:root {
  --primary-color: #075E54;
  --primary-dark: #054640;
  --secondary-color: #34B7F1;
  --text-color: #334155;
  --text-muted: #64748b;
  --light-gray: #f8fafc;
  --border-color: #e2e8f0;
  --shadow-color: rgba(0, 0, 0, 0.05);
  --success-color: #10b981;
  --error-color: #ef4444;
  --whatsapp-green: #075E54;
  --whatsapp-light-green: #dcf8c6;
  --whatsapp-bg: #efeae2;
  --table-header-bg: #f8fafc;
  --table-row-bg: #ffffff;
  --table-row-alt-bg: #f8fafc;
  --table-text-color: #334155;
  --table-border-color: #e2e8f0;

  --preview-modal-width: 480px;
  --preview-modal-right-initial-offset: 30px;
  --preview-modal-top-initial-offset: 100px;

  --main-container-width-vw: 95vw;
  --main-container-max-width-px: 1800px;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #e5ddd5;
  margin: 0;
  padding: 20px;
  color: #333;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 10px var(--shadow-color);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.header {
  background-color: var(--primary-color);
  color: white;
  padding: 20px;
  text-align: center;
}

.header h1 {
  margin: 0;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.content-wrapper {
  display: flex;
  gap: 20px;
  position: relative;
}

.form-section {
  flex-grow: 1;
  padding: 25px;
  min-width: 0;
}

.preview-section {
  background-color: #f8fafc;
  padding: 0;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  width: 100%;
  margin-top: 20px;
  border: 1px solid var(--border-color);
}

.preview-section-content {
  padding: 20px;
  overflow-y: auto;
  flex-grow: 1;
}

.preview-section-header {
  padding: 10px 20px;
  border-bottom: 1px solid var(--border-color);
  background-color: #e2e8f0;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
  cursor: move;
  user-select: none;
}

.preview-section-header h3 {
  text-align: center;
  color: #1e293b;
  font-weight: 600;
  margin: 0;
  font-size: 1.1em;
  pointer-events: none;
}

@media (min-width: 992px) {
  .form-section {
    padding-right: 0;
  }

  .preview-section {
    flex: 0 0 450px;
    position: sticky;
    top: 25px;
    margin-top: 25px;
    margin-right: 25px;
    height: max-content;
    max-height: calc(100vh - 50px);
    z-index: 10;
  }

  .preview-section-content {
    max-height: calc(100vh - var(--preview-modal-top-initial-offset) - 20px - 50px);
  }
}

.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}

.form-col {
  flex: 1;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #555;
  text-transform: uppercase;
  font-size: 0.8rem;
}

input[type="text"],
input[type="number"],
input[type="password"],
input[type="url"],
select,
textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.95em;
  transition: all 0.3s;
  background-color: #f8f9fa;
  color: #334155;
  font-family: inherit;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
input[type="url"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(7, 94, 84, 0.15);
  background-color: #ffffff;
}

input[disabled] {
  background-color: #e2e8f0;
  color: #94a3b8;
  cursor: not-allowed;
  opacity: 0.8;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.file-input-container {
  position: relative;
  overflow: hidden;
  display: inline-block;
  width: 100%;
}

.file-input-label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background-color: var(--light-gray);
  border: 2px dashed var(--whatsapp-green);
  color: var(--primary-color);
  border-radius: 8px;
  cursor: pointer;
  text-align: center;
  transition: all 0.3s;
  font-weight: bold;
}

.file-input-label:hover {
  background-color: var(--whatsapp-green);
  color: white;
}

.file-input-label i {
  margin-right: 8px;
}

.file-input {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.file-name {
  margin-top: 8px;
  font-size: 0.85em;
  color: var(--text-muted);
  text-align: center;
  word-break: break-all;
  font-weight: bold;
}

.input-group {
  display: flex;
  align-items: center;
}

.input-group input {
  flex-grow: 1;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group-append {
  padding: 12px;
  background-color: var(--light-gray);
  border: 1px solid var(--border-color);
  border-left: none;
  border-top-right-radius: 8px;
  border-bottom-right-radius: 8px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9em;
}

