@keyframes shimmer-brutal{0%{opacity:.5;background-color:var(--color-surface-muted)}50%{opacity:.8;background-color:var(--color-bg-warm)}to{opacity:.5;background-color:var(--color-surface-muted)}}.brutal-skeleton{border:var(--border-width) solid var(--color-ink);border-radius:var(--radius-md);box-shadow:var(--shadow-brutal-sm);animation:1.5s infinite shimmer-brutal}.review-wrapper{width:100%;height:100dvh;min-height:100dvh;padding:max(30px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));background:var(--color-bg);z-index:1000;--review-card-width:min(calc(100vw - 48px), 720px, calc((100dvh - 190px) * .8));flex-direction:column;align-items:center;gap:16px;margin:0 auto;display:flex;position:fixed;top:0;left:0;right:0;overflow:hidden}.review-sync-barrier{width:min(100%, var(--review-card-width));text-align:center;color:var(--text-secondary);border:var(--border-width) solid var(--color-ink);box-shadow:var(--shadow-brutal-sm);background:var(--color-surface);flex-direction:column;gap:4px;padding:10px 14px;font-size:12px;line-height:1.35;display:flex}.review-sync-barrier strong{color:var(--color-ink);font-size:13px}.review-loading-status{width:min(100%, var(--review-card-width));text-align:center;color:var(--text-secondary);flex-direction:column;gap:4px;font-size:12px;line-height:1.35;display:flex}.review-loading-status strong{color:var(--color-ink);font-size:13px}body:has(.review-wrapper){overflow:hidden}.review-empty,.review-completed{text-align:center;background:var(--color-bg);z-index:1000;flex-direction:column;justify-content:center;align-items:center;gap:16px;width:100%;height:100vh;padding:40px;display:flex;position:fixed;top:0;left:0;right:0}.completed-icon{font-size:56px}.review-header{width:100%;max-width:var(--review-card-width);z-index:100;align-items:center;gap:14px;margin:0 auto;padding:0;display:flex}.review-progress{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.progress-bar-container{background:var(--color-surface);border:var(--border-width) solid var(--color-ink);border-radius:var(--radius-full);width:100%;height:11px;overflow:hidden}.progress-bar{background:var(--color-yellow);border-right:var(--border-width) solid var(--color-ink);height:100%;transition:width var(--transition-fast)}@media (prefers-reduced-motion:reduce){.review-wrapper *,.review-wrapper :before,.review-wrapper :after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.progress-text{color:var(--text-secondary);text-align:center;min-width:0;font-size:clamp(12px,1.5vw,15px);font-weight:800;line-height:1.1}.header-left-buttons,.header-right-buttons{flex:0 0 48px;justify-content:center;align-items:center;width:48px;display:flex}.review-header.no-undo .header-left-buttons{display:none}.btn-undo{border:var(--border-width) solid var(--color-ink);border-radius:var(--radius-full);cursor:pointer;background:var(--color-surface);width:46px;height:46px;box-shadow:var(--shadow-brutal-sm);padding:0;font-size:25px;font-weight:800;transition:transform .1s,box-shadow .1s}.btn-undo:hover{box-shadow:var(--shadow-brutal);transform:translate(-1px,-1px)}.btn-undo:disabled{color:var(--color-ink);opacity:1;cursor:default}.btn-undo:disabled:hover{box-shadow:var(--shadow-brutal-sm);transform:none}.btn-close{background:var(--color-coral);border:var(--border-width) solid var(--color-ink);border-radius:var(--radius-full);cursor:pointer;width:46px;height:46px;box-shadow:var(--shadow-brutal-sm);justify-content:center;align-items:center;font-weight:800;display:flex}.perspective-wrapper{width:100%;max-width:var(--review-card-width);perspective:1000px;flex:none;justify-content:center;align-items:center;min-height:0;margin:0 auto;display:flex}.card-container{width:100%;max-width:var(--review-card-width);aspect-ratio:7/10;max-height:calc(100vh - 190px);transform-style:preserve-3d;cursor:pointer;pointer-events:auto;margin:0 auto;transition:transform .6s