/* Design 3: shared visual language; original app state and controls are preserved. */
:root{--primary:#187fb7;--primary-700:#18547c;--primary-600:#167ec1;--primary-500:#168ecc;--primary-400:#39a7d2;--primary-300:#83c9eb;--primary-200:#bce2f5;--primary-100:#dcecf6;--primary-50:#eff7fc;--accent:#199cd1;--bg:#f2f6fa;--bg-alt:#f5f8fb;--border:#dfe8ef;--text:#203f59;--text-muted:#7891a6;--text-light:#94a8b8;--shadow:0 5px 19px #1b42650a;--shadow-sm:0 4px 15px #173d6010;--success:#299682;--danger:#c16d6e;--radius-xl:16px}
[hidden]{display:none!important}body{font-family:'Segoe UI',Arial,sans-serif;font-size:14px;background:var(--bg);color:var(--text)}button,input,select,textarea{font-family:inherit}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid #70c4eb;outline-offset:3px}.btn{border-radius:8px;font-size:12px;font-weight:600;padding:11px 16px;box-shadow:none}.btn:hover{transform:none}.btn-primary{background:linear-gradient(110deg,#1762cd,#0b9bd6);border-color:transparent}.btn-warning{background:#f5f8fb;color:#62829b;border:1px solid var(--border)}.btn-info{background:#edf6fc;color:#277fac;border:1px solid #d9eaf4}.btn-success{background:#299682}.btn-word,.btn-excel{box-shadow:none}.d3{padding-left:204px;user-select:text}
.d3-sidebar{width:204px;position:fixed;inset:0 auto 0 0;background:url('power-lines.svg') left center/auto 100% no-repeat,linear-gradient(135deg,#0b2f64,#14558b);color:#aac8df;padding:26px 22px;z-index:200;display:flex;flex-direction:column}.d3-brand{display:block}.d3-brand img{width:155px;height:65px;object-fit:contain;filter:brightness(0) invert(1)}.d3-nav-label{font-size:9px;letter-spacing:1.4px;color:#7aa3c4;margin:36px 0 15px}.d3-sidebar nav{display:flex;flex-direction:column;gap:7px}.d3-sidebar nav button{width:100%;padding:13px 10px;background:none;border:1px solid transparent;border-radius:9px;color:#afcde2;text-align:left;font-size:12px;cursor:pointer;line-height:1.4}.d3-sidebar nav i{width:17px;margin-right:6px;font-size:11px}.d3-sidebar nav button.active{background:#ffffff18;border-color:#ffffff20;color:#fff}.d3-sidebar nav button:hover:not(:disabled){background:#ffffff10}.d3-sidebar nav button:disabled{opacity:.5;cursor:default}.d3-sidebar nav button span{float:right}.d3-admin-link{color:#a0c2db;text-decoration:none;font-size:11px;padding:14px 10px;margin-top:25px}.d3-sidebar-foot{margin-top:auto;font-size:10px;line-height:1.9;color:#7fa7c6}.d3>header,.d3.testing-mode>header{background:none;color:var(--text);border:0;border-radius:0;box-shadow:none;padding:0 28px;margin:0;overflow:visible}.d3>header:before{display:none}.d3>header .container{max-width:none;width:auto;min-height:78px;border-bottom:1px solid var(--border);padding:0;display:flex;flex-direction:row;justify-content:space-between;gap:14px;text-align:left}.d3>header h1,.d3>header p{display:none!important}.d3-breadcrumb{font-size:11px;color:#90a2b3;margin-right:auto}.d3 #header-actions{margin:0}.d3 #go-admin-btn{background:#fff!important;border:1px solid var(--border)!important;border-radius:8px!important;color:#7190a8!important;padding:11px 15px!important;font-size:11px;font-weight:500;backdrop-filter:none}.d3 .timer-container,.d3 .timer-container.floating-timer{position:static!important;margin:0;background:none;border:0;box-shadow:none;color:#18547c;padding:0;gap:12px;min-width:0;transform:none}.d3 .timer-container i{font-size:18px;color:#32759d}.d3 .timer{font-size:23px;font-weight:600;letter-spacing:1px;font-variant-numeric:tabular-nums}.d3-timer-label{font-size:10px;color:#89a0b2;margin-right:4px}.d3-pause{background:white;border:1px solid var(--border);border-radius:8px;padding:11px 14px;color:#7895ab;cursor:pointer;font-size:11px}.d3-main.container{max-width:none;width:auto;padding:0 28px;margin:0 auto}.d3-page-title{padding:25px 0 23px}.d3-eyebrow{font-size:9px;color:#6494b0;letter-spacing:1.8px;font-weight:600;margin-bottom:10px}.d3-page-title h2{font-size:29px;font-weight:650;letter-spacing:-.7px;margin:0;color:#234a67}.d3-page-title p{font-size:12px;color:#91a4b5;margin:11px 0 0;line-height:1.6}.d3-testing .d3-page-title{padding:22px 0}.d3-testing .d3-page-title h2{font-size:24px}.d3-testing .d3-page-title p{font-size:11px;margin-top:7px}
/* Catalog and preparation */
