content ── */
.main-content { flex: 1; margin-left: 260px; min-height: 100vh; display: flex; flex-direction: column; }
.content-header {
  height: 68px; display: flex; justify-content: space-between; align-items: center;
  background: var(--bg-secondary); border-bottom: 1px solid var(--border-color);
  padding: 0 28px; position: sticky; top: 0; z-index: 10;
}
.header-title h1 { font-size: 1.2rem; font-weight: 700; color: var(--text-primary); }
.user-profile { display: flex; align-items: center; gap: 10px; }
.user-avatar {
  background: var(--primary-light); width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; color: var(--primary-color); font-weight: 700; font-size: 0.875rem;
}
.user-name { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }

.content-body { padding: 28px; flex: 1; max-width: 1280px; width: 100%; margin: 0 auto; }

/* ── Stats Grid ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 28px; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg);
  padding: 20px; display: flex; align-items: center; gap: 14px; box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.stat-icon { width: 44px; height: 44px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.stat-icon svg { width: 22px; height: 22px; stroke-width: 2px; }
.stat-icon.orange { background: var(--primary-light); color: var(--primary-color); }
.stat-icon.green  { background: var(--success-bg); color: var(--success); }
.stat-icon.blue   { background: var(--info-bg); color: var(--info); }
.stat-icon.amber  { background: var(--warning-bg); color: var(--warning); }
.stat-icon.wa     { background: var(--whatsapp-bg); color: var(--whatsapp); }
.stat-label { font-size: 0.72rem; color: var(--text-muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 3px; }
.stat-value { font-size: 1.6rem; font-weight: 800; color: var(--text-primary); line-height: 1; }

/* ── Panel ── */
.panel { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 22px; box-shadow: var(--shadow-sm); margin-bottom: 24px; }
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.panel-title { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); display: flex; align-items: center; gap: 8px; }
.panel-title svg { width: 18px; height: 18px; color: var(--primary-color); stroke-width: 2px; }
.panel-actions { display: flex; gap: 10px; align-items: center; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; font-size: 0.875rem; font-weight: 600; border: none; border-radius: var(--radius-md); cursor: pointer; transition: var(--transition); text-decoration: none; white-space: nowrap; }
.btn svg { width: 16px; height: 16px; stroke-width: 2px; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--primary-color); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: #F1F5F9; color: var(--text-secondary); border: 1px solid var(--border-color); }
.btn-secondary:hover { background: #E2E8F0; color: var(--text-primary); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-wa { background: var(--whatsapp); color: #fff; }
.btn-wa:hover { background: #1db955; }
.btn-sm { padding: 5px 10px; font-size: 0.8rem; }
.btn-icon { width: 34px; height: 34px; padding: 0; justify-content: center; }

/* ── Tables ── */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
thead tr { background: var(--bg-primary); }
th { padding: 10px 16px; text-align: left; font-size: 0.7rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--border-color); white-space: nowrap; }
td { padding: 13px 16px; border-bottom: 1px solid var(--border-color); color: var(--text-secondary); vertical-align: middle; }
tbody tr:hover { background: var(--bg-primary); }
tbody tr:last-child td { border-bottom: none; }

/* ── Badges ── */
.status-badge { display: inline-block; padding: 3px 10px; font-size: 0.7rem; font-weight: 700; border-radius: 20px; text-transform: uppercase; letter-spacing: 0.3px; }
.status-badge.active, .status-badge.connected, .status-badge.completed, .status-badge.sent { background: var(--success-bg); color: var(--success); }
.status-badge.pending { background: var(--warning-bg); color: var(--warning); }
.status-badge.error, .status-badge.disconnected, .status-badge.failed, .status-badge.cancelled { background: var(--danger-bg); color: var(--danger); }
.status-badge.paused, .status-badge.connecting { background: var(--info-bg); color: var(--info); }

/* ── Forms ── */
.form-group { display: flex; flex-direction: column; gap: 5px; margin-bottom: 16px; }
.form-group label { font-size: 0.78rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px; }
.form-group input, .form-group select, .form-group textarea {
  padding: 10px 12px; border: 1px solid var(--border-color); border-radius: var(--radius-md);
  background: var(--bg-input); color: var(--text-primary); font-size: 0.875rem; transition: border-color 0.15s; width: 100%; outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(255,115,0,.1);
}
.form-group textarea { resize: vertical; min-height: 90px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 3px; }

