@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #10b981;          /* Emerald 500 */
  --primary-dark: #064e3b;     /* Emerald 900 */
  --primary-glow: rgba(16, 185, 129, 0.2);
  --accent: #f59e0b;           /* Amber 500 */
  --accent-glow: rgba(245, 158, 11, 0.2);
  --bg-body: #090d16;          /* Deep cosmic black */
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-glass: rgba(15, 23, 42, 0.5);
  --border-glass: rgba(255, 255, 255, 0.07);
  --text-main: #f8fafc;        /* Slate 50 */
  --text-muted: #94a3b8;       /* Slate 400 */
  --font-main: 'Outfit', 'Inter', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-width: 280px;
}

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

body {
  background-color: var(--bg-body);
  color: var(--text-main);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(6, 78, 59, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(245, 158, 11, 0.08) 0%, transparent 45%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* Glassmorphism utility */
.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.5);
}
::-webkit-scrollbar-thumb {
  background: rgba(16, 185, 129, 0.3);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* ---------------- LAYOUT & NAVIGATION ---------------- */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Navigation cho Khách & Sales */
.navbar {
  height: 80px;
  padding: 0 4%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 13, 22, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text-main);
}

.logo span {
  color: var(--primary);
}

.logo i {
  color: var(--accent);
  filter: drop-shadow(0 0 8px var(--accent-glow));
}

.nav-links {
  display: flex;
  gap: 25px;
  list-style: none;
  align-items: center;
}

.nav-item {
  position: relative;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
}

.nav-item:hover, .nav-item.active {
  color: var(--primary);
  background: rgba(16, 185, 129, 0.08);
}

.btn-admin {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #047857 100%);
  border: 1px solid var(--primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-admin:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

/* Sidebar Admin */
.admin-sidebar {
  width: var(--sidebar-width);
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 90;
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-glass);
  background: rgba(11, 17, 30, 0.85);
  backdrop-filter: blur(20px);
}

.admin-sidebar .sidebar-menu {
  list-style: none;
  margin-top: 50px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.admin-sidebar .menu-link {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 14px 20px;
  border-radius: 12px;
  color: var(--text-muted);
  font-weight: 500;
  transition: var(--transition);
}

.admin-sidebar .menu-link:hover, .admin-sidebar .menu-link.active {
  color: #fff;
  background: rgba(16, 185, 129, 0.15);
  border-left: 4px solid var(--primary);
  padding-left: 24px;
}

.admin-sidebar .menu-link i {
  font-size: 1.2rem;
  width: 24px;
}

.admin-sidebar .sidebar-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-glass);
  padding-top: 20px;
}

.admin-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 40px;
  min-height: 100vh;
}

/* ---------------- CLIENT CUSTOMER PORTAL (home.ejs) ---------------- */
.hero-chat-section {
  display: flex;
  max-width: 1300px;
  margin: 40px auto;
  padding: 0 20px;
  gap: 40px;
  min-height: calc(100vh - 200px);
}

.hero-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 6px 16px;
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 40%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 30px;
}

.hero-features {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-bottom: 30px;
}

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

.feature-item i {
  color: var(--primary);
  font-size: 1.2rem;
  background: rgba(16, 185, 129, 0.1);
  padding: 10px;
  border-radius: 50%;
}

/* CHATBOX CONTAINER */
.chatbox-wrapper {
  flex: 1.2;
  display: flex;
  flex-direction: column;
  height: 650px;
}

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

.chat-bot-identity {
  display: flex;
  align-items: center;
  gap: 15px;
}

.bot-avatar {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 0 10px var(--primary-glow);
}

.bot-avatar::after {
  content: '';
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 10px;
  height: 10px;
  background: #10b981;
  border-radius: 50%;
  border: 2px solid var(--bg-body);
}

.bot-name {
  font-weight: 600;
  font-size: 1.1rem;
}

.bot-status {
  font-size: 0.8rem;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 5px;
}

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

.message {
  max-width: 80%;
  padding: 14px 18px;
  border-radius: 16px;
  font-size: 0.95rem;
  animation: fadeIn 0.3s ease;
  word-wrap: break-word;
}

.message p {
  margin-bottom: 8px;
}

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

.message.bot {
  align-self: flex-start;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border-glass);
  border-top-left-radius: 4px;
}

.message.user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--primary) 0%, #059669 100%);
  color: #fff;
  border-top-right-radius: 4px;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.message table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
  font-size: 0.85rem;
}

.message th, .message td {
  border: 1px solid var(--border-glass);
  padding: 8px 12px;
  text-align: left;
}

.message th {
  background: rgba(16, 185, 129, 0.15);
}

/* Chat Input Bar */
.chat-input-area {
  padding: 15px 20px;
  border-top: 1px solid var(--border-glass);
  display: flex;
  gap: 12px;
}

