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48px}.acct-page-title{font-size:1.35rem;font-weight:700;color:var(--plt-ink);margin:0 0 22px}.account-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:60vh;color:var(--plt-ink2)}.loading-spinner{width:34px;height:34px;border:3px solid var(--plt-line2);border-top-color:var(--plt-accent);border-radius:50%;animation:acct-spin .8s linear infinite}@keyframes acct-spin{to{transform:rotate(360deg)}}.acct-profile{display:flex;align-items:center;gap:18px;margin-bottom:22px}.acct-avatar{width:62px;height:62px;border-radius:16px;display:grid;place-items:center;background:var(--plt-grad);color:#fff;font-size:1.6rem;font-weight:700;box-shadow:0 8px 22px #5b5bd64d;flex-shrink:0}.acct-profile-info{display:flex;flex-direction:column;gap:5px;min-width:0}.acct-name-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.acct-name{font-size:1.3rem;font-weight:700;color:var(--plt-ink)}.acct-role-badge{font-size:.72rem;font-weight:600;padding:3px 10px;border-radius:100px;background:var(--plt-soft);border:1px solid var(--plt-softln);color:var(--plt-accent)}.acct-edit-btn{background:none;border:none;color:var(--plt-ink3);font-family:var(--font-sans);font-size:.82rem;cursor:pointer;padding:0;transition:color .14s ease}.acct-edit-btn:hover{color:var(--plt-accent)}.acct-nick-ok{font-size:.78rem;color:var(--plt-good)}.acct-email{font-size:.86rem;color:var(--plt-ink3)}.acct-nick-edit{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.acct-nick-input{padding:8px 12px;border-radius:9px;border:1px solid var(--plt-line2);background:var(--plt-panel);color:var(--plt-ink);font-family:var(--font-sans);font-size:.9rem}.acct-nick-input:focus{outline:none;border-color:var(--plt-accent);box-shadow:0 0 0 3px var(--plt-soft)}.acct-nick-save,.acct-nick-cancel{padding:8px 14px;border-radius:9px;font-family:var(--font-sans);font-size:.82rem;font-weight:600;cursor:pointer;border:1px solid transparent}.acct-nick-save{background:var(--plt-grad);color:#fff;border:none}.acct-nick-save:disabled{opacity:.5;cursor:not-allowed}.acct-nick-cancel{background:var(--plt-panel);border-color:var(--plt-line2);color:var(--plt-ink2)}.acct-nick-error{font-size:.78rem;color:var(--color-error, #DC2626);width:100%}.acct-stats{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:18px;margin-bottom:22px}.acct-card{background:var(--plt-panel);border:1px solid var(--plt-line);border-radius:16px;box-shadow:var(--plt-shadow);padding:22px 24px}.acct-card-label{display:block;font-size:.82rem;color:var(--plt-ink3)}.acct-card-big{display:block;font-size:1.7rem;font-weight:700;letter-spacing:-.01em;color:var(--plt-ink);margin-top:8px}.acct-card-sub{display:block;font-size:.8rem;color:var(--plt-ink3);margin-top:6px}.acct-card-credits{position:relative;overflow:hidden;background:var(--plt-grad);border:none;color:#fff}.acct-card-credits .acct-card-label{color:#ffffffd9}.acct-credits-value{display:block;font-size:2.6rem;font-weight:700;letter-spacing:-.02em;margin:6px 0 16px;color:#fff}.acct-credits--danger{color:#ffd7d7}.acct-credits--warning{color:#ffefc7}.acct-buy-btn{padding:9px 18px;border-radius:10px;border:none;background:#fff;color:var(--plt-accent2);font-family:var(--font-sans);font-size:.86rem;font-weight:700;cursor:pointer;transition:transform .14s ease}.acct-buy-btn:hover{transform:translateY(-1px)}.acct-history{padding:0;overflow:hidden}.acct-history-head{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--plt-line)}.acct-history-head h3{font-size:1.05rem;font-weight:700;margin:0;color:var(--plt-ink)}.acct-pager{display:flex;gap:8px}.acct-pager-btn{width:30px;height:30px;border-radius:8px;border:1px solid