:root{font-family:Arial,Helvetica,sans-serif;color:#18324a;background:#eff7fb;font-size:16px}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer}.site-shell{min-height:100vh;max-width:1440px;margin:auto;padding:0 48px}.site-header{display:flex;align-items:center;justify-content:space-between;padding:26px 0 30px;border-bottom:1px solid #d3e4ed}.brand{display:flex;align-items:center;gap:12px;color:#113a58;font-size:1.2rem;font-weight:700;letter-spacing:-.03em}.brand strong{color:#1672a1}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:#113a58;color:#ffd26f;font-size:1.8rem;line-height:1}.grade-switch{display:flex;gap:4px;padding:4px;background:#dfecf3;border-radius:13px}.grade-button{border:0;border-radius:10px;background:transparent;color:#526f82;padding:9px 17px;font-weight:700}.grade-button.active{background:#fff;color:#113a58;box-shadow:0 2px 7px #19476515}.intro-row{display:flex;justify-content:space-between;align-items:end;gap:24px;padding:41px 0 30px}.eyebrow{font-size:.78rem;letter-spacing:.17em;font-weight:800;color:#2181ab;margin:0 0 12px}h1{font-size:clamp(2rem,3.2vw,3.1rem);line-height:1.12;letter-spacing:-.055em;color:#113a58;margin:0 0 12px}.intro-copy{color:#5f7788;max-width:680px;line-height:1.55;margin:0}.progress-summary{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #dce9ee;border-radius:16px;padding:15px 21px;white-space:nowrap;box-shadow:0 6px 28px #2b66820a}.summary-icon{display:grid;place-items:center;background:#fff3d2;color:#d38b1d;width:40px;height:40px;border-radius:11px;font-size:1.3rem}.progress-summary div{display:flex;flex-direction:column;gap:2px}.progress-summary strong{font-size:1.5rem;line-height:1;color:#113a58}.progress-summary div span{font-size:.8rem;color:#6c8290}.workspace{display:grid;grid-template-columns:300px minmax(0,1fr);gap:22px;align-items:start}.topics-panel,.exercise-panel{background:#fff;border:1px solid #d9e8ef;border-radius:22px;box-shadow:0 12px 42px #315f7410}.topics-panel{padding:22px}.panel-heading{display:flex;justify-content:space-between;font-weight:800;color:#113a58;margin:3px 4px 20px}.panel-heading-icon{color:#efaf3d}.topic-list{display:grid;gap:8px}.topic-button{border:1px solid transparent;background:transparent;width:100%;text-align:left;border-radius:13px;padding:14px 12px;display:flex;gap:13px;align-items:center;color:#25465e;font-weight:700}.topic-button:hover{background:#f1f8fb}.topic-button.active{background:#e8f5fb;border-color:#b7ddef;color:#0d648f}.topic-icon{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;background:#eef4f8;color:#13688c;font-size:1.2rem;flex:none}.topic-button.active .topic-icon{background:#ccebf9}.topic-meta{display:flex;flex-direction:column;gap:4px}.topic-meta small{color:#8299a5;font-size:.77rem;font-weight:500}.level-note{display:flex;gap:10px;background:#fff7e9;border-radius:13px;padding:15px;margin-top:23px;color:#805d28}.level-note p{font-size:.84rem;line-height:1.5;margin:0}.level-note-icon{font-weight:900}.exercise-panel{padding:32px 38px 34px;min-height:520px}.exercise-topline{display:flex;justify-content:space-between;align-items:center;gap:12px}.topic-label{color:#0d749b;background:#e8f6fb;border-radius:100px;padding:7px 