.d3 .json-upload-container{max-width:none;background:none;border:0;border-radius:0;box-shadow:none;padding:0;margin:0;text-align:left}.d3 .json-upload-container::before{display:none}.d3 #available-tests-container{margin:0!important;position:relative}.d3 #available-tests-container>h4{font-size:18px!important;letter-spacing:-.3px!important;text-transform:none!important;font-weight:650!important;color:#234a67!important;margin:0 0 22px!important;padding:8px 0 14px}.d3 #available-tests-container>h4 i{display:none}.d3-search{position:absolute;top:0;right:0;width:230px;padding:11px 13px;border:1px solid var(--border);background:white;border-radius:8px;font-size:11px;color:#537c97}.d3 #available-tests-list{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:15px!important}.d3 #available-tests-list>button{min-width:0;display:flex;flex-direction:column;align-items:flex-start;text-align:left;background:white!important;border:1px solid var(--border)!important;border-radius:14px!important;padding:18px!important;box-shadow:var(--shadow-sm);position:relative;min-height:173px;transition:border-color .15s,box-shadow .15s}.d3 #available-tests-list>button:before{content:'↗';background:#eaf5fc;color:#2387bc;width:32px;height:32px;display:grid;place-items:center;border-radius:9px;margin-bottom:13px;font-size:21px}.d3 #available-tests-list>button:hover{border-color:#80bfdf!important;box-shadow:0 8px 22px #27658b16}.d3 #available-tests-list>button>div:first-child{font-size:14px!important;font-weight:650!important;line-height:1.35!important;color:#2a516d}.d3 #available-tests-list>button>div{font-size:11px!important;line-height:1.55!important;color:#8199ac!important}.d3 #available-tests-list>button>div:first-child{color:#2a516d!important}.d3 #available-tests-list>button>div:last-child{margin-top:auto!important;padding-top:12px;display:flex;gap:8px;flex-wrap:wrap;font-size:9px!important}.d3 #available-tests-list>button i{display:none}.d3 #available-tests-list>button span{font-size:9px!important;color:#789bb4!important;background:#eff6fb!important;border:0!important;letter-spacing:0!important}.d3 .d3-upload-label{display:none}.d3 .json-upload-container>p{display:none}.d3 .upload-area{background:#f8fbfe;border:1px dashed #bfd4e3;border-radius:11px;margin:20px 0 7px;min-height:0;padding:20px 20px 20px 72px;position:relative;text-align:left}.d3 .upload-area>i{position:absolute;left:22px;top:21px;font-size:26px;color:#2d98c5;margin:0}.d3 .upload-area h4{font-size:13px;font-weight:600;margin:0 0 5px;color:#466f8e}.d3 .upload-area p{font-size:10px;margin:0;color:#91a9ba}.d3 .upload-info{font-size:10px;color:#9aabba;text-align:left;line-height:1.6;margin-top:7px}.d3 #download-example-btn{width:auto!important;background:none!important;border:0;padding:9px 0;margin:5px 0 0!important;color:#6c94b0;font-size:11px}.d3 #proceed-to-test-btn{max-width:330px;margin:14px 0}.d3 .uploaded-file-info,.d3 .upload-success,.d3 .upload-error{border-radius:10px;font-size:12px}.d3 .user-info-form,.d3 .test-settings-form{background:white;max-width:820px;padding:27px;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:15px;margin:0 0 24px}.d3 .user-info-form h3,.d3 .test-settings-form h3{font-size:20px;font-weight:650;color:#315d7c;margin:0 0 23px}.d3 .form-group label{font-size:12px;font-weight:600;color:#527892}.d3 input[type=text],.d3 input[type=password],.d3 input[type=number],.d3 select{border:1px solid #dce7ef;background:#f9fbfd;border-radius:8px;font-size:13px;color:#456e8a;padding:12px 13px}.d3 .shuffle-info,.d3 .password-note{font-size:10px;line-height:1.6;color:#90a7b8}.d3 .settings-buttons{margin-top:22px}.d3 .test-settings-form .form-group{margin-bottom:23px}
/* Test question and question map */
.d3-test-layout{display:grid;grid-template-columns:minmax(0,1fr) 253px;gap:18px;align-items:start;margin-bottom:16px}.d3 #single-question-display{min-width:0}.d3 .single-question-container{margin:0;padding:24px;background:white;border:1px solid var(--border);border-radius:15px;box-shadow:var(--shadow);transform:none;animation:none}.d3 .single-question-container:hover{transform:none}.d3 .question-progress{justify-content:flex-start;gap:10px;padding:0 27px 0 0;margin:0 0 18px;border:0;min-height:29px;flex-wrap:wrap}.d3 .question-number-large{font-size:13px;font-weight:650;-webkit-text-fill-color:#267fae;background:none;color:#267fae}.d3 .question-number-large:before{content:'ВОПРОС ';font-size:10px;letter-spacing:1px;font-weight:500}.d3 .question-progress-text{font-size:10px;color:#91a9ba}.d3 .question-progress-bar{display:none}.d3 .question-progress-meta{margin-left:auto;gap:7px}.d3 .section-indicator{font-size:9px;padding:4px 8px;background:#f0f5f9;color:#809caf;border:0;border-radius:5px}.d3 .difficulty-indicator{font-size:9px;padding:3px 6px}.d3 .question-time-indicator{font-size:9px;font-weight:400;padding:4px 