cubic-bezier(.4,0,.2,1);position:relative}.card-container.flipped{transform:rotateY(180deg)}.review-card-flip-control{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.review-card-flip-control:focus-visible{clip:auto;clip-path:none;border:2px solid var(--color-ink);border-radius:var(--radius-full);background:var(--color-yellow);width:auto;height:auto;color:var(--color-ink);z-index:20;justify-content:center;align-self:center;align-items:center;margin:0 auto 8px;padding:8px 12px;font-weight:800;display:inline-flex;position:relative;overflow:visible}.review-loading-overlay{border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);pointer-events:none;z-index:8;text-align:center;background:#ffffff8a;flex-direction:column;justify-content:center;align-items:center;gap:8px;display:flex;position:absolute;inset:0}.review-loading-next-icon{font-size:28px;line-height:1}.review-loading-text{color:var(--text-primary);font-size:14px;font-weight:800}.is-buffering-next-card{cursor:default}.card-face{backface-visibility:hidden;flex-direction:column;justify-content:space-between;padding:clamp(26px,4vw,44px);transition:transform .5s cubic-bezier(.4,0,.2,1);display:flex;position:absolute;inset:0}@media (max-width:768px){.card-face{padding:18px 20px}}.card-front{transform:rotateY(0)}.card-back{transform:rotateY(180deg)}.card-top{color:var(--text-muted);justify-content:flex-start;align-items:center;width:100%;min-width:0;min-height:24px;font-size:clamp(12px,1.6vw,15px);font-weight:800;display:flex}.source-book{text-overflow:ellipsis;white-space:nowrap;width:100%;min-width:0;display:block;overflow:hidden}.tags-list{gap:6px;display:flex}.tag-badge{background:var(--color-mint);border:2px solid var(--color-ink);border-radius:var(--radius-full);white-space:nowrap;padding:6px 12px;font-size:11px;font-weight:700}.card-middle{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;width:100%;display:flex}.word-text{font-family:var(--font-display);font-size:clamp(2.25rem,6vw,3rem);font-weight:900}.ipa-front{color:var(--text-secondary);margin-top:8px;font-size:1.1rem;font-style:italic}.card-bottom{flex-direction:column;align-items:center;gap:12px;display:flex}.back-content-grid{flex-direction:column;align-items:center;gap:clamp(18px,2.5vh,26px);width:100%;padding:0;display:flex}.back-section{background:0 0;border:0;border-radius:0;width:min(100%,560px);padding:0}.section-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);margin-bottom:6px;font-size:11px;font-weight:700}.section-header{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.btn-icon-small{background:var(--color-yellow);border:1px solid var(--color-ink);cursor:pointer;border-radius:6px;justify-content:center;align-items:center;width:32px;height:32px;font-size:12px;transition:all .15s;display:flex}.btn-icon-small:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 2px 4px #0000001a}.btn-icon-small:active:not(:disabled){transform:translateY(0)}.btn-icon-small:disabled{opacity:.5;cursor:not-allowed}.meaning-section{background:0 0}.meaning-block-compact{text-align:center;width:100%}.meaning-vietnamese-compact{color:var(--text-primary);margin:0;font-size:clamp(16px,1.9vw,20px);font-weight:900;line-height:1.28}.meaning-english-compact{color:#777;margin:14px 0 0;font-size:clamp(15px,1.8vw,19px);font-style:italic;line-height:1.32}.notes-block-compact{background:var(--color-surface-muted);border:1px solid #0d0d0d1a;border-radius:8px;width:100%;padding:8px 12px}.notes-header-compact{justify-content:space-between;align-items:center;margin-bottom:4px;display:flex}.notes-label{color:var(--text-secondary);font-size:12px;font-weight:700}.btn-minimal-compact{cursor:pointer;background:0 0;border:none;padding:2px;font-size:14px;line-height:1}.notes-input-compact{border:1px solid var(--color-ink);border-radius:4px;width:100%;padding:6px 8px;font-family:inherit;font-size:13px}.notes-text-compact{color:var(--text-primary);margin:0;font-size:13px;line-height:1.3}.examples-block-compact{background:var(--color-surface-muted);border:1px