body{color:#1f2933;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f5f7fb;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}*{box-sizing:border-box}:root{--color-page:#f5f7fb;--color-surface:#fff;--color-surface-muted:#eef3f8;--color-text:#1f2933;--color-muted:#5d6b7a;--color-border:#d8e0e8;--color-primary:#2367c9;--color-primary-hover:#174f9c;--color-success:#15803d;--color-danger:#c2410c;--shadow-soft:0 12px 30px #1f293314;--radius:8px}a{color:var(--color-primary)}button,input,textarea{font:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible{outline-offset:2px;outline:3px solid #2367c947}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.App{min-height:100vh}.signup-page{grid-template-columns:minmax(0,.95fr) minmax(360px,420px);align-items:center;gap:28px;width:min(1080px,100%);min-height:100vh;margin:0 auto;padding:48px 20px;display:grid}.signup-story{color:#fff;background:linear-gradient(135deg, #2367c9f5, #15803dd1), var(--color-primary);border-radius:var(--radius);box-shadow:var(--shadow-soft);padding:32px}.signup-kicker{letter-spacing:0;text-transform:uppercase;opacity:.82;margin:0 0 10px;font-size:.78rem;font-weight:900}.signup-story h1{max-width:620px;margin:0;font-size:2.65rem;line-height:1.06}.signup-story p{opacity:.9;max-width:620px;margin:16px 0 0;line-height:1.62}.signup-story ul{gap:10px;margin:28px 0 0;padding:0;list-style:none;display:grid}.signup-story li{border-radius:var(--radius);background:#ffffff24;border:1px solid #ffffff3d;padding:12px 14px;font-weight:800}.signup-form{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);width:100%;box-shadow:var(--shadow-soft);padding:32px}.signup-form h2{color:var(--color-text);margin:0;font-size:26px;font-weight:800}.signup-subtitle{color:var(--color-muted);margin:8px 0 20px;line-height:1.5}.signup-form label{color:var(--color-text);margin-bottom:6px;font-weight:800;display:block}.signup-form input[type=email],.signup-form input[type=password]{border:1px solid var(--color-border);border-radius:var(--radius);box-sizing:border-box;width:100%;color:var(--color-text);outline:none;margin-bottom:16px;padding:12px 14px;font-size:16px}.signup-form button{background-color:var(--color-primary);color:#fff;border-radius:var(--radius);cursor:pointer;border:none;width:100%;padding:12px 14px;font-size:16px;font-weight:800;transition:background-color .2s}.signup-form button:hover:not(:disabled){background-color:var(--color-primary-hover)}.signup-form button:disabled{cursor:wait;opacity:.72}.signup-form .text-sm{text-align:center;color:var(--color-muted);margin-top:20px}.signup-form .text-sm a{color:var(--color-primary);text-decoration:none;transition:color .2s}.signup-form .text-sm a:hover{color:var(--color-primary-hover)}@media (width<=820px){.signup-page{grid-template-columns:1fr}.signup-story h1{font-size:2.2rem}}@media (width<=520px){.signup-page{padding:24px 16px}.signup-story,.signup-form{padding:24px}}.modal__backdrop{z-index:999;background-color:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal__wrapper{background:#fff;border:1px solid #000;border-radius:8px;width:400px;max-width:90%;max-height:80vh;padding:20px;position:relative;overflow-y:auto;box-shadow:0 2px 4px #0003}.modal__header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.modal__close{cursor:pointer;color:#999;font-size:24px;transition:color .3s}.modal__close:hover{color:red}.modal__content{padding:20px}.auth-page{grid-template-columns:minmax(0,.95fr) minmax(360px,420px);align-items:center;gap:28px;width:min(1080px,100%);min-height:100vh;margin:0 auto;padding:48px 20px;display:grid}.auth-story{color:#fff;background:linear-gradient(135deg, #2367c9f5, #15803dd1), var(--color-primary);border-radius:var(--radius);box-shadow:var(--shadow-soft);padding:32px}.auth-kicker{letter-spacing:0;text-transform:uppercase;opacity:.82;margin:0 0 10px;font-size:.78rem;font-weight:900}.auth-story h1{max-width:620px;margin:0;font-size:2.65rem;line-height:1.06}.auth-story p{opacity:.9;max-width:620px;margin:16px 0 0;line-height:1.62}.auth-preview{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:28px;display:grid}.auth-preview div{border-radius:var(--radius);background:#ffffff24;border:1px solid #ffffff3d;padding:16px}.auth-preview strong,.auth-preview span{display:block}.auth-preview strong{font-size:1.55rem}.auth-preview span{opacity:.82;margin-top:2px;font-weight:800}.signin-form{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);width:100%;box-shadow:var(--shadow-soft);padding:32px}.signin-form h2{color:var(--color-text);margin:0;font-size:26px;font-weight:800}.auth-subtitle,.auth-note{color:var(--color-muted);margin:8px 0 20px;line-height:1.5}.signin-form label{color:var(--color-text);margin-bottom:6px;font-weight:800;display:block}.signin-form input[type=email],.signin-form input[type=password]{border:1px solid var(--color-border);border-radius:var(--radius);box-sizing:border-box;width:100%;color:var(--color-text);background:var(--color-surface);outline:none;margin-bottom:16px;padding:12px 14px;font-size:16px}.signin-form button{background-color:var(--color-primary);color:#fff;border-radius:var(--radius);cursor:pointer;border:none;width:100%;padding:12px 