7px;border:0!important;background:#f3f7fa;color:#85a0b5;animation:none!important}.d3 .single-question-text{font-size:21px;font-weight:600;line-height:1.45;letter-spacing:-.3px;padding:0;background:none;border:0;border-radius:0;margin:18px 0 21px;color:#284b66}.d3 .single-options{gap:10px;margin-bottom:22px}.d3 .single-option{padding:11px 13px;gap:13px;min-height:55px;background:white;border:1px solid var(--border);border-radius:9px;transform:none;box-shadow:none}.d3 .single-option:hover:not(.locked){border-color:#83c1e0;background:#f7fbfe;transform:none;box-shadow:none}.d3 .single-option-letter{width:29px;height:29px;min-width:29px;flex:none;border-radius:7px;background:#f1f5f8;color:#819aab;font-size:12px;font-weight:600;box-shadow:none}.d3 .single-option-text{font-size:12px;line-height:1.5;color:#577a93}.d3 .single-option.selected{background:#eff9ff;border-color:#219bcf;box-shadow:none}.d3 .single-option.selected .single-option-letter{background:#168dc7;color:white}.d3 .single-option.correct{background:#eef8f3!important;border-color:#61b39b!important}.d3 .single-option.incorrect{background:#fff3f2!important;border-color:#dba09d!important}.d3 .single-option.correct .single-option-letter{background:#389f86;color:white}.d3 .single-option.incorrect .single-option-letter{background:#c9817d;color:white}.d3 .single-question-controls{padding-top:17px;border-top:1px solid #edf2f6;margin-top:18px}.d3 .single-question-navigation{width:100%;gap:9px;justify-content:space-between}.d3 .single-question-navigation .btn{font-size:11px;padding:10px 12px}.d3 #finish-test-early-btn{background:#faf7f1!important;border:1px solid #eadfca!important;color:#aa9168;font-size:10px}.d3 #prev-question-btn{background:#fff;border:1px solid var(--border);color:#7a98af}.d3 .question-bookmark{top:27px;right:22px;font-size:15px;color:#a4b5c1}.d3 .question-bookmark.active{color:#d8ad64}.d3 .training-mode-indicator{font-size:11px;border-radius:7px;box-shadow:none}.d3 .training-mode-hint,.d3 .answer-feedback{font-size:12px;border-radius:9px;line-height:1.6;padding:13px}.d3 #progress-container{display:none!important}.d3 #jump-to-question,.d3 #bookmarked-questions{display:none!important}.d3-navigator{background:white;border:1px solid var(--border);border-radius:15px;padding:21px 17px;box-shadow:var(--shadow);position:sticky;top:18px}.d3-nav-heading{display:flex;justify-content:space-between;align-items:center}.d3-nav-heading h3{font-size:14px;margin:0;font-weight:650}.d3-nav-heading>span{background:#edf5fa;color:#85a4ba;border-radius:5px;padding:4px 7px;font-size:9px}.d3-test-metrics{display:flex;justify-content:space-between;margin:16px 0 12px}.d3-test-metrics b{display:block;font-size:19px;font-weight:600;color:#3c6a89;margin-bottom:3px}.d3-test-metrics span{font-size:9px;color:#97abba}.d3-nav-track{height:4px;background:#edf3f8;border-radius:3px}.d3-nav-track i{display:block;height:100%;width:0;background:#249fcb;border-radius:3px}.d3-number-grid{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:4px;margin:18px 0 13px;max-height:380px;overflow:auto}.d3-number{height:22px;padding:0;border:1px solid #e5edf3;background:#f5f8fb;border-radius:4px;color:#96abba;font-size:9px;cursor:pointer;position:relative}.d3-number.answered{background:#e6f3fc;color:#3d86b1;border-color:#d9eaf6}.d3-number.current{background:#168fc8;border-color:#168fc8;color:white}.d3-number.marked:after{content:'';position:absolute;right:0;top:0;border-top:6px solid #e3b16a;border-left:6px solid transparent}.d3-legend{font-size:8px;color:#91a8b8;display:flex;justify-content:space-between;gap:4px}.d3-navigator>p{font-size:10px;line-height:1.7;color:#96adbd;margin:19px 0 14px}.d3-finish{width:100%;background:#f8fbfd;color:#7797ad;border:1px solid #dbe6ee;border-radius:8px;padding:11px;font-size:10px;cursor:pointer}.d3-empty-marks{grid-column:1 / -1;font-size:12px;color:#91a8b8}.d3[data-stage=results] .timer-container,.d3[data-stage=results] .d3-pause,.d3[data-stage=setup] .timer-container{display:none!important}
/* Results: same structure as the approved preview, with original data nodes. */
