:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: rgba(30, 41, 59, 0.7);
  --border-color: rgba(255, 255, 255, 0.08);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-green: #10b981;
  --accent-green-bg: rgba(16, 185, 129, 0.15);
  --accent-amber: #f59e0b;
  --accent-amber-bg: rgba(245, 158, 11, 0.15);
  --accent-red: #ef4444;
  --accent-red-bg: rgba(239, 68, 68, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
}

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

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  flex-shrink: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 20px;
}

.brand-text h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.3px;
}

.brand-text span {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.nav-item a:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.nav-item.active a {
  background-color: var(--accent-blue);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.btn-logout {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s ease;
}

.btn-logout:hover {
  background-color: var(--accent-red-bg);
  color: var(--accent-red);
  border-color: var(--accent-red);
}

/* Main Content Area */
.main-wrapper {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  max-height: 100vh;
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 32px;
  background-color: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
}

.page-title h1 {
  font-size: 22px;
  font-weight: 700;
}

.status-badge-container {
  display: flex;
  align-items: center;
  gap: 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-idle {
  background-color: rgba(148, 163, 184, 0.15);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.badge-running {
  background-color: var(--accent-green-bg);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
  animation: pulse 2s infinite;
}

.badge-paused {
  background-color: var(--accent-amber-bg);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.content-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Notification Banner */
.notification-banner {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.notification-banner.danger {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
}

.notif-text h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-amber);
  margin-bottom: 2px;
}

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

.btn-dismiss {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
}

/* Cards & Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.stat-card {
  background-color: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
}

.stat-value.green {
  color: var(--accent-green);
}

.stat-value.amber {
  color: var(--accent-amber);
}

.stat-value.blue {
  color: var(--accent-blue);
}

/* Buttons */
.btn-group {
  display: flex;
  gap: 12px;
  align-items: center;
}

.btn {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background-color: var(--accent-blue);
  color: #fff;
}

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

.btn-warning {
  background-color: var(--accent-amber);
  color: #000;
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.btn:disabled,
button:disabled {
  opacity: 0.45 !important;
  cursor: not-allowed !important;
  pointer-events: none !important;
  box-shadow: none !important;
  filter: grayscale(0.6);
}

/* Card Sections */
.panel-card {
  background-color: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-md);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

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

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

table.data-table th {
  padding: 12px 16px;
  background-color: rgba(15, 23, 42, 0.6);
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
}

table.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

table.data-table tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.badge-status {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.status-approved {
  background-color: var(--accent-green-bg);
  color: var(--accent-green);
}

.status-skipped {
  background-color: var(--accent-amber-bg);
  color: var(--accent-amber);
}

.status-error {
  background-color: var(--accent-red-bg);
  color: var(--accent-red);
}

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

.form-control {
  background-color: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-control:focus {
  border-color: var(--accent-blue);
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-body {
  padding: 16px;
  overflow: auto;
  text-align: center;
}

.modal-body img {
  max-width: 100%;
  max-height: 75vh;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.btn-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
}

/* Keyframes */
@keyframes pulse {
  0% { opacity: 0.8; transform: scale(0.98); }
  50% { opacity: 1; transform: scale(1); }
  100% { opacity: 0.8; transform: scale(0.98); }
}

/* User Manual & FAQ Components */
.manual-card {
  margin-top: 10px;
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-md);
}

.manual-header-tabs {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.manual-nav-pills {
  display: flex;
  gap: 8px;
  background: rgba(15, 23, 42, 0.6);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.manual-pill-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.manual-pill-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.manual-pill-btn.active {
  background: var(--accent-blue);
  color: #fff;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

.manual-tab-pane {
  display: none;
  animation: fadeIn 0.3s ease;
}

.manual-tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Rules Grid */
.rules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px;
}

.rule-box {
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.rule-box:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.3);
}

.rule-box.highlight {
  border-left: 4px solid var(--accent-green);
}

.rule-box.warning-highlight {
  border-left: 4px solid var(--accent-amber);
}

.rule-box.security-highlight {
  border-left: 4px solid var(--accent-blue);
}

.rule-box.danger-highlight {
  border-left: 4px solid var(--accent-red);
}

.rule-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.rule-box-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.rule-box p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
}

.rule-box code {
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
  color: #38bdf8;
  font-size: 12px;
}

/* Flow steps in Usage tab */
.usage-flow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.usage-step {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.usage-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 4px;
}

.usage-step h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}

.usage-step p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item[open] {
  border-color: rgba(59, 130, 246, 0.4);
  background: rgba(15, 23, 42, 0.75);
}

.faq-question {
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  user-select: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-icon {
  color: var(--accent-blue);
  font-size: 14px;
}

.faq-arrow {
  color: var(--text-muted);
  font-size: 12px;
  transition: transform 0.25s ease;
}

.faq-item[open] .faq-arrow {
  transform: rotate(180deg);
  color: var(--accent-blue);
}

.faq-answer {
  padding: 0 20px 18px 44px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 14px;
}

.faq-answer strong {
  color: var(--text-main);
}

/* Pagination Component */
.pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 16px;
  background: rgba(15, 23, 42, 0.4);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.pagination-info {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pagination-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pagination-btn:hover:not(:disabled) {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}

.pagination-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.pagination-current {
  font-size: 13px;
  color: var(--text-muted);
  padding: 0 10px;
}

.pagination-current strong {
  color: var(--text-main);
}

.page-size-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.page-size-select {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  outline: none;
  cursor: pointer;
}

/* Interruption Confirmation Modal */
.modal-confirm-content {
  max-width: 580px;
  width: 95%;
  background: var(--bg-card);
  border: 1px solid rgba(245, 158, 11, 0.35);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
}

.modal-confirm-body {
  padding: 20px 24px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.impact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.impact-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  line-height: 1.5;
}

.impact-item.danger {
  background: rgba(239, 68, 68, 0.1);
  border-left: 3px solid var(--accent-red);
}

.impact-item.warning {
  background: rgba(245, 158, 11, 0.1);
  border-left: 3px solid var(--accent-amber);
}

.impact-item.info {
  background: rgba(59, 130, 246, 0.1);
  border-left: 3px solid var(--accent-blue);
}

.impact-item.success {
  background: rgba(16, 185, 129, 0.1);
  border-left: 3px solid var(--accent-green);
}

.impact-item i {
  font-size: 16px;
  margin-top: 2px;
  flex-shrink: 0;
}

.modal-confirm-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 24px;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--border-color);
}

.status-interrupted {
  background-color: rgba(245, 158, 11, 0.18);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.4);
}