:root {
  --bg-body: #eef3f2;
  --bg-panel: #ffffff;
  --bg-soft: #f6f8f7;
  --text-primary: #182321;
  --text-secondary: #60706b;
  --border-color: #dce5e2;
  --primary: #25d366;
  --primary-dark: #128c7e;
  --accent: #2563eb;
  --warning-soft: #fff7db;
  --shadow: 0 18px 45px rgba(21, 38, 34, 0.09);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(37, 211, 102, 0.16), transparent 32rem),
    linear-gradient(180deg, #f7faf9 0%, var(--bg-body) 100%);
  color: var(--text-primary);
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.app-kicker,
.section-label {
  color: var(--primary-dark);
  display: inline-flex;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.app-header h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1;
  margin: 0 0 10px;
}

.app-header p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin: 0;
  max-width: 620px;
}

.header-status {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(21, 38, 34, 0.07);
  color: var(--text-primary);
  display: inline-flex;
  flex: 0 0 auto;
  font-weight: 700;
  gap: 8px;
  padding: 10px 14px;
}

.header-actions {
  align-items: center;
  display: flex;
  flex: 0 0 auto;
  gap: 10px;
}

.header-user {
  align-items: center;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  color: var(--text-secondary);
  display: inline-flex;
  font-weight: 700;
  gap: 8px;
  padding: 10px 14px;
}

.logout-link {
  color: var(--text-primary);
  text-decoration: none;
}

.logout-link:hover,
.logout-link:focus {
  color: var(--primary-dark);
}

.status-dot {
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(37, 211, 102, 0.16);
  height: 10px;
  width: 10px;
}

.metrics-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 22px;
}

.metric-card,
.panel {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.metric-card {
  align-items: center;
  border-radius: 8px;
  display: flex;
  gap: 12px;
  min-height: 86px;
  padding: 16px;
}

.metric-icon {
  align-items: center;
  background: rgba(37, 211, 102, 0.12);
  border-radius: 8px;
  color: var(--primary-dark);
  display: inline-flex;
  flex: 0 0 44px;
  font-size: 1.2rem;
  height: 44px;
  justify-content: center;
  width: 44px;
}

.metric-icon.muted {
  background: #eef1f3;
  color: #5d6973;
}

.metric-icon.info {
  background: rgba(37, 99, 235, 0.11);
  color: var(--accent);
}

.metric-icon.danger {
  background: rgba(220, 38, 38, 0.11);
  color: #dc2626;
}

.metric-card strong {
  display: block;
  font-size: 1.35rem;
  line-height: 1.1;
}

.metric-card span:last-child {
  color: var(--text-secondary);
  display: block;
  font-size: 0.9rem;
  margin-top: 4px;
}

.panel {
  border-radius: 8px;
  padding: 24px;
}

.panel-header {
  align-items: flex-start;
  display: flex;
  justify-content: space-between;
  margin-bottom: 18px;
}

.panel h2 {
  align-items: center;
  display: flex;
  font-size: 1.18rem;
  font-weight: 800;
  gap: 10px;
  margin: 0;
}

.upload-zone {
  align-items: center;
  background: var(--bg-soft);
  border: 1px dashed #b8c8c3;
  border-radius: 8px;
  display: grid;
  gap: 18px;
  grid-template-columns: 54px 1fr;
  padding: 18px;
}

.upload-zone > i {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--primary-dark);
  display: flex;
  font-size: 1.55rem;
  height: 54px;
  justify-content: center;
  width: 54px;
}

.form-label {
  color: #263633;
  font-size: 0.92rem;
  margin-bottom: 7px;
}

.form-control,
.form-select {
  border-color: #cdd9d5;
  border-radius: 8px;
  min-height: 44px;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.2rem rgba(37, 211, 102, 0.2);
}

small,
.field-help {
  color: var(--text-secondary);
  display: block;
  margin-top: 7px;
}

.template-fields {
  background: var(--bg-soft);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px;
}

.media-upload {
  align-items: flex-start;
  background: #fbfcfc;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: grid;
  gap: 14px;
  grid-template-columns: 44px 1fr;
  padding: 16px;
}