13px;font-size:.84rem;font-weight:800}.level-label{color:#78909c;font-size:.85rem;font-weight:700}.level-track{display:flex;gap:6px;margin:19px 0 32px}.level-track span{height:7px;flex:1;border-radius:20px;background:#e6eff3}.level-track span.filled{background:#f1b94a}h2{font-size:1.6rem;letter-spacing:-.04em;color:#123951;margin:0 0 17px}.exercise-text{font-size:clamp(1.5rem,2.5vw,2.25rem);line-height:1.42;color:#123951;font-weight:700;letter-spacing:-.025em;margin:0 0 29px;max-width:800px}.answer-form label{display:block;font-weight:800;color:#31516a;margin-bottom:10px}.answer-row{display:flex;gap:12px}.answer-row input{width:min(100%,210px);height:55px;padding:12px 17px;border:2px solid #cbdee7;border-radius:12px;color:#123951;background:#fff;outline:none;font-size:1.35rem;font-weight:700}.answer-row input:focus{border-color:#2184b2;box-shadow:0 0 0 4px #d4effb}.primary-button{background:#126d9b;color:white;border:0;border-radius:12px;padding:14px 22px;font-weight:800;min-height:55px}.primary-button:hover{background:#0d587e}.answer-hint{font-size:.83rem;color:#8095a1;margin:9px 0 0}.exercise-actions{display:flex;gap:22px;margin-top:24px}.text-button{border:0;background:none;padding:3px 0;color:#1377a2;font-weight:700;text-decoration:underline;text-underline-offset:4px}.text-button:hover{color:#084c6f}.feedback{margin-top:26px;padding:15px 18px;border-radius:12px;font-weight:700}.feedback.good{background:#e4f5ea;color:#1c7352}.feedback.try{background:#fff1db;color:#895b13}.explanation{margin-top:22px;background:#f2f8fb;border:1px solid #d4e8f2;border-radius:15px;padding:21px 24px}.explanation h3{font-size:1.08rem;margin:0 0 13px;color:#123951}.explanation ol{margin:0;padding-left:23px}.explanation li{line-height:1.55;margin:7px 0;color:#375970}.explanation .result{margin:15px 0 0;font-weight:800;color:#0d648f}.next-button{margin-top:20px}footer{padding:27px 0;color:#79909e;font-size:.86rem;text-align:center}@media(max-width:850px){.site-shell{padding:0 22px}.workspace{grid-template-columns:1fr}.topics-panel{padding:17px}.topic-list{grid-template-columns:repeat(2,1fr)}.level-note{margin-top:14px}.intro-row{align-items:start}.progress-summary{display:none}}@media(max-width:560px){.site-shell{padding:0 14px}.site-header{padding:16px 0}.brand{font-size:.97rem;gap:7px}.brand-mark{width:32px;height:32px;font-size:1.5rem}.grade-button{padding:8px 10px;font-size:.83rem}.intro-row{padding:27px 0 22px}.intro-copy{font-size:.94rem}.topic-list{gap:5px}.topic-button{padding:9px;gap:8px;font-size:.85rem}.topic-icon{width:30px;height:30px}.exercise-panel{padding:23px 20px;min-height:0}.level-track{margin-bottom:25px}.answer-row{flex-wrap:wrap}.answer-row input{width:100%}.answer-row .primary-button{width:100%}.exercise-actions{justify-content:space-between;gap:10px}.text-button{font-size:.88rem}}
@media(max-width:560px){.site-header{flex-wrap:wrap;gap:12px}.brand{white-space:nowrap}.grade-switch{margin-left:auto}.topic-meta small{display:none}}.primary-button:disabled{opacity:.55;cursor:default}.text-button:disabled{opacity:.6;cursor:default}