.d3 .result-panel{padding:0;margin:0;max-width:none;background:none;border:0;box-shadow:none;border-radius:0;overflow:visible}.d3 .result-panel:before,.d3 .result-panel>h2,.d3 .result-panel>.export-buttons-container{display:none}.d3-result-layout{display:grid;grid-template-columns:minmax(0,1fr) 291px;gap:19px;align-items:stretch}.d3-result-summary,.d3-exports,.d3-result-sections,.d3-result-review{background:white;border:1px solid var(--border);border-radius:15px;box-shadow:var(--shadow);padding:23px}.d3-score-line{display:flex;align-items:center;gap:25px}.d3 .score-circle{width:120px;height:120px;flex:none;margin:0}.d3 .score-circle:after{inset:9px;box-shadow:none}.d3 .score{font-size:33px;font-weight:650;color:#205c82}.d3 .score-label{font-size:9px;font-weight:400}.d3-score-copy .d3-eyebrow{font-size:8px;margin-bottom:8px}.d3-score-copy h3{font-size:22px;font-weight:650;margin:0;color:#234e6d;line-height:1.3;letter-spacing:-.5px}.d3-score-copy p{font-size:11px;line-height:1.6;color:#8ba2b3;margin:7px 0 0}.d3 #d3-result-test-title{font-size:10px;color:#6591ad}.d3 .results-details{grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:18px 0 0;border-top:1px solid #edf2f6;border-bottom:1px solid #edf2f6;padding:15px 0}.d3 .result-item{border:0;padding:0;background:none;box-shadow:none;text-align:left}.d3 .result-value{font-size:20px;font-weight:600;color:#4a7594}.d3 .result-value.correct{color:#299682}.d3 .result-value.incorrect{color:#c77c7b}.d3 #d3-unanswered{color:#b69a70}.d3 .result-label{font-size:9px;font-weight:400;margin-top:5px;color:#91a8b8}.d3 .result-user-info{background:none;border:0;padding:0;margin:17px 0 0;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.d3 .result-user-info>div{font-size:10px;color:#7795aa;line-height:1.5}.d3 .result-user-info>div:first-child{grid-column:1 / -1;color:#507996}.d3 .result-user-info>div:last-child{grid-column:1 / -1;font-size:9px}.d3 .result-user-info i{color:#91b2c7;font-size:10px}.d3 .d3-result-message{font-size:11px!important;line-height:1.6;padding:12px!important;margin:16px 0 0!important;background:#f5f9fc!important;border-color:#e2edf5!important;color:#7c9ab0!important}.d3-exports{padding:20px}.d3-exports h3,.d3-result-sections h3,.d3-result-review h3{font-size:16px;font-weight:650;letter-spacing:-.2px;margin:0}.d3-exports>p,.d3-result-review p{font-size:10px;line-height:1.65;color:#8ca3b4;margin:8px 0 14px}.d3-export-button{display:flex;align-items:center;text-align:left;gap:11px;background:white;border:1px solid var(--border);width:100%;border-radius:9px;padding:10px 11px;margin-bottom:8px;cursor:pointer}.d3-export-button:hover{background:#f8fbfd;border-color:#9ec6de}.d3-export-button:disabled{opacity:.55;cursor:wait}.d3-file-badge{width:30px;height:35px;border-radius:6px;background:#eaf3fc;display:grid;place-items:center;flex:none;color:#2879b4;font-size:17px;font-weight:650}.xlsx .d3-file-badge{background:#eaf6ef;color:#448b74}.pdf .d3-file-badge{background:#fbefed;color:#c37c77;font-size:9px}.d3-export-button strong{font-size:11px;color:#527b96;font-weight:600;display:block}.d3-export-button small{font-size:8px;color:#97aab9;display:block;margin-top:4px}.d3-download{font-size:19px;color:#8cabbf;margin-left:auto}.d3-export-note{font-size:9px!important;color:#9aafbf!important}.d3-export-status{font-size:10px;line-height:1.5;color:#6390aa;margin-top:6px}.d3-result-lower{display:grid;grid-template-columns:minmax(0,1fr) 291px;gap:19px;margin-top:18px}.d3-result-sections,.d3-result-review{padding:21px 23px}.d3-section-row{display:grid;grid-template-columns:minmax(100px,180px) minmax(40px,1fr) 52px;gap:12px;align-items:center;font-size:10px;color:#7c9aaf;margin-top:13px}.d3-section-bar{height:5px;border-radius:4px;background:#edf3f7;overflow:hidden}.d3-section-bar i{display:block;height:100%;background:#4ea5ca;border-radius:4px}.d3-section-fraction{text-align:right;font-size:9px;color:#648da8}.d3-result-review .btn{width:100%;margin-top:8px;font-size:11px}.d3-result-review #toggle-stats-btn,.d3-result-review #view-detailed-results-btn{background:none;border:0;color:#719ab4;padding:5px 0;text-align:left;font-size:10px}.d3-result-review #new-test-btn{background:white;border:1px solid var(--border);color:#7295ac}.d3-offline-exports{margin-top:13px;font-size:10px;color:#82a1b6}.d3-offline-exports summary{cursor:pointer}.d3-offline-exports .btn{font-size:10px;margin:9px 0 0;width:100%;padding:9px}.d3 .extended-stats{padding:23px;background:white;border:1px solid var(--border);border-radius:14px;margin-top:18px}.d3 .extended-stats h3{font-size:17px}.d3 .review-section,.d3 .detailed-results{max-width:none;padding:25px;border:1px solid var(--border);border-radius:15px;box-shadow:var(--shadow);margin:0 0 22px}.d3 .review-section .single-question-container{padding:20px;box-shadow:none}.d3 .review-section .single-question-text{font-size:20px}.d3 .footer,.d3.testing-mode .footer{display:block!important;background:none;border:0;text-align:left;font-size:9px;color:#95aab9;padding:22px 0 16px;margin-top:0}.d3 .footer p{font-size:9px;line-height:1.6;margin:0}.d3 .footer p:last-child{font-size:9px!important}.d3 .footer #connection-status{float:right;margin-top:-14px!important}.d3 .pause-message,.d3 .password-form,.d3 .unanswered-form{border-radius:16px;box-shadow:0 25px 70px #082a5540}.d3 .pause-overlay,.d3 .password-modal,.d3 .unanswered-modal{background:#092c65a6;backdrop-filter:blur(4px)}.d3 .pause-message h2{font-size:24px;font-weight:650}