14px;font-size:16px;font-weight:800;transition:background-color .2s}.signin-form button:hover:not(:disabled){background-color:var(--color-primary-hover)}.signin-form button:disabled{cursor:wait;opacity:.72}.signin-form .google-signin-button,.signin-form .anonymous-signin-button{background-color:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);justify-content:center;align-items:center;margin-top:10px;display:flex}.signin-form .google-signin-button img{width:20px;height:20px;margin-right:10px}.signin-form .google-signin-button:hover:not(:disabled),.signin-form .anonymous-signin-button:hover:not(:disabled){background-color:var(--color-surface-muted)}.signin-form .google-signin-text{color:var(--color-text)}.signin-form .text-sm{text-align:center;color:var(--color-muted);margin:16px 0 0;font-size:14px}.signin-form .text-sm a,.forgot-password-link{color:var(--color-primary);text-decoration:none;transition:color .2s}.signin-form .text-sm a:hover,.forgot-password-link:hover{color:var(--color-primary-hover)}@media (width<=820px){.auth-page{grid-template-columns:1fr}.auth-story h1{font-size:2.2rem}}@media (width<=520px){.auth-page{padding:24px 16px}.auth-story,.signin-form{padding:24px}}:root{--title-bar-height:60px}.workspace-shell{background:var(--color-page);min-height:100vh}.workspace{padding:calc(var(--title-bar-height) + 18px) 18px 24px;flex-direction:column;gap:16px;display:flex}.workspace-hero{color:#fff;background:linear-gradient(135deg, #2367c9f5, #15803dd6), var(--color-primary);border-radius:var(--radius);justify-content:space-between;align-items:center;gap:24px;padding:22px 24px;display:flex}.workspace-kicker,.panel-kicker{color:inherit;letter-spacing:0;text-transform:uppercase;opacity:.78;margin:0 0 6px;font-size:.78rem;font-weight:800}.workspace-hero h2,.panel-heading h3{margin:0}.workspace-hero p{opacity:.92;max-width:760px;margin:8px 0 0;line-height:1.55}.readiness-panel{flex:none;align-items:center;gap:14px;display:flex}.readiness-meter{text-align:center;border:2px solid #ffffff8c;border-radius:50%;place-items:center;width:118px;height:118px;display:grid}.readiness-meter span{font-size:1.8rem;font-weight:800}.readiness-meter small{color:#ffffffd1;max-width:76px;margin-top:-24px;font-size:.72rem;font-weight:700;line-height:1.15}.coverage-detail{border-radius:var(--radius);background:#ffffff1f;border:1px solid #ffffff38;min-width:138px;padding:10px 12px}.coverage-detail strong,.coverage-detail span{display:block}.coverage-detail strong{font-size:1.25rem}.coverage-detail span{color:#ffffffd6;margin-top:2px;font-size:.78rem;font-weight:800}.analysis-strip{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.analysis-tile{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:16px}.analysis-tile span{color:var(--color-text);font-size:1.55rem;font-weight:800;display:block}.analysis-tile small{color:var(--color-muted);font-weight:700}.workspace-grid{grid-template-columns:minmax(320px,.9fr) minmax(420px,1.35fr);gap:16px;min-width:0;height:min(760px,100vh - 288px);min-height:540px;display:grid}.source-panel,.review-panel,.activity-panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);min-width:0;box-shadow:0 1px 2px #1f29330a}.source-panel{flex-direction:column;min-height:0;display:flex;overflow:hidden}.panel-heading{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex}.panel-heading .panel-kicker{color:var(--color-muted)}.source-panel textarea{resize:none;width:100%;min-height:0;color:var(--color-text);background:var(--color-surface);border:0;flex:1;padding:16px;line-height:1.58}.source-panel textarea::placeholder{color:#8795a4}.source-footer{color:var(--color-muted);border-top:1px solid var(--color-border);background:#fbfdff;justify-content:space-between;gap:10px;padding:10px 16px;font-size:.88rem;font-weight:800;display:flex}.source-footer span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.ghost-button{color:var(--color-primary);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);cursor:pointer;padding:8px 12px;font-weight:700}.ghost-button:hover:not(:disabled){background:var(--color-surface-muted)}.ghost-button:disabled{color:#9aa7b4;cursor:not-allowed}.review-panel{min-height:0;overflow:hidden}.activity-panel{overflow:hidden}.activity-toggle{width:100%;color:var(--color-text);background:var(--color-surface);cursor:pointer;border:0;justify-content:space-between;align-items:center;padding:12px 16px;font-weight:800;display:flex}.activity-toggle span{min-width:28px;color:var(--color-primary);background:#eef6ff;border-radius:999px;padding:2px 8px}.activity-log{border-top:1px solid var(--color-border);background:#fbfdff;max-height:160px;padding:8px 16px 14px;overflow:auto}.activity-log p{color:var(--color-muted);border-bottom:1px solid #edf2f7;margin:0;padding:6px 0;font-size:.9rem;line-height:1.4}.activity-log p:last-child{border-bottom:0}@media (width<=960px){.workspace-hero{align-items:flex-start}.analysis-strip,.workspace-grid{grid-template-columns:1fr}.workspace-grid{height:auto;min-height:0}}@media (width<=640px){.workspace{padding:calc(var(--title-bar-height) + 12px) 12px 