.header-actions{display:flex;align-items:center;gap:12px}.profile-button{display:flex;align-items:center;gap:9px;border:1px solid #cfe0e8;background:#fff;color:#214760;border-radius:12px;padding:7px 12px 7px 8px;font-weight:800}.profile-button:hover{background:#f3f9fb}.profile-avatar{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:#dff2fa;color:#126d9b;font-size:1.15rem}.progress-summary{cursor:pointer;text-align:left}.summary-copy{display:flex;flex-direction:column;gap:2px}.summary-arrow{color:#1b769d;margin-left:6px}.exercise-visual{margin:-7px 0 27px;padding:22px;border:1px solid #d7e8ef;background:#f5fafc;border-radius:17px;overflow:hidden}.visual-caption{text-align:center;color:#5f7888;font-size:.88rem;font-weight:700;margin-top:12px}

.fraction-bar{display:flex;max-width:620px;min-height:76px;margin:auto;border:3px solid #164d6b;border-radius:13px;overflow:hidden;background:#fff}.fraction-part{display:grid;place-items:center;flex:1;min-width:28px;border-right:2px solid #164d6b;color:#fff;font-size:1.25rem}.fraction-part:last-child{border-right:0}.fraction-part.filled{background:#30a2cf}.fraction-part.cut{background:#fff0d2;color:#d28a16;background-image:repeating-linear-gradient(135deg,transparent 0 8px,#f4cd7f 8px 11px)}
.group-grid{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.object-group{background:#fff;border:2px solid #bbdae7;border-radius:12px;padding:11px;min-width:78px}.object-dots{display:grid;grid-template-columns:repeat(5,10px);gap:6px;justify-content:center;min-height:26px;align-content:center}.object-dot{width:10px;height:10px;border-radius:50%;background:#2d9cca;color:#84530b;font-size:.55rem;display:grid;place-items:center}.group-label{text-align:center;color:#68818f;font-size:.7rem;margin-top:7px}.bar-model{display:flex;min-height:76px;border-radius:12px;overflow:hidden;border:2px solid #174d6a}.bar-segment{display:grid;place-items:center;min-width:80px;padding:10px;color:#123951;font-size:.84rem;font-weight:800;text-align:center}.color-0{background:#bfe9f8}.color-1{background:#ffe2a4}.color-2{background:#cceccd}.color-3{background:#f6cdd8}
.bar-segment.unknown{background-color:#fff;background-image:repeating-linear-gradient(135deg,#eef6f9 0 9px,#dcecf2 9px 12px);font-size:1rem;color:#0f658b}
.route-model{display:flex;align-items:center;justify-content:center;overflow:auto;padding:8px}.route-stop{display:grid;place-items:center;flex:none;width:44px;height:44px;border-radius:50%;background:#fff;border:3px solid #238ab5;color:#164d6b;font-size:.68rem;font-weight:800}.route-line{width:48px;height:4px;background:#f0b43c;position:relative;flex:none}.route-line::after{content:'›';position:absolute;right:-2px;top:-14px;color:#c88211;font-size:1.5rem}
.rectangle-shape,.grid-shape{position:relative;width:min(76%,350px);max-height:180px;margin:8px auto;border:4px solid #167aa3;background:#dff4fb}.shape-width{position:absolute;left:50%;bottom:-25px;transform:translateX(-50%);font-weight:800;color:#31546a}.shape-height{position:absolute;right:-47px;top:50%;transform:translateY(-50%);font-weight:800;color:#31546a}.grid-shape{background-color:#e5f5fb;background-image:linear-gradient(#77bdd8 1px,transparent 1px),linear-gradient(90deg,#77bdd8 1px,transparent 1px);background-size:calc(100% / var(--cols)) calc(100% / var(--rows));height:160px}
.clock-face{position:relative;width:145px;height:145px;margin:auto;border:7px solid #174c68;border-radius:50%;background:repeating-conic-gradient(from -2deg,#174c68 0 2deg,transparent 2deg 30deg),#fff;box-shadow:inset 0 0 0 12px #fff}.clock-hand{position:absolute;left:50%;bottom:50%;width:4px;border-radius:4px;background:#164d6b;transform-origin:50% 100%}.clock-hand.hour{height:39px}.clock-hand.minute{height:54px;background:#e59d22}.clock-center{position:absolute;width:13px;height:13px;border-radius:50%;background:#164d6b;left:calc(50% - 6.5px);top:calc(50% - 6.5px)}.ruler{display:flex;align-items:flex-start;justify-content:space-between;max-width:600px;height:72px;margin:auto;padding:0 12px;background:#ffd97e;border:3px solid #bc7c13;border-radius:8px}.ruler-mark{height:27px;width:2px;background:#774a05;color:#774a05;padding-top:30px;font-size:.65rem}.ruler-mark:first-child,.ruler-mark:nth-child(6),.ruler-mark:last-child{height:43px}
.sequence-row,.balance-model,.machine-model{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}.sequence-item,.balance-side,.machine-box{display:grid;place-items:center;min-width:54px;min-height:54px;padding:8px;border:2px solid #78bdd7;background:#fff;border-radius:12px;color:#164d6b;font-size:1.1rem;font-weight:900}.sequence-item:last-child{border-style:dashed;background:#fff7e5;color:#c17b10}.sequence-arrow,.balance-sign{font-size:1.3rem;color:#e39d27;font-weight:900}.balance-side{min-width:110px}.machine-step{padding:10px 15px;border-radius:999px;background:#ffe3a5;color:#805513;font-weight:900;position:relative}.machine-step::after{content:'→';margin-left:12px}