var(--plt-line2);background:var(--plt-panel);color:var(--plt-ink2);font-size:1rem;cursor:pointer;transition:border-color .14s ease,color .14s 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transparent}.acct-tx-type--consume{color:#e0533c;background:#e0533c1a;border-color:#e0533c4d}.acct-tx-type--grant{color:var(--plt-good);background:var(--plt-goodbg);border-color:var(--plt-good)}.acct-tx-type--purchase{color:var(--plt-blue);background:var(--plt-bluebg);border-color:var(--plt-blue)}.acct-tx-neg{color:#e0533c;font-family:var(--font-mono);font-weight:600}.acct-tx-pos{color:var(--plt-good);font-family:var(--font-mono);font-weight:600}.acct-tx-reason{color:var(--plt-ink2)}.acct-history-foot{padding:14px 24px;text-align:center;font-size:.8rem;color:var(--plt-ink3)}.account-modal-overlay{position:fixed;inset:0;background:#0a0a1280;display:grid;place-items:center;z-index:1000;padding:20px}.account-modal{width:100%;max-width:420px;background:var(--plt-panel);border:1px solid var(--plt-line2);border-radius:18px;box-shadow:var(--plt-shadow);padding:28px}.account-modal h3{font-size:1.2rem;font-weight:700;margin:0 0 10px;color:var(--plt-ink)}.account-modal p{font-size:.9rem;color:var(--plt-ink2);margin:0 0 8px;line-height:1.6}.account-modal-contact a{color:var(--plt-accent);text-decoration:none;font-weight:600}.account-modal-close{margin-top:16px;width:100%;padding:12px;border:none;border-radius:11px;background:var(--plt-grad);color:#fff;font-family:var(--font-sans);font-size:.95rem;font-weight:700;cursor:pointer}@media(max-width:820px){.acct-stats{grid-template-columns:1fr 1fr}.acct-card-credits{grid-column:1 / -1}.acct-table th:nth-child(4),.acct-table td:nth-child(4){display:none}}@media(max-width:640px){.acct-stats{gap:12px}.acct-card{padding:16px}.acct-card-big{font-size:1.4rem}}.main-content.paper-lesson-content{overflow-y:auto;overflow-x:hidden;display:flex!important;flex-direction:column!important}.main-content.paper-lesson-content>*{overflow:visible;max-height:none;flex:1;width:100%}.paper-lesson-list-container{padding:24px 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.lower-canvas{position:relative!important;pointer-events:none!important;visibility:visible!important}.poster-canvas-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--plt-ink2);font-size:16px;background:#fffffff2;z-index:10}.poster-canvas-loading:before{content:"";width:40px;height:40px;border:4px solid var(--plt-line);border-top-color:var(--plt-accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.poster-canvas-error{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;width:100%;height:100%;color:var(--color-error, #ef4444);font-size:16px}.poster-canvas-error:before{content:"⚠";font-size:48px}.properties-panel-container{width:320px;background:var(--plt-panel);border-left:1px solid var(--plt-line);display:flex;flex-direction:column;overflow-y:auto}.poster-properties-panel{padding:16px;display:flex;flex-direction:column;gap:24px}.poster-properties-panel section{border-bottom:1px solid var(--plt-line);padding-bottom:16px}.poster-properties-panel section:last-child{border-bottom:none}.poster-properties-panel h3{margin:0 0 12px;font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.12em;color:var(--plt-ink3)}.placeholder-text{color:var(--plt-ink3);font-size:14px;margin:0}.template-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.template-button{padding:0;border:1.5px solid var(--plt-line2);background:var(--plt-panel);color:var(--plt-ink2);border-radius:9px;cursor:pointer;overflow:hidden;transition:border-color .15s ease,box-shadow .15s ease}.template-swatch{display:block;height:52px}.template-button>span{display:block;font-size:10.5px;text-align:center;padding:4px 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