/* Administrative screens inherit the same brand, while their existing controls remain intact. */
.d3-admin .app-shell{grid-template-columns:204px minmax(0,1fr)}.d3-admin .sidebar{background:url('power-lines.svg') left center/auto 100%,linear-gradient(135deg,#0b2f64,#14558b);color:#aac8df;border:0}.d3-admin .sb-brand{flex-direction:column;align-items:flex-start;gap:15px;border-color:#ffffff15;padding:26px 22px}.d3-admin-logo{width:155px;height:65px;object-fit:contain;filter:brightness(0) invert(1)}.d3-admin .sb-brand-text strong{font-size:12px;color:#d7ebfa;font-weight:500}.d3-admin .sb-brand-text small{font-size:10px;color:#87b2d2}.d3-admin .sb-nav{padding:16px 13px}.d3-admin .sb-link{font-size:12px;color:#a6c7de;padding:13px 10px;font-weight:500}.d3-admin .sb-link i{color:#8db8d5;font-size:12px}.d3-admin .sb-link.active,.d3-admin .sb-link:hover{color:white;background:#ffffff16;box-shadow:none}.d3-admin .sb-section-title{color:#74a3c5;font-size:9px}.d3-admin .sb-foot{background:none;border-color:#ffffff15;color:#88b1cf}.d3-admin .sb-foot *{color:#88b1cf}.d3-admin #auth-overlay{background:url('power-lines.svg') center/cover,linear-gradient(120deg,#092b60,#0c4b8a 55%,#09356d)}.d3-admin #auth-overlay .modal{border-radius:18px;box-shadow:0 24px 80px #0016315c}.d3-admin .topbar{box-shadow:none;border-bottom:1px solid var(--border)}.d3-admin .card,.d3-admin .table-wrap{box-shadow:var(--shadow);border-color:var(--border);border-radius:14px}
@media(min-width:1600px){.d3-main.container{max-width:1500px}.d3-test-layout{grid-template-columns:minmax(0,1fr) 290px}.d3 .single-question-text{font-size:23px}.d3 .single-option-text{font-size:14px}}
@media(max-width:1100px){.d3{padding-left:180px}.d3-sidebar{width:180px;padding:24px 16px}.d3-brand img{width:148px}.d3 #available-tests-list{grid-template-columns:repeat(2,minmax(0,1fr))!important}.d3-test-layout{grid-template-columns:minmax(0,1fr) 225px;gap:14px}.d3-main.container{padding:0 22px}.d3>header,.d3.testing-mode>header{padding:0 22px}.d3 .single-question-container{padding:20px}.d3 .single-question-text{font-size:19px}.d3 .single-option-text{font-size:12px}.d3 .question-progress-meta{margin-left:0}.d3-result-layout,.d3-result-lower{grid-template-columns:minmax(0,1fr) 260px}.d3-score-line{gap:16px}.d3 .score-circle{width:100px;height:100px}.d3-score-copy h3{font-size:19px}.d3 .results-details{grid-template-columns:repeat(3,minmax(0,1fr))}.d3-section-row{grid-template-columns:1fr 1fr 42px}}
@media(max-width:800px){.d3{padding-left:0}.d3-sidebar{position:relative;width:100%;height:auto;padding:14px 18px;display:grid;grid-template-columns:140px 1fr;align-items:center;gap:10px;background-position:center}.d3-brand img{width:125px;height:48px}.d3-nav-label,.d3-sidebar-foot,.d3-admin-link{display:none}.d3-sidebar nav{flex-direction:row;gap:4px;justify-content:flex-end;flex-wrap:wrap}.d3-sidebar nav button{width:auto;padding:8px;font-size:10px}.d3-sidebar nav i{display:none}.d3-main.container{padding:0 18px}.d3>header,.d3.testing-mode>header{padding:0 18px}.d3>header .container{min-height:64px;gap:10px}.d3-breadcrumb{font-size:10px}.d3-timer-label{display:none}.d3 .timer{font-size:20px}.d3 #go-admin-btn{font-size:10px;padding:9px 10px!important}.d3-page-title{padding:22px 0}.d3-page-title h2{font-size:24px}.d3-test-layout{grid-template-columns:minmax(0,1fr)}.d3-navigator{position:static;padding:20px}.d3-number-grid{grid-template-columns:repeat(15,minmax(0,1fr));max-height:none}.d3-number{height:28px;font-size:11px}.d3-result-layout,.d3-result-lower{grid-template-columns:1fr}.d3 .results-details{grid-template-columns:repeat(5,minmax(0,1fr))}.d3-exports{padding:22px}.d3-export-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.d3-export-button{flex-wrap:wrap;gap:8px}.d3-export-button small{font-size:8px}.d3 .user-info-form,.d3 .test-settings-form{padding:22px}.d3-admin .app-shell{grid-template-columns:1fr}.d3-admin .sidebar{width:240px}}