.app-dialog{border:0;padding:0;background:transparent;max-width:min(92vw,560px);width:100%;color:#18324a}.app-dialog::backdrop{background:#092b3acc;backdrop-filter:blur(3px)}.dialog-card{position:relative;background:#fff;border-radius:23px;padding:34px;box-shadow:0 24px 80px #082c4070;display:grid;gap:14px}.dialog-close{position:absolute;right:16px;top:13px;border:0;background:#edf5f8;color:#34566a;border-radius:50%;width:36px;height:36px;font-size:1.5rem;line-height:1}.dialog-eyebrow{margin:0;color:#1b81aa;font-size:.76rem;letter-spacing:.15em;font-weight:900}.dialog-card h2{margin:0}.dialog-copy{margin:0;color:#627b8a;line-height:1.5}.dialog-card label{font-weight:800;margin-top:5px}.dialog-card input{height:54px;border:2px solid #c8dde6;border-radius:12px;padding:12px 15px;font-size:1.1rem;outline:none}.dialog-card input:focus{border-color:#2184b2;box-shadow:0 0 0 4px #d4effb}.field-error{color:#a6463e;background:#fff0ed;border-radius:8px;padding:8px 10px;margin:0}.secondary-button{border:2px solid #b9d4df;background:#fff;color:#176d94;border-radius:12px;padding:12px 17px;font-weight:800}.stats-dialog{max-width:min(94vw,760px)}.stats-card{max-height:88vh;overflow:auto}.stats-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.accuracy-ring{--accuracy:0deg;display:grid;place-items:center;width:100px;height:100px;border-radius:50%;background:radial-gradient(circle,#fff 56%,transparent 58%),conic-gradient(#2eaa73 var(--accuracy),#e5eef2 0);flex:none}.accuracy-ring strong{font-size:1.25rem;line-height:1}.accuracy-ring span{font-size:.7rem;color:#738a97}.stats-totals{display:flex;gap:12px}.stats-totals>div{display:flex;align-items:center;gap:7px;background:#f3f8fa;padding:10px 13px;border-radius:10px}.stat-dot{width:9px;height:9px;border-radius:50%}.stat-dot.correct{background:#2eaa73}.stat-dot.wrong{background:#df6d5e}.stats-list{display:grid;grid-template-columns:1fr 1fr;gap:15px}.stats-grade{border:1px solid #d7e6ec;border-radius:14px;padding:14px}.stats-grade h3{margin:0 0 11px;font-size:1rem;color:#153f57}.stats-row{display:grid;grid-template-columns:28px 1fr auto;gap:8px;align-items:center;padding:8px 0;border-top:1px solid #e7eff2}.stats-topic-icon{display:grid;place-items:center;width:25px;height:25px;border-radius:7px;background:#e8f5fa;color:#156e94}.stats-topic-name{font-size:.78rem;font-weight:700}.stats-numbers{font-size:.76rem}.correct-text{color:#24845b}.wrong-text{color:#bd5549}.mini-track{grid-column:2/4;height:4px;background:#e5edef;border-radius:10px;overflow:hidden}.mini-track i{display:block;height:100%;background:#2eaa73}