solid #0d0d0d1a;border-radius:8px;width:100%;padding:8px 12px}.examples-section{justify-content:center;align-items:center;gap:clamp(8px,1.2vw,14px);display:flex}.examples-section.is-swipeable{touch-action:pan-y;cursor:grab;-webkit-user-select:none;user-select:none}.examples-section.is-swipeable:active{cursor:grabbing}.quote-mark{color:#777787;flex:none;align-self:flex-start;margin-top:0;font-family:Georgia,serif;font-size:clamp(24px,3vw,32px);font-weight:900;line-height:.9}.examples-header-compact{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.examples-label{color:var(--text-secondary);font-size:12px;font-weight:700}.example-item-compact{text-align:center;flex-direction:column;flex:0 auto;justify-content:center;align-items:center;gap:6px;width:fit-content;min-width:0;max-width:100%;display:flex}.example-add-slot{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:8px;min-height:138px;display:flex}.admin-add-example-center{justify-content:center;min-width:138px;margin-inline:auto}.example-add-hint{color:var(--text-muted);text-align:center;margin:0;font-size:12px;line-height:1.35}.ex-en-compact{color:var(--text-primary);text-align:center;width:fit-content;max-width:100%;margin:0;font-size:clamp(15px,1.9vw,19px);font-weight:400;line-height:1.38}.ex-vi-compact{color:var(--text-secondary);text-align:center;margin:0;font-size:clamp(13px,1.6vw,16px);line-height:1.4}.example-carousel-controls{margin-top:0;grid-template-columns:auto minmax(38px,auto) auto;justify-content:center;align-items:center;gap:clamp(12px,2.4vw,20px);min-height:34px;margin-inline:auto;display:grid}.example-carousel-button{border:1.5px solid var(--color-ink);border-radius:var(--radius-full);background:var(--color-surface);width:clamp(30px,4vw,36px);height:clamp(30px,4vw,36px);color:var(--color-ink);cursor:pointer;transition:background-color var(--transition-fast), transform var(--transition-fast);justify-content:center;align-items:center;padding:0;line-height:1;display:inline-flex}.example-carousel-icon{flex:0 0 18px;width:18px;height:18px;display:block}.example-carousel-button:hover{background:var(--color-surface-muted);transform:translateY(-1px)}.example-carousel-button:active{transform:translateY(0)}.example-carousel-button:focus-visible{outline-offset:2px;outline:3px solid #ffd85ab3}.example-carousel-position{color:var(--text-muted);text-align:center;font-variant-numeric:tabular-nums;font-size:clamp(12px,1.6vw,14px);font-weight:800;line-height:1}.example-actions-row{justify-content:center;width:100%}.admin-editable-content{cursor:pointer;transition:background-color var(--transition-fast);border-radius:4px}.admin-editable-content:hover{background:#ffe06642}@keyframes speaker-playing{0%,to{transform:scale(1)rotate(0)}35%{transform:scale(1.08)rotate(-4deg)}70%{transform:scale(1.04)rotate(4deg)}}@keyframes speaker-wave{0%,to{opacity:.25}50%{opacity:1}}.ipa-pronunciation-btn.is-speaking svg,.btn-tts.is-speaking svg{transform-origin:50%;animation:.62s ease-in-out infinite speaker-playing}.ipa-pronunciation-btn.is-speaking svg path,.btn-tts.is-speaking svg path{animation:.62s ease-in-out infinite speaker-wave}.review-edit-modal-backdrop{z-index:3000;background:#0a0a0ad6;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.review-edit-modal{background:var(--color-surface);width:min(100%,560px);padding:22px}.review-edit-modal-header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;display:flex}.review-edit-modal-header h2{font-family:var(--font-display);font-size:20px;line-height:1.2}.review-edit-close{border:2px solid var(--color-ink);border-radius:var(--radius-full);background:var(--color-coral);cursor:pointer;flex:0 0 34px;width:34px;height:34px;font-weight:900}.review-edit-modal textarea{resize:vertical;border:2px solid