18px}.workspace-hero{flex-direction:column}.readiness-meter{width:112px;height:112px}.readiness-panel{align-items:stretch}.coverage-detail{align-content:center;display:grid}.source-panel textarea{min-height:320px}.source-footer{flex-direction:column;gap:4px}}.title-bar{background-color:var(--color-surface);color:var(--color-text);z-index:1000;border-bottom:1px solid var(--color-border);align-items:center;gap:16px;width:100%;padding:10px 18px;display:flex;position:fixed;top:0;left:0;box-shadow:0 1px 8px #1f29330f}.brand-link{color:var(--color-text);flex:none;align-items:center;gap:10px;text-decoration:none;display:inline-flex}.brand-mark{color:#fff;background:var(--color-primary);border-radius:var(--radius);place-items:center;width:36px;height:36px;font-size:.8rem;font-weight:800;display:grid}.title{white-space:nowrap;margin:0;font-size:20px;font-weight:800}.top-navigation{flex:1;align-items:center;gap:4px;min-width:0;display:flex;overflow-x:auto}.top-navigation a{color:var(--color-muted);border-radius:var(--radius);white-space:nowrap;padding:9px 12px;font-size:.95rem;font-weight:800;text-decoration:none}.top-navigation a:hover{color:var(--color-primary);background:var(--color-surface-muted)}.top-navigation a.active{color:var(--color-primary);background:#eef6ff}.user-menu-container{flex:none;align-items:center;margin-right:0;display:flex}.user-account-icon{background-color:var(--color-primary);color:#fff;cursor:pointer;border:1px solid #0000;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:13px;font-weight:700;display:flex}.user-account-icon:hover{background-color:var(--color-primary-hover)}@media (width<=560px){.title-bar{gap:10px;padding:10px 12px}.brand-mark{width:34px;height:34px}.title{display:none}.top-navigation a{padding:8px 10px;font-size:.9rem}.user-account-icon{width:36px;height:36px}}.user-menu{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);width:min(280px,100vw - 24px);box-shadow:var(--shadow-soft);position:absolute;top:60px;right:18px;overflow:hidden}.user-menu-summary{border-bottom:1px solid var(--color-border);background:var(--color-surface-muted);grid-template-columns:42px minmax(0,1fr);align-items:center;gap:10px;padding:14px;display:grid}.user-menu-avatar{color:#fff;background:var(--color-primary);border-radius:50%;place-items:center;width:42px;height:42px;font-size:.82rem;font-weight:800;display:grid}.user-menu-summary strong,.user-menu-summary span{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.user-menu-summary strong{color:var(--color-text);font-size:.95rem}.user-menu-summary span{color:var(--color-muted);margin-top:2px;font-size:.84rem}.user-menu ul{margin:0;padding:0;list-style-type:none}.user-menu li{padding:0}.user-menu .menu-item{cursor:pointer;text-align:left;width:100%;color:var(--color-text);background-color:#0000;border:none;padding:12px 14px;font-weight:700}.user-menu .menu-item:hover{background-color:var(--color-surface-muted)}.user-menu .menu-item.danger{color:var(--color-danger)}@media (width<=560px){.user-menu{right:12px}}.file-form{grid-template-columns:minmax(150px,180px) minmax(0,1fr);align-items:stretch;gap:10px;width:50%;min-height:52px;display:grid}.file-button{background-color:var(--color-surface);color:var(--color-primary);border:1px solid var(--color-primary);border-radius:var(--radius);cursor:pointer;flex-direction:column;justify-content:center;gap:2px;width:100%;height:100%;min-height:52px;padding:8px 12px;font-weight:800;transition:background-color .2s,color .2s;display:inline-flex}.file-button:hover{background-color:#eef6ff}.file-button small{color:var(--color-muted);font-size:.78rem;font-weight:700}.selected-file{min-width:0;color:var(--color-text);background:var(--color-surface-muted);border:1px solid var(--color-border);border-radius:var(--radius);flex-direction:column;justify-content:center;padding:8px 10px;display:flex}.selected-file span,.selected-file small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.selected-file span{font-weight:800}.selected-file small{color:var(--color-muted);margin-top:2px;font-size:.78rem;font-weight:700}.file-input{clip:rect(0 0 0 0);white-space:nowrap;clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=520px){.file-form{grid-template-columns:1fr;width:100%}}.word-list{flex-direction:column;height:100%;min-height:0;display:flex}.word-list-toolbar{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex}.word-list-toolbar h3{margin:0}.word-list-help{color:var(--color-muted);margin:4px 0 0;font-size:.86rem;font-weight:700}.word-list-toolbar .panel-kicker{color:var(--color-muted)}.filter-tabs{background:var(--color-surface-muted);border-radius:var(--radius);padding:3px;display:inline-flex}.filter-tabs button{color:var(--color-muted);cursor:pointer;background:0 0;border:0;border-radius:6px;align-items:center;gap:6px;padding:7px 10px;font-weight:700;display:inline-flex}.filter-tabs button.active{color:var(--color-primary);background:var(--color-surface);box-shadow:0 1px 2px #1f293314}.filter-tabs span{color:inherit;background:#2367c914;border-radius:999px;padding:1px 6px;font-size:.78rem;font-weight:900}.word-search{border-bottom:1px solid var(--color-border);grid-template-columns:150px 1fr auto;align-items:center;gap:12px;padding:12px 