.chat-input {
  flex: 1;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-glass);
  padding: 14px 20px;
  border-radius: 12px;
  color: #fff;
  outline: none;
  transition: var(--transition);
}

.chat-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
}

.btn-send {
  background: var(--primary);
  color: #fff;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-send:hover {
  background: #059669;
  transform: scale(1.05);
}

/* Typings animation */
.typing-indicator {
  display: flex;
  gap: 5px;
  padding: 10px 15px;
  background: rgba(30, 41, 59, 0.5);
  border-radius: 12px;
  align-self: flex-start;
  border: 1px solid var(--border-glass);
}

.typing-dot {
  width: 8px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: bounce 1.3s infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.15s; }
.typing-dot:nth-child(3) { animation-delay: 0.3s; }

/* ---------------- EMPLOYEE PROPERTIES PAGE (properties.ejs) ---------------- */
.properties-container {
  max-width: 1300px;
  margin: 40px auto;
  padding: 0 20px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.page-title {
  font-size: 2.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 15px;
}

.page-title i {
  color: var(--primary);
}

.properties-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 30px;
}

.property-card {
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.property-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.15);
}

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

.badge-status {
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-status.active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-status.sold {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-source {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  margin-top: 5px;
  display: inline-block;
}

.card-body {
  padding: 20px;
  flex: 1;
}

.prop-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: #fff;
  line-height: 1.4;
}

.prop-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-bottom: 20px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.meta-item i {
  color: var(--primary);
  font-size: 1rem;
}

.meta-item .val {
  color: #fff;
  font-weight: 600;
}

.prop-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  padding: 20px;
  border-top: 1px solid var(--border-glass);
  background: rgba(255, 255, 255, 0.01);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.agent-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.agent-avatar {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 0.85rem;
}

.agent-name {
  font-weight: 600;
  font-size: 0.85rem;
}

.agent-phone {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-contact {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
}

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

/* ---------------- ADMIN INTERFACES (dashboard.ejs, kb.ejs, reports.ejs) ---------------- */
.stat-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 25px;
  margin-bottom: 40px;
}

.stat-card {
  padding: 25px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-info .num {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 5px;
}

.stat-info .lbl {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.stat-icon {
  width: 55px;
  height: 55px;
  border-radius: 12px;
  background: rgba(16, 185, 129, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
}

.stat-card:nth-child(2) .stat-icon {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent);
}

.admin-grid-two-columns {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 35px;
}

/* Tables Styling */
.table-wrapper {
  overflow-x: auto;
  margin-top: 15px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.admin-table th, .admin-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-glass);
}

.admin-table th {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.admin-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.01);
}

.btn-icon-delete {
  background: transparent;
  border: none;
  color: #ef4444;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  transition: var(--transition);
}

.btn-icon-delete:hover {
  background: rgba(239, 68, 68, 0.15);
}

/* Forms styling */
.form-card {
  padding: 30px;
  margin-bottom: 30px;
}

.form-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 10px;
}

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

.form-group.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.form-control {
  width: 100%;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-glass);
  padding: 12px 16px;
  border-radius: 8px;
  color: #fff;
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 8px var(--primary-glow);
}

.btn-submit {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
  text-align: center;
}

.btn-submit:hover {
  background: #059669;
}

.toast {
  padding: 15px 25px;
  border-radius: 8px;
  margin-bottom: 30px;
  font-weight: 500;
}

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

.toast.error {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ---------------- ADMIN REPORT CHAT (reports.ejs) ---------------- */
.reports-layout {
  display: grid;
  grid-template-columns: 1fr;
  height: calc(100vh - 150px);
}

/* ---------------- LOGIN PAGE (login.ejs) ---------------- */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 450px;
  padding: 40px;
}

.login-header {
  text-align: center;
  margin-bottom: 30px;
}

.login-header .logo {
  justify-content: center;
  margin-bottom: 15px;
}

/* ---------------- ANIMATIONS ---------------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Responsive design */
@media (max-width: 1024px) {
  .hero-chat-section {
    flex-direction: column;
    min-height: auto;
  }
  
  .admin-sidebar {
    width: 80px;
    padding: 20px 10px;
  }
  
  .admin-sidebar .logo span, 
  .admin-sidebar .menu-link span,
  .admin-sidebar .sidebar-footer span {
    display: none;
  }
  
  .admin-content {
    margin-left: 80px;
    padding: 20px;
  }
  
  .admin-grid-two-columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0 20px;
  }
  
  .nav-links {
    display: none; /* Trình diễn MVP đơn giản, ẩn bớt nav di động */
  }
  
  .properties-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
}