/* ============================
   MASSIVO BRO — Design System
   ============================ */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #e0e7ff;
  --secondary: #8b5cf6;
  --accent: #ec4899;
  --success: #10b981;
  --success-light: #d1fae5;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --danger: #ef4444;
  --danger-light: #fee2e2;
  --info: #3b82f6;
  --info-light: #dbeafe;
  --whatsapp: #25d366;
  --whatsapp-dark: #128c7e;

  --sidebar-w: 260px;
  --sidebar-collapsed-w: 68px;
  --topbar-h: 64px;
  --sidebar-from: #0f0c29;
  --sidebar-mid:  #302b63;
  --sidebar-to:   #24243e;

  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --border: #e5e7eb;
  --bg: #f3f4f8;
  --card-bg: #ffffff;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.07), 0 4px 12px rgba(0,0,0,.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 10px 24px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 30px rgba(99,102,241,.15);
  --transition: .2s ease;
}

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

html { font-size: 15px; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}

/* ============================
   SIDEBAR — fixed, collapsible
   ============================ */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: linear-gradient(160deg, var(--sidebar-from) 0%, var(--sidebar-mid) 55%, var(--sidebar-to) 100%);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.1) transparent;
  transition: width .25s ease, transform .25s ease;
}

/* Collapsed state: icon-only rail */
body.sidebar-collapsed .sidebar {
  width: var(--sidebar-collapsed-w);
}
body.sidebar-collapsed .brand-text,
body.sidebar-collapsed .nav-item span,
body.sidebar-collapsed .nav-section-title,
body.sidebar-collapsed .nav-badge,
body.sidebar-collapsed .plan-badge,
body.sidebar-collapsed .user-info,
body.sidebar-collapsed .logout-btn {
  display: none;
}
body.sidebar-collapsed .nav-item {
  justify-content: center;
  padding: 12px;
  margin-right: 8px;
  border-radius: 10px;
  position: relative;
}
body.sidebar-collapsed .nav-item i { width: auto; font-size: 1.2rem; }
body.sidebar-collapsed .nav-item.active { padding-left: 12px; border-left: none; }
body.sidebar-collapsed .sidebar-footer { padding: 12px 8px; }
body.sidebar-collapsed .sidebar-user { justify-content: center; }
body.sidebar-collapsed .user-avatar { width: 36px; height: 36px; }

/* Tooltip on collapsed hover */
body.sidebar-collapsed .nav-item::after {
  content: attr(data-label);
  position: absolute;
  left: calc(var(--sidebar-collapsed-w) + 8px);
  top: 50%; transform: translateY(-50%);
  background: #1e1b4b;
  color: #fff;
  padding: 5px 12px;
  border-radius: 8px;
  font-size: .8rem;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity .15s;
  z-index: 200;
}
body.sidebar-collapsed .nav-item:hover::after { opacity: 1; }

/* Collapse toggle button in sidebar */
.sidebar-collapse-btn {
  position: absolute;
  top: 20px;
  right: -12px;
  width: 24px; height: 24px;
  background: var(--primary);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: .7rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(99,102,241,.5);
  z-index: 101;
  transition: transform .25s ease, background .2s;
}
.sidebar-collapse-btn:hover { background: var(--primary-dark); }
body.sidebar-collapsed .sidebar-collapse-btn { transform: scaleX(-1); right: -12px; }

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  flex-shrink: 0;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  box-shadow: 0 4px 15px rgba(99,102,241,.4);
}

.company-logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-text { flex: 1; min-width: 0; }
.brand-name { display: block; font-size: .95rem; font-weight: 800; color: #fff; letter-spacing: -.3px; }
.brand-company { display: block; font-size: .72rem; color: rgba(255,255,255,.5); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.sidebar-nav { flex: 1; padding: 16px 0; }

.nav-section { margin-bottom: 8px; }
.nav-section-title {
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,.3);
  padding: 8px 20px 4px;
  display: block;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: rgba(255,255,255,.65);
  text-decoration: none;
  font-size: .875rem;
  font-weight: 500;
  border-radius: 0 24px 24px 0;
  margin-right: 12px;
  transition: all var(--transition);
  position: relative;
}

