:root{--primary: #2563eb;--primary-light: #3b82f6;--primary-dark: #1d4ed8;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--transition: all .2s ease}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;color:var(--gray-800);background-color:var(--gray-50)}.skip-link{position:absolute;top:-40px;left:0;padding:8px;background-color:var(--primary);color:#fff;z-index:100;transition:top .2s}.skip-link:focus{top:0}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.navbar{position:fixed;top:0;left:0;right:0;background:#fff;box-shadow:var(--shadow-sm);z-index:50}.nav-container{max-width:1440px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.nav-left{display:flex;align-items:center;gap:2rem}.logo{display:flex;align-items:center;gap:.5rem;font-size:1.5rem;font-weight:700;color:var(--primary);text-decoration:none;transition:var(--transition)}.logo:hover{color:var(--primary-dark)}.nav-tabs{display:flex;gap:1rem}.nav-tab{padding:.5rem 1rem;color:var(--gray-600);text-decoration:none;border-radius:var(--radius-sm);transition:var(--transition)}.nav-tab:hover{background-color:var(--gray-100)}.nav-tab.active{color:var(--primary);font-weight:500}.search-container{position:relative;width:400px}.search-container input{width:100%;padding:.75rem 1rem .75rem 2.5rem;border:1px solid var(--gray-200);border-radius:var(--radius-md);font-size:.875rem;transition:var(--transition)}.search-container input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.search-container i{position:absolute;left:.75rem;top:50%;transform:translateY(-50%);color:var(--gray-400);pointer-events:none}.nav-right{display:flex;align-items:center;gap:1.5rem}.notification-btn{position:relative;padding:.5rem;background:none;border:none;cursor:pointer;color:var(--gray-600);transition:var(--transition)}.notification-btn:hover{color:var(--gray-800)}.badge{position:absolute;top:-5px;right:-5px;background:var(--danger);color:#fff;font-size:.75rem;padding:.125rem .375rem;border-radius:9999px;font-weight:500}.user-balance{display:flex;align-items:center;gap:.5rem;font-weight:500}.balance-label{color:var(--gray-600);font-size:.875rem}.balance-amount{color:var(--gray-800)}.main-content{margin-top:4rem;padding:2rem;max-width:1440px;margin-left:auto;margin-right:auto}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-bottom:2rem}.stat-card{background:#fff;border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-md);transition:var(--transition)}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.stat-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.stat-header h2{font-size:1.125rem;color:var(--gray-700);font-weight:600}.info-btn{background:none;border:none;color:var(--gray-400);cursor:pointer;transition:var(--transition)}.info-btn:hover{color:var(--gray-600)}.stat-content{text-align:left}.stat-amount{font-size:2rem;font-weight:700;color:var(--gray-900);margin-bottom:.5rem}.trend{display:flex;align-items:center;gap:.5rem;font-size:.875rem}.trend.positive{color:var(--success)}.trend.negative{color:var(--danger)}.risk-level{font-size:1.25rem;font-weight:500;margin-bottom:1rem;text-align:center}.progress-bar{height:.5rem;background:var(--gray-200);border-radius:9999px;overflow:hidden;margin:1rem 0}.progress{height:100%;background:var(--primary);border-radius:9999px;transition:width .5s ease}.risk-score{text-align:center;color:var(--gray-600);font-size:.875rem}.notification{position:fixed;bottom:2rem;right:2rem;padding:1rem 2rem;border-radius:var(--radius-md);background:#fff;box-shadow:var(--shadow-lg);animation:slideIn .3s ease;z-index:1000}.tutorial-modal{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.tutorial-modal-content{background:#fff;border-radius:var(--radius-lg);width:90%;max-width:800px;max-height:90vh;overflow-y:auto}.tutorial-modal-header{padding:1.5rem;border-bottom:1px solid var(--gray-200);display:flex;justify-content:space-between;align-items:center}.tutorial-modal-body{padding:1.5rem}.tutorial-modal-footer{padding:1.5rem;border-top:1px solid var(--gray-200);display:flex;justify-content:space-between;align-items:center}.tooltip{position:fixed;z-index:1000;pointer-events:none;opacity:0;transform:translateY(10px);transition:all .2s ease}.tooltip--visible{opacity:1;transform:translateY(0)}.tooltip-content{background:var(--gray-900);color:#fff;padding:.5rem 1rem;border-radius:var(--radius-md);font-size:.875rem;max-width:250px;box-shadow:var(--shadow-lg)}.tooltip-arrow{position:absolute;width:8px;height:8px;background:var(--gray-900);transform:rotate(45deg)}.tooltip--top .tooltip-arrow{bottom:-4px;left:50%;margin-left:-4px}.tooltip--bottom .tooltip-arrow{top:-4px;left:50%;margin-left:-4px}[data-tooltip]{cursor:help}.input--error{border-color:var(--danger)!important}.input--valid{border-color:var(--success)!important}.error-message{color:var(--danger);font-size:.875rem;margin-top:.5rem}.error-message.hidden{display:none}input:invalid,select:invalid{border-color:var(--danger)}input:valid,select:valid{border-color:var(--success)}button:disabled{opacity:.6;cursor:not-allowed}.error-notification{position:fixed;bottom:2rem;right:2rem;max-width:400px;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);transform:translate(120%);transition:transform .3s ease;z-index:1100}.error-notification--visible{transform:translate(0)}.error-notification__content{padding:1rem}.error-notification__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.error-notification__title{font-weight:600;color:var(--gray-900)}.error-notification__close{background:none;border:none;font-size:1.5rem;color:var(--gray-500);cursor:pointer;padding:.25rem}.error-notification__body{color:var(--gray-600);font-size:.875rem}.error-notification__action{margin-bottom:.5rem}.error-notification__code{font-size:.75rem;color:var(--gray-500)}.error-notification--error{border-left:4px solid var(--danger)}.error-notification--warning{border-left:4px solid var(--warning)}.error-notification--success{border-left:4px solid var(--success)}.help-btn{padding:.5rem;background:none;border:none;color:var(--gray-600);cursor:pointer;transition:var(--transition)}.guided-tour-trigger{margin:2rem 0;text-align:center}.tour-btn{padding:1rem 2rem;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-lg);cursor:pointer;transition:var(--transition)}.notification--success{background:var(--success);color:#fff}.notification--error{background:var(--danger);color:#fff}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.action-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}.action-btn{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem;background:var(--gray-100);border:none;border-radius:var(--radius-sm);color:var(--gray-700);font-size:.875rem;cursor:pointer;transition:var(--transition)}.action-btn:hover{background:var(--gray-200)}.market-card{background:#fff;border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:2rem;box-shadow:var(--shadow-md)}.market-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.timeframe-selector{display:flex;gap:.5rem}.timeframe-btn{padding:.5rem 1rem;background:var(--gray-100);border:none;border-radius:var(--radius-sm);color:var(--gray-600);font-size:.875rem;cursor:pointer;transition:var(--transition)}.timeframe-btn:hover{background:var(--gray-200)}.timeframe-btn.active{background:var(--primary);color:#fff}.chart-container{height:300px;position:relative}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.market-tabs{display:flex;gap:1rem}.market-tab{padding:.5rem 1rem;background:none;border:none;border-bottom:2px solid transparent;color:var(--gray-600);cursor:pointer;transition:var(--transition)}.market-tab:hover{color:var(--primary)}.market-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.modal{display:none;position:fixed;inset:0;background:#00000080;z-index:100;padding:2rem}.modal.active{display:flex;align-items:center;justify-content:center}.modal-content{background:#fff;border-radius:var(--radius-lg);width:100%;max-width:500px;animation:modalSlide .3s ease}@keyframes modalSlide{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}@media(max-width:1280px){.stats-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:1024px){.search-container{width:300px}.nav-tabs{display:none}}@media(max-width:768px){.stats-grid{grid-template-columns:1fr}.search-container{display:none}.market-header{flex-direction:column;gap:1rem}.timeframe-selector{width:100%;overflow-x:auto}}@media print{.navbar,.action-btn,.modal{display:none}body{background:#fff}.main-content{margin-top:0;padding:0}}.confirm-dialog{display:none;position:fixed;inset:0;background:#00000080;z-index:100}.confirm-dialog.active{display:flex;align-items:center;justify-content:center}.confirm-dialog__content{background:#fff;border-radius:var(--radius-lg);padding:1.5rem;width:90%;max-width:400px}.confirm-dialog__title{font-size:1.25rem;font-weight:600;color:var(--gray-900);margin-bottom:.5rem}.confirm-dialog__message{color:var(--gray-600);margin-bottom:1.5rem}.confirm-dialog__actions{display:flex;justify-content:flex-end;gap:1rem}.loading{opacity:.6;position:relative}.loading:after{content:"Updating...";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;padding:.5rem;border-radius:var(--radius-md)}.search-box{margin-bottom:1rem}.search-input{padding:.5rem;border:1px solid var(--gray-200);border-radius:var(--radius-md);width:100%;max-width:300px}