@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap";*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0c0d14;--surface:#13151f;--surface2:#1a1d2e;--border:#252840;--text:#e8e9f0;--text2:#8b8fa8;--text3:#55586a;--blue:#4f6bf4;--blue-dim:#1e2a6e;--gold:#f59e0b;--gold-dim:#4a3200;--green:#10b981;--green-dim:#0a3326;--red:#f87171;--red-dim:#3d1515;--purple:#a78bfa;--purple-dim:#2d1b6e;--cyan:#22d3ee;--cyan-dim:#0a3a44;--radius:16px;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:Inter,-apple-system,system-ui,sans-serif}body{background:var(--bg);color:var(--text);min-height:100vh;margin:0}#root{text-align:left;flex-direction:column;width:100%;max-width:100%;min-height:100vh;margin:0;display:flex}button{font-family:inherit}a{color:inherit;text-decoration:none}.nav{border-bottom:1px solid var(--border);z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0c0d14e0;justify-content:space-between;align-items:center;padding:18px 28px;display:flex;position:sticky;top:0}.nav-logo{letter-spacing:-.5px;background:linear-gradient(135deg,#4f6bf4,#a78bfa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:20px;font-weight:700}.nav-logo span{font-weight:300}.nav-tabs{background:var(--surface);border-radius:10px;gap:4px;padding:4px;display:flex}.nav-tab{color:var(--text2);cursor:pointer;background:0 0;border:none;border-radius:7px;padding:8px 16px;font-size:13px;font-weight:500;transition:all .2s}.nav-tab.active{background:var(--surface2);color:var(--text)}.nav-tab:hover{color:var(--text)}.nav-right{align-items:center;gap:12px;display:flex}.streak-badge{background:var(--gold-dim);color:var(--gold);border:1px solid #6b4900;border-radius:20px;align-items:center;gap:6px;padding:6px 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span{color:var(--blue)}.subtext{color:var(--text2);margin-bottom:32px;font-size:15px}.today-card{border-radius:var(--radius);background:linear-gradient(135deg,#1a2060 0%,#0f1340 100%);border:1px solid #2a3490;margin-bottom:28px;padding:28px;position:relative;overflow:hidden}.today-card:after{content:"";background:#4f6bf41a;border-radius:50%;width:180px;height:180px;position:absolute;top:-20px;right:-20px}.today-label{text-transform:uppercase;letter-spacing:1px;color:#8fa2ff;margin-bottom:12px;font-size:11px;font-weight:600}.today-progress{align-items:flex-end;gap:14px;margin-bottom:18px;display:flex}.today-count{letter-spacing:-2px;font-size:52px;font-weight:700;line-height:1}.today-total{color:var(--text2);padding-bottom:8px;font-size:20px}.progress-bar-wrap{background:#ffffff14;border-radius:4px;width:100%;height:6px;margin-bottom:16px}.progress-bar{background:linear-gradient(90deg,#4f6bf4,#a78bfa);border-radius:4px;height:6px;transition:width .5s}.btn{cursor:pointer;border:none;border-radius:10px;align-items:center;gap:8px;padding:12px 22px;font-size:14px;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:#3d57e0;transform:translateY(-1px)}.btn-ghost{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-ghost:hover{border-color:var(--text2)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.decks-grid{grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:28px;display:grid}.deck-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;text-align:left;padding:20px;transition:all .2s}.deck-card:hover{border-color:var(--blue);transform:translateY(-2px)}.deck-icon{margin-bottom:12px;font-size:24px}.deck-name{margin-bottom:4px;font-size:14px;font-weight:600}.deck-meta{color:var(--text2);margin-bottom:12px;font-size:12px}.deck-tags{gap:6px;margin-bottom:12px;display:flex}.deck-tag{background:var(--surface2);color:var(--text3);border:1px solid var(--border);border-radius:10px;padding:2px 8px;font-size:10px}.deck-bar-wrap{background:var(--border);border-radius:3px;height:4px}.deck-bar{border-radius:3px;height:4px;transition:width .5s}.deck-bar.finance{background:var(--gold)}.deck-bar.ai{background:var(--blue)}.deck-bar.earnings{background:var(--green)}.deck-bar.regulatory{background:var(--purple)}.deck-bar.academic{background:var(--cyan)}.stats-row{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.stat-card{background:var(--surface);border:1px solid 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var(--border);border-radius:24px;flex-direction:column;width:100%;height:100%;min-height:460px;display:flex;position:absolute}.card-front{justify-content:center;align-items:center;padding:40px}.card-back{justify-content:flex-start;align-items:flex-start;padding:32px;overflow-y:auto;transform:rotateY(180deg)}.flip-back-btn{background:var(--surface2);border:1px solid var(--border);color:var(--text2);cursor:pointer;border-radius:8px;align-self:flex-end;margin-bottom:14px;padding:5px 13px;font-size:12px;font-weight:500;transition:all .15s}.flip-back-btn:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-dim)}.card-type-tag{text-transform:uppercase;letter-spacing:1px;color:var(--text3);border:1px solid var(--border);border-radius:20px;margin-bottom:20px;padding:4px 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.sp-inline-zh{color:var(--text2);margin-top:3px;font-size:15px;display:block}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;background:#0009;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:460px;padding:28px}.modal h3{margin-bottom:8px;font-size:18px;font-weight:700}.modal p{color:var(--text2);margin-bottom:18px;font-size:13px;line-height:1.6}.modal-input{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);border-radius:10px;margin-bottom:16px;padding:12px 14px;font-family:JetBrains Mono,monospace;font-size:14px}.modal-input:focus{border-color:var(--blue);outline:none}.modal-actions{justify-content:flex-end;gap:10px;display:flex}.modal-note{color:var(--text3);margin-top:14px;font-size:11px;line-height:1.5}@media (width<=640px){.decks-grid{grid-template-columns:1fr}.mastery-grid{grid-template-columns:repeat(2,1fr)}.stats-row{grid-template-columns:1fr}.heatmap{grid-template-columns:repeat(13,1fr)}.nav{padding:14px 16px}.page-content{padding:28px 18px}}