/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #667eea;
  --primary-dark: #5a6fd6;
  --secondary: #764ba2;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --bg: #f8fafc;
  --bg-dark: #1e293b;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --card-bg: #ffffff;
  --sidebar-bg: #1e293b;
  --sidebar-hover: #334155;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* Auth Overlay & Modal */
.auth-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Hide auth overlay when dashboard is shown */
.app-container:not([style*="display: none"]) ~ .auth-overlay,
.auth-overlay[style*="display: none"] {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.auth-modal {
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 450px;
  padding: 2rem;
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-header i {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.auth-header h2 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.auth-header p {
  color: var(--text-light);
  font-size: 0.9rem;
}

.auth-form .form-group {
  margin-bottom: 1.25rem;
}

.auth-form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text);
  font-size: 0.9rem;
}

.auth-form input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.auth-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.error-message {
  background: #fee2e2;
  color: #dc2626;
  padding: 0.75rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  display: none;
}

.error-message.show {
  display: block;
}

.auth-loading {
  text-align: center;
  padding: 2rem;
}

.auth-loading i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.auth-loading p {
  color: var(--text-light);
}

.btn-block {
  width: 100%;
  margin-top: 1rem;
}

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

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--sidebar-bg);
  color: white;
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  left: 0;
  top: 0;
  z-index: 1000;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 600;
}

.logo i {
  font-size: 24px;
  color: var(--primary);
}

.sidebar-nav {
  flex: 1;
  padding: 20px 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.3s;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: var(--sidebar-hover);
  color: white;
  border-left-color: var(--primary);
}

.nav-item.active {
  background: var(--sidebar-hover);
  color: white;
  border-left-color: var(--primary);
}

.nav-item i {
  width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 0;
  min-height: 100vh;
}

/* Bottom Navigation (Mobile) - Hidden on desktop */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  border-top: 1px solid var(--border);
  display: none !important;
  z-index: 1200;
  padding: 8px max(16px, env(safe-area-inset-right))
    calc(8px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  box-shadow: 0 -6px 20px rgba(15, 23, 42, 0.08);
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--text-light);
  font-size: 11px;
  gap: 3px;
  padding: 6px 2px;
  transition: color 0.2s ease;
  min-width: 0;
}

.bottom-nav-item i {
  font-size: 16px;
}

.bottom-nav-item.active {
  color: var(--primary);
  font-weight: 600;
}

.top-header {
  background: var(--card-bg);
  padding: 20px 30px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-header h1 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.btn-icon {
  width: 40px;
  height: 40px;
  border: none;
  background: var(--bg);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  transition: all 0.3s;
}

.btn-icon:hover {
  background: var(--border);
  color: var(--primary);
}

.user-menu {
  position: relative;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: background 0.2s;
  background: var(--bg);
}

.user-menu:hover {
  background: #e2e8f0;
}

.user-menu i {
  font-size: 1.5rem;
  color: var(--primary);
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  padding: 1rem;
  z-index: 1000;
}

.user-info {
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.75rem;
}

.user-info strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.user-info small {
  display: block;
  color: var(--text-light);
  font-size: 0.85rem;
}

.logout-btn {
  width: 100%;
  padding: 0.5rem;
  background: var(--danger);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.logout-btn:hover {
  background: #dc2626;
}

/* Tab Panels */
.tab-panel {
  display: none;
  padding: 30px;
}

.tab-panel.active {
  display: block;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .stat-card {
    padding: 20px;
  }

  .stat-icon {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }

  .stat-number {
    font-size: 28px;
  }
}

.stat-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.stat-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
}

.stat-icon.blue {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.stat-icon.green {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}
.stat-icon.orange {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}
.stat-icon.purple {
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.stat-info {
  flex: 1;
}

.stat-info h3 {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 8px;
  font-weight: 500;
}

