/* Modern Glassmorphism Dark Mode Design System */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  --bg-dark: #090d16;
  --bg-card: rgba(18, 24, 40, 0.75);
  --bg-card-hover: rgba(28, 36, 58, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --accent-purple: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-rose: #f43f5e;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --sidebar-width: 260px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Outfit', sans-serif;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  display: flex;
  height: 100vh;
  overflow: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(139, 92, 246, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(6, 182, 212, 0.12) 0%, transparent 40%);
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: rgba(13, 17, 28, 0.8);
  backdrop-filter: blur(16px);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.brand-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(to right, #ffffff, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.25s ease;
  font-weight: 500;
}

.nav-item:hover, .nav-item.active {
  background: rgba(139, 92, 246, 0.15);
  color: #ffffff;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.nav-item .icon {
  font-size: 1.2rem;
}

/* Main Container */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  height: 70px;
  background: rgba(13, 17, 28, 0.5);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
}

.page-title {
  font-size: 1.35rem;
  font-weight: 600;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-card);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.status-dot {
  width: 10px;
  height: 10px;
  background: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-green);
}

.content-area {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
}

/* View Sections */
.tab-view {
  display: none;
  animation: fadeIn 0.3s ease;
}

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

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

/* Cards Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-3px);
  border-color: rgba(139, 92, 246, 0.4);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stat-val {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Glass Section Container */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.panel-title {
  font-size: 1.15rem;
  font-weight: 600;
}

/* Form Styles */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.form-input, .form-textarea, .form-select {
  background: rgba(15, 20, 35, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  color: #ffffff;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--accent-purple);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-purple), #6366f1);
  color: #ffffff;
  border: none;
  border-radius: 10px;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--accent-rose), #e11d48);
  color: #ffffff;
  border: none;
  border-radius: 10px;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

/* Tables & Lists */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.data-table th, .data-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.875rem;
}

.badge {
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-bot { background: rgba(16, 185, 129, 0.2); color: var(--accent-green); border: 1px solid var(--accent-green); }
.badge-human { background: rgba(244, 63, 94, 0.2); color: var(--accent-rose); border: 1px solid var(--accent-rose); }
.badge-closed { background: rgba(156, 163, 175, 0.2); color: var(--text-muted); border: 1px solid var(--text-muted); }

/* Live Chat Interface Layout */
.inbox-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 1.5rem;
  height: calc(100vh - 180px);
}

.chat-list {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow-y: auto;
  padding: 1rem;
}

.chat-item {
  padding: 0.85rem;
  border-radius: 12px;
  margin-bottom: 0.5rem;
  cursor: pointer;
  background: rgba(15, 20, 35, 0.5);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.chat-item:hover, .chat-item.active {
  background: rgba(139, 92, 246, 0.15);
  border-color: rgba(139, 92, 246, 0.4);
}

.chat-window {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-messages {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.msg-bubble {
  max-width: 65%;
  padding: 0.85rem 1.15rem;
  border-radius: 14px;
  font-size: 0.95rem;
  line-height: 1.4;
}

.msg-customer {
  align-self: flex-start;
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid var(--border-color);
}

.msg-bot {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), rgba(99, 102, 241, 0.3));
  border: 1px solid rgba(139, 92, 246, 0.4);
}

.msg-agent {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.3), rgba(16, 185, 129, 0.3));
  border: 1px solid rgba(6, 182, 212, 0.4);
}