:root{--primary:#e01030;--primary-hover:#be0e29;--secondary:#0070b0;--secondary-hover:#005f96;--accent-gold:#f0a020;--accent-purple:#7c3aed;--success:#16a34a;--success-bg:#f0fdf4;--danger:#dc2626;--text:#4b5563;--text-h:#111827;--text-muted:#6b7280;--bg:#fff;--border:#ddd;--surface:#fff;--surface-muted:#f8fafc;--danger-bg:#fef2f2;--skill-reading:#0070b0;--skill-reading-bg:#e6f2fa;--skill-listening:#7c3aed;--skill-listening-bg:#f3ebfd;--skill-writing:#d97706;--skill-writing-bg:#fef3e2;--skill-speaking:#e01030;--skill-speaking-bg:#fde8ea;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem;--space-8:4rem;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:22px;--radius-pill:999px;--shadow-sm:0 1px 2px #1118270a, 0 1px 3px #11182714;--shadow-md:0 4px 6px #1118270d, 0 10px 15px #1118271a;--shadow-lg:0 10px 15px #11182714, 0 20px 40px #1118271f;--shadow-focus:0 0 0 3px #e0103040;--accent-teal:#0d9488;--gradient-primary:linear-gradient(135deg, #e01030 0%, #ff4d5e 100%);--gradient-secondary:linear-gradient(135deg, #0070b0 0%, #17a5e0 100%);--gradient-gold:linear-gradient(135deg, #f0a020 0%, #ffc94d 100%);--gradient-listening:linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);--gradient-teal:linear-gradient(135deg, #0d9488 0%, #2dd4bf 100%);--gradient-story:linear-gradient(135deg, #ea580c 0%, #f472b6 100%);--gradient-page:linear-gradient(180deg, #fff5f6 0%, #f4f9fd 100%);--sans:"Be Vietnam Pro", system-ui, "Segoe UI", Roboto, sans-serif;--heading:"Be Vietnam Pro", system-ui, "Segoe UI", Roboto, sans-serif;font:16px/145% var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#9ca3af;--text-h:#f3f4f6;--text-muted:#9199a8;--bg:#16171d;--border:#2e303a;--surface:#1c1e26;--surface-muted:#20222c;--gradient-page:linear-gradient(180deg, #201017 0%, #14181f 100%);--skill-reading-bg:#142433;--skill-listening-bg:#221a35;--skill-writing-bg:#2e2010;--skill-speaking-bg:#2c151a}}@keyframes fade-up{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes pop-in{0%{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes pulse-scale{0%,to{transform:scale(1)}50%{transform:scale(1.12)}}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);letter-spacing:-.01em;font-weight:800}h1{margin:0;font-size:1.75rem;line-height:1.25}h2{margin:0 0 .5rem;font-size:1.25rem;line-height:1.25}p{margin:0}#app{flex-direction:column;min-height:100svh;display:flex}.btn{border-radius:var(--radius-sm);min-height:44px;font:inherit;cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:.5rem;padding:.65rem 1.25rem;font-weight:600;text-decoration:none;transition:background-color .15s,border-color .15s,box-shadow .15s,transform 50ms;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:focus-visible{box-shadow:var(--shadow-focus);outline:none}.btn-primary{background:var(--gradient-primary);color:#fff;border-radius:var(--radius-pill);box-shadow:0 4px 12px #e0103040}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 16px #e0103052}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-outline{border-color:var(--border);border-radius:var(--radius-pill);color:var(--text);background:0 0}.btn-outline:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.btn-danger{background:var(--danger);color:#fff;border-radius:var(--radius-pill)}.btn-danger:hover:not(:disabled){background:#b91c1c}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:box-shadow .15s,transform .15s,border-color .15s}a.card:hover,.card.is-interactive:hover{box-shadow:var(--shadow-lg);border-color:color-mix(in srgb, var(--primary) 35%, var(--border));transform:translateY(-3px)}.hero-banner{justify-content:space-between;align-items:center;gap:var(--space-5);background:var(--gradient-primary);border-radius:var(--radius-xl);color:#fff;padding:var(--space-6);margin-bottom:var(--space-6);box-shadow:var(--shadow-lg);border:none;animation:.4s ease-out fade-up;display:flex;position:relative;overflow:hidden}.hero-banner.hero-secondary{background:var(--gradient-secondary)}.hero-banner.hero-gold{background:var(--gradient-gold)}.hero-banner.hero-listening{background:var(--gradient-listening)}.hero-banner.hero-teal{background:var(--gradient-teal)}.hero-banner.hero-story{background:var(--gradient-story)}.hero-banner h1{color:#fff;margin-bottom:.35rem}.hero-banner-text{z-index:1;position:relative}.hero-banner-subtitle{color:#ffffffeb;max-width:42ch;margin:0}.hero-banner-illustration{z-index:1;filter:drop-shadow(0 