.stat-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.stat-change {
  font-size: 12px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-change.positive {
  color: var(--success);
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.card-header h3,
.card-header h4 {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}

.usage-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-light);
  flex-wrap: wrap;
}

.usage-card-meta strong {
  color: var(--text);
}

.view-all {
  color: var(--primary);
  text-decoration: none;
  font-size: 14px;
}

.view-all:hover {
  text-decoration: underline;
}

.card-body {
  padding: 20px;
}

/* Panel Header */
.panel-header {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

.panel-header h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 0;
}

.panel-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.panel-subtitle {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 4px;
}

.search-box {
  flex: 1;
  min-width: 250px;
  position: relative;
}

.search-box i {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
}

.search-box input {
  width: 100%;
  padding: 12px 15px 12px 45px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.3s;
}

.search-box input:focus {
  border-color: var(--primary);
}

.filter-group {
  display: flex;
  gap: 10px;
}

.filter-select {
  padding: 12px 15px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  cursor: pointer;
  background: var(--card-bg);
  color: var(--text);
}

/* Table */
.table-container {
  overflow-x: auto;
}

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

thead {
  background: var(--bg);
}

th {
  padding: 15px;
  text-align: left;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  border-bottom: 2px solid var(--border);
}

td {
  padding: 15px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

tbody tr {
  transition: background 0.2s;
}

tbody tr:hover {
  background: var(--bg);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-pending {
  background: #fef3c7;
  color: #92400e;
}

.badge-confirmed {
  background: #dbeafe;
  color: #1e40af;
}

.badge-in_progress {
  background: #e0e7ff;
  color: #3730a3;
}

.badge-completed {
  background: #d1fae5;
  color: #065f46;
}

.badge-cancelled {
  background: #fee2e2;
  color: #991b1b;
}

.badge-success {
  background: #d1fae5;
  color: #065f46;
}

.badge-danger {
  background: #fee2e2;
  color: #991b1b;
}

.badge-warning {
  background: #fef3c7;
  color: #92400e;
}

.status-select {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  background: white;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s;
  min-width: 120px;
}

.status-select:hover {
  border-color: var(--primary);
}

.status-select.status-pending {
  border-color: var(--warning);
  background: rgba(245, 158, 11, 0.1);
}

.status-select.status-confirmed {
  border-color: var(--info);
  background: rgba(59, 130, 246, 0.1);
}

.status-select.status-in_progress {
  border-color: var(--primary);
  background: rgba(102, 126, 234, 0.1);
}

.status-select.status-completed {
  border-color: var(--success);
  background: rgba(16, 185, 129, 0.1);
}

.status-select.status-cancelled {
  border-color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* Buttons */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--border);
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-info {
  background: var(--info);
  color: white;
}

.btn-info:hover {
  background: #2563eb;
}

/* Chat Test */
.chat-test-container {
  max-width: 900px;
  margin: 0 auto;
}

/* Buffer Status */
.buffer-status {
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 8px;
  padding: 12px 20px;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.buffer-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.buffer-indicator i {
  color: #ffc107;
  animation: pulse 1.5s infinite;
}

.buffer-progress {
  flex: 1;
  height: 4px;
  background: #ffe69c;
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.buffer-progress::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #ffc107, #ff9800);
  animation: bufferProgress 2.5s linear infinite;
}

@keyframes bufferProgress {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.message.buffered {
  opacity: 0.6;
  border-left: 3px solid #ffc107;
}

.message.buffered .message-text::after {
  content: " (đang chờ...)";
  font-size: 11px;
  color: #ffc107;
  font-style: italic;
}

.chat-test-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.chat-test-header h3 {
  font-size: 24px;
  font-weight: 600;
}

.chat-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.chat-window {
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 600px;
}

.chat-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  background: #f8f9fa;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.message {
  display: flex;
  gap: 12px;
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message.user {
  flex-direction: row-reverse;
}

.message-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.message.bot .message-avatar {
  background: var(--primary);
  color: white;
}

