*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}@supports (-webkit-touch-callout: none){input,textarea,select{font-size:max(16px,1em)}}:root{--color-bg: #ffffff;--color-surface: #f9fafb;--color-border: #e5e7eb;--color-text: #111827;--color-muted: #6b7280;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-danger: #dc2626;--color-success: #16a34a;--color-tab-active: #2563eb;--tab-bar-height: 60px;--safe-area-bottom: env(safe-area-inset-bottom, 0px)}html,body{height:100%;background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}#root{height:100%}.app{display:flex;flex-direction:column;height:100dvh}.app-main{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}.tab-bar{display:flex;border-top:1px solid var(--color-border);background:var(--color-bg);padding-bottom:var(--safe-area-bottom);height:calc(var(--tab-bar-height) + var(--safe-area-bottom));flex-shrink:0}.tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--color-muted);text-decoration:none;font-size:11px;padding:8px 0;transition:color .15s}.tab.tab-active{color:var(--color-tab-active)}.page{padding:20px 16px 32px;max-width:640px;margin:0 auto}.page-title{font-size:24px;font-weight:700;margin-bottom:20px}.section-heading{font-size:14px;font-weight:600;color:var(--color-muted);text-transform:uppercase;letter-spacing:.05em;margin:20px 0 8px}.search-bar{display:flex;align-items:center;gap:8px;border:1px solid var(--color-border);border-radius:10px;padding:0 12px;background:var(--color-surface);margin-bottom:16px}.search-input{flex:1;border:none;background:transparent;padding:12px 0;color:var(--color-text);outline:none;font-size:16px}.icon-btn{background:none;border:none;cursor:pointer;color:var(--color-muted);display:flex;align-items:center;padding:4px}.icon-btn:disabled{opacity:.4}.primary-btn{display:inline-flex;align-items:center;gap:8px;background:var(--color-primary);color:#fff;border:none;border-radius:8px;padding:12px 20px;font-size:15px;font-weight:500;cursor:pointer;margin-top:16px}.primary-btn:hover{background:var(--color-primary-hover)}.link-btn{background:none;border:none;color:var(--color-primary);cursor:pointer;font-size:14px;text-decoration:underline}.danger-btn{background:var(--color-danger);color:#fff;border:none;border-radius:8px;padding:12px 20px;font-size:15px;font-weight:500;cursor:pointer}.back-btn{display:inline-flex;align-items:center;gap:6px;background:none;border:none;color:var(--color-primary);cursor:pointer;font-size:15px;margin-bottom:16px;padding:0}.muted{color:var(--color-muted);font-size:14px}.error{color:var(--color-danger);font-size:14px;margin-top:8px}.definition{font-size:16px;line-height:1.5;margin-bottom:12px}.word-header{display:flex;align-items:baseline;gap:10px;margin-bottom:12px}.filter-btn{font-size:12px;background:var(--color-surface);color:var(--color-muted);border:1px solid var(--color-border);padding:3px 10px;border-radius:99px;cursor:pointer;white-space:nowrap}.filter-btn.active{background:#dbeafe;color:#1d4ed8;border-color:#93c5fd}.pos-badge{font-size:12px;background:#dbeafe;color:#1d4ed8;padding:2px 8px;border-radius:99px;white-space:nowrap}.examples{list-style:none;display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.examples li{font-style:italic;color:var(--color-muted);font-size:14px;padding-left:12px;border-left:3px solid var(--color-border);line-height:1.4}.word-meta{margin-top:24px;border-top:1px solid var(--color-border);padding-top:16px}.meta-row{display:flex;justify-content:space-between;padding:6px 0;font-size:14px}.word-list{list-style:none;display:flex;flex-direction:column}.word-list-item{display:flex;flex-direction:column;gap:2px;padding:14px 0;border-bottom:1px solid var(--color-border);text-decoration:none;color:var(--color-text)}.word-french{font-size:17px;font-weight:500}.word-definition{font-size:13px;color:var(--color-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lookup-result{border:1px solid var(--color-border);border-radius:12px;padding:16px;margin-top:8px}.already-added{display:flex;align-items:center;gap:8px;color:var(--color-success);font-size:14px;margin-bottom:12px}.review-page{display:flex;flex-direction:column}.flashcard{border:1px solid var(--color-border);border-radius:16px;padding:32px 24px;min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;gap:16px;margin:16px 0;-webkit-user-select:none;user-select:none;text-align:center}.flashcard-divider{width:100%;border:none;border-top:1px solid var(--color-border)}.flashcard-word{font-size:36px;font-weight:600}.flashcard-definition{font-size:16px;line-height:1.4}.flashcard-example{font-size:14px;font-style:italic;color:var(--color-muted)}.tap-hint{font-size:13px;color:var(--color-muted)}.review-actions{display:flex;gap:12px}.btn-unknown,.btn-known{flex:1;padding:14px;border:none;border-radius:10px;font-size:15px;font-weight:500;cursor:pointer}.btn-unknown{background:#fee2e2;color:#dc2626}.btn-known{background:#dcfce7;color:#16a34a}.review-header{display:flex;align-items:baseline;justify-content:space-between}.review-progress{font-size:15px}.flashcard-drill{cursor:default;align-items:flex-start;text-align:left;min-height:unset}.drill-hint{font-size:13px;color:var(--color-muted);margin-bottom:4px}.gender-drill-phrases{display:flex;flex-direction:column;gap:10px;width:100%}.gender-drill-phrase{font-size:24px;font-weight:600}.gender-drill-row{display:flex;align-items:baseline;gap:16px}.gender-drill-form{font-size:22px;font-weight:600;min-width:100px;flex-shrink:0}.gender-drill-example{font-size:14px;font-style:italic;color:var(--color-muted);line-height:1.4}.review-done-row{display:flex;justify-content:flex-end;margin-top:4px}.btn-done{padding:12px 24px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;font-size:15px;font-weight:500;cursor:pointer;color:var(--color-text)}.login-page{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;gap:8px}.login-page h1{font-size:36px;font-weight:700;margin-bottom:4px}.login-page form{display:flex;flex-direction:column;gap:12px;width:100%;max-width:320px;margin-top:24px}.login-page input{border:1px solid var(--color-border);border-radius:8px;padding:12px 14px;font-size:16px;background:var(--color-surface);color:var(--color-text);outline:none}.login-page input:focus{border-color:var(--color-primary)}.login-page button[type=submit]{background:var(--color-primary);color:#fff;border:none;border-radius:8px;padding:14px;font-size:16px;font-weight:600;cursor:pointer;margin-top:4px}.login-page button[type=submit]:disabled{opacity:.6}.settings-section{margin-bottom:32px}.settings-section h2{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-muted);margin-bottom:8px}.settings-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--color-border);font-size:15px;cursor:pointer}.settings-row input[type=number]{border:1px solid var(--color-border);border-radius:6px;padding:4px 8px;width:60px;text-align:right;font-size:15px;background:var(--color-surface);color:var(--color-text)}.sync-dot{position:fixed;top:8px;right:8px;width:8px;height:8px;border-radius:50%;z-index:9999;pointer-events:none}.update-prompt{position:fixed;bottom:calc(var(--tab-bar-height) + var(--safe-area-bottom) + 12px);left:50%;transform:translate(-50%);background:#1f2937;color:#fff;padding:12px 16px;border-radius:10px;display:flex;align-items:center;gap:12px;font-size:14px;z-index:9999;white-space:nowrap;box-shadow:0 4px 16px #0003}.update-prompt button{background:#fff;color:#1f2937;border:none;border-radius:6px;padding:6px 12px;font-size:13px;font-weight:600;cursor:pointer}