:root{--blue-main:#1a2e4a;--green-main:#4caf50;--bg-light:#f4f6fb;--card-bg:#fff;--text-main:#123;--text-muted:#80889a;--shadow-soft:0 6px 16px rgba(0,0,0,.06);--nav-height:64px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:#e0e7f1;justify-content:center}.app,body{display:flex}.app{width:100%;max-width:430px;height:100vh;background:var(--bg-light);flex-direction:column;position:relative}.app-header{background:#fff;padding:6px 16px 10px;box-shadow:0 1px 4px rgba(0,0,0,.06)}.status-bar{font-size:11px;color:var(--text-muted);text-align:right;margin-bottom:4px}.top-bar{justify-content:space-between}.logo,.top-bar{display:flex;align-items:center}.logo{background:var(--blue-main);padding:6px 10px;border-radius:16px;color:#fff}.logo-icon{margin-right:6px;font-size:12px}.logo-text{font-weight:700;font-size:18px}.avatar{width:30px;height:30px;border-radius:50%;background:#eef1f7;display:flex;align-items:center;justify-content:center}main{flex:1;overflow-y:auto;padding:16px;padding-bottom:calc(var(--nav-height) + 16px)}.view{display:none}.view-active{display:block}.hello{margin:0;font-size:22px;font-weight:700;color:var(--text-main)}.subtitle{margin:4px 0 16px;color:var(--text-muted)}.card{background:var(--card-bg);border-radius:18px;padding:16px;box-shadow:var(--shadow-soft);margin-bottom:16px}.card h2{margin:0 0 12px;color:var(--text-main)}.card-header{display:flex;justify-content:space-between;align-items:center}.tag{font-size:12px;padding:4px 10px;border-radius:999px;background:#eef4ff;color:var(--blue-main)}.saving-row{gap:16px}.circle-progress,.saving-row{display:flex;align-items:center}.circle-progress{width:92px;height:92px;border-radius:50%;border:6px solid var(--green-main);justify-content:center;font-weight:700;color:var(--green-main)}.saving-text p{margin:0}.bar-chart{display:flex;justify-content:space-around;align-items:flex-end;margin-top:8px}.bar-item{display:flex;flex-direction:column;align-items:center}.bar-item span{font-size:12px}.bar{width:24px;border-radius:10px;margin-bottom:6px;background:#d2deff}.bar-small{height:18px}.bar-medium{height:40px}.bar-tall{height:70px}.bar-food{background:var(--green-main)}.bar-transport{background:#2f7ed8}.bar-leisure{background:#9aaad9}.bar-subs{background:#2f4a80}.progress-bar{height:8px;border-radius:999px;background:#e3e7f0;overflow:hidden;margin:8px 0 4px}.progress-fill{height:100%;background:var(--green-main)}.view h1{margin:0 0 4px;color:var(--text-main)}.module-card{display:flex;justify-content:space-between;align-items:center}.module-level{font-size:12px;padding:4px 10px;border-radius:999px;display:inline-block;margin-top:4px}.level-basic{background:rgba(76,175,80,.12);color:var(--green-main)}.level-intermediate{background:rgba(26,46,74,.08);color:var(--blue-main)}.arrow{font-size:20px;color:#c0c5d0}.chat-window{padding:8px 0 90px}.bubble{max-width:80%;padding:10px 12px;border-radius:16px;margin-bottom:8px;font-size:14px;line-height:1.3}.bubble.bot{background:#fff;color:var(--text-main);border-bottom-left-radius:4px}.bubble.user{margin-left:auto;background:#e0f4e6;color:#225338;border-bottom-right-radius:4px}.chat-input{position:fixed;bottom:var(--nav-height);left:50%;transform:translateX(-50%);max-width:430px;width:100%;display:flex;padding:8px 16px;background:rgba(244,246,251,.96);backdrop-filter:blur(8px);gap:8px}.chat-input input{flex:1;border-radius:999px;border:none;padding:10px 14px;font-size:14px;outline:none}.chat-input button{border-radius:999px;border:none;background:var(--green-main);color:#fff;padding:0 16px;font-size:16px;cursor:pointer;transition:opacity .2s}.chat-input button:hover{opacity:.9}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);max-width:430px;width:100%;height:var(--nav-height);background:#fff;display:flex;justify-content:space-around;align-items:center;box-shadow:0 -3px 14px rgba(0,0,0,.08)}.nav-btn{background:none;border:none;font-size:13px;color:var(--text-muted);cursor:pointer;transition:color .2s}.nav-btn-active{color:var(--green-main);font-weight:600}.lesson-content{padding-bottom:20px}.back-button{background:none;border:none;color:var(--green-main);font-size:16px;font-weight:600;cursor:pointer;padding:8px 12px;margin-bottom:16px;display:inline-flex;align-items:center;transition:opacity .2s}.back-button:hover{opacity:.7}.lesson-title{font-size:28px;margin:0 0 8px;color:var(--text-main)}.lesson-badge{font-size:14px;color:var(--text-muted);margin-bottom:20px}.lesson-card{margin-bottom:16px}.lesson-card h2{font-size:20px;margin-bottom:12px;color:var(--text-main)}.lesson-card h3{font-size:16px;margin-bottom:8px;color:var(--text-main)}.lesson-card p{line-height:1.6;margin-bottom:12px;color:var(--text-main)}.lesson-list{list-style:none;padding:0;margin:12px 0}.lesson-list li{padding:10px 0;line-height:1.5;border-bottom:1px solid #f0f0f0;color:var(--text-main)}.lesson-list li:last-child{border-bottom:none}.rule-grid{display:grid;grid-template-columns:1fr;gap:12px;margin:16px 0}.rule-item{background:#f8f9fa;padding:16px;border-radius:12px;text-align:center;border-left:4px solid}.rule-needs{border-left-color:#e74c3c}.rule-wants{border-left-color:#3498db}.rule-savings{border-left-color:var(--green-main)}.rule-percentage{font-size:32px;font-weight:700;margin-bottom:4px;color:var(--text-main)}.rule-label{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--text-main)}.rule-description{font-size:13px;color:var(--text-muted);margin:0}.note{background:#fff3cd;border-left:4px solid #ffc107;padding:12px;border-radius:6px;font-size:14px;margin-top:16px;line-height:1.5}.steps{margin:16px 0}.step{display:flex;gap:16px;margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid #f0f0f0}.step:last-child{border-bottom:none}.step-number{flex-shrink:0;width:32px;height:32px;background:var(--green-main);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px}.step-content h3{margin-top:0;margin-bottom:6px}.step-content p{margin:0;font-size:14px;line-height:1.5}.example-card{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.example-card h2,.example-card p,.example-card strong{color:#fff}.example-budget{background:#fff;border-radius:12px;padding:16px;margin-top:12px}.budget-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;font-size:14px}.budget-amount,.budget-label,.budget-row{color:var(--text-main)}.budget-amount,.budget-income{font-weight:600}.budget-income{background:#e8f5e9;padding:12px;border-radius:8px;margin-bottom:12px}.budget-income .budget-amount{color:var(--green-main);font-size:18px}.budget-section{margin:16px 0;padding:12px;background:#f8f9fa;border-radius:8px}.budget-section-title{font-weight:700;color:var(--text-main);margin-bottom:8px;font-size:14px}.budget-section .budget-row{padding:6px 0;border-bottom:1px solid #e9ecef}.budget-section .budget-row:last-child{border-bottom:none}.budget-total{border-top:2px solid #dee2e6;margin-top:12px;padding-top:12px;font-size:16px}.summary-card{background:linear-gradient(135deg,#11998e,#38ef7d);color:#fff}.summary-card h2,.summary-card h3,.summary-card li,.summary-card p,.summary-card strong{color:#fff}.summary-card .lesson-list li{border-bottom-color:hsla(0,0%,100%,.3)}.next-steps{background:hsla(0,0%,100%,.15);padding:16px;border-radius:12px;margin-top:16px}.next-steps h3{margin-top:0;margin-bottom:12px}.complete-button{background:#fff;color:var(--green-main);border:none;padding:14px 24px;border-radius:10px;font-weight:700;font-size:16px;cursor:pointer;width:100%;margin-top:16px;transition:transform .2s,box-shadow .2s}.complete-button:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.15)}.complete-button:active{transform:translateY(0)}