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0}.page-heading{margin-bottom:23px}h1{font-size:25px}.hero{min-height:280px}.hero-copy{width:85%;padding:25px}.hero h2{max-width:270px;font-size:28px}.hero p{max-width:240px}.hero-art{opacity:.35;width:40%}.hero-character{top:94px;right:-12px}.hero-label{font-size:9px}.metrics{gap:10px;margin-bottom:27px}.metric{gap:9px;padding:16px 12px}.metric strong{font-size:25px}.metric p{font-size:9px}.metric-icon{padding:9px}.metric small{font-size:12px}.metric-icon svg{width:18px}.hero .btn{font-size:11px}.hero-caption,.seal{display:none}.exercise{padding:22px 16px}.exercise form{flex-direction:column}.tabs{gap:4px}.tabs .btn{flex:1;padding:10px 9px;font-size:11px}.question{margin:30px 0;font-size:58px}.choices{gap:8px}.choices .btn{font-size:13px}.sentence{font-size:27px}.word-image{height:180px}.flash-content{padding:25px 15px}.card-actions{gap:5px}.card-actions .btn{padding:10px 12px;font-size:11px}.settings-panel,.import-panel,.local-info{padding:20px}.setting-row{gap:10px;font-size:12px}.setting-row select{min-width:125px}.setting-row label{max-width:50%}.history{padding:20px 15px}.history-row{grid-template-columns:.6fr 1fr 1.3fr;gap:8px}.history-row time{text-align:left;grid-column:2/4;font-size:10px}.history-row .hanzi{font-size:20px}.history-row span{font-size:11px}footer{gap:5px;font-size:8px}.footnote{font-size:10px}.settings-panel input{width:90px}}@media(prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.lesson-selector{margin-bottom:24px;padding:16px 20px}.lesson-selector summary{cursor:pointer;font-weight:600}.lesson-selector .actions{gap:20px;margin:16px 0}.lesson-selector button{color:var(--primary);cursor:pointer}.lesson-options{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;display:grid}.lesson-options label{cursor:pointer;align-items:center;gap:10px;display:flex}.lesson-options input{width:18px;height:18px;accent-color:var(--primary)}.lesson-options small,.source-note{font-size:12px}.btn{white-space:normal;min-height:44px}.actions{gap:var(--space-2);flex-wrap:wrap}main{padding-bottom:var(--space-5);min-width:0}.panel,.metric,.stats-grid>*,.dashboard-bottom>*{min-width:0}.session-panel{max-width:720px;margin:0 auto var(--space-4);padding:var(--space-4);align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.session-panel>h1,.session-panel>p{flex-basis:100%;margin:0}.session-panel>h1{margin-bottom:var(--space-1)}.session-panel .btn{max-width:100%}.settings-panel{padding:var(--space-4)}.settings-panel>h2{margin:0 0 var(--space-2)}.setting-row{gap:var(--space-4);padding:var(--space-3) 0}.setting-row>label{flex:1;min-width:0}.setting-row select{width:min(50%,280px);min-width:0}.settings-panel>p{margin:var(--space-4) 0 var(--space-3)}.settings-panel>.btn{margin-top:var(--space-2);margin-bottom:var(--space-1)}.settings-panel>.actions{margin-top:var(--space-4);justify-content:flex-start}.empty>.btn{margin:var(--space-1)}.card-actions,.center{justify-content:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.rating-section{max-width:800px;margin:var(--space-4) auto}.rating-section .card-actions{grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.rating-help{margin-top:var(--space-2)}.rating-help-content{background:var(--soft);color:var(--text);border:1px solid var(--line);padding:var(--space-3);border-radius:10px}.rating-help-content p{margin:0 0 var(--space-1);font-size:13px;line-height:1.6}.rating-help-content p:last-child{margin-bottom:0}input::placeholder{color:var(--muted);opacity:1}input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--primary);outline-offset:3px}.book-label{background:var(--soft);color:var(--primary)}.brand-mark{background:var(--button-bg);color:var(--button-text)}.flashcard,.history-row,.choices .btn{overflow-wrap:anywhere}@media(max-width:640px){.setting-row{align-items:stretch;gap:var(--space-2);flex-direction:column}.setting-row label{max-width:none}.setting-row select{width:100%;min-width:0}.session-panel{padding:var(--space-4)}.session-panel .btn{flex:180px}.rating-section .card-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.settings-panel{padding:var(--space-3)}.settings-panel>.btn{width:100%}.exercise form{flex-wrap:wrap}.exercise form input{flex-basis:100%}.exercise form .btn{width:100%}.page-heading{gap:var(--space-3);flex-wrap:wrap}.question{margin:var(--space-3) 0;font-size:clamp(36px,12vw,64px)}.history-row{gap:var(--space-1)}}select,input,.btn-outline{border-color:var(--control-line)}.auth-panel .actions{flex-wrap:wrap}.auth-form{gap:12px;max-width:440px;margin-top:20px;display:grid}.auth-form label{font-size:14px}.auth-form input{width:100%;min-width:0;min-height:44px;font-size:16px}.auth-form .btn{min-height:44px;margin-top:8px}.auth-form small,.auth-panel p{color:var(--muted)}.auth-panel .account-email{color:var(--text);overflow-wrap:anywhere}.auth-panel .btn{min-height:44px}.auth-notice{z-index:10;background:var(--panel);border-bottom:1px solid var(--line);text-align:center;margin:0;padding:12px 20px;position:relative}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}