/* ── Modal ── */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(15,23,42,.45); backdrop-filter: blur(3px); z-index: 9000; align-items: center; justify-content: center; padding: 20px; }
.modal-overlay.active { display: flex; }
.modal { background: var(--bg-secondary); border-radius: var(--radius-lg); padding: 28px; width: 100%; max-width: 560px; box-shadow: 0 20px 60px rgba(0,0,0,.15); max-height: 90vh; overflow-y: auto; animation: modalIn .2s ease; }
@keyframes modalIn { from { transform: translateY(-12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; padding-bottom: 14px; border-bottom: 1px solid var(--border-color); }
.modal-title { font-size: 1rem; font-weight: 800; color: var(--text-primary); }
.modal-close { background: none; border: none; cursor: pointer; color: var(--text-muted); padding: 4px; border-radius: 4px; display: flex; transition: var(--transition); }
.modal-close:hover { background: var(--border-color); color: var(--text-primary); }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--border-color); }

/* ── Alerts ── */
.alert { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: var(--radius-md); font-size: 0.875rem; font-weight: 500; margin-bottom: 20px; }
.alert-success { background: var(--success-bg); color: var(--success); }
.alert-danger  { background: var(--danger-bg);  color: var(--danger);  }
.alert-warning { background: var(--warning-bg); color: var(--warning); }
.alert-info    { background: var(--info-bg);    color: var(--info);    }

/* ── Funnel Steps Builder ── */
.steps-list { display: flex; flex-direction: column; gap: 12px; }
.step-item { background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 14px 16px; display: flex; gap: 12px; align-items: flex-start; }
.step-number { width: 28px; height: 28px; border-radius: 50%; background: var(--primary-color); color: #fff; font-size: 0.8rem; font-weight: 800; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; }
.step-body { flex: 1; }
.step-controls { display: flex; gap: 4px; flex-shrink: 0; }

/* ── QR Code Display ── */
.qr-wrapper { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 24px; }
.qr-wrapper img { width: 200px; height: 200px; border: 4px solid var(--border-color); border-radius: var(--radius-md); }
.qr-status { display: flex; align-items: center; gap: 8px; font-size: 0.875rem; font-weight: 600; }
.qr-status .dot { width: 8px; height: 8px; border-radius: 50%; animation: pulse 1.5s infinite; }
.dot-orange { background: var(--primary-color); }
.dot-green  { background: var(--whatsapp); animation: none; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ── Login Page ── */
.login-body { background: var(--bg-primary); }
.login-container { display: flex; min-height: 100vh; align-items: center; justify-content: center; padding: 20px; }
.login-card {
  background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: var(--radius-lg);
  width: 100%; max-width: 420px; padding: 40px 36px; box-shadow: var(--shadow-lg);
}
.login-logo { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-bottom: 32px; }
.login-logo .logo-icon-lg {
  background: linear-gradient(135deg, #FF7300, #FF9500); width: 56px; height: 56px;
  border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.8rem;
}
.login-logo h2 { font-size: 1.4rem; font-weight: 800; color: var(--text-primary); }
.login-logo p { font-size: 0.875rem; color: var(--text-muted); }

/* ── Loading Spinner ── */
.spinner { width: 20px; height: 20px; border: 2px solid rgba(255,255,255,.3); border-top-color: #fff; border-radius: 50%; animation: spin .6s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-overlay { position: fixed; inset: 0; background: rgba(255,255,255,.7); display: flex; align-items: center; justify-content: center; z-index: 9999; }
.loading-box { background: var(--bg-secondary); border-radius: var(--radius-lg); padding: 32px; display: flex; flex-direction: column; align-items: center; gap: 16px; box-shadow: var(--shadow-lg); }
.spinner-lg { width: 40px; height: 40px; border: 3px solid var(--border-color); border-top-color: var(--primary-color); border-radius: 50%; animation: spin .8s linear infinite; }

/* ── Mobile Sidebar Toggle ── */
.mobile-nav-toggle { display: none; background: none; border: none; cursor: pointer; color: var(--text-primary); padding: 8px; border-radius: var(--radius-sm); transition: var(--transition); }
.mobile-nav-toggle svg { width: 22px; height: 22px; stroke-width: 2px; }
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(15,23,42,.35); backdrop-filter: blur(2px); z-index: 99; }
.sidebar-overlay.active { display: block; }

/* ── Empty State ── */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px 20px; color: var(--text-muted); gap: 12px; }
.empty-state svg { width: 48px; height: 48px; opacity: 0.4; }
.empty-state p { font-size: 0.95rem; font-weight: 500; }

/* ── Responsive ── */
@media (max-width: 991px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.25s cubic-bezier(.4,0,.2,1); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .main-content { margin-left: 0; }
  .content-header { padding: 0 16px; height: 60px; }
  .mobile-nav-toggle { display: flex; }
  .content-body { padding: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .login-card { padding: 28px 20px; }
}