@media(max-width:850px){.header-actions{gap:7px}.profile-button{padding-right:8px}.exercise-visual{padding:17px}.stats-list{grid-template-columns:1fr}}
@media(max-width:620px){.site-header{align-items:flex-start}.header-actions{width:100%;justify-content:space-between}.profile-button{max-width:46%;overflow:hidden}.profile-button span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.progress-summary{display:flex}.intro-row{display:grid;padding-top:24px}.bar-model{overflow:auto;justify-content:flex-start}.bar-segment{min-width:90px}.dialog-card{padding:28px 20px}.stats-heading{align-items:flex-start}.accuracy-ring{width:82px;height:82px}.exercise-visual{margin-top:-12px}.shape-height{right:-39px}.stats-totals{flex-wrap:wrap}}

.subject-violet{--subject:#7554b8;--subject-soft:#f0ebfa}.subject-orange{--subject:#d2762d;--subject-soft:#fff0e3}.subject-teal{--subject:#238a87;--subject-soft:#e4f6f4}.subject-lime{--subject:#66923a;--subject-soft:#edf6e4}.subject-indigo{--subject:#4969b2;--subject-soft:#eaf0fb}.subject-bronze{--subject:#9a6b34;--subject-soft:#f7efe4}
.compass-model{position:relative;width:180px;height:180px;margin:auto;border:4px solid #447ba0;border-radius:50%;background:radial-gradient(circle,#fff 0 42%,#e7f4f9 43% 100%)}.compass-model::before,.compass-model::after{content:'';position:absolute;background:#8bbbd0}.compass-model::before{width:3px;height:142px;left:calc(50% - 1.5px);top:19px}.compass-model::after{height:3px;width:142px;top:calc(50% - 1.5px);left:19px}.compass-point,.compass-center{position:absolute;z-index:1;display:grid;place-items:center;color:#174b67;font-weight:900}.compass-point.north{top:7px;left:calc(50% - 10px)}.compass-point.south{bottom:7px;left:calc(50% - 10px)}.compass-point.east{right:10px;top:calc(50% - 11px)}.compass-point.west{left:10px;top:calc(50% - 11px)}.compass-center{width:38px;height:38px;border-radius:50%;background:#f4b84a;left:calc(50% - 19px);top:calc(50% - 19px);font-size:1.3rem}.concept-cards{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.concept-card{min-width:105px;max-width:180px;flex:1;display:grid;place-items:center;gap:8px;padding:16px 12px;border:2px solid #c7dfe8;border-radius:14px;background:#fff;text-align:center}.concept-icon{font-size:2rem}.concept-label{font-weight:800;color:#31546a;font-size:.86rem}

/* Началка по шагам */
[hidden]{display:none!important}.brand-button{border:0;background:none;padding:0;text-align:left}.profile-meta{display:flex;flex-direction:column;align-items:flex-start;min-width:0}.profile-meta strong,.profile-meta small{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-meta small{font-size:.72rem;color:#748b98;font-weight:600;margin-top:2px}.header-stat-button{display:flex;align-items:center;gap:7px;border:1px solid #d7e5eb;background:#fff;color:#173e56;border-radius:12px;padding:11px 14px;font-weight:800}.header-stat-button>span:first-child{color:#d99620}.header-stat-label{font-size:.76rem;color:#748b98;font-weight:600}

