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

:root {
  /* Colors */
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --primary-light: #EFF6FF;
  --bg: #F8FAFC;
  --surface: #FFFFFF;
  --text-main: #0F172A;
  --text-muted: #64748B;
  --border: #E2E8F0;
  
  --success: #10B981;
  --success-light: #D1FAE5;
  --warning: #F59E0B;
  --warning-light: #FEF3C7;
  --danger: #EF4444;
  --danger-light: #FEE2E2;
  --info: #3B82F6;
  --info-light: #DBEAFE;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px 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, 0.03);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.05), 0 10px 15px -5px rgba(0,0,0,0.03);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.6;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--primary-hover);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 24px; margin-bottom: 8px; }
h2 { font-size: 20px; margin-bottom: 16px; }
h3 { font-size: 16px; margin-bottom: 12px; }

p { margin-bottom: 16px; }
.text-muted { color: var(--text-muted); font-size: 13px; }

/* Layout */
.layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 10;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 12px 32px;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), #60A5FA);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2);
}
.brand-icon i {
  width: 20px;
  height: 20px;
  stroke-width: 2.5px;
}

.brand-title {
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.3px;
  text-transform: uppercase;
  line-height: 1.2;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.nav a, .nav button {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-muted);
  font-weight: 500;
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
  text-align: left;
}

.nav a i, .nav button i {
  width: 20px;
  height: 20px;
  stroke-width: 2px;
}

.nav a:hover, .nav button:hover {
  background-color: var(--bg);
  color: var(--text-main);
  transform: translateX(4px);
}

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

.nav .active i {
  color: var(--primary);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* Main Content */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.navbar {
  height: 70px;
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 5;
  box-shadow: var(--shadow-sm);
}

.navbar-search {
  display: flex;
  align-items: center;
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  width: 300px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.navbar-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.navbar-search i {
  color: var(--text-muted);
  width: 18px;
  height: 18px;
  margin-right: 8px;
}

.navbar-search input {
  border: none;
  background: transparent;
  outline: none;
  width: 100%;
  font-size: 14px;
  color: var(--text-main);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover {
  background: var(--bg);
  color: var(--text-main);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.user-profile:hover {
  background: var(--bg);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-weight: 600;
  font-size: 14px;
}

.user-role {
  font-size: 12px;
  color: var(--text-muted);
}

.main-content {
  padding: 32px;
  flex: 1;
  animation: fadeIn 0.4s ease-out;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.stat-card {
  display: flex;
  flex-direction: column;
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
}

.stat-title {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
}

.stat-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

/* Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

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

.table th {
  background: #F8FAFC;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  color: var(--text-main);
  vertical-align: middle;
}

.table tbody tr {
  transition: var(--transition);
}

.table tbody tr:nth-child(even) {
  background-color: #FAFAF9;
}

.table tbody tr:hover {
  background-color: #F1F5F9;
}

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

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
}

.badge.baru { background: var(--warning-light); color: var(--warning); }
.badge.sedang_ditangani { background: var(--info-light); color: var(--info); }
.badge.menunggu_pengguna { background: var(--success-light); color: var(--success); }
.badge.selesai { background: var(--bg); color: var(--text-muted); }
.badge.bot { background: var(--primary-light); color: var(--primary); }

/* Forms & Inputs */
.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

input[type="text"],
input[type="email"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  font-family: inherit;
  font-size: 14px;
  color: var(--text-main);
  transition: var(--transition);
  outline: none;
  height: 44px;
}

input::placeholder,
textarea::placeholder {
  color: #94A3B8;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: inherit;
  white-space: nowrap;
}

.btn i {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.15);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 6px rgba(37, 99, 235, 0.25);
}

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

.btn-secondary:hover {
  background-color: var(--bg);
  border-color: #CBD5E1;
}

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

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

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
  border-radius: var(--radius-sm);
}

/* Login Page */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 440px;
  padding: 40px;
  text-align: center;
  animation: slideUp 0.5s ease-out;
}

.login-logo {
  width: 64px;
  height: 64px;
  margin-bottom: 24px;
}

.login-card h1 {
  font-size: 28px;
  margin-bottom: 8px;
}

.login-card .text-muted {
  margin-bottom: 32px;
}

.login-card form {
  text-align: left;
}

.login-card .btn {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  margin-top: 12px;
}

/* Chat Layout */
.chat-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 24px;
  align-items: start;
}

.chat-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  height: calc(100vh - 180px);
  box-shadow: var(--shadow-sm);
}

.chat-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--bg);
}

.chat-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.chat-input-group {
  display: flex;
  gap: 12px;
}

.chat-input-group textarea {
  flex: 1;
  min-height: 48px;
  height: 48px;
  border-radius: 24px;
  padding: 12px 20px;
  resize: none;
}

.chat-input-group .btn {
  border-radius: 24px;
  width: 48px;
  height: 48px;
  padding: 0;
}

.message-bubble {
  max-width: 75%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.5;
  position: relative;
  box-shadow: var(--shadow-sm);
  animation: slideUp 0.3s ease-out;
}

.message-user {
  align-self: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.message-admin, .message-bot {
  align-self: flex-end;
  background: var(--primary);
  color: white;
  border-bottom-right-radius: 4px;
}

.message-bot {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(79, 70, 229, 0.2);
}

.message-system {
  align-self: center;
  background: var(--warning-light);
  color: #B45309;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 20px;
  border: none;
  box-shadow: none;
}

.message-meta {
  font-size: 11px;
  margin-bottom: 4px;
  opacity: 0.8;
  font-weight: 600;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

/* Responsive */
@media (max-width: 1024px) {
  .chat-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .layout {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    padding: 16px;
  }
  
  .sidebar .nav {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 8px;
  }
  
  .sidebar .nav a {
    white-space: nowrap;
  }
  
  .main-content {
    padding: 16px;
  }
  
  .navbar {
    padding: 0 16px;
  }
  
  .navbar-search {
    display: none;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* Filter Card Updates */
.filter-card {
  padding: 20px 24px;
}
.filter-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.filter-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.filter-group {
  position: relative;
  display: flex;
  align-items: center;
}
.filter-group .filter-icon {
  position: absolute;
  left: 12px;
  color: var(--text-muted);
  width: 18px;
  height: 18px;
  pointer-events: none;
}
.filter-group input,
.filter-group select {
  padding-left: 40px;
  width: 100%;
}
.filter-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 8px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}