@media(max-width:500px){.d3-sidebar{grid-template-columns:1fr;gap:4px}.d3-brand img{width:135px;height:48px}.d3-sidebar nav{justify-content:flex-start}.d3-sidebar nav button{font-size:10px;padding:7px 9px}.d3 #available-tests-list{grid-template-columns:1fr!important}.d3 #available-tests-list>button{min-height:150px}.d3-search{position:static;width:100%;margin:0 0 16px}.d3 #available-tests-container>h4{margin-bottom:5px!important}.d3-page-title h2{font-size:22px}.d3 .single-question-container{padding:18px}.d3 .single-question-text{font-size:18px}.d3 .single-option{padding:10px;gap:9px}.d3 .single-option-text{font-size:12px}.d3 .question-progress-meta{gap:4px}.d3 .section-indicator{max-width:170px;overflow-wrap:anywhere}.d3-number-grid{grid-template-columns:repeat(10,minmax(0,1fr))}.d3 .single-question-navigation{justify-content:space-between}.d3 .single-question-navigation .btn{font-size:10px;padding:10px}.d3 .d3-pause{padding:9px;font-size:10px}.d3-breadcrumb{max-width:145px;line-height:1.5}.d3-score-line{gap:15px}.d3-score-copy h3{font-size:19px}.d3 .score-circle{width:96px;height:96px}.d3 .score{font-size:29px}.d3 .score-label{font-size:7px}.d3 .results-details{grid-template-columns:repeat(3,minmax(0,1fr))}.d3 .result-user-info{grid-template-columns:1fr}.d3-export-list{grid-template-columns:1fr}.d3-export-button{flex-wrap:nowrap}.d3-section-row{grid-template-columns:minmax(80px,1fr) 1fr 40px;gap:8px;font-size:9px}.d3 .settings-buttons{flex-wrap:wrap}.d3 .settings-buttons .btn{flex:auto!important}.d3 .footer #connection-status{float:none;margin-top:5px!important}}
/* Final layout refinements after checking the live test flow. */
.d3>header,.d3.testing-mode>header{position:sticky;top:0;z-index:150;background:var(--bg)}
.d3 .question-bookmark{opacity:1;filter:none;top:24px;right:22px;min-width:24px;min-height:24px;padding:4px;display:inline-flex;align-items:center;gap:6px;font-size:12px}
.d3 .question-bookmark:after{content:'В закладки';font-family:'Segoe UI',Arial,sans-serif;font-size:10px;font-weight:400;color:#8ba3b5}
.d3 .question-bookmark.active:after{content:'В закладках';color:#bf9a5c}
.d3 .question-progress{padding-right:102px}
.d3 .d3-result-info{margin-top:14px;font-size:10px;color:#88a1b5}
.d3 .d3-result-info summary{cursor:pointer}
.d3 #available-tests-list>button{gap:4px;padding:14px!important;min-height:166px}
.d3 #available-tests-list>button:before{width:28px;height:28px;font-size:19px;margin-bottom:6px}
.d3 #available-tests-list>button>div:first-child{font-size:13px!important}
.d3 .catalog-test-card-desc{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.d3 #available-tests-list>button>div:last-child{padding-top:8px}
.d3-admin #auth-overlay .auth-card{border-radius:18px;box-shadow:0 24px 80px #0016315c;border:1px solid #ffffffa0}
.d3-admin #auth-overlay .auth-logo{width:180px;height:75px;margin:0 auto 20px;background:url('rosseti.svg') center/contain no-repeat;filter:brightness(0) saturate(100%) invert(23%) sepia(81%) saturate(1492%) hue-rotate(185deg) brightness(90%) contrast(95%);border-radius:0;box-shadow:none}
.d3-admin #auth-overlay .auth-logo i{display:none}
@media(max-width:500px){.d3 .question-bookmark:after{display:none}.d3 .question-progress{padding-right:30px}.d3 .question-bookmark{right:15px;top:21px}}
.d3>header #new-test-btn{display:none}
.d3.d3-results>header #new-test-btn{display:inline-flex;background:white;border:1px solid var(--border);color:#6c92ad;font-size:11px;padding:10px 14px}
.d3-results .d3-page-title{padding:18px 0}
.d3-results .d3-page-title h2{font-size:26px;line-height:1.2}
.d3-results .d3-page-title p{display:none}
.d3-results .d3-page-title .d3-eyebrow{letter-spacing:1.4px;font-size:9px;margin-bottom:8px}
.d3 .d3-result-summary{padding:21px 23px}
.d3 .score-circle{width:112px;height:112px}
.d3 .result-user-info>div:last-child{grid-column:auto;font-size:10px}
.d3-result-metadata{font-size:10px;line-height:1.8;color:#8aa3b7;margin-top:12px}
.d3-result-metadata i{font-size:10px;color:#8cabc1;margin-right:5px}
.d3-result-review #review-test-btn{background:linear-gradient(110deg,#1762cd,#0b9bd6);border:0;color:#fff}
.d3-results .d3-result-review{padding:19px 21px}
.d3-results .d3-result-review p{margin:8px 0 9px}
.d3-results .d3-result-review .btn{margin-top:5px}
.d3-results .d3-result-review #toggle-stats-btn,.d3-results .d3-result-review #view-detailed-results-btn{padding:4px 0}
.d3-results .d3-exports{padding:18px 19px}
.d3-results .d3-export-button{padding:8px 10px;margin-bottom:7px}
.d3-results .d3-file-badge{height:32px}
.d3-results .d3-exports>p{margin:7px 0 12px}
.d3-results .d3-offline-exports{margin-top:9px}
.d3 .single-question-container{scroll-margin-top:95px}
