body { 
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; 
    background-color: #f4f7f9; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased;
}
.dark body { background-color: #0b1120; }
.font-mono { font-family: 'JetBrains Mono', Consolas, monospace; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
.dark ::-webkit-scrollbar-thumb { background: #334155; }
.custom-scrollbar::-webkit-scrollbar { width: 4px; }

.row-expanded { background-color: #f1f5f9 !important; border-left: 4px solid #4f46e5 !important; box-shadow: inset 0 4px 6px -1px rgba(0,0,0,0.05); }
.dark .row-expanded { background-color: #0d1324 !important; border-left-color: #6366f1 !important; }
.row-idle { border-left: 4px solid transparent; }

/* Transitions */
.fade-enter-active, .fade-leave-active { transition: opacity 0.2s ease, transform 0.2s ease; }
.fade-enter-from, .fade-leave-to { opacity: 0; transform: translateY(-4px); }

.modal-fade-enter-active, .modal-fade-leave-active { transition: opacity 0.3s ease, transform 0.3s ease; }
.modal-fade-enter-from, .modal-fade-leave-to { opacity: 0; transform: scale(0.96); }

.accordion-enter-active, .accordion-leave-active { transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1); overflow: hidden; }
.accordion-enter-from, .accordion-leave-to { max-height: 0; }
.accordion-enter-to, .accordion-leave-from { max-height: 350px; }

/* Toast Notification Transitions */
.toast-enter-active, .toast-leave-active { transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.toast-enter-from { opacity: 0; transform: translateX(50px) scale(0.9); }
.toast-leave-to { opacity: 0; transform: translateY(-30px); }
.toast-move { transition: transform 0.4s ease; }

.premium-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.premium-table th { position: sticky; top: 0; z-index: 10; padding: 14px 16px; white-space: nowrap; user-select: none; border-bottom: 2px solid #e2e8f0; background-color: #f8fafc; }
.dark .premium-table th { border-bottom: 2px solid #1e293b; background-color: #0f172a; }
.premium-table td { padding: 10px 16px; white-space: nowrap; vertical-align: middle; border-bottom: 1px solid #f1f5f9; }
.dark .premium-table td { border-bottom: 1px solid #1e293b; }

.dash-row { display: flex; justify-content: space-between; align-items: center; padding-bottom: 8px; margin-bottom: 8px; border-bottom: 1px dashed #e2e8f0; }
.dark .dash-row { border-bottom-color: #334155; }
.dash-row:last-child { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }

.form-input, .form-select {
    width: 100%; padding: 8px 12px; font-size: 13px; border-radius: 8px;
    background-color: #f8fafc; border: 1px solid #e2e8f0; color: #1e293b; outline: none; transition: all 0.2s; font-weight: 600;
}
.form-input:focus, .form-select:focus { background-color: #ffffff; border-color: #6366f1; box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.1); }
.dark .form-input, .dark .form-select { background-color: #0f172a; border-color: #334155; color: #f1f5f9; }
.dark .form-input:focus, .dark .form-select:focus { background-color: #1e293b; border-color: #818cf8; }

.tab-btn { padding: 12px 24px; font-size: 14px; font-weight: 800; border-bottom: 3px solid transparent; color: #64748b; cursor: pointer; transition: all 0.2s; }
.tab-btn.active { color: #4f46e5; border-bottom-color: #4f46e5; }
.dark .tab-btn { color: #94a3b8; }
.dark .tab-btn.active { color: #818cf8; border-bottom-color: #818cf8; }

.compact-drop-zone { border: 1px dashed #cbd5e1; border-radius: 0.5rem; background-color: #f8fafc; transition: all 0.2s; cursor: pointer; display: flex; align-items: center; justify-content: center; padding: 12px; gap: 8px; }
.compact-drop-zone:hover { border-color: #6366f1; background-color: #e0e7ff; color: #4f46e5; }
.dark .compact-drop-zone { border-color: #475569; background-color: #0f172a; }
.dark .compact-drop-zone:hover { border-color: #818cf8; background-color: #1e293b; color: #818cf8; }