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

:root {
  --bg: #0a0a0a;
  --bg-secondary: #111111;
  --card: #161616;
  --card-hover: #1a1a1a;
  --accent: #10b981;
  --accent-hover: #059669;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
  --text: #f0f0f0;
  --text-muted: #6b7280;
  --border: #1e1e1e;
  --sidebar-width: 240px;
  --radius: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* Login */
.login-page {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: var(--bg);
}

.login-box {
  background: var(--card);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 380px;
}

.login-box h1 {
  text-align: center;
  margin-bottom: 8px;
  font-size: 24px;
  font-weight: 600;
}

.login-box p {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 14px;
}

.login-box .error {
  background: rgba(239,68,68,0.1);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 6px;
  border: 1px solid rgba(239,68,68,0.2);
  margin-bottom: 16px;
  font-size: 14px;
  display: none;
}

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

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  padding: 20px 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 50;
}

.sidebar-logo {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.sidebar-logo h2 {
  font-size: 17px;
  font-weight: 600;
  color: var(--accent);
}

.sidebar-logo span {
  font-size: 12px;
  color: var(--text-muted);
}

.sidebar nav { flex: 1; }

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: background 0.15s, color 0.15s;
  border-radius: 0;
}

.sidebar nav a:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text);
}

.sidebar nav a.active {
  background: rgba(16,185,129,0.1);
  color: var(--accent);
}

.sidebar nav a .icon {
  font-size: 17px;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.sidebar-footer .user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.sidebar-footer .avatar {
  width: 30px;
  height: 30px;
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 13px;
  color: var(--accent);
  flex-shrink: 0;
}

.sidebar-footer .logout {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  background: none;
  border: none;
  transition: color 0.15s;
}

.sidebar-footer .logout:hover { color: var(--danger); }

/* Main */
.main {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 28px 32px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.page-header h1 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
}

/* KPIs */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--card);
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: background 0.15s;
}

.kpi-card:hover { background: var(--card-hover); }

.kpi-card .label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 10px;
}

.kpi-card .value {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
}

.kpi-card .value.green { color: var(--accent); }
.kpi-card .value.blue { color: var(--info); }
.kpi-card .value.red { color: var(--danger); }
.kpi-card .value.yellow { color: var(--warning); }

/* Cards / Tables */
.card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  padding: 10px 12px;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 11px 12px;
  font-size: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

tr:hover td { background: rgba(255,255,255,0.02); }

/* Status badges */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.badge-draft     { background: rgba(107,114,128,0.15); color: var(--text-muted); }
.badge-ready     { background: rgba(59,130,246,0.12);  color: var(--info); }
.badge-sending   { background: rgba(245,158,11,0.12);  color: var(--warning); }
.badge-completed { background: rgba(16,185,129,0.12);  color: var(--accent); }
.badge-paused    { background: rgba(245,158,11,0.12);  color: var(--warning); }
.badge-failed    { background: rgba(239,68,68,0.12);   color: var(--danger); }
.badge-APPROVED  { background: rgba(16,185,129,0.12);  color: var(--accent); }
.badge-PENDING   { background: rgba(245,158,11,0.12);  color: var(--warning); }
.badge-REJECTED  { background: rgba(239,68,68,0.12);   color: var(--danger); }

/* Buttons */
.btn {
  padding: 9px 18px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-color: #2e2e2e;
}

.btn-danger {
  background: rgba(239,68,68,0.12);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.2);
}
.btn-danger:hover {
  background: rgba(239,68,68,0.2);
}

.btn-sm { padding: 6px 13px; font-size: 13px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Forms */
input, select, textarea {
  width: 100%;
  padding: 9px 13px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #0e0e0e;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  background: #0f0f0f;
}

label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
  margin-top: 12px;
}

.form-group { margin-bottom: 16px; }

/* File upload */
.file-upload {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.file-upload:hover {
  border-color: var(--accent);
  background: rgba(16,185,129,0.04);
}

.file-upload.active {
  border-color: var(--accent);
  background: rgba(16,185,129,0.07);
}

.file-upload p { color: var(--text-muted); font-size: 14px; }
.file-upload .icon { font-size: 34px; margin-bottom: 12px; }

/* Inbox */
.inbox-list { max-height: 600px; overflow-y: auto; }

.inbox-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  cursor: pointer;
  transition: background 0.15s;
}

.inbox-item:hover { background: rgba(255,255,255,0.03); }
.inbox-item .phone { font-weight: 500; font-size: 14px; }
.inbox-item .preview { font-size: 13px; color: var(--text-muted); flex: 1; }
.inbox-item .time { font-size: 12px; color: var(--text-muted); }
.inbox-item .unread {
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 10px;
  font-weight: 500;
}

/* Messages thread */
.messages-thread { max-height: 500px; overflow-y: auto; padding: 16px; }

.message {
  max-width: 70%;
  padding: 10px 14px;
  border-radius: 10px;
  margin-bottom: 8px;
  font-size: 14px;
}

.message.incoming {
  background: var(--card);
  border: 1px solid var(--border);
  border-bottom-left-radius: 3px;
}

.message.outgoing {
  background: var(--accent);
  margin-left: auto;
  border-bottom-right-radius: 3px;
}