.nav-item i { font-size: 1.05rem; width: 20px; text-align: center; flex-shrink: 0; }
.nav-item span { flex: 1; }

.nav-item:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
  transform: translateX(2px);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(99,102,241,.5), rgba(99,102,241,.2));
  color: #fff;
  border-left: 3px solid var(--primary);
  padding-left: 17px;
}

.nav-item.active i { color: var(--primary); filter: drop-shadow(0 0 6px var(--primary)); }

.nav-badge {
  background: var(--accent);
  color: #fff;
  font-size: .65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 20px;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,.08);
  flex-shrink: 0;
}

.plan-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.plan-free { background: rgba(107,114,128,.25); color: #d1d5db; }
.plan-pro { background: linear-gradient(135deg,rgba(99,102,241,.4),rgba(139,92,246,.4)); color: #c4b5fd; }
.plan-enterprise { background: linear-gradient(135deg,rgba(245,158,11,.3),rgba(236,72,153,.3)); color: #fcd34d; }

.sidebar-user { display: flex; align-items: center; gap: 10px; }
.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: .8rem; font-weight: 700; flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-email { font-size: .72rem; color: rgba(255,255,255,.5); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.logout-btn { color: rgba(255,255,255,.4); text-decoration: none; font-size: 1.1rem; transition: color var(--transition); }
.logout-btn:hover { color: var(--danger); }

/* ============================
   MAIN WRAPPER
   ============================ */
.main-wrapper {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: margin-left .25s ease;
}
body.sidebar-collapsed .main-wrapper {
  margin-left: var(--sidebar-collapsed-w);
}
/* Mobile: no margin, sidebar is overlay */
@media (max-width: 900px) {
  .main-wrapper { margin-left: 0 !important; }
}

/* ============================
   TOPBAR
   ============================ */
.topbar {
  height: var(--topbar-h);
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 0 var(--border);
}

.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }

.menu-toggle {
  display: flex;
  background: none; border: none;
  font-size: 1.4rem; cursor: pointer; color: var(--text-primary); padding: 4px 8px; border-radius: 6px;
  align-items: center; justify-content: center;
}
.menu-toggle:hover { background: var(--bg); }

.page-title h1 { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); }

.topbar-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: .8rem; font-weight: 700; cursor: pointer;
}

/* ============================
   MAIN CONTENT
   ============================ */
.main-content { flex: 1; padding: 28px 24px; }

/* ============================
   FLASH MESSAGES
   ============================ */
.flash-container { padding: 12px 24px 0; }
.flash {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; border-radius: var(--radius-sm);
  font-size: .875rem; font-weight: 500; margin-bottom: 8px;
  animation: slideDown .3s ease;
}
.flash button { background: none; border: none; cursor: pointer; margin-left: auto; font-size: 1rem; opacity: .6; }
.flash-success { background: var(--success-light); color: #065f46; }
.flash-error { background: var(--danger-light); color: #991b1b; }
@keyframes slideDown { from { opacity:0; transform:translateY(-10px); } to { opacity:1; transform:translateY(0); } }

/* ============================
   CARDS
   ============================ */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  border: 1px solid var(--border);
}

.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.card-title { font-size: 1rem; font-weight: 700; color: var(--text-primary); }
.card-subtitle { font-size: .8rem; color: var(--text-secondary); margin-top: 2px; }

/* ============================
   STAT CARDS
   ============================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 4px; height: 100%;
}
.stat-card.indigo::before { background: var(--primary); }
.stat-card.violet::before { background: var(--secondary); }
.stat-card.green::before { background: var(--success); }
.stat-card.pink::before { background: var(--accent); }
.stat-card.orange::before { background: var(--warning); }
.stat-card.blue::before { background: var(--info); }
.stat-card.whatsapp::before { background: var(--whatsapp); }