8px 16px #0000002e);flex-shrink:0;position:relative}@media (width<=640px){.hero-banner{text-align:center;padding:var(--space-5);flex-direction:column}}.skill-badge{border-radius:var(--radius-pill);align-items:center;gap:.35rem;padding:.3rem .75rem;font-size:.8rem;font-weight:700;display:inline-flex}.skill-reading{background:var(--skill-reading-bg);color:var(--skill-reading)}.skill-listening{background:var(--skill-listening-bg);color:var(--skill-listening)}.skill-writing{background:var(--skill-writing-bg);color:var(--skill-writing)}.skill-speaking{background:var(--skill-speaking-bg);color:var(--skill-speaking)}.panel{background:var(--surface-muted);border-radius:var(--radius-md);padding:var(--space-4)}.panel-success{background:var(--success-bg);border:1px solid color-mix(in srgb, var(--success) 30%, transparent);border-radius:var(--radius-lg);padding:var(--space-5);animation:.35s ease-out pop-in}.panel-success h2{color:var(--success)}.chip{border:1px solid var(--border);border-radius:var(--radius-pill);color:inherit;padding:.25rem .75rem;font-size:.85rem;text-decoration:none;display:inline-flex}.chip:hover{border-color:var(--primary);color:var(--primary)}.search-box{margin-bottom:var(--space-4);position:relative}.search-icon{color:var(--text-muted);pointer-events:none;position:absolute;top:50%;left:.9rem;transform:translateY(-50%)}.search-input{box-sizing:border-box;border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--surface);width:100%;color:var(--text);font:inherit;padding:.65rem 1rem .65rem 2.6rem;font-size:.9rem}.search-input::placeholder{color:var(--text-muted)}.search-input:focus{border-color:var(--primary);box-shadow:var(--shadow-focus);outline:none}.filters{margin-bottom:var(--space-4);flex-wrap:wrap;gap:.5rem;display:flex}.filter-chip{border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--surface);color:var(--text);font:inherit;cursor:pointer;padding:.4rem .9rem;font-size:.875rem;font-weight:500;transition:all .15s}.filter-chip:hover{border-color:var(--primary);color:var(--primary)}.filter-chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.field{color:var(--text-h);flex-direction:column;gap:.375rem;font-size:.9rem;font-weight:500;display:flex}.error-text{color:var(--danger);font-size:.9rem}.empty-state{border:1px dashed var(--border);border-radius:var(--radius-md);padding:var(--space-6) var(--space-4);text-align:center;color:var(--text-muted)}.table-scroll{-webkit-overflow-scrolling:touch;border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);overflow-x:auto}input[type=text],input[type=email],input[type=password],textarea{border:1px solid var(--border);border-radius:var(--radius-sm);font:inherit;color:var(--text-h);background:var(--surface);box-sizing:border-box;min-height:44px;padding:.65rem .75rem;transition:border-color .15s,box-shadow .15s}input:focus-visible,textarea:focus-visible{border-color:var(--primary);box-shadow:var(--shadow-focus);outline:none}.auth-page{background:var(--surface-muted);min-height:100svh;padding:var(--space-4);justify-content:center;align-items:center;display:flex}.auth-card{background:var(--surface);border-radius:var(--radius-lg);width:min(400px,100%);box-shadow:var(--shadow-md);padding:var(--space-6);text-align:center}.auth-card form{text-align:left;gap:var(--space-4);flex-direction:column;display:flex}.auth-logo{width:auto;height:40px;margin:0 auto var(--space-4);display:block}.page-header{align-items:center;gap:var(--space-4);margin-bottom:var(--space-6);padding-bottom:var(--space-5);border-bottom:1px solid var(--border);display:flex}.page-header-icon{border-radius:var(--radius-md);color:#fff;background:var(--primary);width:52px;height:52px;box-shadow:var(--shadow-sm);flex-shrink:0;justify-content:center;align-items:center;display:flex}.page-header-icon.icon-secondary{background:var(--secondary)}.page-header-icon.icon-gold{background:var(--accent-gold)}.page-header-icon.icon-success{background:var(--success)}.page-header-icon.icon-reading{background:var(--skill-reading)}.page-header-icon.icon-listening{background:var(--skill-listening)}.page-header-icon.icon-writing{background:var(--skill-writing)}.page-header-icon.icon-speaking{background:var(--skill-speaking)}.page-header-icon.icon-purple{background:var(--accent-purple)}.page-header-icon.icon-teal{background:var(--accent-teal)}.page-header-text{flex:1;min-width:0}.page-header-text