:root{--bg:#f7faf8;--panel:#ffffff;--panel-soft:#eef7f4;--text:#14211f;--muted:#60716d;--border:#dbe7e2;--accent:#0f766e;--accent-strong:#0b5f59;--danger:#b42318;--warning:#9a6700;--ok:#1a7f37;--shadow:0 14px 34px rgba(20,33,31,0.08)}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;letter-spacing:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(420px,100%);background:var(--panel);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);padding:28px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px}.brand-mark{width:40px;height:40px;border-radius:8px;display:grid;place-items:center;background:var(--accent);color:white;font-weight:900}.auth-card h1,.page-title h1{margin:18px 0 6px;font-size:28px;line-height:1.15}.muted{color:var(--muted)}.app-shell{min-height:100vh;display:grid;grid-template-columns:260px 1fr}.sidebar{background:#102421;color:#e7f3ef;padding:22px 16px;display:flex;flex-direction:column;gap:22px}.sidebar .brand-mark{background:#d7ffef;color:#0b5f59}.nav{display:grid;gap:6px}.nav-link{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:8px;color:#d8e9e4}.nav-link.active,.nav-link:hover{background:rgba(255,255,255,.1);color:white}.shell-footer{margin-top:auto;display:grid;gap:10px}.user-chip{padding:12px;border-radius:8px;background:rgba(255,255,255,.08)}.content{min-width:0;padding:28px}.feedback-fab{position:fixed;right:22px;bottom:22px;z-index:20;min-height:46px;display:inline-flex;align-items:center;gap:8px;padding:0 16px;border:1px solid #b9d9d0;border-radius:8px;background:#d7ffef;color:var(--accent-strong);box-shadow:0 12px 28px rgba(15,118,110,.18);font-weight:900}.feedback-fab:hover{background:#c7f8e6}.feedback-modal-backdrop{position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:18px;background:rgba(16,36,33,.34)}.feedback-modal{width:min(560px,100%);display:grid;gap:14px;padding:20px;border:1px solid var(--border);border-radius:8px;background:white;box-shadow:0 22px 52px rgba(20,33,31,.2)}.feedback-modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.feedback-modal h2{margin:0 0 4px;font-size:22px}.feedback-modal p{margin:0}.icon-button{width:38px;height:38px;display:inline-grid;place-items:center;border:1px solid var(--border);border-radius:8px;background:white;color:var(--text)}.icon-button:hover{background:var(--panel-soft)}.page{max-width:1160px;margin:0 auto}.page-title{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:22px}.grid{display:grid;gap:16px}.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.two-col{grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);align-items:start}.card,.detail-panel,.stat-card,.table-wrap,.toolbar{background:var(--panel);border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 24px rgba(20,33,31,.05)}.card,.detail-panel,.stat-card{padding:18px}.stat-link{display:block;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}.stat-link:focus-visible,.stat-link:hover{border-color:#9ccfc4;box-shadow:0 12px 28px rgba(15,118,110,.12);transform:translateY(-1px)}.stat-link:focus-visible{outline:3px solid rgba(15,118,110,.18);outline-offset:2px}.stat-card strong{display:block;font-size:30px;line-height:1;margin-top:10px}.stat-card span{color:var(--muted);font-size:14px}.toolbar{padding:14px;display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.form{display:grid;gap:14px;align-content:start}.field{display:grid;gap:7px}.field label{color:#304541;font-weight:700;font-size:14px}.input,.select,.textarea{width:100%;border:1px solid var(--border);border-radius:8px;background:white;color:var(--text);padding:11px 12px;outline:none}.textarea{resize:vertical;min-height:150px}.add-textarea{min-height:120px}.input:focus,.select:focus,.textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(15,118,110,.12)}.button{min-height:42px;border:1px