16px;display:grid}.word-search label{color:var(--color-muted);text-transform:uppercase;font-size:.82rem;font-weight:900}.word-search input{width:100%;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:10px 12px}.copy-learning-button{color:#fff;background:var(--color-primary);border-radius:var(--radius);cursor:pointer;white-space:nowrap;border:0;padding:10px 12px;font-weight:800}.copy-learning-button:hover:not(:disabled){background:var(--color-primary-hover)}.copy-learning-button:disabled{cursor:not-allowed;opacity:.6}.copy-status{color:var(--color-primary);border-bottom:1px solid var(--color-border);background:#eef6ff;padding:8px 16px;font-weight:800}.grid{background:var(--color-surface);flex:1;min-height:0;max-height:none;margin-left:0;position:relative;overflow:auto}.word-list-pager{z-index:2;color:var(--color-muted);border-bottom:1px solid var(--color-border);background:#fbfdff;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;font-size:.9rem;font-weight:800;display:flex;position:sticky;top:0}.word-list-pager div{align-items:center;gap:8px;display:inline-flex}.word-list-pager button{color:var(--color-primary);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);cursor:pointer;padding:7px 10px;font-weight:800}.word-list-pager button:disabled{color:#9aa7b4;cursor:not-allowed}.word-list-pager strong{min-width:68px;color:var(--color-text);text-align:center}.word-list table{table-layout:fixed;border-collapse:collapse;width:100%;min-width:620px;font-size:.95rem}.rank-column{width:70px}.word-column,.frequency-column{width:34%}.status-column{width:132px}.word-list td,.word-list th{border-bottom:1px solid var(--color-border);color:var(--color-text);text-align:left;padding:10px 12px}.word-list th{background:var(--color-surface-muted);color:var(--color-text);z-index:1;font-weight:700;position:sticky;top:45px}.word-list td{background:var(--color-surface)}.word-list tbody tr:hover td{background:#f8fbff}.rank-cell{color:var(--color-muted);font-variant-numeric:tabular-nums}.word-list td:nth-child(2){text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.frequency-cell{grid-template-columns:44px minmax(72px,1fr);align-items:center;gap:10px;display:grid}.frequency-track{background:#e7edf4;border-radius:999px;height:8px;overflow:hidden}.frequency-fill{background:var(--color-primary);border-radius:inherit;height:100%}.dictionary-trigger{text-overflow:ellipsis;white-space:nowrap;max-width:100%;color:var(--color-primary);cursor:pointer;background:0 0;border:0;padding:0;font-weight:800;overflow:hidden}.dictionary-trigger:hover{color:var(--color-primary-hover);text-decoration:underline}.word-status{border-radius:999px;align-items:center;gap:6px;min-width:96px;padding:5px 8px;font-size:.9rem;font-weight:700;display:inline-flex}.word-status.known{color:var(--color-success);background:#eaf7ee}.word-status.learning{color:var(--color-danger);background:#fff2e8}.word-list input[type=checkbox]:disabled{cursor:wait}.word-list label{color:var(--color-text)}.empty-vocabulary{min-height:360px;color:var(--color-muted);text-align:center;place-items:center;padding:32px;display:grid}.empty-vocabulary-content{gap:10px;max-width:520px;display:grid}.empty-vocabulary .panel-kicker{color:var(--color-primary);margin:0}.empty-vocabulary h3{color:var(--color-text);margin:0;font-size:1.45rem}.empty-vocabulary p{margin:0}.empty-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:10px;display:grid}.empty-steps span{min-height:76px;color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius);background:#fbfdff;place-items:center;padding:12px;font-weight:800;line-height:1.3;display:grid}@media (width<=640px){.word-list-toolbar{flex-direction:column;align-items:flex-start}.filter-tabs{width:100%}.filter-tabs button{flex:1;justify-content:center}.word-search{grid-template-columns:1fr;gap:6px}.copy-learning-button{width:100%}.word-list-pager{flex-direction:column;align-items:stretch}.word-list-pager div{justify-content:space-between}.empty-steps{grid-template-columns:1fr}}.popup-content{background:#fff;border:1px solid #d7d7d7;width:50%;margin:auto;padding:5px}[role=tooltip].popup-content{border-radius:5px;width:200px;box-shadow:0 0 3px #00000029}.popup-overlay{background:#00000080}[data-popup=tooltip].popup-overlay{background:0 0}.popup-arrow{filter:drop-shadow(0 -3px 3px #00000029);color:#fff;stroke-width:2px;stroke:#d7d7d7;stroke-dasharray:30;stroke-dashoffset:-54px;inset:0}.parse-file-container{background:var(--color-surface);flex-direction:column;height:100%;min-height:0;display:flex}.file-form-section{border-bottom:1px solid var(--color-border);background:#fbfdff;grid-template-columns:minmax(170px,.7fr) minmax(320px,1.3fr);gap:10px;width:100%;padding:14px 16px;display:grid}.output-section{background-color:var(--color-surface);flex-direction:column;flex:auto;width:100%;min-height:0;padding:0;display:flex;overflow:hidden}.output-section::-webkit-scrollbar{width:10px}.output-section::-webkit-scrollbar-thumb{background:#888;border-radius:5px}.output-section::-webkit-scrollbar-thumb:hover{background:#555}.parse-button-container{flex-direction:column;align-items:center;width:100%;min-height:52px;display:flex}.parse-button{background-color:var(--color-primary);color:#fff;border-radius:var(--radius);cursor:pointer;border:none;width:100%;height:100%;min-height:52px;padding:0 