@media(max-width:500px){.d3 .score-circle{width:96px;height:96px}.d3-results .d3-page-title h2{font-size:23px}.d3-results .d3-page-title .d3-eyebrow{font-size:8px}}
/* Static layout only. No methods, state, event handlers or visibility flags are replaced. */
.d3-static .d3-nav-item{display:flex;align-items:center;gap:7px;padding:13px 10px;border:1px solid transparent;border-radius:9px;text-decoration:none;color:#afcde2;font-size:12px;line-height:1.4}
.d3-static .d3-nav-item i{font-size:11px;width:17px}
.d3-static .d3-nav-item:hover{background:#ffffff10;color:white}
.d3-static .d3-catalog-link{background:#ffffff18;border-color:#ffffff20;color:white}
.d3-static.testing-mode .d3-catalog-link{background:none;border-color:transparent;color:#afcde2}
.d3-static.testing-mode .d3-testing-link{background:#ffffff18;border-color:#ffffff20;color:white}
.d3-static:has(#result-panel[style*="block"]) .d3-testing-link,.d3-static:has(#review-section[style*="block"]) .d3-testing-link,.d3-static:has(#detailed-results[style*="block"]) .d3-testing-link{background:none;border-color:transparent;color:#afcde2}
.d3-static:has(#result-panel[style*="block"]) .d3-results-link,.d3-static:has(#review-section[style*="block"]) .d3-results-link,.d3-static:has(#detailed-results[style*="block"]) .d3-results-link{background:#ffffff18;border-color:#ffffff20;color:white}
.d3-static .d3-title-testing,.d3-static .d3-title-results,.d3-static .d3-title-setup{display:none}
.d3-static.testing-mode .d3-title-catalog,.d3-static.testing-mode .d3-catalog-description{display:none}
.d3-static.testing-mode .d3-title-testing{display:block}
.d3-static:has(#user-info-form[style*="block"]) .d3-title-catalog,.d3-static:has(#test-settings-form[style*="block"]) .d3-title-catalog{display:none}
.d3-static:has(#user-info-form[style*="block"]) .d3-title-setup,.d3-static:has(#test-settings-form[style*="block"]) .d3-title-setup{display:block}
.d3-static:has(#result-panel[style*="block"]) .d3-title-testing,.d3-static:has(#review-section[style*="block"]) .d3-title-testing,.d3-static:has(#detailed-results[style*="block"]) .d3-title-testing{display:none}
.d3-static:has(#result-panel[style*="block"]) .d3-title-results,.d3-static:has(#review-section[style*="block"]) .d3-title-results,.d3-static:has(#detailed-results[style*="block"]) .d3-title-results{display:block}
.d3-static .d3-page-title{padding:23px 0}
.d3-static.testing-mode .d3-page-title{padding:19px 0}
.d3-static.testing-mode .d3-page-title h2{font-size:25px}
.d3-static .d3-test-layout{grid-template-columns:minmax(0,1fr) 253px;align-items:start}
.d3-static .d3-test-layout:has(#single-question-display:empty){display:none}
.d3-static #jump-to-question{display:block!important;position:sticky;top:95px;bottom:auto;right:auto;z-index:1;min-width:0;background:white;border:1px solid var(--border);border-radius:15px;padding:19px 16px;box-shadow:var(--shadow)}
.d3-static #jump-btn{display:none}
.d3-static #jump-dropdown{display:block;position:static;bottom:auto;right:auto;transform:none;opacity:1;width:auto;min-width:0;max-height:calc(100vh - 155px);padding:0;background:none;border:0;border-radius:0;box-shadow:none;overflow:auto;animation:none}
.d3-static .jump-title{font-size:14px;font-weight:650;padding:0 0 15px;border-bottom:1px solid #edf2f6;margin-bottom:16px;color:#315b79}
.d3-static .jump-section{margin-bottom:16px}
.d3-static .jump-section-title{font-size:10px;font-weight:500;color:#8aa4b7;margin-bottom:10px;padding:0}
.d3-static .jump-questions{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:4px}
.d3-static .jump-question-btn{width:auto;height:25px;min-width:0;padding:0;border-radius:4px;background:#f4f8fb;border:1px solid #e4edf3;color:#8aa5b8;font-size:10px;font-weight:500;box-shadow:none}
.d3-static .jump-question-btn.current{background:#168fc8;border-color:#168fc8;color:white;transform:none;box-shadow:none}
.d3-static .jump-question-btn.answered{background:#eaf7f1;border-color:#cce9db;color:#418e77}
.d3-static .jump-question-btn.skipped{background:#fdf1ec;border-color:#efd7cd;color:#bd8a76}
.d3-static #bookmarked-questions{display:none!important}
.d3-static #bookmarked-questions[style*="block"]{display:block!important;position:fixed;bottom:24px;right:24px;z-index:180}
.d3-static .bookmarks-btn{width:45px;height:45px;font-size:17px;border-radius:12px;box-shadow:0 5px 20px #17476c25}
.d3-static .bookmarks-dropdown{max-width:calc(100vw - 45px)}
.d3-static .timer-container.floating-timer{position:fixed!important;top:24px;right:29px;bottom:auto;left:auto;z-index:170;padding:0!important;transform:none}