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.stat-icon {
  width: 52px; height: 52px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; flex-shrink: 0;
}
.stat-card.indigo .stat-icon { background: var(--primary-light); color: var(--primary); }
.stat-card.violet .stat-icon { background: #ede9fe; color: var(--secondary); }
.stat-card.green .stat-icon { background: var(--success-light); color: var(--success); }
.stat-card.pink .stat-icon { background: #fce7f3; color: var(--accent); }
.stat-card.orange .stat-icon { background: var(--warning-light); color: var(--warning); }
.stat-card.blue .stat-icon { background: var(--info-light); color: var(--info); }
.stat-card.whatsapp .stat-icon { background: #d1fae5; color: var(--whatsapp-dark); }

.stat-body { flex: 1; min-width: 0; }
.stat-label { font-size: .75rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .5px; }
.stat-value { font-size: 1.85rem; font-weight: 800; color: var(--text-primary); line-height: 1.1; letter-spacing: -1px; }
.stat-change { font-size: .75rem; color: var(--text-muted); margin-top: 2px; }
.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ============================
   GRID LAYOUTS
   ============================ */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.grid-6-4 { display: grid; grid-template-columns: 1.5fr 1fr; gap: 20px; }
.grid-4-8 { display: grid; grid-template-columns: 1fr 2fr; gap: 20px; }

/* ============================
   TABLES
   ============================ */
.table-wrap { overflow-x: auto; border-radius: var(--radius); }
.table {
  width: 100%; border-collapse: collapse; font-size: .875rem;
}
.table th {
  background: var(--bg); text-align: left;
  font-size: .72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; color: var(--text-secondary);
  padding: 11px 16px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
.table td { padding: 13px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #fafafa; }

/* ============================
   BADGES & STATUS
   ============================ */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 20px;
  font-size: .7rem; font-weight: 700;
}
.badge-draft     { background: var(--bg); color: var(--text-secondary); }
.badge-sending   { background: var(--info-light); color: #1d4ed8; }
.badge-sent      { background: var(--success-light); color: #065f46; }
.badge-scheduled { background: var(--warning-light); color: #92400e; }
.badge-paused    { background: #f3f4f6; color: #374151; }
.badge-cancelled { background: var(--danger-light); color: #991b1b; }
.badge-email     { background: var(--primary-light); color: var(--primary-dark); }
.badge-whatsapp  { background: #d1fae5; color: #065f46; }
.badge-active    { background: var(--success-light); color: #065f46; }
.badge-inactive  { background: var(--bg); color: var(--text-muted); }

.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-success { background: var(--success); box-shadow: 0 0 6px var(--success); }
.dot-danger  { background: var(--danger); }
.dot-warning { background: var(--warning); }
.dot-muted   { background: var(--text-muted); }

/* ============================
   BUTTONS
   ============================ */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 18px; border-radius: var(--radius-sm);
  font-size: .875rem; font-weight: 600; cursor: pointer;
  border: none; text-decoration: none; transition: all var(--transition);
  white-space: nowrap;
}
.btn-sm { padding: 6px 14px; font-size: .8rem; }
.btn-lg { padding: 13px 28px; font-size: 1rem; }

.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 2px 8px rgba(99,102,241,.35); }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 4px 14px rgba(99,102,241,.45); transform: translateY(-1px); }

.btn-success { background: var(--success); color: #fff; box-shadow: 0 2px 8px rgba(16,185,129,.3); }
.btn-success:hover { background: #059669; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }

.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #d97706; }

.btn-whatsapp { background: var(--whatsapp); color: #fff; box-shadow: 0 2px 8px rgba(37,211,102,.3); }
.btn-whatsapp:hover { background: var(--whatsapp-dark); }

.btn-outline { background: transparent; border: 1.5px solid var(--border); color: var(--text-primary); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }

.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg); color: var(--text-primary); }

.btn-icon { width: 36px; height: 36px; padding: 0; border-radius: var(--radius-sm); justify-content: center; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

/* ============================
   FORMS
   ============================ */
.form-group { margin-bottom: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

label {
  display: block; font-size: .8rem; font-weight: 600;
  color: var(--text-secondary); margin-bottom: 6px;
}
label .required { color: var(--danger); margin-left: 2px; }