14px;font-weight:800;transition:background-color .2s}.parse-button:hover{background-color:var(--color-primary-hover)}.parse-button:disabled{cursor:not-allowed;background-color:#7a8794}.parse-status{width:100%;color:var(--color-text);background:#eef6ff;border-top:1px solid #c9d8e8;border-bottom:1px solid #c9d8e8;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px 14px;font-size:.9rem;display:grid}.parse-status span:not(.parse-spinner){text-overflow:ellipsis;white-space:nowrap;min-width:0;font-weight:800;overflow:hidden}.parse-status small{color:var(--color-muted);white-space:nowrap;font-weight:800}.parse-status.busy{background:#fff7ed;border-color:#fed7aa}.parse-spinner{border:2px solid #c2410c33;border-top-color:var(--color-danger);border-radius:50%;width:16px;height:16px;animation:.8s linear infinite parse-spin}@keyframes parse-spin{to{transform:rotate(360deg)}}@media (width<=520px){.file-form-section{grid-template-columns:1fr}.parse-button-container{width:100%}.parse-status{grid-template-columns:auto minmax(0,1fr)}.parse-status small{grid-column:2}}.welcome-page{background:var(--color-page);min-height:100vh;color:var(--color-text)}.simple-header{width:100%;color:var(--color-text);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10;border-bottom:1px solid var(--color-border);background-color:#fffffff0;justify-content:space-between;align-items:center;padding:12px 24px;display:flex;position:fixed;top:0;left:0}.header-left{color:var(--color-text);font-size:1.05rem;font-weight:800;text-decoration:none}.header-actions{align-items:center;gap:10px;display:flex;position:relative}.nav-link{color:var(--color-text);font-weight:700;text-decoration:none}.nav-button{color:#fff;background:var(--color-primary);border-radius:var(--radius);padding:8px 12px;font-weight:800;text-decoration:none}.menu-button{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-text);cursor:pointer;width:44px;height:36px;font-size:1.3rem;display:none}.menu{background-color:var(--color-surface);box-shadow:var(--shadow-soft);border:1px solid var(--color-border);border-radius:var(--radius);z-index:10;padding:6px;position:absolute;top:calc(100% + 8px);right:0;overflow:hidden}.menu-link{color:var(--color-primary);white-space:nowrap;border-radius:6px;padding:10px 16px;text-decoration:none;display:block}.menu-link:hover{background-color:var(--color-surface-muted)}.welcome-hero{grid-template-columns:minmax(0,.95fr) minmax(380px,1.05fr);align-items:center;gap:32px;max-width:1180px;min-height:680px;margin:0 auto;padding:112px 24px 48px;display:grid}.hero-kicker,.panel-kicker{color:var(--color-primary);letter-spacing:0;text-transform:uppercase;margin:0 0 8px;font-size:.78rem;font-weight:900}.hero-copy h1{max-width:680px;color:var(--color-text);margin:0;font-size:3.3rem;line-height:1.04}.hero-copy p{max-width:620px;color:var(--color-muted);margin:18px 0 0;font-size:1.1rem;line-height:1.65}.hero-actions,.buttons{flex-wrap:wrap;gap:10px;margin-top:24px;display:flex}.button{color:#fff;border-radius:var(--radius);background-color:#1f2933;justify-content:center;align-items:center;min-height:44px;padding:11px 16px;font-size:1rem;font-weight:800;text-decoration:none;transition:background-color .2s;display:inline-flex}.button.signup-button{background-color:var(--color-success)}.button.signin-button{background-color:var(--color-surface);color:var(--color-primary);border:1px solid var(--color-border)}.button:hover{background-color:var(--color-primary-hover);color:#fff}.analysis-preview{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-soft);overflow:hidden}.preview-header{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;gap:18px;padding:18px;display:flex}.preview-header h2{margin:0}.preview-readiness{height:82px;color:var(--color-primary);background:#eef6ff;border-radius:50%;flex:0 0 82px;place-items:center;display:grid}.preview-readiness strong{font-size:1.35rem}.preview-readiness span{color:var(--color-muted);margin-top:-20px;font-size:.78rem;font-weight:800}.preview-stats{border-bottom:1px solid var(--color-border);grid-template-columns:repeat(3,1fr);display:grid}.preview-stats div{border-right:1px solid var(--color-border);padding:16px}.preview-stats div:last-child{border-right:0}.preview-stats strong,.preview-stats span{display:block}.preview-stats strong{font-size:1.3rem}.preview-stats span{color:var(--color-muted);font-size:.85rem;font-weight:700}.preview-list{padding:8px 0}.preview-word{border-bottom:1px solid var(--color-border);grid-template-columns:1fr 48px 92px;align-items:center;gap:12px;padding:12px 18px;display:grid}.preview-word:last-child{border-bottom:0}.preview-word span{color:var(--color-primary);font-weight:900}.preview-word small{color:var(--color-muted);font-weight:800}.preview-word em{color:var(--color-danger);text-align:center;background:#fff2e8;border-radius:999px;padding:5px 8px;font-size:.82rem;font-style:normal;font-weight:800}.preview-word em.known{color:var(--color-success);background:#eaf7ee}.workflow-section,.promise-section,.get-started-section{max-width:1080px;margin:0 