solid transparent;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 14px;background:var(--accent);color:white;font-weight:800}.button:hover{background:var(--accent-strong)}.button.secondary{background:white;color:var(--text);border-color:var(--border)}.button.secondary:hover{background:var(--panel-soft)}.button.secondary.danger-action{color:var(--danger);border-color:#f2b6ad}.button.secondary.danger-action:hover{background:#fff1ef}.button.danger{background:var(--danger)}.button.ghost{background:transparent;color:inherit;border-color:transparent}.button:disabled{opacity:.55;cursor:not-allowed}.button-row{gap:10px}.button-row,.word-actions{display:flex;flex-wrap:wrap;align-items:center}.word-actions{justify-content:flex-end;gap:8px}.message{padding:12px 14px;border-radius:8px;border:1px solid var(--border);background:var(--panel-soft)}.message.error{border-color:#ffd0c9;background:#fff1ef;color:var(--danger)}.message.ok{border-color:#c9ead4;background:#eefbf2;color:var(--ok)}.table-wrap{overflow-x:auto}.table{width:100%;border-collapse:collapse;min-width:780px}.table td,.table th{padding:13px 14px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.table th{color:var(--muted);font-size:13px;font-weight:800;background:#fbfdfc}.word{font-weight:900;color:#102421}.badge{display:inline-flex;align-items:center;min-height:24px;padding:0 8px;border-radius:999px;background:var(--panel-soft);color:#21443f;border:1px solid var(--border);font-size:12px;font-weight:800}.badge.warn{background:#fff7db;color:var(--warning);border-color:#f2d680}.badge.ok{background:#eaf8ef;color:var(--ok);border-color:#bfe5cc}.preview-list{display:grid;gap:12px}.preview-item{display:grid;gap:10px;padding:14px;border-radius:8px;border:1px solid var(--border);background:#fbfdfc}.preview-item.compact{grid-template-columns:auto minmax(0,1fr) auto;align-items:start;gap:12px;padding:12px}.preview-item.no-selector{grid-template-columns:minmax(0,1fr) auto}.preview-item.selected{border-color:#9ccfc4;background:#f4fbf8}.preview-check{display:inline-flex;align-items:center;gap:7px;min-width:78px;min-height:36px;padding:0 9px;border-radius:8px;border:1px solid var(--border);background:white;color:var(--muted);font-size:14px;font-weight:900;cursor:pointer}.preview-check input{width:18px;height:18px;margin:0;accent-color:var(--accent);flex:0 0 auto}.preview-check.selected{border-color:var(--accent);background:#eef7f4;color:var(--accent)}.preview-check.locked{cursor:not-allowed;opacity:.75}.preview-main{min-width:0;display:grid;gap:6px}.preview-heading,.preview-meta{display:flex;align-items:center;flex-wrap:wrap;gap:6px}.preview-example,.preview-meaning{line-height:1.45;overflow-wrap:anywhere}.preview-meaning{font-weight:700}.preview-example{color:var(--muted);display:-webkit-box;font-size:14px;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.preview-meta span{min-height:24px;padding:2px 8px;border-radius:999px;border:1px solid var(--border);background:white;color:var(--muted);font-size:12px;font-weight:800}.preview-detail-link{align-self:start;min-height:32px;padding:0 9px;white-space:nowrap}.translation-panel{display:grid;gap:8px;padding:12px;border-radius:8px;border:1px solid #cfe5dd;background:#eef7f4}.translation-panel>span{color:var(--muted);font-size:12px;font-weight:800}.translation-panel p{margin:0;line-height:1.55}.extraction-choice-list{display:flex;flex-wrap:wrap;gap:8px}.extraction-choice{display:inline-flex;align-items:center;gap:7px;min-height:36px;padding:0 10px;border-radius:999px;border:1px solid var(--border);background:white;color:#21443f;font-weight:900;cursor:pointer}.extraction-choice