/* 
 * POS AI Assistant Premium Design System
 * Brand Primary: #006E3B (Museeb Mart Deep Green)
 * Brand Accent: #008744 (Museeb Mart Medium Green)
 */

:root {
  --bg-primary: #F4F6F8;
  --bg-secondary: #FFFFFF;
  --bg-sidebar: #FFFFFF;
  --color-primary: #006E3B;
  --color-accent: #008744;
  --color-accent-hover: #005A2B;
  --color-accent-glow: rgba(0, 135, 68, 0.15);
  --color-accent-light: rgba(0, 135, 68, 0.06);
  --border-color: #E5E7EB;
  --border-color-glow: rgba(0, 135, 68, 0.25);
  --text-main: #2D3748;
  --text-muted: #718096;
  --text-bright: #1A202C;
  --glass-bg: #FFFFFF;
  --glass-blur: none;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.02);
  --shadow-glow: 0 0 15px rgba(0, 135, 68, 0.08);
  --font-eng: 'Outfit', sans-serif;
  --font-ara: 'Cairo', sans-serif;
}

/* Reset & Scrollbar Styling */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-eng);
}

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  display: flex;
  flex-direction: column;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* Top White-Label Banner */
.white-label-banner {
  height: 38px;
  background: var(--color-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.5px;
  position: relative;
  z-index: 10;
}

.white-label-banner strong {
  color: #FFFFFF;
}

.banner-badge {
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
}

.banner-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.status-pulse {
  width: 8px;
  height: 8px;
  background-color: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10B981;
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; box-shadow: 0 0 12px #10B981; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Main Dashboard Workspace */
.dashboard-container {
  flex: 1;
  display: flex;
  height: calc(100% - 38px);
  width: 100%;
  position: relative;
  overflow: hidden;
}

/* Sidebar Design (Dark Glass Column) */
.sidebar {
  width: 300px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  border-left: none;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
  order: 1; /* Position main sidebar on the left */
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 30px;
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--color-accent-light);
  border: 1px stroke var(--border-color-glow);
  box-shadow: 0 0 10px rgba(79, 70, 229, 0.1);
}

.brand-info h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-bright);
}

.brand-info p {
  font-size: 12px;
  color: var(--text-muted);
}

/* Navigation Mocks for Realistic Layout */
.pos-mock-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 30px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  cursor: not-allowed;
  transition: all 0.2s ease;
}

.nav-item.active {
  color: var(--text-bright);
  background: var(--color-accent-light);
  border: 1px solid var(--border-color-glow);
  box-shadow: 0 0 10px rgba(79, 70, 229, 0.05);
  cursor: default;
}

.nav-item svg {
  opacity: 0.7;
}

.nav-item.active svg {
  color: var(--color-accent-hover);
  opacity: 1;
}

/* Stats Dashboard Panel */
.stats-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.stats-panel h3 {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  margin-bottom: 4px;
}

.metric-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  padding: 14px 16px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-color-glow);
  box-shadow: var(--shadow-glow);
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-details {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-bright);
  margin: 2px 0;
}

.card-trend {
  font-size: 10px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.card-trend.positive { color: var(--color-accent); }
.card-trend.warning { color: #F59E0B; }

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
  gap: 8px;
}

.card-report-link {
  font-size: 10px;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.card-report-link:hover {
  opacity: 0.8;
}

/* Sidebar Footer */
.sidebar-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  font-size: 10px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
  opacity: 0.75;
}

/* Chat Workspace */
.chat-workspace {
  flex: 1;
  background-color: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  min-height: 0; /* Prevents overflow from stretching flex height */
  order: 2; /* Position chat workspace in the center */
}

/* Background ambient glow effect */
.chat-workspace::before {
  content: "";
  position: absolute;
  top: -15%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent-light) 0%, rgba(0,0,0,0) 70%);
  pointer-events: none;
  z-index: 0;
}

.chat-header {
  height: 70px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: var(--glass-blur);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
  z-index: 5;
  flex-shrink: 0; /* Prevents header from shrinking or getting pushed out */
}

.assistant-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

.assistant-avatar {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent-light);
  border: 1px solid var(--border-color-glow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.online-indicator {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  background-color: #10B981;
  border-radius: 50%;
  border: 2px solid var(--bg-secondary);
}

.assistant-details h1 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-bright);
}

.assistant-details p {
  font-size: 11px;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  gap: 10px;
}

#btn-toggle-sidebar, #btn-clear-chat {
  background: #F3F4F6;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

#btn-toggle-sidebar {
  border-color: var(--border-color);
  color: var(--text-main);
}

#btn-toggle-sidebar:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-glow);
  color: var(--color-accent);
  transform: translateY(-1px);
}

#btn-toggle-sidebar:active {
  transform: translateY(0);
}

#btn-clear-chat {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-light);
}

#btn-clear-chat:hover {
  background: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

#btn-clear-chat:active {
  transform: translateY(0);
}

/* Chat Messages Container */
.chat-messages-container {
  flex: 1;
  min-height: 0; /* Prevents overflow from stretching flex height */
  overflow-y: auto;
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  z-index: 1;
}

.message {
  display: flex;
  flex-direction: column;
  max-width: 75%;
  animation: message-slide-up 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.message.user {
  align-self: flex-end;
  max-width: 65%;
}

.message.assistant {
  align-self: flex-start;
}

.message-content {
  padding: 16px 20px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.6;
  box-shadow: var(--shadow-sm);
}

.message.user .message-content {
  background: var(--color-accent);
  color: #FFFFFF;
  border-radius: 18px 18px 4px 18px;
  font-weight: 400;
}

.message.assistant .message-content {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 18px 18px 18px 4px;
}

.message-timestamp {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 5px;
  padding: 0 6px;
}