auto 28px;padding:0 24px}.workflow-section{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.workflow-step{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:22px}.workflow-step span{color:#fff;background:var(--color-primary);border-radius:50%;place-items:center;width:34px;height:34px;font-weight:900;display:inline-grid}.workflow-step h2{margin:18px 0 8px}.workflow-step p{color:var(--color-muted);margin:0;line-height:1.55}.promise-section{grid-template-columns:.8fr 1.2fr;align-items:start;gap:24px;padding-top:24px;display:grid}.promise-section h2{margin:0;font-size:2rem}.promise-section ul{gap:12px;margin:0;padding:0;list-style:none;display:grid}.promise-section li{color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:14px 16px;font-weight:700}.get-started-section{background-color:var(--color-primary);color:#fff;border-radius:var(--radius);text-align:center;padding:36px 24px}.get-started-section h2{color:#fff;margin:0}.get-started-section p{opacity:.9;margin:10px 0 0}.get-started-section .buttons{justify-content:center}.welcome-footer{background-color:var(--color-surface);text-align:center;border-top:1px solid var(--color-border);flex-wrap:wrap;justify-content:space-between;align-items:center;width:100%;padding:18px 24px;display:flex}.footer-left,.footer-right{text-align:center;flex:100%}.footer-right{margin-top:10px}.footer-link{color:var(--color-primary);margin:0 10px;text-decoration:none}.footer-link:hover{text-decoration:underline}.footer-copyright{color:var(--color-muted)}@media (width<=900px){.welcome-hero,.promise-section{grid-template-columns:1fr}.welcome-hero{min-height:0}.workflow-section{grid-template-columns:1fr}}@media (width<=640px){.simple-header{padding:10px 14px}.nav-link,.nav-button{display:none}.menu-button{display:block}.welcome-hero{padding:92px 16px 32px}.hero-copy h1{font-size:2.35rem}.preview-header,.preview-stats,.preview-word{grid-template-columns:1fr}.preview-stats div{border-right:0;border-bottom:1px solid var(--color-border)}.workflow-section,.promise-section,.get-started-section{padding-left:16px;padding-right:16px}.hero-actions,.buttons{flex-direction:column}}.legal-page{min-height:100vh;color:var(--color-text);background:var(--color-page);padding:28px 20px 48px}.legal-nav,.legal-header,.legal-content{width:min(880px,100%);margin-inline:auto}.legal-nav{justify-content:space-between;gap:16px;margin-bottom:28px;display:flex}.legal-nav a{color:var(--color-primary);font-weight:800;text-decoration:none}.legal-nav a:hover{text-decoration:underline}.legal-header{margin-bottom:18px}.legal-header p{color:var(--color-muted);text-transform:uppercase;margin:0 0 8px;font-size:.82rem;font-weight:800}.legal-header h1{margin:0;font-size:clamp(2rem,5vw,3.6rem);line-height:1.05}.legal-header span{color:var(--color-muted);margin-top:12px;font-weight:700;display:block}.legal-content{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-soft);padding:26px;font-size:1rem;line-height:1.7}.legal-content p{margin:0 0 18px}.legal-content p:last-child{margin-bottom:0}.legal-content ul{gap:12px;margin:0 0 18px;padding-left:20px;display:grid}.legal-content li::marker{color:var(--color-primary)}@media (width<=560px){.legal-page{padding:20px 14px 36px}.legal-content{padding:20px}}.terms-content{border-top:4px solid var(--color-primary)}.profile-page{background:var(--color-page);min-height:100vh;padding:36px 16px}.profile-state{color:var(--color-muted);place-items:center;font-weight:700;display:grid}.profile-shell{gap:16px;width:min(980px,100%);margin:0 auto;display:grid}.profile-hero,.anonymous-section,.account-card,.profile-actions{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-soft)}.profile-hero{grid-template-columns:112px 1fr;align-items:center;gap:20px;padding:24px;display:grid}.profile-avatar{color:#fff;background:var(--color-primary);border-radius:50%;place-items:center;width:96px;height:96px;font-size:1.7rem;font-weight:900;display:grid;overflow:hidden}.profile-avatar img{object-fit:cover;width:100%;height:100%}.profile-kicker{color:var(--color-primary);letter-spacing:0;text-transform:uppercase;margin:0 0 6px;font-size:.78rem;font-weight:900}.profile-hero h1,.anonymous-section h2,.account-card h2{color:var(--color-text);margin:0}.profile-hero p,.anonymous-section p{max-width:720px;color:var(--color-muted);margin:8px 0 0;line-height:1.55}.profile-stats{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.profile-stats div{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:16px}.profile-stats strong,.profile-stats span{display:block}.profile-stats strong{color:var(--color-text);font-size:1.25rem}.profile-stats span{color:var(--color-muted);font-weight:700}.anonymous-section{background:linear-gradient(135deg, #eef6ffe0, #eaf7eec7), var(--color-surface);grid-template-columns:1fr minmax(260px,360px);gap:18px;padding:22px;display:grid}.convert-section{gap:10px;display:grid}.convert-input{border:1px solid var(--color-border);border-radius:var(--radius);width:100%;padding:11px 12px}.convert-button{border-radius:var(--radius);cursor:pointer;background-color:var(--color-primary);color:#fff;border:none;width:100%;padding:11px 