input{width:17px;height:17px;margin:0;accent-color:var(--accent);flex:0 0 auto}.extraction-choice small{color:var(--muted);font-size:12px;font-weight:800}.extraction-choice.selected{border-color:var(--accent);background:#eaf8ef;color:var(--accent)}.extraction-choice.locked{cursor:not-allowed;opacity:.75}.word-chip-list{display:flex;flex-wrap:wrap;gap:6px}.reading-textarea{min-height:260px}.reading-empty{margin-top:16px}.reading-result{display:grid;gap:16px;margin-top:16px}.reading-section{display:grid;gap:14px}.reading-section h2{margin:0}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.reading-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.breakdown-item,.practice-list>div,.reading-columns>div{min-width:0;padding:12px;border-radius:8px;border:1px solid var(--border);background:#fbfdfc}.section-label{display:block;margin-bottom:6px;color:var(--muted);font-size:12px;font-weight:800}.breakdown-item p,.reading-columns p{margin:0;line-height:1.6}.breakdown-list,.practice-list,.step-list{display:grid;gap:10px}.step-list div{display:flex;gap:10px;align-items:flex-start;color:#304541;line-height:1.45}.step-list svg{flex:0 0 auto;color:var(--accent);margin-top:2px}.word-table{display:grid;border:1px solid var(--border);border-radius:8px;overflow:hidden}.word-row{display:grid;grid-template-columns:minmax(150px,1fr) minmax(120px,.8fr) auto auto;gap:10px;align-items:center;padding:12px;border-bottom:1px solid var(--border);background:#fbfdfc}.word-row:last-child{border-bottom:0}.breakdown-item strong,.practice-list strong,.word-row strong{display:block;overflow-wrap:anywhere}.practice-list span,.word-row span{display:block;color:var(--muted);line-height:1.45}.button.compact{min-height:34px;padding:0 10px}.core-line{padding:10px;border-radius:8px;background:#eef7f4;border:1px solid #cfe5dd;font-weight:800}.chunk-list{display:flex;flex-wrap:wrap;gap:8px}.chunk-list span{padding:8px 10px;border-radius:8px;background:white;border:1px solid var(--border);color:#304541;font-size:13px}.pronunciation-panel{display:grid;gap:10px;padding:12px;border-radius:8px;background:#eef7f4;border:1px solid #cfe5dd}.pronunciation-summary{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:8px}.pronunciation-summary>div{min-width:0;padding:10px;border-radius:8px;background:white;border:1px solid var(--border)}.pronunciation-summary>div>span{display:block;color:var(--muted);font-size:12px;font-weight:800;margin-bottom:4px}.pronunciation-word{font-size:24px;font-weight:900;overflow-wrap:anywhere}.vowel-letter{color:var(--accent);text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:5px}.pronunciation-callout{display:block;font-size:24px;line-height:1.2;overflow-wrap:anywhere}.muted-callout{color:var(--muted);font-size:18px}.pronunciation-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.pronunciation-grid>div,.pronunciation-note{min-width:0;padding:10px;border-radius:8px;background:white;border:1px solid var(--border)}.pronunciation-grid>div>span,.pronunciation-note>span{display:block;color:var(--muted);font-size:12px;font-weight:800;margin-bottom:4px}.pronunciation-grid strong{display:block;overflow-wrap:anywhere}.syllable-cell{grid-column:1/-1}.syllable-list{display:flex;flex-wrap:wrap;gap:6px}.syllable-chip{display:inline-flex;align-items:center;min-height:30px;padding:0 8px;border-radius:8px;background:#eef7f4;border:1px solid #cfe5dd}.syllable-chip.stressed{background:var(--accent);border-color:var(--accent);color:white}.pronunciation-note p{margin:0;line-height:1.55}.