.subject-home{padding:56px 0 40px}.home-heading{max-width:760px;margin-bottom:30px}.subject-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.subject-card{--subject:#1681ad;--subject-soft:#e5f5fb;display:grid;grid-template-columns:66px minmax(0,1fr) auto 28px;gap:18px;align-items:center;width:100%;min-height:154px;padding:24px;border:1px solid #d7e5eb;border-radius:22px;background:#fff;text-align:left;color:#163d55;box-shadow:0 10px 34px #244f6510;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.subject-card:hover{transform:translateY(-3px);border-color:var(--subject);box-shadow:0 16px 42px #244f6520}.subject-card-icon,.subject-heading-icon{display:grid;place-items:center;background:var(--subject-soft);color:var(--subject);font-weight:900}.subject-card-icon{width:66px;height:66px;border-radius:19px;font-size:2rem}.subject-card-body{display:flex;flex-direction:column;gap:7px}.subject-card-body strong{font-size:1.25rem}.subject-card-body small{color:#6f8592;line-height:1.45;font-size:.86rem}.subject-card-progress{display:grid;grid-template-columns:auto auto;align-items:baseline;gap:4px 6px;min-width:88px}.subject-card-progress b{font-size:1.3rem;color:var(--subject)}.subject-card-progress small{font-size:.72rem;color:#728895}.subject-card-progress i{grid-column:1/3;height:5px;border-radius:10px;background:#e5edf0;overflow:hidden}.subject-card-progress em{display:block;height:100%;background:var(--subject)}.subject-card-arrow{color:var(--subject);font-size:1.4rem}.subject-blue{--subject:#377dca;--subject-soft:#e8f1fc}.subject-berry{--subject:#a34f8d;--subject-soft:#f7eaf4}.subject-cyan{--subject:#1681ad;--subject-soft:#e5f5fb}.subject-green{--subject:#3b8b63;--subject-soft:#e8f5ed}

.study-view{padding:28px 0 20px}.study-heading{display:grid;gap:18px;margin-bottom:24px}.back-button,.step-back{justify-self:start;border:0;background:none;color:#17749d;padding:4px 0;font-weight:800}.study-title-row{display:flex;align-items:center;gap:17px}.subject-heading-icon{width:58px;height:58px;border-radius:17px;font-size:1.7rem;flex:none}.study-title-row h1{font-size:clamp(2rem,3vw,2.8rem);margin-bottom:7px}.study-title-row .eyebrow{margin-bottom:6px}.topic-score{margin-left:auto;display:grid;place-items:center;min-width:26px;height:26px;border-radius:9px;background:#fff;color:#267a9e;font-size:.72rem;border:1px solid #d7e7ee}.topic-button.active .topic-score{background:#fff;border-color:#9ecfe2}.exercise-panel{min-height:570px}

.choice-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;margin:4px 0 24px}.choice-button{min-height:58px;padding:13px 16px;border:2px solid #cee0e8;border-radius:13px;background:#fff;color:#21465e;text-align:left;font-weight:800;line-height:1.35}.choice-button:hover:not(:disabled){border-color:#2384ad;background:#eef8fc}.choice-button.wrong-choice{border-color:#e0998f;background:#fff0ed;color:#a2443a}.choice-button.correct-choice{border-color:#65b88c;background:#e7f7ed;color:#226d49}.choice-button:disabled{cursor:default}.explanation-title{font-size:1.08rem;margin:0 0 13px;color:#123951;font-weight:800}

.profile-step{display:grid;gap:14px}.profile-grade-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.profile-grade-button{display:flex;align-items:center;gap:13px;border:2px solid #d2e2e9;background:#fff;border-radius:13px;padding:13px;color:#244a61;text-align:left}.profile-grade-button strong{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:#edf6f9;color:#12739c;font-size:1.2rem}.profile-grade-button span{font-weight:800}.profile-grade-button.selected{border-color:#2082ac;background:#edf8fc}.profile-grade-button.selected strong{background:#1681ad;color:#fff}

.subject-stats-list{grid-template-columns:1fr 1fr}.stats-subject{--subject:#1681ad;border:1px solid #d7e6ec;border-top:4px solid var(--subject);border-radius:14px;padding:14px}.stats-subject-heading{display:flex;align-items:center;gap:10px;margin-bottom:8px}.stats-subject-heading>span{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--subject-soft);color:var(--subject);font-weight:900}.stats-subject-heading h3{margin:0;font-size:1rem}.stats-subject-heading small{color:#728895;font-size:.72rem}.stats-subject .stats-row{grid-template-columns:28px 1fr auto}.stats-subject .stats-topic-name{font-size:.76rem}