12px;font-size:16px;font-weight:800}.convert-button:hover{background-color:var(--color-primary-hover)}.convert-button.secondary{color:var(--color-primary);background:var(--color-surface);border:1px solid var(--color-border)}.account-card{padding:22px}.account-card-header{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:18px;display:flex}.provider-chip{color:var(--color-primary);background:#eef6ff;border-radius:999px;padding:6px 10px;font-size:.82rem;font-weight:900}.account-details{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0;display:grid}.account-details div{border:1px solid var(--color-border);border-radius:var(--radius);background:#fbfdff;padding:14px}.account-details dt{color:var(--color-muted);text-transform:uppercase;font-size:.8rem;font-weight:900}.account-details dd{color:var(--color-text);overflow-wrap:anywhere;margin:6px 0 0;font-weight:700}.debug-details{color:var(--color-muted);margin-top:14px}.debug-details summary{cursor:pointer;font-weight:800}.debug-details p{overflow-wrap:anywhere}.profile-actions{gap:10px;padding:14px;display:flex}.profile-button{border:1px solid var(--color-border);border-radius:var(--radius);cursor:pointer;background:var(--color-surface);color:var(--color-text);flex:1;padding:11px 12px;font-size:16px;font-weight:800}.profile-button.primary{color:#fff;background:var(--color-primary);border-color:var(--color-primary)}.profile-button:hover{background-color:var(--color-surface-muted)}.profile-button.primary:hover{background-color:var(--color-primary-hover)}@media (width<=720px){.profile-hero,.anonymous-section,.account-details,.profile-stats{grid-template-columns:1fr}.profile-actions{flex-direction:column}}.edit-profile-page{background:var(--color-page);min-height:100vh;padding:36px 16px}.settings-shell{gap:16px;width:min(980px,100%);margin:0 auto;display:grid}.settings-header,.settings-card,.settings-actions{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-soft)}.settings-header{padding:24px}.settings-kicker{color:var(--color-primary);letter-spacing:0;text-transform:uppercase;margin:0 0 6px;font-size:.78rem;font-weight:900}.settings-header h1,.settings-card h2{color:var(--color-text);margin:0}.settings-header p,.settings-card p{max-width:720px;color:var(--color-muted);margin:8px 0 0;line-height:1.55}.settings-card{grid-template-columns:minmax(240px,.75fr) minmax(300px,1fr);gap:24px;padding:22px;display:grid}.settings-form{gap:10px;display:grid}.settings-form label{color:var(--color-text);font-weight:800}.settings-form input{border-radius:var(--radius);border:1px solid var(--color-border);width:100%;padding:11px 12px;font-size:16px;transition:border-color .2s;display:block}.settings-form input::placeholder{color:#8997a7}.settings-form input:focus{border-color:var(--color-primary);outline:none}.settings-form button,.settings-actions button{border-radius:var(--radius);cursor:pointer;border:none;width:100%;padding:11px 12px;font-size:16px;font-weight:800;transition:background-color .2s;display:block}.update-button{background-color:var(--color-primary);color:#fff}.update-button:hover{background-color:var(--color-primary-hover)}.danger-zone{border-color:#f4c7b7}.danger-zone .settings-kicker{color:var(--color-danger)}.delete-button{background-color:var(--color-danger);color:#fff}.delete-button:hover{background-color:#9a3412}.settings-actions{padding:14px}.cancel-button{background-color:var(--color-surface-muted);color:var(--color-text)}.cancel-button:hover{background-color:#dfe8f1}.message{color:var(--color-danger);border-radius:var(--radius);text-align:center;background:#fff2e8;border:1px solid #fed7aa;margin:0;padding:12px 14px;font-weight:700}@media (width<=720px){.settings-card{grid-template-columns:1fr}}.admin-shell{background:var(--color-page);min-height:100vh}.admin-page{padding:calc(var(--title-bar-height) + 18px) 18px 24px;gap:16px;display:grid}.admin-hero,.admin-panel,.admin-locked{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:0 1px 2px #1f29330a}.admin-hero{justify-content:space-between;align-items:center;gap:18px;padding:22px 24px;display:flex}.admin-hero p{color:var(--color-muted);text-transform:uppercase;margin:0 0 6px;font-size:.78rem;font-weight:800}.admin-hero h2{margin:0}.admin-hero span{max-width:720px;color:var(--color-muted);margin-top:8px;line-height:1.55;display:block}.admin-locked{padding:28px 24px}.admin-locked p{color:var(--color-muted);text-transform:uppercase;margin:0 0 8px;font-size:.78rem;font-weight:800}.admin-locked h2{margin:0}.admin-locked span{max-width:620px;color:var(--color-muted);margin-top:8px;line-height:1.55;display:block}.admin-locked .admin-state{border-radius:var(--radius);margin-top:16px;padding:12px 14px}.admin-unlock-button{color:#fff;background:var(--color-primary);border-radius:var(--radius);cursor:pointer;border:0;min-height:42px;margin-top:18px;padding:0 18px;font-weight:800}.admin-unlock-button:hover{background:var(--color-primary-hover)}.admin-total{border-radius:var(--radius);background:#eef6ff;place-items:center;min-width:112px;min-height:86px;padding:12px;display:grid}.admin-total strong{color:var(--color-primary);font-size:2rem}.admin-total