.media-upload-icon {
  align-items: center;
  background: rgba(37, 99, 235, 0.11);
  border-radius: 8px;
  color: var(--accent);
  display: flex;
  font-size: 1.18rem;
  height: 44px;
  justify-content: center;
  width: 44px;
}

.media-upload-status {
  align-items: center;
  color: var(--text-secondary);
  display: flex;
  font-size: 0.88rem;
  gap: 7px;
  margin-top: 9px;
}

.media-upload-status.active {
  color: var(--primary-dark);
  font-weight: 700;
}

.empty-state {
  align-items: center;
  color: var(--text-secondary);
  display: flex;
  gap: 9px;
  min-height: 42px;
}

.variable-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.batch-panel {
  background: #fbfcfc;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-top: 18px;
  padding: 16px;
}

#batchPauseConfig {
  display: none;
  margin-top: 14px;
}

#batchPauseConfig.active {
  display: flex;
  animation: slideDown 0.22s ease;
}

.form-check-input:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

.notice {
  align-items: flex-start;
  background: var(--warning-soft);
  border: 1px solid #f2dd95;
  border-radius: 8px;
  color: #5f4d16;
  display: flex;
  gap: 10px;
  margin: 18px 0;
  padding: 13px 14px;
}

.btn-whatsapp {
  align-items: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border: 0;
  border-radius: 8px;
  color: #ffffff;
  display: inline-flex;
  font-size: 1rem;
  font-weight: 800;
  gap: 10px;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
}

.btn-whatsapp:hover,
.btn-whatsapp:focus {
  background: linear-gradient(135deg, #1fc15b 0%, #0d776b 100%);
  color: #ffffff;
}

.preview-panel {
  position: sticky;
  top: 24px;
}

.whatsapp-preview {
  background:
    linear-gradient(rgba(11, 20, 26, 0.92), rgba(11, 20, 26, 0.92)),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 13px);
  border-radius: 8px;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  min-height: 520px;
  overflow: hidden;
  padding: 18px;
}

.whatsapp-header {
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  gap: 12px;
  margin: -18px -18px 18px;
  padding: 16px 18px;
}

.whatsapp-avatar {
  align-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  font-weight: 800;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.whatsapp-contact-info h3 {
  font-size: 0.98rem;
  font-weight: 800;
  margin: 0;
}

.whatsapp-contact-info small {
  color: rgba(255, 255, 255, 0.65);
  margin: 0;
}

#previewContent {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
}

.preview-placeholder {
  align-items: center;
  color: rgba(255, 255, 255, 0.72);
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: center;
}

.preview-placeholder i {
  font-size: 2rem;
}

.message-bubble {
  align-self: flex-start;
  background: #ffffff;
  border-radius: 8px 8px 8px 2px;
  color: #182321;
  max-width: 92%;
  padding: 13px 14px 9px;
  position: relative;
}

.message-preview-image {
  border-radius: 8px 8px 3px 3px;
  display: block;
  margin: -13px -14px 12px;
  max-height: 260px;
  object-fit: cover;
  width: calc(100% + 28px);
}

.message-bubble-image-only {
  padding-bottom: 7px;
  width: min(92%, 360px);
}

.message-bubble-image-only .message-preview-image {
  margin-bottom: 0;
}

.message-bubble h4 {
  font-size: 0.95rem;
  font-weight: 800;
  margin: 0 0 8px;
}

.message-bubble p {
  color: #2f3b39;
  line-height: 1.45;
  margin: 0;
  white-space: pre-wrap;
}

.message-time {
  color: #86928f;
  display: block;
  font-size: 0.73rem;
  margin-top: 8px;
  text-align: right;
}

.modal-content {
  border: 0;
  border-radius: 8px;
}

.list-group-item {
  padding-left: 0;
  padding-right: 0;
}

.login-body {
  align-items: center;
  display: flex;
  min-height: 100vh;
}

.login-shell {
  align-items: center;
  display: grid;
  gap: 42px;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 430px);
  margin: 0 auto;
  padding: 32px;
  width: min(1040px, 100%);
}

.login-brand h1 {
  font-size: clamp(2.5rem, 7vw, 4.6rem);
  font-weight: 850;
  letter-spacing: 0;
  line-height: 0.95;
  margin: 0 0 16px;
}

.login-brand p {
  color: var(--text-secondary);
  font-size: 1.08rem;
  line-height: 1.55;
  margin: 0;
  max-width: 560px;
}