.input-group-range {
  display: flex;
  align-items: center;
  gap: 10px;
}

.input-group-range input {
  flex-grow: 1;
  border-radius: 8px;
}

.input-group-range .range-separator {
  font-weight: bold;
  color: var(--text-muted);
  padding: 0 5px;
  font-size: 0.85rem;
}

button#enviarBtn {
  background: var(--whatsapp-green);
  color: white;
  padding: 16px 24px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1em;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  width: 100%;
  margin-top: 20px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

button#enviarBtn:hover:not(:disabled) {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(7, 94, 84, 0.2);
}

button#enviarBtn:disabled {
  background: #cbd5e1;
  color: #f8fafc;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.emoji-container {
  position: relative;
  margin-top: 10px;
}

.emoji-button {
  position: absolute;
  right: 15px;
  top: -45px;
  background-color: transparent;
  border: none;
  font-size: 1.5em;
  color: #666;
  cursor: pointer;
  width: auto;
  padding: 5px;
  margin: 0;
  z-index: 10;
}

.emoji-button:hover {
  color: var(--primary-color);
}

.emoji-picker {
  position: absolute;
  bottom: 40px;
  right: 0;
  z-index: 999;
  background-color: #ffffff;
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  width: 320px;
  height: 300px;
  overflow-y: auto;
  display: none;
  padding: 10px;
}

.emoji-picker.active {
  display: block;
}

.emoji-categories {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 5px;
  margin-bottom: 5px;
}

.emoji-category {
  padding: 5px 10px;
  cursor: pointer;
  border-radius: 4px;
  font-size: 0.8em;
  color: var(--text-muted);
}

.emoji-category:hover,
.emoji-category.active {
  background-color: var(--light-gray);
  color: var(--text-color);
}

.emoji-list {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 5px;
}

.emoji {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5em;
  cursor: pointer;
  padding: 5px;
  border-radius: 4px;
}

.emoji:hover {
  background-color: var(--light-gray);
}

.whatsapp-preview {
  background-color: var(--whatsapp-bg);
  border-radius: 12px;
  overflow: hidden;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
  background-image: url('https://user-images.githubusercontent.com/15075759/28719144-86dc0f70-73b1-11e7-911d-60d70fcded21.png');
  background-blend-mode: multiply;
}

.whatsapp-header {
  background-color: var(--whatsapp-green);
  color: white;
  padding: 15px 20px;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  z-index: 2;
}

.whatsapp-header .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #dfe5e7;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 15px;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.2rem;
}

.whatsapp-header .contact-info {
  flex-grow: 1;
  display: flex;
  align-items: center;
  gap: 12px;
}

.whatsapp-header .contact-name {
  font-weight: bold;
  font-size: 1.1em;
}

.whatsapp-header .contact-status {
  font-size: 0.8em;
  opacity: 0.8;
}

.contact-status .count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #25D366;
  color: white;
  font-weight: bold;
  font-size: 1.2em;
  min-width: 36px;
  height: 36px;
  border-radius: 50%;
  padding: 0 6px;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
  line-height: 1;
}

.whatsapp-chat {
  flex-grow: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  min-height: 250px;
}

.message-container {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 10px;
  width: 100%;
}

.message-bubble {
  display: inline-block;
  padding: 8px 10px;
  border-radius: 8px;
  position: relative;
  word-wrap: break-word;
  text-align: left;
  max-width: 85%;
  width: auto;
  min-width: 0;
  background-color: var(--whatsapp-light-green);
  border-top-right-radius: 0;
  box-shadow: 0 1px 1px rgba(11, 20, 26, 0.15);
}

.message-bubble::after {
  content: '';
  position: absolute;
  top: 0;
  right: -8px;
  width: 0;
  height: 0;
  border-left: 10px solid var(--whatsapp-light-green);
  border-top: 10px solid transparent;
}

.message-content {
  white-space: pre-wrap;
  font-size: 0.95rem;
  color: #111b21;
}

.message-time {
  font-size: 0.65rem;
  color: #667781;
  text-align: right;
  margin-top: 4px;
  display: block;
  float: right;
  margin-left: 12px;
}

.message-content b {
  font-weight: bold;
}

.message-content i {
  font-style: italic;
}

.message-content s {
  text-decoration: line-through;
}

.message-content code {
  font-family: monospace;
  background-color: rgba(0, 0, 0, 0.05);
  padding: 1px 5px;
  border-radius: 3px;
}

.message-image-container {
  max-width: 85%;
  align-self: flex-end;
  margin-bottom: 10px;
}

.message-image-bubble {
  background-color: var(--whatsapp-light-green);
  border-radius: 8px;
  border-top-right-radius: 0;
  padding: 4px;
  position: relative;
  overflow: hidden;
  display: inline-block;
  width: auto;
  box-shadow: 0 1px 1px rgba(11, 20, 26, 0.15);
}