.form-control {
  width: 100%; padding: 10px 14px;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-size: .875rem; font-family: inherit; color: var(--text-primary);
  background: var(--card-bg); transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,.12); }
.form-control::placeholder { color: var(--text-muted); }

.form-control-icon { position: relative; }
.form-control-icon i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); }
.form-control-icon .form-control { padding-left: 38px; }

select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 100px; }

.form-hint { font-size: .75rem; color: var(--text-muted); margin-top: 5px; }
.form-error { font-size: .75rem; color: var(--danger); margin-top: 5px; }

.input-group { display: flex; gap: 8px; }
.input-group .form-control { flex: 1; }

.toggle-wrap { display: flex; align-items: center; gap: 10px; }
.toggle { position: relative; width: 44px; height: 24px; flex-shrink: 0; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0; background: #d1d5db;
  border-radius: 24px; cursor: pointer; transition: var(--transition);
}
.toggle-slider::before {
  content: ''; position: absolute;
  width: 18px; height: 18px; left: 3px; top: 3px;
  background: #fff; border-radius: 50%;
  transition: var(--transition); box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.toggle input:checked + .toggle-slider { background: var(--primary); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }
.toggle-label { font-size: .875rem; font-weight: 500; color: var(--text-primary); }

/* ============================
   MODALS
   ============================ */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 500; padding: 20px;
  animation: fadeIn .2s ease;
}
.modal-overlay.hidden { display: none; }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }

.modal {
  background: var(--card-bg); border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
  width: 100%; max-width: 560px;
  max-height: 90vh; overflow-y: auto;
  animation: slideUp .25s ease;
}
.modal-lg { max-width: 780px; }
@keyframes slideUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }

.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 1rem; font-weight: 700; }
.modal-close { background: none; border: none; cursor: pointer; font-size: 1.2rem; color: var(--text-muted); padding: 4px; border-radius: 6px; }
.modal-close:hover { background: var(--bg); color: var(--text-primary); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* ============================
   TABS
   ============================ */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--border); margin-bottom: 24px; }
.tab-btn {
  padding: 10px 18px; background: none; border: none; cursor: pointer;
  font-size: .875rem; font-weight: 600; color: var(--text-secondary);
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: all var(--transition); border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  display: flex; align-items: center; gap: 7px;
}
.tab-btn:hover { color: var(--primary); background: var(--primary-light); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ============================
   SEARCH & FILTERS
   ============================ */
.toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.search-box { position: relative; }
.search-box i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); }
.search-box input { padding-left: 38px; width: 260px; }

/* ============================
   PROGRESS BAR
   ============================ */
.progress { height: 8px; background: var(--bg); border-radius: 20px; overflow: hidden; }
.progress-bar { height: 100%; border-radius: 20px; transition: width .6s ease; }
.progress-bar.indigo { background: var(--primary); }
.progress-bar.green  { background: var(--success); }
.progress-bar.pink   { background: var(--accent); }

/* ============================
   EMPTY STATE
   ============================ */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-secondary); }
.empty-state i { font-size: 3rem; color: var(--border); margin-bottom: 12px; display: block; }
.empty-state h3 { font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
.empty-state p { font-size: .875rem; }

/* ============================
   AVATAR / COLOR DOT
   ============================ */
.group-color { width: 14px; height: 14px; border-radius: 50%; display: inline-block; flex-shrink: 0; }

/* ============================
   VALIDATION INDICATOR
   ============================ */
.valid-icon   { color: var(--success); font-size: .9rem; }
.invalid-icon { color: var(--danger); font-size: .9rem; }
.unknown-icon { color: var(--text-muted); font-size: .9rem; }

