:root {
 --primary-color: #dc3545;
 --sidebar-width: 250px;
}

body.shell-layout {
 margin: 0;
 min-height: 100vh;
 background-color: #ffffff;
 color: #1f2937;
 font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

.sidebar {
 background-color: #f8f9fa;
 height: 100vh;
 position: fixed;
 top: 0;
 left: 0;
 width: var(--sidebar-width);
 padding: 20px;
 border-right: 1px solid #dee2e6;
 overflow-y: auto;
}

.logo {
 color: #ffffff;
 background-color: var(--primary-color);
 font-weight: 700;
 font-size: 1.5rem;
 margin: -20px -20px 30px -20px;
 padding: 16px 20px;
}

.sidebar nav {
 display: flex;
 flex-direction: column;
 gap: 4px;
}

.sidebar .nav-link,
.sidebar a {
 color: #333333;
 padding: 10px;
 border-radius: 4px;
 margin-bottom: 5px;
 text-decoration: none;
}

.sidebar .nav-link:hover,
.sidebar a:hover {
 background-color: #e9ecef;
 color: var(--primary-color);
}

.sidebar .nav-link.active,
.sidebar a.active {
 background-color: var(--primary-color);
 color: #ffffff;
}

.main-content {
 margin-left: var(--sidebar-width);
 padding: 20px;
 min-height: 100vh;
 background-color: #ffffff;
}

.content-section {
 display: none;
}

.content-section.active {
 display: block;
}

.content-section h3 {
 background-color: var(--primary-color);
 color: #ffffff;
 padding: 12px 20px;
 border-radius: 6px;
 margin-bottom: 16px;
}

.shell-toolbar {
 background-color: var(--primary-color);
 color: #ffffff;
 padding: 16px 24px;
 margin: -20px -20px 20px -20px;
}

.shell-toolbar h2 {
 margin: 0;
 color: #ffffff;
}

.shell-toolbar .btn-outline-light:hover {
 color: var(--primary-color);
}

.shell-page {
 max-width: 1100px;
 margin: 0 auto;
 padding: 32px 16px 48px;
}

.shell-page-header {
 background: linear-gradient(135deg, #dc3545 0%, #f87171 100%);
 color: #ffffff;
 border-radius: 20px;
 padding: 28px;
 box-shadow: 0 16px 40px rgba(220, 53, 69, 0.18);
}

.shell-page-card {
 background: #ffffff;
 border: 1px solid #e9ecef;
 border-radius: 18px;
 padding: 24px;
 box-shadow: 0 12px 32px rgba(15, 23, 42, 0.06);
}

.shell-page-card h2,
.shell-page-card h3 {
 color: #111827;
}

.shell-page-muted {
 color: #6c757d;
}

.shell-meta-panel,
.coins,
.admin-sidebar-meta {
 margin-top: auto;
 padding: 15px;
 background-color: #e9ecef;
 border-radius: 4px;
}

#job-create-form {
 display: grid;
 gap: 10px;
 max-width: 560px;
}

#job-create-form button {
 width: 140px;
 padding: 10px 12px;
 border: none;
 border-radius: 6px;
 background: var(--primary-color);
 color: #fff;
 cursor: pointer;
}

#job-status {
 margin-top: 16px;
 font-weight: 600;
}

#job-result {
 margin-top: 12px;
 padding: 12px;
 background: #f3f4f6;
 border-radius: 8px;
 overflow: auto;
 max-height: 320px;
}

@media (max-width: 991.98px) {
 .sidebar {
  position: static;
  width: 100%;
  height: auto;
  border-right: none;
  border-bottom: 1px solid #dee2e6;
 }

 .logo {
  margin-bottom: 20px;
 }

 .main-content {
  margin-left: 0;
 }

 .shell-page {
  padding: 20px 12px 32px;
 }
}