.message.user .message-avatar {
  background: var(--success);
  color: white;
}

.message-content {
  max-width: 70%;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.message.user .message-content {
  align-items: flex-end;
}

.message-text {
  padding: 12px 16px;
  border-radius: 18px;
  word-wrap: break-word;
  white-space: pre-wrap;
  line-height: 1.5;
}

.message.bot .message-text {
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.message.user .message-text {
  background: var(--primary);
  color: white;
  border-bottom-right-radius: 4px;
}

.message.welcome .message-text {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
}

.message-time {
  font-size: 11px;
  color: var(--text-light);
  padding: 0 4px;
}

.message.loading .message-text {
  opacity: 0.6;
  font-style: italic;
}

.message-image-preview {
  margin-top: 8px;
}

.message-image-preview img {
  max-width: 100%;
  max-height: 300px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: transform 0.2s;
}

.message-image-preview img:hover {
  transform: scale(1.02);
}

.chat-input-container {
  padding: 15px 20px;
  border-top: 1px solid var(--border);
  background: white;
  display: flex;
  align-items: center;
  gap: 10px;
}

.input-actions {
  display: flex;
  gap: 5px;
}

.chat-input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 24px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.3s;
}

.chat-input:focus {
  border-color: var(--primary);
}

.chat-info {
  margin-top: 15px;
  padding: 15px;
  background: var(--card-bg);
  border-radius: 8px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-light);
}

.info-item i {
  color: var(--primary);
}

/* Schedule */
.date-selector {
  display: flex;
  align-items: center;
  gap: 10px;
}

.date-input {
  padding: 10px 15px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
}

.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.schedule-item {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s;
}

.schedule-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.schedule-status {
  flex-shrink: 0;
}

.schedule-time {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  min-width: 80px;
}

.schedule-details {
  flex: 1;
  margin-left: 20px;
}

.schedule-customer {
  font-weight: 600;
  margin-bottom: 4px;
}

.schedule-address {
  color: var(--text-light);
  font-size: 14px;
}

.schedule-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr;
  gap: 20px;
}

@media (max-width: 1100px) {
  .schedule-grid {
    grid-template-columns: 1fr;
  }
}

.schedule-column .card-header h4 {
  margin: 0;
}

.work-hours-form {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.work-hours-form .form-group {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 140px;
  font-size: 14px;
  color: var(--text-light);
}

.work-hours-form input[type="time"] {
  margin-top: 4px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
}

.form-status {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-light);
}

.form-status.success {
  color: var(--success);
}

.form-status.error {
  color: var(--danger);
}

.slot-grid-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.slot-grid-header h5 {
  margin: 0;
  font-size: 16px;
}

.slot-grid-header small {
  color: var(--text-light);
}

.slot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.slot-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.slot-card.free {
  border-color: var(--success);
}

.slot-card.booked {
  border-color: var(--primary);
  background: rgba(0, 123, 255, 0.08);
}

.slot-card.busy {
  border-color: var(--danger);
  background: rgba(220, 53, 69, 0.08);
}

.slot-card strong {
  font-size: 15px;
}

.slot-card button {
  margin-top: 4px;
  border: none;
  background: var(--danger);
  color: #fff;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
  cursor: pointer;
}

.slot-card button:disabled {
  background: var(--border);
  color: var(--text-light);
  cursor: not-allowed;
}

.busy-form {
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px dashed var(--border);
}

.busy-form h5 {
  margin: 0 0 10px;
}

.busy-form form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.busy-form select,
.busy-form input[type="text"] {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 14px;
}

.busy-slot-list {
  margin-top: 15px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.busy-slot-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}

.busy-slot-item button {
  border: none;
  background: var(--danger);
  color: #fff;
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
}

/* Status Chart */
.status-chart {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 15px;
}

