:root{--brand-blue: #007A9E;--brand-green: #00BFA5;--brand-background: #F0F7FA;--brand-card: #FFFFFF;--brand-text-primary: #102A43;--brand-text-secondary: #486581;--error: #E53E3E;--warning: #DD6B20;--success: #38A169;--glass: rgba(255, 255, 255, .7)}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}button,a,[role=button],input,select,textarea,label,summary{touch-action:manipulation}body{overflow-x:clip}.safe-bottom{padding-bottom:env(safe-area-inset-bottom,0px)}.safe-top{padding-top:env(safe-area-inset-top,0px)}.safe-x{padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}body{font-feature-settings:"cv02","cv03","cv04","cv11";text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--brand-text-primary);line-height:1.6}h1,h2,h3,h4{letter-spacing:-.02em;line-height:1.15}::selection{background:#007a9e2e;color:var(--brand-text-primary)}:focus-visible{outline:none;box-shadow:0 0 0 3px #007a9e59;border-radius:.375rem}*{scrollbar-width:thin;scrollbar-color:#CBD5E0 transparent}*::-webkit-scrollbar{width:8px;height:8px}*::-webkit-scrollbar-track{background:transparent}*::-webkit-scrollbar-thumb{background:#cbd5e0;border-radius:999px;border:2px solid transparent;background-clip:content-box}*::-webkit-scrollbar-thumb:hover{background:#94a3b8;background-clip:content-box}.glass-panel{background:#ffffffb8;backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);border:1px solid rgba(255,255,255,.45)}.card-surface{background:var(--brand-card);border:1px solid #E2EAF0;border-radius:1rem;box-shadow:0 1px 2px #102a430a,0 4px 16px -4px 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rgba(0,0,0,.2)}.sub-stat-list{display:flex;flex-direction:column;gap:1rem}.sub-stat{display:flex;justify-content:space-between;align-items:center;padding:.75rem;background:#f8fafc;border-radius:.5rem}.sub-stat .label{font-size:.875rem;color:var(--brand-text-secondary)}.sub-stat .value{font-weight:700;color:var(--brand-text-primary)}.tutor-alert{margin-top:1.5rem;padding:1rem;background:#fff5f5;border-left:4px solid #F56565;border-radius:.25rem}.tutor-alert h3{display:flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:700;color:#c53030;margin-bottom:.25rem}.tutor-alert p{font-size:.75rem;color:#9b2c2c}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-in{animation-duration:.6s;animation-fill-mode:both}.fade-in{animation-name:fadeIn}.slide-in-from-bottom-4{animation-name:slideInBottom}.zoom-in{animation-name:zoomIn}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes 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shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.animate-shimmer{animation:shimmer 2s infinite linear}.bg-shimmer{background:linear-gradient(90deg,#fff0,#fff6,#fff0);background-size:200% 100%}.analytics-column-left{display:flex;flex-direction:column;gap:1.5rem}.user-growth .growth-chart-container{display:flex;align-items:flex-end;gap:6px;height:120px;margin-top:1rem;padding-bottom:5px;border-bottom:2px solid #F1F5F9}.growth-bar-wrapper{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%;justify-content:flex-end}.growth-bar{width:100%;background:var(--brand-blue);border-top-left-radius:4px;border-top-right-radius:4px;min-height:2px;transition:height 1s 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.625rem;border-radius:999px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.025em}.action-badge.login{background:#dcfce7;color:#166534}.action-badge.signup{background:#dbeafe;color:#1e40af}.action-badge.payment{background:#fef9c3;color:#854d0e}.action-badge.security{background:#fee2e2;color:#991b1b}.action-badge.default{background:#f1f5f9;color:#475569}.no-data{text-align:center;color:var(--brand-text-secondary);width:100%;padding:2rem;font-style:italic}