.message-image-bubble::after {
  content: '';
  position: absolute;
  top: 0;
  right: -8px;
  width: 0;
  height: 0;
  border-left: 10px solid var(--whatsapp-light-green);
  border-top: 10px solid transparent;
}

.message-image {
  max-width: 100%;
  border-radius: 6px;
  display: block;
  max-height: 250px;
  object-fit: cover;
}

.message-caption {
  padding: 8px 5px 2px 5px;
  word-wrap: break-word;
  white-space: pre-wrap;
  font-size: 0.95rem;
  color: #111b21;
}

.results-table-container {
  margin-top: 20px;
  overflow-x: auto;
  display: none;
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  table-layout: fixed;
}

.results-table th {
  background-color: var(--table-header-bg);
  color: white;
  padding: 12px;
  text-align: left;
  font-weight: 600;
  border: 1px solid var(--table-border-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  position: relative;
}

.results-table th .sort-arrow {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.8em;
}

.results-table td {
  padding: 10px;
  border: 1px solid var(--table-border-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.results-table tr:nth-child(even) {
  background-color: var(--table-row-alt-bg);
}

.results-table tr:nth-child(odd) {
  background-color: var(--table-row-bg);
}

.results-table tr:hover {
  background-color: #f1f5f9;
}

.table-pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 15px;
  font-size: 0.9em;
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pagination-button {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 4px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.9em;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pagination-button:hover:not(:disabled) {
  background-color: var(--secondary-color);
  color: white;
  border-color: var(--primary-dark);
}

.pagination-button:disabled {
  background-color: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.05);
  color: #64748b;
  cursor: not-allowed;
  opacity: 1;
}

.pagination-info {
  font-size: 0.9em;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
  font-weight: bold;
}

.page-size-selector {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: bold;
  color: var(--text-muted);
}

.page-size-selector select {
  padding: 6px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  font-size: 0.9em;
}

.csv-loading {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
  margin-left: 8px;
  vertical-align: middle;
}

.upload-row {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}

.upload-col {
  flex: 1;
}

.page-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
}

.page-overlay .loading-spinner-container {
  text-align: center;
  color: white;
  font-weight: bold;
  letter-spacing: 1px;
}

.page-overlay .loading-spinner {
  width: 60px;
  height: 60px;
  border: 5px solid #f3f3f3;
  border-top: 5px solid var(--secondary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px auto;
}

.message-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 1010;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.message-modal-content {
  background-color: white;
  color: #1e293b;
  padding: 30px 40px;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  text-align: center;
  box-shadow: 0 5px 30px rgba(0, 0, 0, 0.2);
  min-width: 320px;
  max-width: 500px;
}

.message-modal-content p {
  margin-bottom: 25px;
  font-size: 1.15em;
  line-height: 1.6;
  font-weight: bold;
}

.message-modal-content button {
  background-color: var(--primary-color);
  color: white;
  padding: 12px 30px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1em;
  font-weight: 600;
  transition: background-color 0.3s;
}

.message-modal-content button:hover {
  background-color: var(--primary-dark);
}

.message-modal.success .message-modal-content p {
  color: var(--success-color);
}

.message-modal.error .message-modal-content p {
  color: var(--error-color);
}

.status-Enviado {
  color: #0f5132;
  background: #d1e7dd;
}

.status-Pendente {
  color: #856404;
  background: #fff3cd;
}

.status-Falhou,
.status-Erro_TentandoNovamente {
  color: #842029;
  background: #f8d7da;
}

#queueStats span {
  padding: 4px 10px;
  border-radius: 12px;
  font-weight: bold;
}

@media (max-width: 991px) {
  .content-wrapper {
    flex-direction: column;
  }

  .form-section {
    width: 100%;
    padding-right: 25px;
    border-right: none;
  }

  .preview-section {
    position: static;
    width: 100%;
    max-height: none;
    top: auto;
    right: auto;
    left: auto;
    margin-top: 20px;
    box-shadow: none;
    border-top: 1px solid var(--border-color);
    border-radius: 0;
    cursor: default;
  }

  .preview-section-header {
    cursor: default;
  }

  .form-row,
  .upload-row {
    flex-direction: column;
    gap: 20px;
  }

  .emoji-picker {
    right: 0;
    left: 0;
    width: 100%;
  }

  .table-pagination {
    flex-direction: column;
    gap: 10px;
  }
}

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