.status-label {
  min-width: 120px;
  font-size: 14px;
  color: var(--text);
}

.status-bar {
  flex: 1;
  height: 30px;
  background: var(--bg);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.status-fill {
  height: 100%;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 10px;
  color: white;
  font-size: 12px;
  font-weight: 600;
  transition: width 0.5s;
}

.status-count {
  min-width: 40px;
  text-align: right;
  font-weight: 600;
  color: var(--text);
}

/* Recent List */
.recent-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.recent-item {
  padding: 15px;
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s;
}

.recent-item:hover {
  border-color: var(--primary);
  background: var(--bg);
}

/* Settings */
.settings-section {
  margin-bottom: 30px;
}

.settings-section h4 {
  font-size: 18px;
  margin-bottom: 15px;
  color: var(--text);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-bottom: 10px;
}

.section-description {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 15px;
}

.prompt-settings {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.prompt-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.prompt-card.global {
  border-left: 4px solid var(--success);
}

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

.prompt-card h5 {
  font-size: 16px;
  margin-bottom: 6px;
  color: var(--text);
}

.prompt-card p {
  font-size: 14px;
  color: var(--text-light);
}

.prompt-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 10px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.form-control {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-control.full-width {
  grid-column: 1 / -1;
}

.form-control label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
}

.form-control input,
.form-control textarea {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  background: var(--bg);
  transition: border-color 0.2s, background 0.2s;
}

.form-control input:focus,
.form-control textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #ffffff;
}

.prompt-card textarea {
  width: 100%;
  min-height: 140px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  font-size: 14px;
  line-height: 1.5;
  resize: vertical;
  background: var(--bg);
  transition: border-color 0.2s, background 0.2s;
}

.prompt-card textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #ffffff;
}

.prompt-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.prompt-actions .action-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.prompt-status {
  font-size: 13px;
  color: var(--text-light);
}

.prompt-status.success {
  color: var(--success);
}

.prompt-status.error {
  color: var(--danger);
}

.prompt-form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.prompt-form-actions .action-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-light {
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-light:hover {
  background: var(--bg);
}

.loading-state,
.error-state {
  padding: 20px;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--text-light);
}

.error-state {
  color: var(--danger);
  border-color: var(--danger);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.info-item {
  padding: 15px;
  background: var(--bg);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.info-item label {
  font-size: 12px;
  color: var(--text-light);
  text-transform: uppercase;
  font-weight: 600;
}

.info-item span {
  font-size: 16px;
  color: var(--text);
  font-weight: 500;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--card-bg);
  border-radius: 12px;
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

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

.modal-header h3 {
  font-size: 20px;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg);
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  transition: all 0.3s;
}

.modal-close:hover {
  background: var(--border);
}

.modal-body {
  padding: 20px;
}

/* Loading & Empty States */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-light);
}

.empty {
  text-align: center;
  padding: 40px;
  color: var(--text-light);
}

.empty i {
  font-size: 48px;
  margin-bottom: 15px;
  opacity: 0.3;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding-bottom: 90px;
  }

  .top-header {
    padding: 16px 20px;
  }

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

  .bottom-nav {
    display: flex !important;
  }

  .table-container {
    overflow-x: visible;
  }

  .table-container table,
  .table-container thead,
  .table-container tbody,
  .table-container th,
  .table-container td,
  .table-container tr {
    display: block;
    width: 100%;
  }

  .table-container thead {
    display: none;
  }

  .table-container tbody tr {
    margin-bottom: 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    box-shadow: var(--shadow);
  }

  .table-container tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
  }

  .table-container tbody td:last-child {
    border-bottom: none;
  }

  .table-container tbody td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--text-light);
    margin-right: 12px;
    text-align: left;
  }

  .table-container tbody td[data-label="Thao Tác"],
  .table-container tbody td[data-label="Trạng Thái"] {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .table-container tbody td[data-label="Trạng Thái"] select {
    width: 100%;
  }