/* ============================
   LOGIN PAGE
   ============================ */
.auth-wrapper {
  min-height: 100vh; width: 100%;
  display: flex;
}
.auth-left {
  flex: 1; background: linear-gradient(135deg, var(--sidebar-from) 0%, var(--sidebar-mid) 50%, #6366f1 100%);
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  padding: 60px; position: relative; overflow: hidden;
}
.auth-left::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.auth-brand { position: relative; text-align: center; }
.auth-brand-icon {
  width: 80px; height: 80px; border-radius: 20px;
  background: rgba(255,255,255,.15); backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  font-size: 36px; color: #fff; margin: 0 auto 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
  border: 1px solid rgba(255,255,255,.2);
}
.auth-brand h1 { font-size: 2.5rem; font-weight: 900; color: #fff; letter-spacing: -1px; margin-bottom: 8px; }
.auth-brand p { color: rgba(255,255,255,.7); font-size: 1.05rem; }
.auth-features { position: relative; margin-top: 60px; display: flex; flex-direction: column; gap: 16px; }
.auth-feature { display: flex; align-items: center; gap: 14px; color: rgba(255,255,255,.8); font-size: .9rem; }
.auth-feature i { font-size: 1.2rem; color: rgba(255,255,255,.6); width: 24px; text-align: center; }

.auth-right {
  width: 480px; flex-shrink: 0;
  display: flex; flex-direction: column; justify-content: center;
  padding: 60px 50px; background: var(--card-bg);
}
.auth-right h2 { font-size: 1.6rem; font-weight: 800; margin-bottom: 6px; }
.auth-right .sub { color: var(--text-secondary); font-size: .9rem; margin-bottom: 32px; }
.auth-divider { text-align: center; color: var(--text-muted); font-size: .8rem; margin: 16px 0; position: relative; }
.auth-divider::before, .auth-divider::after { content: ''; position: absolute; top: 50%; width: 42%; height: 1px; background: var(--border); }
.auth-divider::before { left: 0; }
.auth-divider::after { right: 0; }
.auth-link { font-size: .875rem; color: var(--text-secondary); margin-top: 20px; text-align: center; }
.auth-link a { color: var(--primary); font-weight: 600; text-decoration: none; }

/* ============================
   CHART CONTAINER
   ============================ */
.chart-container { position: relative; height: 280px; }
.chart-container-sm { position: relative; height: 200px; }

/* ============================
   SIDEBAR — always overlay
   ============================ */
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 99; }

/* ============================
   COLOR PICKER
   ============================ */
.color-picker { display: flex; gap: 8px; flex-wrap: wrap; }
.color-swatch {
  width: 30px; height: 30px; border-radius: 50%; cursor: pointer;
  border: 2px solid transparent; transition: transform var(--transition);
}
.color-swatch:hover, .color-swatch.selected { transform: scale(1.2); border-color: var(--text-primary); }

/* ============================
   PAGINATION
   ============================ */
.pagination { display: flex; gap: 4px; align-items: center; justify-content: center; margin-top: 20px; }
.page-btn {
  width: 34px; height: 34px; border-radius: 6px; border: 1.5px solid var(--border);
  background: var(--card-bg); cursor: pointer; font-size: .875rem; font-weight: 500;
  color: var(--text-secondary); transition: all var(--transition); display: flex; align-items: center; justify-content: center;
}
.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1024px) {
  .grid-6-4, .grid-4-8 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}

/* On mobile: sidebar becomes overlay */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); width: var(--sidebar-w) !important; }
  .sidebar.open { transform: translateX(0); box-shadow: 4px 0 40px rgba(0,0,0,.35); }
  .sidebar-overlay.open { display: block; }
  .sidebar-collapse-btn { display: none; }
  .menu-toggle { display: flex !important; }
}

@media (max-width: 768px) {
  .auth-wrapper { flex-direction: column; }
  .auth-left { display: none; }
  .auth-right { width: 100%; padding: 40px 24px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .search-box input { width: 100%; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .main-content { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr; }
}

/* ============================
   SPINNER
   ============================ */
.spinner { width: 22px; height: 22px; border: 3px solid rgba(255,255,255,.3); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================
   DROPZONE
   ============================ */
.dropzone {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 40px; text-align: center; cursor: pointer;
  transition: all var(--transition); color: var(--text-secondary);
}
.dropzone:hover, .dropzone.dragover { border-color: var(--primary); background: var(--primary-light); color: var(--primary); }
.dropzone i { font-size: 2.5rem; display: block; margin-bottom: 10px; }