span{color:var(--color-muted);margin:0;font-weight:800}.admin-panel{overflow:hidden}.admin-panel-heading{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex}.admin-panel-heading h3{margin:0}.admin-panel-heading span{color:var(--color-muted);font-weight:800}.admin-state{color:var(--color-muted);padding:24px 16px;font-weight:800}.admin-state.error{color:var(--color-danger);background:#fff7ed}.admin-table-wrap{overflow-x:auto}.admin-table{border-collapse:collapse;width:100%}.admin-table th,.admin-table td{border-bottom:1px solid var(--color-border);text-align:left;vertical-align:middle;padding:12px 16px}.admin-table th{color:var(--color-muted);text-transform:uppercase;background:#fbfdff;font-size:.8rem}.admin-table td{color:var(--color-text);font-weight:700}.admin-table td:first-child{min-width:240px}.admin-table td:first-child strong,.admin-table td:first-child span{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.admin-table td:first-child span{color:var(--color-muted);margin-top:2px;font-size:.88rem}@media (width<=640px){.admin-page{padding:calc(var(--title-bar-height) + 12px) 12px 18px}.admin-hero{flex-direction:column;align-items:flex-start}}.known-words-page{background:var(--color-page);min-height:100vh}.known-words-shell{padding:calc(var(--title-bar-height) + 18px) 18px 24px;flex-direction:column;gap:16px;display:flex}.known-words-hero{color:#fff;background:linear-gradient(135deg, #15803df2, #2367c9db), var(--color-success);border-radius:var(--radius);justify-content:space-between;align-items:center;gap:24px;padding:22px 24px;display:flex}.known-words-kicker{letter-spacing:0;text-transform:uppercase;opacity:.78;margin:0 0 6px;font-size:.78rem;font-weight:800}.known-words-hero h1{margin:0;font-size:2rem}.known-words-hero p{opacity:.92;max-width:760px;margin:8px 0 0;line-height:1.55}.known-words-total{border:2px solid #ffffff8c;border-radius:50%;flex:0 0 112px;place-items:center;width:112px;height:112px;display:grid}.known-words-total span{font-size:1.6rem;font-weight:800}.known-words-total small{color:#ffffffd1;margin-top:-28px;font-weight:800}.word-library{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);flex-direction:column;min-height:min(720px,100vh - 230px);display:flex;overflow:hidden;box-shadow:0 1px 2px #1f29330a}.word-library-toolbar{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex}.word-status-tabs{flex-wrap:wrap;gap:8px;display:flex}.word-status-tabs button,.word-library-pagination button,.word-status-action{min-height:38px;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);cursor:pointer;padding:8px 12px;font-weight:800}.word-status-tabs button.active{color:#fff;background:var(--color-primary);border-color:var(--color-primary)}.word-status-tabs span{opacity:.78;margin-left:4px}.word-library-toolbar input{width:min(320px,100%);min-height:38px;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:8px 12px}.word-library-error{color:var(--color-danger);border-radius:var(--radius);background:#fff7ed;border:1px solid #fed7aa;margin:12px 16px 0;padding:10px 12px;font-weight:800}.word-library-meta{color:var(--color-muted);border-bottom:1px solid var(--color-border);background:#fbfdff;justify-content:space-between;gap:12px;padding:10px 16px;font-size:.88rem;font-weight:800;display:flex}.saved-word-table-wrap{flex:1;min-height:0;overflow:auto}.saved-word-table{border-collapse:collapse;table-layout:fixed;width:100%}.saved-word-table th,.saved-word-table td{border-bottom:1px solid var(--color-border);text-align:left;vertical-align:middle;padding:11px 16px}.saved-word-table th{z-index:1;color:var(--color-muted);text-transform:uppercase;background:#fbfdff;font-size:.78rem;position:sticky;top:0}.saved-word-table th:first-child,.saved-word-table td:first-child{width:52%}.saved-word-table th:nth-child(2),.saved-word-table td:nth-child(2){width:20%}.saved-word-table th:nth-child(3),.saved-word-table td:nth-child(3){width:28%}.saved-word-status{border-radius:var(--radius);align-items:center;min-height:28px;padding:4px 9px;font-size:.84rem;font-weight:800;display:inline-flex}.saved-word-status.known{color:#0f5132;background:#e8f7ee}.saved-word-status.learning{color:#7c2d12;background:#fff1e7}.word-status-action:hover:not(:disabled),.word-library-pagination button:hover:not(:disabled),.word-status-tabs button:hover:not(.active){background:var(--color-surface-muted)}.word-status-action:disabled,.word-library-pagination button:disabled{color:#9aa7b4;cursor:not-allowed}.word-library-pagination{border-top:1px solid var(--color-border);justify-content:flex-end;gap:8px;padding:12px 16px;display:flex}@media (width<=720px){.known-words-hero,.word-library-toolbar,.word-library-meta{flex-direction:column;align-items:stretch}.known-words-total{border-radius:var(--radius);width:100%;height:auto;min-height:82px}.known-words-total small{margin-top:0}.word-library-toolbar input{width:100%}.saved-word-table th,.saved-word-table td{padding:10px 12px}.saved-word-table th:first-child,.saved-word-table td:first-child{width:46%}.saved-word-table th:nth-child(2),.saved-word-table td:nth-child(2){width:24%}.saved-word-table th:nth-child(3),.saved-word-table td:nth-child(3){width:30%}}