.message.user .message-timestamp {
  align-self: flex-end;
}

.message.assistant .message-timestamp {
  align-self: flex-start;
}

@keyframes message-slide-up {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fade-in 0.4s ease;
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Suggested Chips Row */
.chips-container-wrapper {
  padding: 12px 30px;
  border-top: 1px solid var(--border-color);
  background: #FAFBFB;
  z-index: 2;
  flex-shrink: 0; /* Prevents chips bar from shifting layout context */
}

.chips-title {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1px;
  display: block;
  margin-bottom: 8px;
}

.chips-container {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.chips-container::-webkit-scrollbar {
  height: 4px;
}

.chip {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  gap: 6px;
}

.chip:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-hover);
  color: var(--color-accent-hover);
  transform: scale(1.02);
}

.chip.ar {
  font-family: var(--font-ara);
  font-size: 12px;
}

/* Chat Input Console Area */
.chat-input-console {
  padding: 16px 30px 24px 30px;
  border-top: 1px solid var(--border-color);
  background: #FFFFFF;
  backdrop-filter: var(--glass-blur);
  z-index: 5;
  flex-shrink: 0; /* Prevents bottom console from shifting layout context */
}

.chat-input-form {
  display: flex;
  gap: 12px;
  position: relative;
}

#chat-input {
  flex: 1;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 14px 20px;
  border-radius: 12px;
  font-size: 14px;
  outline: none;
  transition: all 0.25s ease;
}

#chat-input:focus {
  border-color: var(--color-accent-hover);
  box-shadow: 0 0 0 2px var(--color-accent-glow);
}

.btn-send {
  background-color: var(--color-accent);
  color: var(--text-bright);
  border: none;
  padding: 0 24px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s ease;
}

.btn-send:hover {
  background-color: var(--color-accent-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-send:active {
  transform: translateY(0);
}

.input-disclaimer {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 8px;
  text-align: center;
  opacity: 0.6;
}

/* AI Markdown Layout Overrides (For response tables and lists) */
.message-content h3 {
  font-size: 15px;
  margin: 12px 0 6px 0;
  color: var(--text-bright);
  font-weight: 600;
}

.message-content p {
  margin-bottom: 10px;
}

.message-content p:last-child {
  margin-bottom: 0;
}

.message-content ul, .message-content ol {
  margin: 8px 0 12px 20px;
}

.message-content li {
  margin-bottom: 6px;
}

.message-divider {
  border: 0;
  height: 1px;
  background: var(--border-color);
  margin: 14px 0;
}

/* Custom Table Styles inside AI Output */
.message-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 12px;
  background: rgba(0, 0, 0, 0.02);
  border-radius: 8px;
  overflow: hidden;
}

.message-content th, .message-content td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.message-content th {
  background-color: rgba(0, 135, 68, 0.08);
  color: var(--text-bright);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
}

.message-content tr:hover {
  background-color: rgba(0, 0, 0, 0.02);
}

.message.assistant .message-content strong {
  color: var(--text-bright);
}

.message.user .message-content strong {
  color: #FFFFFF;
}

.message-content code {
  background-color: rgba(0, 0, 0, 0.05);
  padding: 2px 4px;
  border-radius: 4px;
  font-family: monospace;
}

/* Arabic and RTL Engine Supports */
.message.rtl {
  direction: rtl;
  font-family: var(--font-ara);
}

.message.rtl .message-content {
  text-align: right;
}

.message.rtl .message-content th, .message.rtl .message-content td {
  text-align: right;
}

/* Streaming active cursor pulse */
.streaming-indicator::after {
  content: "▋";
  color: var(--color-accent-hover);
  animation: blink 0.8s steps(2, start) infinite;
  margin-left: 2px;
}

@keyframes blink {
  to { visibility: hidden; }
}

/* Right Chat History Sidebar */
.chat-history-sidebar {
  width: 280px;
  background-color: var(--bg-sidebar);
  border-left: 1px solid var(--border-color);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex-shrink: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  order: 3; /* Position chat history sidebar on the right */
  overflow-y: auto;
}

.chat-history-sidebar.collapsed {
  width: 0 !important;
  padding: 0 !important;
  opacity: 0 !important;
  border-left: none !important;
  pointer-events: none;
  overflow: hidden !important;
}

.chat-history-sidebar h3 {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.btn-new-chat {
  background: transparent;
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
}

.btn-new-chat:hover {
  background: var(--color-accent-light);
  color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: scale(1.02);
}

.btn-new-chat:active {
  transform: scale(0.98);
}

.history-sessions-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 220px;
  overflow-y: auto;
  padding-right: 4px;
}

/* Custom Scrollbar for Session List */
.history-sessions-list::-webkit-scrollbar {
  width: 4px;
}

.history-sessions-list::-webkit-scrollbar-track {
  background: transparent;
}

.history-sessions-list::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.08);
  border-radius: 2px;
}

.history-sessions-list::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

.history-sessions-empty {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  padding: 16px 0;
  opacity: 0.7;
  font-style: italic;
}

.history-session-item {
  background: #FAFBFB;
  border: 1px solid var(--border-color);
  padding: 10px 12px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  gap: 8px;
}

.history-session-item:hover {
  background: #F3F4F6;
  border-color: #D1D5DB;
}

.history-session-item.active {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
}

.session-details {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.session-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-bright);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: left;
}

.history-session-item.active .session-title {
  color: var(--color-accent-hover);
  font-weight: 600;
}

.session-time {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
  text-align: left;
}

.btn-delete-session {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 4px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  opacity: 0; /* Hidden by default, revealed on hover */
  flex-shrink: 0;
}

.history-session-item:hover .btn-delete-session {
  opacity: 0.6;
}

.btn-delete-session:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #EF4444 !important;
  opacity: 1 !important;
}