/* iQR MasterControl - Dark Theme */
:root {
  --bg-primary: #0F0F0F;
  --bg-secondary: #171717;
  --bg-tertiary: #1E1E1E;
  --bg-hover: #2A2A2A;
  --text-primary: #FFFFFF;
  --text-secondary: #A3A3A3;
  --text-muted: #6B6B6B;
  --accent: #E87B50;
  --accent-hover: #D66A40;
  --success: #22C55E;
  --warning: #F59E0B;
  --error: #EF4444;
  --border: #2A2A2A;
  --border-light: #3A3A3A;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
}

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

.sidebar {
  width: 260px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
}

.sidebar-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.sidebar-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.nav-section {
  margin-bottom: 24px;
}

.nav-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  padding-left: 12px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 14px;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--bg-hover);
  color: var(--accent);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 8px;
  background: var(--bg-tertiary);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
}

.user-details {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

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

.logout-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.logout-btn:hover {
  background: var(--bg-hover);
  color: var(--error);
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
}

.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.page-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-change {
  font-size: 13px;
  margin-top: 8px;
}

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

.stat-change.negative {
  color: var(--error);
}

/* Charts */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.chart-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.chart-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.chart-container {
  position: relative;
  height: 280px;
}

/* Tables */
.table-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

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

.table-title {
  font-size: 16px;
  font-weight: 600;
}

.search-input {
  padding: 8px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 14px;
  width: 260px;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
}

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

th {
  text-align: left;
  padding: 14px 24px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 16px 24px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

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

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.badge.success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
}

.badge.warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

.badge.error {
  background: rgba(239, 68, 68, 0.15);
  color: var(--error);
}

.badge.info {
  background: rgba(59, 130, 246, 0.15);
  color: #3B82F6;
}

/* Buttons */
.btn {
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  border: none;
}

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

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

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

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

.btn-small {
  padding: 6px 12px;
  font-size: 13px;
}

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

.login-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px;
  width: 100%;
  max-width: 400px;
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
}

.login-logo p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 8px;
}

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

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
}

.login-btn {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.login-btn:hover {
  background: var(--accent-hover);
}

.login-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.login-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 20px;
}

/* Chat UI */
.chat-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  height: calc(100vh - 180px);
  display: flex;
  flex-direction: column;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.chat-message {
  margin-bottom: 16px;
  max-width: 80%;
}

.chat-message.user {
  margin-left: auto;
}

.chat-message.assistant {
  margin-right: auto;
}

.chat-bubble {
  padding: 14px 18px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
}

.chat-message.user .chat-bubble {
  background: var(--accent);
  color: white;
}

.chat-message.assistant .chat-bubble {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.chat-input-container {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 12px;
}

.chat-input {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
}

.chat-input:focus {
  outline: none;
  border-color: var(--accent);
}

.chat-send {
  padding: 12px 24px;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: white;
  font-weight: 500;
  cursor: pointer;
}

.chat-send:hover {
  background: var(--accent-hover);
}

.chat-send:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Loading */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  color: var(--text-secondary);
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 12px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 48px;
  color: var(--text-secondary);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

.pagination-info {
  font-size: 14px;
  color: var(--text-secondary);
}

.pagination-controls {
  display: flex;
  gap: 8px;
}

.pagination-btn {
  padding: 8px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
}

.pagination-btn:hover:not(:disabled) {
  background: var(--bg-hover);
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Modal */
.modal-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: 1000;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
}

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

.modal-title {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
}

.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}

/* Mobile Header */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
  align-items: center;
  justify-content: space-between;
  z-index: 100;
}

.mobile-header-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}

.mobile-header-subtitle {
  font-size: 11px;
  color: var(--text-secondary);
}

/* Hamburger Button */
.hamburger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.15s ease;
}

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

.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

.hamburger-line-1 { transform: translateY(-6px); }
.hamburger-line-2 { transform: translateY(0); }
.hamburger-line-3 { transform: translateY(6px); }

.hamburger-btn.is-active .hamburger-line-1 {
  transform: translateY(0) rotate(45deg);
}

.hamburger-btn.is-active .hamburger-line-2 {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger-btn.is-active .hamburger-line-3 {
  transform: translateY(0) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 9999;
  animation: fadeIn 0.2s ease-out;
}

.mobile-menu-overlay.is-closing {
  animation: fadeOut 0.2s ease-out forwards;
}

/* Mobile Menu Panel */
.mobile-menu-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 320px;
  height: 100%;
  background: var(--bg-primary);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  animation: slideInFromRight 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 10000;
}

.mobile-menu-panel.is-closing {
  animation: slideOutToRight 0.2s ease-in forwards;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.mobile-menu-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.mobile-menu-item:hover {
  background: var(--bg-hover);
}

.mobile-menu-item.active {
  background: var(--bg-hover);
  color: var(--accent);
}

.mobile-menu-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.mobile-menu-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

.mobile-menu-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.mobile-user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 8px;
  background: var(--bg-secondary);
  margin-bottom: 12px;
}

.mobile-logout-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--error);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease;
}

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

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

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes slideInFromRight {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

@keyframes slideOutToRight {
  from { transform: translateX(0); }
  to { transform: translateX(100%); }
}

/* Responsive */
@media (max-width: 1200px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    display: none;
  }

  .mobile-header {
    display: flex;
  }

  .main-content {
    padding: 16px;
    padding-top: 76px;
  }

  .page-title {
    font-size: 22px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stat-card {
    padding: 16px;
  }

  .stat-value {
    font-size: 24px;
  }

  .table-header {
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
  }

  .search-input {
    width: 100%;
  }

  th, td {
    padding: 12px 16px;
  }

  .chat-container {
    height: calc(100vh - 200px);
  }
}