var(--color-ink);border-radius:var(--radius-sm);background:var(--color-surface);width:100%;min-height:110px;font:inherit;padding:12px;line-height:1.45}.review-edit-example-list{flex-direction:column;gap:14px;display:flex}.review-edit-example-tabs{flex-wrap:nowrap;align-items:center;gap:8px;padding-bottom:2px;display:flex;overflow-x:auto}.review-edit-example-tab{border:2px solid var(--color-ink);border-radius:var(--radius-full);color:var(--color-ink);cursor:pointer;white-space:nowrap;background:#ffffff8c;flex:none;padding:7px 12px;font-size:12px;font-weight:800}.review-edit-example-tab.is-active{background:#ffe0666b}.review-edit-example-add{border:2px dashed var(--color-ink);border-radius:var(--radius-full);width:30px;height:30px;color:var(--color-ink);cursor:pointer;background:#ffe0662e;flex:0 0 30px;justify-content:center;align-items:center;font-size:18px;font-weight:900;line-height:1;display:inline-flex}.review-edit-example-add:hover{background:#ffe0664d}.review-edit-example-item{flex-direction:column;gap:8px;display:flex}.review-edit-example-item-header{color:var(--text-secondary);justify-content:space-between;align-items:center;gap:8px;font-size:12px;font-weight:800;display:flex}.review-edit-example-translation{border:2px solid var(--color-ink);border-radius:var(--radius-sm);background:var(--color-surface);width:100%;font:inherit;padding:10px 12px}.admin-add-inline{border:2px dashed var(--color-ink);border-radius:var(--radius-full);width:fit-content;color:var(--color-ink);cursor:pointer;background:#ffe0662e;padding:6px 12px;font-size:13px;font-weight:800}.admin-add-inline:hover{background:#ffe0664d}.admin-add-example{margin-top:2px}.example-actions-row{flex-wrap:wrap;align-items:center;gap:10px;margin-top:0;display:flex}.review-edit-error{color:#b42318;margin-top:8px;font-size:13px;font-weight:700}.review-edit-actions{justify-content:flex-end;gap:10px;margin-top:16px;display:flex}.review-edit-actions .btn{min-width:88px;padding:9px 14px}.error-text-compact{color:var(--color-error);margin:4px 0 0;font-size:11px}.mobile-swipe-buttons{gap:12px;width:100%;margin-top:16px;display:none}@media (max-width:768px){.mobile-swipe-buttons{justify-content:space-between;display:flex}.btn-swipe-left,.btn-swipe-right{border:2px solid var(--color-ink);cursor:pointer;box-shadow:2px 2px 0 0 var(--color-ink);border-radius:12px;flex:1;justify-content:center;align-items:center;gap:8px;padding:16px;font-size:14px;font-weight:700;transition:all .15s;display:flex}.btn-swipe-left{background:var(--color-coral);color:var(--color-ink)}.btn-swipe-right{background:var(--color-teal);color:var(--color-ink)}.btn-swipe-left:active:not(:disabled),.btn-swipe-right:active:not(:disabled){box-shadow:none;transform:translate(2px,2px)}.btn-swipe-left:disabled,.btn-swipe-right:disabled{opacity:.5;cursor:not-allowed}}.front-actions{justify-content:center;align-items:center;display:flex}.btn-tts{background:var(--color-yellow);border:var(--border-width) solid var(--color-ink);border-radius:var(--radius-full);cursor:pointer;box-shadow:var(--shadow-brutal-sm);justify-content:center;align-items:center;gap:8px;padding:12px;font-size:13px;font-weight:700;display:inline-flex}.tip-text{color:var(--text-muted);font-size:12px;font-weight:600}.swipe-overlay{pointer-events:none;z-index:10;justify-content:center;align-items:center;width:50%;font-size:80px;display:flex;position:absolute;top:0;bottom:0}.swipe-left{background:linear-gradient(90deg,#ff4757e0 0%,#ff6b6b52 58%,#0000 100%);left:0}.swipe-left:after{content:"❌";filter:drop-shadow(0 4px 8px #0003)}.swipe-right{background:linear-gradient(270deg,#23b5a1e6 0%,#5ecfc057 58%,#0000 100%);right:0}.swipe-right:after{content:"✅";filter:drop-shadow(0 4px 8px #0003)}.scrollable-back-content{text-align:left;flex-direction:column;gap:16px;width:100%;margin:16px 0;display:flex}.card-middle{text-align:center;flex-direction:column;flex:1;justify-content:flex-start;align-items:center;gap:12px;padding:12px 0;display:flex;overflow:hidden