.d3-static #timer-container:has(#timer){background:var(--bg)}
.d3-static .question-progress{padding-right:30px}
.d3-static .question-bookmark:after{display:none}
.d3-static .question-bookmark{min-width:22px;padding:3px;top:24px;right:20px}
.d3-static .skipped-questions-container{background:white;border:1px solid var(--border);border-radius:15px;padding:25px;box-shadow:var(--shadow)}
.d3-static .skipped-questions-container .section-title{font-size:23px;font-weight:650;color:#2c5776;margin-bottom:15px}
.d3-static .skipped-questions-container>p{font-size:13px!important;line-height:1.7!important;margin:0 0 22px!important}
.d3-static .skipped-questions-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.d3-static .skipped-question-item{padding:16px;background:#f8fbfe;border:1px solid #dfebf3;border-radius:10px;margin:0;box-shadow:none}
.d3-static .skipped-question-item>div:last-child{font-size:12px!important;line-height:1.6!important;color:#65859d!important}
.d3-static .skipped-question-item strong{font-size:11px;color:#6188a4}
.d3-static .skipped-question-number{font-size:13px;width:28px;height:28px;background:#eaf4fb;color:#3585b3;box-shadow:none}
.d3-static .skipped-actions{margin-top:22px;gap:10px;display:flex;flex-wrap:wrap}
.d3-static .skipped-actions .btn{font-size:11px}
.d3-static .d3-exports .export-btn-group{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.d3-static .d3-exports .btn{width:100%;text-align:left;padding:15px 13px;background:#f7fbfe;border:1px solid #dce9f3;color:#4a829f;border-radius:10px;font-size:11px}
.d3-static .d3-exports .btn-word{color:#397eae}
.d3-static .d3-exports .btn-excel{color:#478d76}
.d3-static .d3-export-note{font-size:10px;line-height:1.7;margin-top:20px;color:#8fa6b6}
.d3-static .d3-result-review .export-btn-group{display:flex;flex-direction:column;gap:6px;margin-top:13px}
.d3-static .d3-result-lower>.extended-stats{margin:0;padding:21px;border-radius:15px;background:white;border:1px solid var(--border);box-shadow:var(--shadow)}
.d3-static .d3-result-lower>.extended-stats h3{font-size:16px;margin:0 0 16px}
.d3-static .stats-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}
.d3-static .stat-item{padding:12px;background:#f7fbfe;border:1px solid #e6eff5;border-radius:9px;box-shadow:none}
.d3-static .stat-value{font-size:20px;font-weight:600;color:#4e839f}
.d3-static .stat-label{font-size:9px;color:#91a9ba}
.d3-static .section-stats h4{font-size:13px!important;font-weight:600;color:#527d99!important;margin:20px 0 14px!important}
.d3-static .section-stat-item{padding:0;background:none;border:0;margin:12px 0}
.d3-static .section-stat-name,.d3-static .section-stat-percentage{font-size:10px;font-weight:500;color:#7a9ab1}
.d3-static .section-stat-bar{height:5px;background:#edf3f8}
.d3-static .section-stat-fill{background:#4ca4cb}
.d3-static .result-user-info{grid-template-columns:repeat(2,minmax(0,1fr))}
.d3-static .result-user-info>div:last-child{grid-column:1 / -1;font-size:9px}
.d3-static #result-message{font-size:11px!important;padding:13px!important;margin:13px 0 0!important;line-height:1.7;color:#789bb2!important;background:#f4f9fc!important;border-color:#e0ecf5!important}
.d3-static .d3-result-info{margin-top:16px}
.d3-static #new-test-btn{align-self:auto!important}
@media(max-width:1100px){.d3-static .d3-test-layout{grid-template-columns:minmax(0,1fr) 225px}.d3-static .jump-questions{grid-template-columns:repeat(7,minmax(0,1fr))}}
@media(max-width:800px){.d3-static .d3-nav-item{padding:8px;font-size:10px}.d3-static .d3-test-layout{grid-template-columns:1fr}.d3-static #jump-to-question{position:static}.d3-static #jump-dropdown{max-height:none}.d3-static .jump-questions{grid-template-columns:repeat(12,minmax(0,1fr))}.d3-static .timer-container.floating-timer{top:107px;right:20px}.d3-static .skipped-questions-list{grid-template-columns:1fr}}
@media(max-width:500px){.d3-static .d3-nav-item{padding:7px 8px;font-size:10px}.d3-static .timer-container.floating-timer{top:132px;right:18px}.d3-static .jump-questions{grid-template-columns:repeat(8,minmax(0,1fr))}.d3-static .skipped-questions-container{padding:19px}.d3-static .skipped-actions .btn{flex:1 1 100%}.d3-static .result-user-info{grid-template-columns:1fr}}
/* A rendered skipped-question card is a real test screen too. */
.d3-static #single-question-display>.single-question-container{display:block}
.d3-static .skipped-question-item{display:block!important}
.d3-static .skipped-question-item>div:first-child{margin-bottom:10px!important}
.d3-static .jump-section:not(:has(.jump-question-btn)){display:none}