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20px;display:grid}.auth-card{background:#fff;border:1px solid #e0e5ed;border-radius:20px;width:min(430px,100%);padding:40px;box-shadow:0 25px 60px #112a4e1a}.auth-brand{color:var(--navy);align-items:center;gap:10px;margin-bottom:26px;display:flex}.auth-brand strong{letter-spacing:.16em;font-size:16px}.auth-card h1{color:var(--navy);margin:0 0 8px;font-size:28px}.auth-card>p{color:#778399;margin:0 0 24px;font-size:13px}.auth-tabs{background:#f2f5f9;border-radius:10px;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:24px;padding:5px;display:grid}.auth-tabs button{color:#657187;cursor:pointer;background:0 0;border:0;border-radius:8px;padding:10px;font-size:13px}.auth-tabs button.active{color:var(--blue);background:#fff;font-weight:700;box-shadow:0 3px 8px #112a4e14}.auth-form{flex-direction:column;gap:16px;display:flex}.auth-submit{background:var(--blue);color:#fff;cursor:pointer;border:0;border-radius:10px;padding:14px;font-size:14px;font-weight:650}.auth-submit:disabled{cursor:not-allowed;background:#a9b8d6}.auth-footer{text-align:center;margin-top:22px}.auth-footer a{color:var(--blue);font-size:12px}.field-hint{color:#98a3b3;margin:-6px 0 0;font-size:11px;line-height:1.6}.region-selects{grid-template-columns:1fr 1fr;gap:9px;display:grid}.region-selects select{color:var(--ink);background:#fbfcfe;border:1px solid #d7dfe9;border-radius:9px;padding:11px 13px;font-size:13px}.user-chip{align-items:center;gap:8px;display:flex}.user-chip .avatar{width:31px;height:31px;font-size:13px}.user-chip .user-name{color:#3f4d64;max-width:none}.author-uid{color:#9aa5b4;margin-left:2px;font-size:10px}.lb-wrap{margin-top:8px}.lb-primary-tabs{background:#eef2f8;border-radius:12px;gap:6px;margin-bottom:18px;padding:5px;display:inline-flex}.lb-primary-tabs button{color:#5c6a82;cursor:pointer;background:0 0;border:0;border-radius:9px;padding:11px 26px;font-size:14px;font-weight:650;transition:background .18s,color .18s,box-shadow .18s}.lb-primary-tabs button:hover{color:var(--blue)}.lb-primary-tabs button.active{color:var(--blue);background:#fff;box-shadow:0 3px 10px #112a4e1a}.lb-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;margin-bottom:12px;display:flex}.lb-secondary-tabs{border-bottom:2px solid #e6ebf2;gap:4px;display:inline-flex}.lb-secondary-tabs button{color:#718096;cursor:pointer;background:0 0;border:0;padding:10px 18px;font-size:13px;font-weight:600;position:relative}.lb-secondary-tabs button:hover{color:var(--blue)}.lb-secondary-tabs button.active{color:var(--blue);font-weight:700}.lb-secondary-tabs button.active:after{content:"";background:var(--blue);border-radius:2px;height:2px;position:absolute;bottom:-2px;left:12px;right:12px}.lb-time-filter{background:#fff;border:1px solid #e0e6ef;border-radius:10px;gap:4px;padding:4px;display:inline-flex}.lb-time-filter button{color:#7a879c;cursor:pointer;background:0 0;border:0;border-radius:7px;padding:7px 14px;font-size:12px;transition:background .16s,color .16s}.lb-time-filter button:hover{color:var(--blue)}.lb-time-filter button.active{color:var(--blue);background:#eef4ff;font-weight:650}.lb-summary{color:#93a0b3;margin:0 0 22px;font-size:12px}.lb-empty{text-align:center;background:#fff;border:1px dashed #d6dfeb;border-radius:16px;flex-direction:column;align-items:center;gap:10px;padding:64px 30px;display:flex}.lb-empty-mark{color:#9db8e8;background:#f0f5ff;border-radius:16px;place-items:center;width:56px;height:56px;font-size:30px;display:grid}.lb-empty strong{color:var(--navy);font-size:17px}.lb-empty p{color:#8b97a9;margin:0;font-size:13px}.lb-empty-cta{background:var(--blue);color:#fff;border-radius:9px;align-items:center;gap:8px;margin-top:10px;padding:11px 18px;font-size:13px;font-weight:650;display:inline-flex}.lb-empty-cta span{margin-left:6px}.lb-top3{grid-template-columns:repeat(3,1fr);align-items:end;gap:18px;margin-bottom:26px;display:grid}.lb-top3:has(>:nth-child(2):last-child){grid-template-columns:repeat(2,1fr)}.lb-top3:has(>:only-child){grid-template-columns:minmax(280px,360px);justify-content:center}.lb-topcard{text-align:center;background:#fff;border:1px solid #e4e9f0;border-radius:18px;flex-direction:column;align-items:center;gap:8px;padding:26px 20px 22px;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;position:relative}.lb-topcard:hover{transform:translateY(-4px);box-shadow:0 16px 34px #112a4e1a}.lb-topcard-badge{flex-direction:column;align-items:center;gap:4px;display:flex}.lb-topcard-badge em{letter-spacing:.12em;color:#8a95a6;font-size:11px;font-style:normal;font-weight:750}.lb-medal,.lb-crown{font-size:26px;line-height:1}.lb-topcard-visual{background:#f0f5ff;border-radius:14px;place-items:center;width:96px;height:96px;margin:4px 0 2px;display:grid;overflow:hidden}.lb-topcard-visual img{object-fit:cover;width:100%;height:100%}.lb-topcard-placeholder{color:#9db8e8;font-size:40px}.lb-topcard-avatar{width:100%;height:100%;color:var(--blue);background:#eaf1ff;place-items:center;font-size:38px;font-weight:750;display:grid}.lb-topcard-name{color:var(--navy);-webkit-line-clamp:2;-webkit-box-orient:vertical;max-width:100%;font-size:15px;font-weight:700;line-height:1.4;display:-webkit-box;overflow:hidden}.lb-topcard-sub{color:#8b97a9;font-size:12px}.lb-topcard-sub em{color:#a5b0c0;font-style:normal}.lb-topcard-count{align-items:baseline;gap:5px;margin-top:4px;display:flex}.lb-topcard-count strong{color:var(--blue);font-size:20px;font-weight:750}.lb-topcard-count em{color:#94a0b2;font-size:11px;font-style:normal}.lb-topcard.is-first{background:linear-gradient(#fffdf6,#fff 55%);border-color:#e8d5a0}.lb-topcard.is-first .lb-topcard-badge em,.lb-topcard.is-first .lb-topcard-count strong{color:#b48a2c}.lb-topcard.rank-2{border-color:#d5dbe4}.lb-topcard.rank-2 .lb-topcard-badge em{color:#7c8799}.lb-topcard.rank-3{border-color:#e5cfb8}.lb-topcard.rank-3 .lb-topcard-badge em,.lb-topcard.rank-3 .lb-topcard-count strong{color:#b07a4a}.lb-list{background:#fff;border:1px solid #e4e9f0;border-radius:16px;margin:0;padding:0;list-style:none;overflow:hidden}.lb-list li{border-bottom:1px solid #eef1f5}.lb-list li:last-child{border:0}.lb-row{cursor:pointer;align-items:center;gap:16px;padding:13px 18px;transition:background .16s,box-shadow .16s;display:flex}.lb-row:hover{box-shadow:inset 3px 0 0 var(--blue);background:#f7faff}.lb-row-rank{text-align:center;color:#98a3b4;font-variant-numeric:tabular-nums;flex-shrink:0;width:30px;font-size:13px;font-weight:750}.lb-row-visual{background:#f0f5ff;border-radius:10px;flex-shrink:0;place-items:center;width:44px;height:44px;display:grid;overflow:hidden}.lb-row-visual img{object-fit:cover;width:100%;height:100%}.lb-row-placeholder{color:#9db8e8;font-size:20px}.lb-row-avatar{width:100%;height:100%;color:var(--blue);background:#eaf1ff;place-items:center;font-size:19px;font-weight:700;display:grid}.lb-row-main{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.lb-row-main strong{color:#35455f;text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.lb-row-main small{color:#98a3b3;text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.lb-row-main small em{color:#aeb8c6;font-style:normal}.lb-row-count{flex-shrink:0;align-items:baseline;gap:5px;display:flex}.lb-row-count strong{color:var(--blue);font-size:15px;font-weight:700}.lb-row-count em{color:#98a3b3;font-size:11px;font-style:normal}.lb-trend{border-radius:6px;flex-shrink:0;padding:2px 7px;font-size:11px;font-weight:650}.lb-trend.up{color:#208b5f;background:#e8f7ef}.lb-trend.down{color:#d07a7a;background:#fbefef}.lb-trend.same{color:#98a3b3;background:#f0f3f8}.lb-trend.new{color:var(--blue);background:#eaf1ff}@media (max-width:1000px){.lb-top3{grid-template-columns:repeat(3,1fr);gap:12px}.lb-topcard{padding:20px 14px 18px}}@media (max-width:680px){.lb-top3{grid-template-columns:1fr;align-items:stretch}:is(.lb-top3:has(>:nth-child(2):last-child),.lb-top3:has(>:only-child)){grid-template-columns:1fr}.lb-toolbar{flex-direction:column;align-items:stretch;gap:12px}.lb-time-filter{align-self:flex-start}.lb-row{gap:11px;padding:12px 14px}.lb-row-rank{width:24px}.lb-row-visual{width:38px;height:38px}}.library-sub-section{margin-top:56px}.library-sub-section .panel-title{justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:16px;display:flex}.library-sub-section .panel-title h2{color:var(--navy);margin:0;font-size:22px}.library-sub-section .panel-title p{color:#8a95a6;margin:0;font-size:12px}.library-sub-section .book-switcher{margin:0 0 22px}.card-cover{object-fit:cover;width:100%;height:100%;display:block}.profile-hero{background:#fff;border:1px solid #e4e9f0;border-radius:18px;align-items:center;gap:22px;margin-bottom:22px;padding:30px 34px;display:flex}.profile-hero .large-avatar{border-radius:18px;width:72px;height:72px;font-size:30px}.profile-id{flex:1;min-width:0}.profile-id