auto}.card-middle::-webkit-scrollbar{width:6px}.card-middle::-webkit-scrollbar-track{background:0 0}.card-middle::-webkit-scrollbar-thumb{background:var(--color-ink);border-radius:var(--radius-full)}.card-middle-front{justify-content:center;gap:0;padding:0}.word-header-back{border-bottom:0;flex-direction:column;justify-content:center;align-items:center;gap:9px;width:100%;margin-bottom:clamp(18px,2.8vh,28px);padding:0;display:flex}.word-text-back{font-family:var(--font-display);letter-spacing:-.02em;font-size:clamp(30px,4.5vw,42px);font-weight:900;line-height:1}.ipa-pronunciation-btn{border-radius:var(--radius-full);min-width:0;color:var(--color-ink);cursor:pointer;background:#fbf7ee;border:1px solid #0d0d0d14;justify-content:center;align-items:center;gap:7px;padding:6px 14px 7px;font-size:clamp(14px,1.8vw,18px);font-style:italic;font-weight:700;transition:transform .1s,box-shadow .1s;display:inline-flex;box-shadow:0 3px 8px #0d0d0d09,inset 0 0 0 1px #ffffff8c}.ipa-pronunciation-btn:hover{transform:translateY(-1px);box-shadow:0 4px 9px #0d0d0d0b,inset 0 0 0 1px #fff9}.ipa-pronunciation-btn:active{transform:translateY(1px);box-shadow:0 2px 5px #0d0d0d08,inset 0 0 0 1px #ffffff80}.btn-tts-small{background:var(--color-teal);border:2px solid var(--color-ink);border-radius:var(--radius-full);cursor:pointer;width:36px;height:36px;box-shadow:var(--shadow-brutal-sm);justify-content:center;align-items:center;display:flex}.meaning-block,.notes-block,.examples-block{flex-direction:column;gap:8px;display:flex}.meaning-block h3,.notes-block h3,.examples-block h3{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:0;font-size:11px;font-weight:800}.meaning-vietnamese{color:var(--color-ink);font-size:1.35rem;font-weight:800;line-height:1.3}.meaning-english{color:var(--text-secondary);margin-top:4px;font-size:14px;line-height:1.5}.notes-header,.examples-header{justify-content:space-between;align-items:center;gap:8px;display:flex}.btn-minimal{background:var(--color-surface);border:2px solid var(--color-ink);border-radius:var(--radius-sm);cursor:pointer;box-shadow:var(--shadow-brutal-sm);padding:6px 8px;font-size:16px;font-weight:700;line-height:1}.notes-textarea{background:var(--color-surface);border:var(--border-width) solid var(--color-ink);border-radius:var(--radius-md);resize:none;width:100%;padding:10px 12px;font-size:14px;line-height:1.5}.notes-text{color:var(--text-secondary);font-size:14px;line-height:1.5}.muted-text{color:var(--text-muted);font-style:italic}.example-item{background:var(--color-surface-muted);border:2px solid var(--color-ink);border-radius:var(--radius-md);padding:12px 14px;position:relative}.ex-en{color:var(--color-ink);font-size:14px;font-weight:600;line-height:1.5}.ex-vi{color:var(--text-secondary);margin-top:4px;font-size:13px;line-height:1.4}.no-examples-text{color:var(--text-muted);font-size:13px;font-style:italic}.error-text{color:var(--color-ink);background:var(--color-coral);border:2px solid var(--color-ink);border-radius:var(--radius-sm);padding:8px 10px;font-size:12px;font-weight:700}.action-buttons-container.tinder-actions{width:100%;max-width:var(--review-card-width);z-index:10;grid-template-columns:1fr 1fr;gap:clamp(12px,2vw,22px);margin:0;display:grid;position:static;transform:none}.tinder-actions--mobile{display:none}@media (max-width:768px){.tinder-actions--desktop{display:none}.tinder-actions--mobile{z-index:50;gap:12px;padding:0;display:grid;position:static}.srs-btn{min-height:54px;padding:10px 12px}.card-container{height:auto;min-height:unset}}@media (max-width:480px){.tinder-actions--mobile{gap:8px;padding:12px}.srs-btn{min-height:52px;padding:9px 8px}}.action-buttons-container.four-actions{grid-template-columns:1fr 1fr 1fr 1fr;gap:10px;width:100%;display:grid}.srs-btn{border:var(--border-width) solid var(--color-ink);cursor:pointer;box-shadow:var(--shadow-brutal);transition:transform var(--transition-fast), box-shadow