.login-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 26px;
}

.login-card-header {
  align-items: center;
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
}

.login-card-header h2 {
  font-size: 1.35rem;
  font-weight: 850;
  margin: 0;
}

.login-card-header p {
  color: var(--text-secondary);
  margin: 3px 0 0;
}

.input-with-icon {
  position: relative;
}

.input-with-icon i {
  color: var(--text-secondary);
  left: 14px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
}

.input-with-icon .form-control {
  padding-left: 42px;
}

.login-hint {
  color: var(--text-secondary);
  font-size: 0.84rem;
  margin: 16px 0 0;
  text-align: center;
}

.report-filters {
  display: grid;
  gap: 14px;
  grid-template-columns: 1.4fr 1fr 1fr 1fr auto;
}

.report-filter-actions {
  align-items: end;
  display: flex;
  gap: 10px;
}

.report-table {
  margin-bottom: 0;
}

.report-table thead th {
  background: var(--bg-soft);
  color: var(--text-secondary);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.report-table td,
.report-table th {
  border-color: var(--border-color);
  vertical-align: middle;
}

.status-pill {
  background: rgba(37, 99, 235, 0.1);
  border-radius: 999px;
  color: var(--accent);
  display: inline-flex;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 5px 9px;
}

.dashboard-shell {
  width: min(1280px, calc(100% - 32px));
}

.dashboard-toolbar,
.dashboard-table-header,
.dashboard-pagination {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

.dashboard-filter {
  align-items: end;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(260px, 1.5fr) minmax(150px, 0.8fr) minmax(150px, 0.8fr) auto;
  min-width: min(760px, 100%);
}

.dashboard-refresh {
  min-width: 132px;
}

.dashboard-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(320px, 0.9fr) minmax(320px, 1.1fr);
}

.chart-wrap {
  height: 320px;
  position: relative;
}

.error-summary {
  display: grid;
  gap: 10px;
}

.error-row {
  align-items: center;
  background: #fff5f5;
  border: 1px solid #fecaca;
  border-radius: 8px;
  color: #7f1d1d;
  display: flex;
  justify-content: space-between;
  padding: 12px 14px;
}

.dashboard-search {
  max-width: 360px;
  position: relative;
  width: 100%;
}

.dashboard-search i {
  color: var(--text-secondary);
  left: 14px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

.dashboard-search .form-control {
  padding-left: 40px;
}

.dashboard-table .failed-row td {
  color: #7f1d1d;
}

.status-pill-danger {
  background: rgba(220, 38, 38, 0.12);
  color: #dc2626;
}

.dashboard-pagination {
  border-top: 1px solid var(--border-color);
  margin-top: 16px;
  padding-top: 16px;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 992px) {
  .app-header {
    flex-direction: column;
  }

  .header-actions {
    width: 100%;
  }

  .preview-panel {
    position: static;
  }

  .whatsapp-preview {
    min-height: 380px;
  }

  .login-shell {
    grid-template-columns: 1fr;
  }

  .report-filters {
    grid-template-columns: 1fr 1fr;
  }

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

  .dashboard-filter {
    grid-template-columns: 1fr 1fr;
    min-width: 100%;
  }
}

@media (max-width: 768px) {
  .app-shell {
    width: min(100% - 20px, 1180px);
    padding: 20px 0;
  }

  .metrics-grid,
  .variable-grid {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 18px;
  }

  .upload-zone {
    grid-template-columns: 1fr;
  }

  .media-upload {
    grid-template-columns: 1fr;
  }

  .header-status {
    width: 100%;
  }

  .header-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .header-user,
  .logout-link {
    justify-content: center;
    width: 100%;
  }

  .login-shell {
    gap: 24px;
    padding: 20px 10px;
  }

  .login-card {
    padding: 20px;
  }

  .report-filters {
    grid-template-columns: 1fr;
  }

  .report-filter-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .dashboard-toolbar,
  .dashboard-table-header,
  .dashboard-pagination {
    align-items: stretch;
    flex-direction: column;
  }

  .dashboard-search {
    max-width: none;
  }

  .dashboard-filter {
    grid-template-columns: 1fr;
  }

  .dashboard-refresh {
    width: 100%;
  }
}