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.detail-cell{padding:13px;border:1px solid var(--border);border-radius:8px;background:#fbfdfc}.detail-cell span{display:block;color:var(--muted);font-size:12px;font-weight:800;margin-bottom:5px;text-transform:uppercase}.review-card{min-height:360px;display:grid;align-content:center;gap:18px}.review-result{display:grid;gap:10px;padding:13px;border-radius:8px;border:1px solid var(--border);background:#fbfdfc}.review-result.ok{border-color:#bfe5cc;background:#eefbf2}.review-result.wrong{border-color:#f2d680;background:#fff9e8}.review-result span{display:block;color:var(--muted);font-size:12px;font-weight:800;margin-bottom:4px}.review-result p{margin:0;line-height:1.55}.review-extra,.spelling-check{display:grid;justify-items:start;gap:10px}.spelling-check{padding-top:4px}.spelling-check .field{width:min(360px,100%)}.practice-check{display:grid;justify-items:start;gap:10px;padding:12px;border-radius:8px;border:1px solid var(--border);background:rgba(255,255,255,.58)}.practice-check .field,.sentence-practice{width:min(520px,100%)}.practice-textarea{min-height:88px}.idea-helper{width:min(620px,100%);display:grid;justify-items:start;gap:10px;padding:12px;border-radius:8px;border:1px solid #cfe5dd;background:#f4fbf8}.idea-textarea{min-height:76px}.idea-suggestion{width:100%;display:grid;gap:7px;padding:10px;border-radius:8px;border:1px solid var(--border);background:white}.idea-suggestion small,.idea-suggestion span{color:var(--muted);font-size:12px;font-weight:800}.idea-suggestion p{margin:0;line-height:1.45;font-weight:800}.practice-feedback{width:min(620px,100%);display:grid;gap:8px;padding:12px;border-radius:8px;border:1px solid var(--border);background:white}.practice-feedback.ok{border-color:#bfe5cc;background:#f4fbf6}.practice-feedback.wrong{border-color:#f2d680;background:#fffdf2}.practice-feedback p{margin:0;line-height:1.5}.practice-error{width:min(620px,100%);padding:10px 12px;border:1px solid #f2b6ad;border-radius:8px;background:#fff1ef;color:var(--danger);line-height:1.45}.practice-error,.spelling-feedback{margin:0;font-weight:800}.spelling-feedback.ok{color:var(--ok)}.spelling-feedback.wrong{color:var(--danger)}.review-empty{display:grid;justify-items:start;gap:12px}.review-empty p{margin:0}.test-summary{display:grid;gap:16px}.test-summary h2{margin:10px 0 0;font-size:26px}.summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.review-word{font-size:44px;font-weight:900;line-height:1.05}.word-heading{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.audio-button{min-height:40px;display:inline-flex;align-items:center;gap:7px;padding:0 12px;border-radius:8px;border:1px solid #b9d9d0;background:#f3fbf8;color:var(--accent-strong);font-weight:900}.audio-button:hover:not(:disabled){background:#e4f6f0}.audio-button:disabled{cursor:not-allowed;opacity:.52}.segmented{display:inline-grid;grid-auto-flow:column;border:1px solid var(--border);border-radius:8px;overflow:hidden;background:white}.segmented button{border:0;padding:10px 14px;background:transparent;color:var(--muted);font-weight:800}.segmented button.active{background:var(--accent);color:white}.empty{padding:28px;border:1px dashed var(--border);border-radius:8px;color:var(--muted);background:rgba(255,255,255,.6)}@media (max-width:920px){.app-shell{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:5;padding:12px}.shell-footer,.sidebar .brand{display:none}.nav{display:flex;overflow-x:auto;gap:4px}.nav-link{flex:0 0 auto;min-height:44px}.content{padding:18px}.detail-grid,.pronunciation-grid,.pronunciation-summary,.reading-columns,.stats-grid,.summary-grid,.two-col,.word-row{grid-template-columns:1fr}.word-row{align-items:stretch}.preview-item.compact{grid-template-columns:1fr}.preview-check,.preview-detail-link{width:100%;justify-content:center}.page-title{display:grid}.review-word{font-size:34px}.audio-button{min-height:38px}.feedback-fab{right:14px;bottom:14px}}