h1{color:var(--navy);letter-spacing:-.02em;margin:0 0 5px;font-size:26px}.profile-uid{color:var(--blue);margin:0 0 6px;font-size:13px;font-weight:650}.profile-bio{color:#778399;margin:0;font-size:13px}.profile-stats{grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:30px;display:grid}.profile-stats div{background:#fff;border:1px solid #e4e9f0;border-radius:14px;flex-direction:column;gap:4px;padding:20px;display:flex}.profile-stats strong{color:var(--navy);font-size:24px}.profile-stats span{color:#8a95a6;font-size:12px}.profile-works .results-heading{margin-bottom:18px}.cover-upload{flex-direction:column;align-items:flex-start;gap:10px;display:flex}.cover-placeholder{color:#7d8aa0;cursor:pointer;background:#fbfcfe;border:2px dashed #cbd5e3;border-radius:12px;justify-content:center;align-items:center;padding:26px 32px;font-size:13px;display:inline-flex}.cover-placeholder input{display:none}.cover-preview{object-fit:cover;border:1px solid #e0e5ed;border-radius:10px;width:220px;height:124px}.pagination{flex-wrap:wrap;justify-content:center;align-items:center;gap:7px;margin-top:30px;display:flex}.page-btn{color:#56647a;cursor:pointer;background:#fff;border:1px solid #d5dce6;border-radius:8px;padding:9px 14px;font-size:12px;transition:background .15s,color .15s,border-color .15s}.page-btn:hover:not(:disabled){color:var(--blue);background:#f0f5ff;border-color:#a9c0f0}.page-btn.active{background:var(--blue);color:#fff;border-color:var(--blue);font-weight:700}.page-btn:disabled{opacity:.45;cursor:not-allowed}.problem-image-upload{flex-direction:column;align-items:flex-start;gap:10px;display:flex}.problem-image-placeholder{color:#7d8aa0;cursor:pointer;background:#fbfcfe;border:2px dashed #cbd5e3;border-radius:12px;justify-content:center;align-items:center;padding:26px 32px;font-size:13px;display:inline-flex}.problem-image-placeholder input{display:none}.problem-image-preview{border:1px solid #e0e5ed;border-radius:10px;width:100%;max-width:360px}.problem-image-card{border:1px solid var(--line);background:#fff;border-radius:13px;flex-direction:column;gap:10px;padding:16px;display:flex}.problem-image-card>span{color:#97a2b2;font-size:11px;font-weight:600}.problem-image-card img{border:1px solid #e5eaf1;border-radius:9px;width:100%}.confirm-cover{border-bottom:0!important;padding:0!important;display:block!important}.confirm-cover img{object-fit:cover;border-radius:11px 11px 0 0;width:100%;max-height:220px;display:block}.confirm-problem{flex-direction:column;align-items:flex-start!important;gap:9px!important;padding:13px 16px!important;display:flex!important}.confirm-problem img{border:1px solid #e5eaf1;border-radius:9px;width:100%;max-width:360px}.step-error{color:#b2352e;background:#fdf0ef;border:1px solid #efc4c0;border-radius:8px;margin-top:14px;padding:11px 14px}.card-actions{z-index:3;position:absolute;top:10px;right:10px}.work-manage-card{align-items:center;gap:6px;display:flex}.manage-btn{color:#4a5870;cursor:pointer;background:#fff;border:1px solid #cbd5e3;border-radius:7px;align-items:center;gap:4px;padding:6px 10px;font-size:11px;text-decoration:none;transition:background .15s,color .15s,border-color .15s;display:inline-flex;box-shadow:0 2px 6px #112a4e14}.manage-btn:hover{color:var(--blue);background:#f0f5ff;border-color:#a9c0f0}.manage-btn.danger{color:#c7443d;border-color:#efc4c0}.manage-btn.danger:hover{color:#b2352e;background:#fdf0ef;border-color:#e5a09a}.manage-btn:disabled{opacity:.5;cursor:not-allowed}.work-manage-card .manage-btn{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#fffffff2}.confirm-inline{align-items:center;gap:6px;display:inline-flex}.confirm-inline .manage-btn.danger{color:#fff;background:#c7443d;border-color:#c7443d}.confirm-inline .manage-btn.danger:hover{background:#b2352e}.manage-error{color:#c7443d;font-size:10px}.author-toolbar{background:#f6f9ff;border:1px solid #dbe6f7;border-radius:12px;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;padding:10px 16px;display:flex}.author-toolbar>span{color:#5b6a80;font-size:12px;font-weight:600}.work-manage-bar{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.work-manage-bar .manage-btn{border-radius:8px;padding:8px 14px;font-size:12px}.work-manage-bar .manage-error{width:100%}@media (max-width:680px){.author-toolbar{flex-direction:column;align-items:flex-start;gap:10px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@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}