/* ============================
   TOAST
   ============================ */
#toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 1000; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: #1f2937; color: #fff; padding: 12px 18px;
  border-radius: var(--radius-sm); font-size: .875rem; font-weight: 500;
  box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 10px;
  animation: toastIn .3s ease; min-width: 260px; max-width: 380px;
}
.toast.success { border-left: 4px solid var(--success); }
.toast.error   { border-left: 4px solid var(--danger); }
.toast.info    { border-left: 4px solid var(--info); }
@keyframes toastIn { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:translateX(0); } }

/* ============================
   QUILL WYSIWYG EDITOR
   ============================ */
.ql-editor { min-height: 280px; font-family: 'Inter', sans-serif; font-size: .9rem; line-height: 1.7; }
.ql-container { border-radius: 0 0 var(--radius-sm) var(--radius-sm) !important; border-color: var(--border) !important; }
.ql-toolbar { border-radius: var(--radius-sm) var(--radius-sm) 0 0 !important; border-color: var(--border) !important; background: var(--bg); }
.ql-container.ql-snow { border-top: none !important; }
.ql-editor.ql-blank::before { font-style: normal; color: var(--text-muted); }

/* ============================
   WHATSAPP MEDIA SELECTOR
   ============================ */
.media-type-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 16px; }
.media-type-btn {
  border: 2px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px 6px; text-align: center; cursor: pointer; transition: all .2s;
  background: var(--card-bg);
}
.media-type-btn:hover { border-color: var(--whatsapp); background: #f0fdf4; }
.media-type-btn.active { border-color: var(--whatsapp); background: #f0fdf4; color: var(--whatsapp-dark); }
.media-type-btn i { font-size: 1.4rem; display: block; margin-bottom: 4px; }
.media-type-btn span { font-size: .72rem; font-weight: 700; display: block; }

.media-upload-area {
  border: 2px dashed var(--border); border-radius: var(--radius-sm);
  padding: 20px; text-align: center; cursor: pointer; transition: all .2s;
  position: relative;
}
.media-upload-area:hover { border-color: var(--whatsapp); background: #f0fdf4; }
.media-upload-area input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.media-preview-box { border-radius: var(--radius-sm); overflow: hidden; max-height: 220px; margin-top: 10px; position: relative; }
.media-preview-box img { width: 100%; max-height: 220px; object-fit: cover; border-radius: var(--radius-sm); }
.media-preview-box video { width: 100%; max-height: 220px; border-radius: var(--radius-sm); }
.media-preview-remove { position: absolute; top: 6px; right: 6px; background: rgba(0,0,0,.6); color: #fff; border: none; border-radius: 50%; width: 28px; height: 28px; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: .85rem; }

/* WA Phone preview with media */
.wa-preview-wrap { background: #e5ddd5; border-radius: 12px; padding: 16px; min-height: 120px; }
.wa-bubble { background: #fff; border-radius: 0 10px 10px 10px; padding: 0; max-width: 85%; font-size: .875rem; line-height: 1.5; box-shadow: 0 1px 2px rgba(0,0,0,.1); overflow: hidden; }
.wa-bubble-media { width: 100%; max-height: 180px; object-fit: cover; display: block; }
.wa-bubble-body { padding: 10px 12px; }
.wa-bubble-time { text-align: right; font-size: .65rem; color: #667781; margin-top: 4px; }

/* ============================
   TOPBAR BRAND (fullscreen mode)
   ============================ */
.topbar-brand {
  display: flex; align-items: center; gap: 8px;
  font-size: .9rem; font-weight: 800; color: var(--text-primary);
  letter-spacing: -.3px;
}
.topbar-brand-icon {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: .85rem;
}

/* Utility */
.mb-0{margin-bottom:0}.mb-1{margin-bottom:4px}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:16px}.mb-4{margin-bottom:24px}.mb-5{margin-bottom:32px}
.mt-auto{margin-top:auto}.ml-auto{margin-left:auto}.gap-2{gap:8px}.gap-3{gap:12px}
.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}
.text-sm{font-size:.8rem}.text-xs{font-size:.72rem}.text-muted{color:var(--text-secondary)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}
.fw-700{font-weight:700}.fw-600{font-weight:600}
.w-full{width:100%}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}