@media(max-width:850px){.subject-grid{grid-template-columns:1fr}.subject-card{min-height:132px}.subject-stats-list{grid-template-columns:1fr}.study-title-row{align-items:flex-start}}
@media(max-width:620px){.site-shell{padding:0 14px}.site-header{gap:12px}.brand{font-size:1rem}.header-actions{width:auto;margin-left:auto}.header-stat-label{display:none}.header-stat-button{padding:9px}.profile-button{max-width:160px}.profile-meta strong,.profile-meta small{max-width:98px}.subject-home{padding:32px 0}.subject-grid{gap:12px}.subject-card{grid-template-columns:50px minmax(0,1fr) 22px;padding:17px;gap:13px;min-height:116px}.subject-card-icon{width:50px;height:50px;border-radius:14px;font-size:1.5rem}.subject-card-progress{display:none}.subject-card-body strong{font-size:1.05rem}.subject-card-body small{font-size:.78rem}.study-view{padding-top:20px}.subject-heading-icon{width:46px;height:46px;border-radius:13px}.study-title-row h1{font-size:1.8rem}.choice-list{grid-template-columns:1fr}.profile-grade-grid{grid-template-columns:1fr}.stats-card{padding:26px 17px}.stats-subject{padding:12px}}

/* Авторизация и личные кабинеты */
.auth-dialog{max-width:min(95vw,720px)}.cabinet-dialog{max-width:min(96vw,960px)}.cabinet-card{max-height:90vh;overflow:auto}.form-stack{display:grid;gap:11px}.form-stack label{margin-top:2px}.form-stack select{height:54px;border:2px solid #c8dde6;border-radius:12px;padding:10px 13px;background:#fff;color:#18324a;font:inherit;outline:none}.form-stack select:focus{border-color:#2184b2;box-shadow:0 0 0 4px #d4effb}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-grid>div{display:grid;gap:8px}.form-grid-three{grid-template-columns:1fr 1fr 1.4fr}.form-help{margin:0;color:#6c8391;font-size:.8rem;line-height:1.45}.success-message{color:#176b48;background:#e5f6ec;border-radius:8px;padding:10px 12px;margin:0}.cabinet-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}.cabinet-section{display:grid;gap:12px;border-top:1px solid #dce8ed;padding-top:20px}.cabinet-section h3,.admin-users-heading h3{margin:0;color:#143f57}.cabinet-section>p{margin:0;color:#647e8d}.compact-form{max-width:560px;padding:16px;border-radius:14px;background:#f4f9fb}.check-label{display:flex;align-items:center;gap:9px;font-weight:700!important}.check-label input{width:18px;height:18px;box-shadow:none}.admin-users-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:14px}.admin-users-heading input{max-width:360px;width:100%}.user-list{display:grid;gap:10px}.user-card{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:16px;border:1px solid #d8e6ec;border-radius:13px;padding:14px;background:#fff}.user-card>div:first-child{display:grid;gap:3px}.user-card small{color:#728995;line-height:1.35}.user-score{font-size:.82rem;color:#607987;white-space:nowrap}.user-score b{color:#1e8258}.admin-user-form{margin-top:8px;padding:20px;border:2px solid #bcdbe8;border-radius:16px;background:#f7fbfd}.form-actions{display:flex;justify-content:flex-end;gap:10px}.empty-state{padding:18px;background:#f3f8fa;border-radius:12px;color:#647e8d!important}.dialog-card input[type="search"]{font-size:1rem}
@media(max-width:700px){.form-grid,.form-grid-three{grid-template-columns:1fr}.cabinet-heading,.admin-users-heading{align-items:stretch;flex-direction:column}.user-card{grid-template-columns:1fr}.user-score{white-space:normal}.form-actions{flex-direction:column-reverse}.form-actions button{width:100%}}