var(--transition-fast);font-family:var(--font-display);border-radius:22px;flex-direction:row;justify-content:center;align-items:center;gap:clamp(8px,1.4vw,13px);min-height:clamp(52px,6.5vh,66px);padding:clamp(11px,1.5vw,16px) 16px;font-size:clamp(15px,1.8vw,20px);font-weight:900;display:flex}.srs-btn:active{box-shadow:none;transform:translate(2px,2px)}.action-icon{font-size:16px}.srs-label{font-size:13px}.btn-forgotten{background:var(--color-coral);color:var(--color-ink)}.btn-remembered{background:var(--color-teal);color:var(--color-ink)}.action-icon{margin-bottom:0;font-size:clamp(23px,3vw,31px);line-height:1}.srs-label{font-weight:900;font-size:inherit;line-height:1}.srs-interval{opacity:.8;margin-top:2px;font-size:10px;font-weight:600}.book-detail-wrapper{flex-direction:column;gap:20px;display:flex}.book-detail-header{padding:28px;display:block}.header-meta{flex-direction:column;gap:14px;min-width:0;display:flex}.header-top-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.header-right{align-items:flex-start;display:flex}.header-meta h1,.title-row h1{font-family:var(--font-display);font-size:clamp(1.35rem,3vw,1.75rem);font-weight:900}.title-row{align-items:flex-start;gap:12px;display:flex}.book-toolbar{gap:8px;margin-left:auto;display:flex}.btn-icon{background:var(--color-surface);border:var(--border-width) solid var(--color-ink);border-radius:var(--radius-md);cursor:pointer;width:38px;height:38px;box-shadow:var(--shadow-brutal-sm);font-size:16px}.btn-more-menu{border-radius:var(--radius-md);font-size:20px;font-weight:700;line-height:1}.btn-icon-danger:hover{background:var(--color-coral)}.btn-back{color:var(--text-secondary);cursor:pointer;background:0 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.meaning{color:var(--color-ink);margin:0;font-size:clamp(1rem,2vw,1.18rem);font-weight:400;line-height:1.35}.vocab-meta-line{color:var(--text-secondary);margin:10px 0 0;font-size:clamp(.9rem,1.7vw,1rem);font-weight:500;line-height:1.35}.vocab-actions{flex-shrink:0;align-self:center;align-items:center;gap:12px;display:flex}.srs-status{border:2px solid var(--color-ink);border-radius:var(--radius-full);text-transform:uppercase;white-space:nowrap;padding:6px 12px;font-size:.8rem;font-weight:800}.vocab-list-item .srs-status{text-align:center;text-transform:none;min-width:52px;padding:5px 12px;font-size:.78rem;font-weight:800;line-height:1.1}.delete-btn{border:2px solid var(--color-ink);border-radius:var(--radius-md);background:var(--color-surface);cursor:pointer;justify-content:center;align-items:center;width:36px;height:36px;transition:background .15s;display:flex}.delete-btn:hover{background:var(--color-coral)}.tag-pill{background:var(--color-mint);border:2px solid 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.import-page{gap:var(--space-lg);flex-direction:column;display:flex}.import-hero{background:var(--color-teal);border:var(--border-width) solid var(--color-ink);border-radius:var(--radius-lg);box-shadow:var(--shadow-brutal);justify-content:space-between;align-items:center;gap:24px;padding:30px 34px;display:flex;position:relative;overflow:hidden}.import-hero h1{max-width:690px;font:900 clamp(1.8rem,4vw,2.65rem)/1.05 var(--font-display);letter-spacing:-.035em;margin-top:12px}.import-hero p{max-width:670px;margin-top:12px;font-weight:500}.import-hero-sticker{background:var(--color-yellow);border:var(--border-width) solid var(--color-ink);width:96px;height:96px;box-shadow:var(--shadow-brutal);border-radius:50%;flex:0 0 96px;place-items:center;font-size:44px;display:grid;transform:rotate(7deg)}.import-layout{gap:var(--space-lg);grid-template-columns:minmax(0,1.65fr) 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input{width:19px;height:19px;accent-color:var(--color-teal)}.book-select{width:min(280px,100%)}.word-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.word-card{background:var(--color-surface-muted);border:2px solid