  .chat-window {
    height: calc(100vh - 280px);
    min-height: 400px;
    max-height: 600px;
  }

  .message-content {
    max-width: 85%;
  }

  .chat-test-container {
    padding: 0 10px;
  }

  .chat-test-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }

  .chat-test-header h3 {
    font-size: 20px;
  }

  .chat-actions {
    width: 100%;
    flex-wrap: wrap;
    gap: 8px;
  }

  .chat-actions .btn {
    flex: 1;
    min-width: calc(50% - 4px);
    font-size: 13px;
    padding: 8px 12px;
  }

  .chat-actions .btn i {
    font-size: 12px;
  }

  .chat-input-container {
    padding: 12px 15px;
    gap: 8px;
  }

  .chat-input {
    font-size: 16px; /* Prevent zoom on iOS */
    padding: 10px 14px;
  }

  .btn-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
  }

  .chat-info {
    flex-direction: column;
    gap: 10px;
    padding: 12px;
  }

  .info-item {
    font-size: 13px;
  }

  .tab-panel {
    padding: 15px 10px;
  }
}

/* Chat History Modal */
#chatHistoryModal .modal-content {
  max-width: 900px;
  height: 90vh;
  display: flex;
  flex-direction: column;
}

#chatHistoryModal .modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  background: #f8f9fa;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.chat-history-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-history-item .message {
  display: flex;
  gap: 12px;
  animation: slideIn 0.3s ease-out;
}

.chat-history-item .message.user {
  flex-direction: row-reverse;
}

.chat-history-item .message-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.chat-history-item .message.bot .message-avatar {
  background: var(--primary);
  color: white;
}

.chat-history-item .message.user .message-avatar {
  background: var(--success);
  color: white;
}

.chat-history-item .message-content {
  max-width: 70%;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chat-history-item .message.user .message-content {
  align-items: flex-end;
}

.chat-history-item .message-text {
  padding: 12px 16px;
  border-radius: 18px;
  word-wrap: break-word;
  white-space: pre-wrap;
  line-height: 1.5;
}

.chat-history-item .message.bot .message-text {
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.chat-history-item .message.user .message-text {
  background: var(--primary);
  color: white;
  border-bottom-right-radius: 4px;
}

.chat-history-item .message-text p {
  margin: 0;
  word-wrap: break-word;
}

.chat-history-item .message-time {
  font-size: 11px;
  color: var(--text-light);
  padding: 0 4px;
  margin-top: 4px;
}

.chat-history-item .message.user .message-time {
  text-align: right;
}

.chat-history-item .message-image-preview {
  margin-top: 0;
}

.chat-history-item .message-image-preview img {
  max-width: 100%;
  max-height: 300px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: transform 0.2s;
  display: block;
}

.chat-history-item .message-image-preview img:hover {
  transform: scale(1.02);
}

.chat-history-item .message-video-preview {
  margin-top: 0;
}

.chat-history-item .message-video-preview video {
  max-width: 100%;
  max-height: 300px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  display: block;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-light);
}

/* Screen reader only - visually hidden but accessible to screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Hidden - completely hidden from view */
.hidden {
  display: none;
}

/* Toggle Switch */
.toggle-switch {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

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

.toggle-slider {
  position: relative;
  width: 50px;
  height: 26px;
  background-color: #ccc;
  border-radius: 26px;
  transition: 0.3s;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50%;
  transition: 0.3s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
  background: linear-gradient(135deg, #0084ff 0%, #00c6ff 100%);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(24px);
}

.toggle-label {
  font-weight: 500;
  color: var(--text-light);
  min-width: 30px;
}

.toggle-switch input:checked ~ .toggle-label {
  color: #0084ff;
}

/* Messenger Status Messages */
.messenger-status-success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.messenger-status-error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.messenger-status-info {
  background: #cce5ff;
  color: #004085;
  border: 1px solid #b8daff;
}