.message .time { font-size: 11px; color: rgba(255,255,255,0.45); margin-top: 4px; }

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 32px 16px;
  overflow-y: auto;
  z-index: 100;
}

.modal {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  width: 100%;
  max-width: 500px;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  margin: auto;
}

.modal h2 { font-size: 17px; font-weight: 600; margin-bottom: 16px; }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 18px;
  border-radius: 6px;
  font-size: 14px;
  z-index: 200;
  animation: slideIn 0.2s ease;
  max-width: 320px;
}

.toast-success {
  background: rgba(16,185,129,0.15);
  color: var(--accent);
  border: 1px solid rgba(16,185,129,0.3);
}

.toast-error {
  background: rgba(239,68,68,0.15);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.3);
}

@keyframes slideIn {
  from { transform: translateY(12px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* Loading */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  border-top-color: var(--accent);
  animation: spin 0.7s linear infinite;
}

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

.loading-center { display: flex; justify-content: center; padding: 48px; }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 64px 20px;
  color: var(--text-muted);
}

.empty-state .icon { font-size: 44px; margin-bottom: 14px; opacity: 0.5; }
.empty-state p { font-size: 14px; }

/* Account cards */
.acc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.acc-card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  border-left-width: 3px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.15s;
}

.acc-card:hover { background: var(--card-hover); }

.acc-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.acc-card-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.acc-card-phone {
  font-size: 13px;
  color: var(--text-muted);
}

.acc-card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.acc-card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.acc-card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  gap: 8px;
}

.acc-card-label {
  color: var(--text-muted);
  white-space: nowrap;
}

.acc-card-id-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.acc-card-id-wrap code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 11px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 160px;
  display: inline-block;
}

.acc-card-actions {
  display: flex;
  gap: 8px;
  padding-top: 4px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

/* Client groups (pastas de cliente) */
.client-groups {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.client-group {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.client-group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 18px;
  background: var(--bg-secondary);
  cursor: pointer;
  user-select: none;
  gap: 12px;
  transition: background 0.15s;
}

.client-group-header:hover {
  background: rgba(255,255,255,0.03);
}

.client-group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.client-count {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-muted);
  background: rgba(255,255,255,0.06);
  padding: 2px 8px;
  border-radius: 10px;
}

.client-group-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.client-group-body {
  padding: 16px;
  background: var(--bg);
}

.acc-move-select {
  background: var(--bg-secondary);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 12px;
  cursor: pointer;
  max-width: 160px;
  transition: border-color 0.15s;
}

.acc-move-select:focus {
  outline: none;
  border-color: var(--accent);
}

/* Tools / formatador */
.tools-steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tools-step {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px;
}

.tools-step-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.tools-step-num {
  width: 24px;
  height: 24px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  color: #fff;
}

.tools-col-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 360px;
  overflow-y: auto;
}

.tools-col-row {
  display: grid;
  grid-template-columns: 32px 1fr 90px 130px 120px;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg);
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 13px;
}

.tools-col-row input[type="checkbox"] {
  width: 15px;
  height: 15px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--accent);
}

.tools-col-row input[type="text"],
.tools-col-row select {
  padding: 5px 8px;
  font-size: 12px;
}

.tools-vars-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tools-var-row {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg);
  border-radius: 6px;
  border: 1px solid var(--border);
}

.tools-var-row input {
  padding: 6px 8px;
  font-size: 13px;
}

.tools-preview-table {
  width: 100%;
  overflow-x: auto;
  font-size: 12px;
}

.tools-preview-table table {
  min-width: 100%;
}

.tools-preview-table th {
  font-size: 11px;
  background: var(--bg);
  white-space: nowrap;
}

.tools-preview-table td {
  white-space: nowrap;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tools-summary {
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: 6px;
  padding: 14px 18px;
  font-size: 14px;
  color: var(--accent);
}

.drop-zone {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--accent);
  background: rgba(16,185,129,0.04);
}

.drop-zone p { color: var(--text-muted); font-size: 14px; margin-top: 8px; }
.drop-zone .drop-icon { font-size: 34px; }

/* Toggle switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
  cursor: pointer;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-slider {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #2a2a2a;
  border-radius: 22px;
  transition: background 0.15s;
  border: 1px solid var(--border);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 2px;
  bottom: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: transform 0.15s, background 0.15s;
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--accent);
  border-color: var(--accent);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(18px);
  background: #fff;
}

/* Responsivo */
@media (max-width: 768px) {
  .sidebar {
    z-index: 50;
  }

  .acc-grid {
    grid-template-columns: 1fr;
  }

  .tools-col-row {
    grid-template-columns: 32px 1fr 1fr;
  }

  .tools-var-row {
    grid-template-columns: 1fr;
  }

  /* Etapa 3: variáveis + preview colapsa pra 1 coluna */
  #variables-card > div[style*="grid-template-columns"],
  .tools-step > div[style*="grid-template-columns: 1fr 1fr"],
  .tools-step > div[style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  #template-preview {
    position: static !important;
  }

  .main {
    padding: 16px;
  }

  .modal-overlay {
    padding: 16px;
    align-items: flex-start;
  }

  .modal {
    max-height: calc(100vh - 32px);
  }
}