var(--color-ink);border-radius:var(--radius-md);opacity:.64;padding:18px 18px 4px 50px;position:relative}.word-card.selected{opacity:1;background:color-mix(in srgb,var(--color-teal) 12%,white)}.word-check{position:absolute;top:29px;left:17px}.word-fields{grid-template-columns:1.2fr .8fr;gap:0 12px;display:grid}.word-fields .wide{grid-column:1/-1}.word-fields textarea{resize:vertical}.result-skeleton{border:2px solid var(--color-ink);border-radius:var(--radius-md);grid-template-columns:1fr 1fr;gap:14px;padding:18px;display:grid}@media (max-width:900px){.import-layout{grid-template-columns:1fr}.import-guide 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cubic-bezier(.4,0,.2,1);display:flex}.flashcard.flipped{transform:rotateY(180deg)}.card-word{font-family:var(--font-display);letter-spacing:-.02em;font-size:clamp(2rem,6vw,2.75rem);font-weight:900}.ipa-text{color:var(--text-secondary);margin-top:8px;font-size:1rem;font-weight:500}.card-meaning{color:var(--color-ink);font-size:1.25rem;font-weight:700}.review-actions{grid-template-columns:1fr 1fr;gap:12px;margin-top:20px;display:grid}.review-btn-forgot{background:var(--color-coral)!important;border-color:var(--color-ink)!important}.review-btn-remember{background:var(--color-teal)!important;border-color:var(--color-ink)!important}.auth-page{min-height:calc(100vh - var(--header-height) - 40px);justify-content:center;align-items:center;padding:2rem 1rem;display:flex}.auth-card{width:100%;max-width:420px;padding:2rem}.auth-card h1{font-family:var(--font-display);margin-bottom:.25rem;font-size:1.75rem;font-weight:900}.auth-sub{color:var(--text-secondary);margin-bottom:1.5rem}.auth-form{flex-direction:column;gap:1rem;display:flex}.auth-form label{flex-direction:column;gap:6px;font-size:13px;font-weight:700;display:flex}.auth-error{color:var(--color-error);font-size:14px;font-weight:600}.auth-success{color:var(--color-teal);font-size:14px;font-weight:600}.auth-footer{text-align:center;color:var(--text-secondary);margin-top:1.25rem;font-size:14px}.auth-footer a{text-underline-offset:3px;font-weight:700;text-decoration:underline}.auth-btn{border-radius:var(--radius-md);border:2px solid var(--color-ink);cursor:pointer;box-shadow:var(--shadow-brutal-sm);padding:8px 14px;font-size:13px;font-weight:700}.auth-btn-login{background:var(--color-yellow);color:var(--color-ink)}.auth-btn-logout{background:var(--color-surface);color:var(--color-ink)}.auth-menu{align-items:center;gap:8px;display:flex}.auth-label{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;max-width:90px;font-size:12px;font-weight:600;overflow:hidden}.neo-back-btn{background:var(--color-coral);border:var(--border-width) solid var(--color-ink);border-radius:var(--radius-full);width:44px;height:44px;box-shadow:var(--shadow-brutal-sm);cursor:pointer;justify-content:center;align-items:center;font-size:18px;display:inline-flex}.neo-progress{background:var(--color-surface);border:var(--border-width) solid var(--color-ink);border-radius:var(--radius-full);height:12px;overflow:hidden}.neo-progress-fill{background:var(--color-yellow);border-right:var(--border-width) solid var(--color-ink);height:100%;transition:width .3s}@media (max-width:900px){.stats-grid{grid-template-columns:1fr}}@media (max-width:768px){.welcome-banner{flex-direction:column;align-items:flex-start;padding:24px}.banner-content{width:100%}.banner-actions{flex-direction:column;align-items:stretch;width:100%}.banner-actions .btn,.banner-actions button{text-align:center;justify-content:center;width:100%;max-width:none;display:flex;margin-right:0!important}.form-row{flex-direction:column}}@media (max-width:480px){.weekly-card{padding:18px!important}.weekly-metrics{gap:8px}.weekly-metric{padding:4px 8px;font-size:12px}.week-tracker{padding:0}}.auth-slider-container{display:block}@media (max-width:768px){.auth-slider-container{display:none!important}.auth-split-grid{grid-template-columns:1fr!important}}