h1{margin:0}.page-header-subtitle{color:var(--text-muted);margin-top:.3rem;font-size:.95rem}.page-header-extra{flex-shrink:0}@media (width<=480px){.page-header{gap:var(--space-3)}.page-header-icon{width:44px;height:44px}.page-header-text h1{font-size:1.4rem}}.streak-badge[data-v-229afa0f]{border-radius:var(--radius-pill);background:var(--gradient-primary);color:#fff;flex-shrink:0;align-items:center;gap:.3rem;padding:.35rem .7rem;font-size:.9rem;font-weight:800;text-decoration:none;display:flex;box-shadow:0 2px 8px #e010304d}.streak-icon[data-v-229afa0f]{font-size:1rem;line-height:1}.streak-pulse[data-v-229afa0f]{animation:.6s ease-in-out 2 pulse-scale}.nav[data-v-0399b224]{z-index:30;padding:.75rem var(--space-4);border-bottom:1px solid var(--border);background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(10px);justify-content:space-between;align-items:center;gap:1.5rem;display:flex;position:sticky;top:0;box-shadow:0 1px 3px #1118270f}.brand[data-v-0399b224]{align-items:center;display:flex}.brand-logo[data-v-0399b224]{width:auto;height:40px;display:block}.menu-toggle[data-v-0399b224]{color:var(--text-h);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;margin-left:auto;padding:.5rem;display:none}.menu-toggle[data-v-0399b224]:hover{background:var(--surface-muted)}.nav nav[data-v-0399b224]{background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow-md);padding:var(--space-2) var(--space-4);z-index:20;flex-direction:column;flex:1;gap:0;display:none;position:absolute;top:100%;left:0;right:0}.nav nav.open[data-v-0399b224]{display:flex}.nav nav a[data-v-0399b224]{color:var(--text);padding:var(--space-3) 0;border-bottom:1px solid var(--border);font-weight:500;text-decoration:none}.nav nav a[data-v-0399b224]:last-child{border-bottom:none}.nav nav a.router-link-active[data-v-0399b224]{color:var(--primary);font-weight:700}.user[data-v-0399b224]{position:relative}.user-trigger[data-v-0399b224]{border-radius:var(--radius-pill);cursor:pointer;color:var(--text-h);font:inherit;background:0 0;border:1px solid #0000;align-items:center;gap:.6rem;padding:.35rem .6rem .35rem .35rem;transition:background-color .15s,border-color .15s;display:flex}.user-trigger[data-v-0399b224]:hover{background:var(--surface-muted);border-color:var(--border)}.avatar[data-v-0399b224]{background:var(--gradient-primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:.9rem;font-weight:700;display:flex;box-shadow:0 2px 6px #e0103059}.user-name[data-v-0399b224]{font-size:.95rem;font-weight:600;display:none}.chevron[data-v-0399b224]{color:var(--text-muted);flex-shrink:0;transition:transform .15s}.chevron.open[data-v-0399b224]{transform:rotate(180deg)}.user-dropdown[data-v-0399b224]{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);min-width:220px;box-shadow:var(--shadow-md);padding:var(--space-2);z-index:30;flex-direction:column;gap:2px;display:flex;position:absolute;top:calc(100% + .5rem);right:0}.dropdown-item[data-v-0399b224]{border-radius:var(--radius-sm);width:100%;color:var(--text-h);font:inherit;text-align:left;cursor:pointer;background:0 0;border:none;align-items:center;gap:.6rem;padding:.6rem .75rem;font-size:.9rem;text-decoration:none;transition:background-color .15s;display:flex}.dropdown-item[data-v-0399b224]:hover{background:var(--surface-muted)}.dropdown-item svg[data-v-0399b224]{color:var(--text-muted);flex-shrink:0}.dropdown-logout[data-v-0399b224],.dropdown-logout svg[data-v-0399b224]{color:var(--danger)}main[data-v-0399b224]{max-width:1080px;padding:var(--space-6) var(--space-4);margin:0 auto}main.main-full-bleed[data-v-0399b224]{max-width:none;margin:0;padding:0}@media (width<=767px){.menu-toggle[data-v-0399b224]{display:inline-flex}}@media (width>=768px){.nav[data-v-0399b224]{padding:.85rem var(--space-6)}.nav nav[data-v-0399b224]{box-shadow:none;margin-left:var(--space-6);background:0 0;border-bottom:none;flex-direction:row;flex:1;gap:.25rem;padding:0;display:flex;position:static}.nav nav a[data-v-0399b224]{border-radius:var(--radius-pill);border-bottom:none;padding:.5rem .85rem}.nav nav a[data-v-0399b224]:hover{background:var(--surface-muted)}.nav nav a.router-link-active[data-v-0399b224]{background:var(--danger-bg);color:var(--primary);font-weight:700}.user-name[data-v-0399b224]{display:inline}main[data-v-0399b224]{padding:var(--space-7) var(--space-6)}}