/* 2.5 additions are scoped; the established application stylesheet is unchanged. */
.achievement-fields{border:0;padding:0;margin:0;min-width:0}
.achievement-fields:disabled{opacity:.85}
.field-invalid input,.field-invalid select,.field-invalid textarea,.student-select.field-invalid select{border-color:#b42332!important;box-shadow:0 0 0 1px #b42332}
.dropzone.field-invalid{border-color:#b42332}
.field-error{color:#a4192b!important;display:block;margin:5px 0 9px;line-height:1.45}
.form-error-summary{margin:14px 0}
.form-error-summary .text-button{display:block;white-space:normal;text-align:left;line-height:1.5;margin-top:6px;color:inherit}
.participant-sno{margin:14px 0;padding:14px 16px;border:1px solid #e0e6ed;border-radius:10px}
.participant-sno h4{margin:0 0 12px;font-size:13px}
.sno-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 14px;padding:12px 0;border-top:1px solid #e6ecf1}
.sno-row>strong,.sno-row>small{grid-column:1/-1;overflow-wrap:anywhere}
.sno-row>strong{font-size:13px;margin-bottom:8px}
.proposal-field{align-items:flex-start;margin:10px 0;overflow-wrap:anywhere}
.proposal-field input{margin-top:4px}
.antistress{max-width:980px}
.game-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:16px 0 24px}
.game-choice{appearance:none;background:#fff;border:1px solid #dfe5ed;border-radius:10px;padding:14px 16px;cursor:pointer;text-align:left;font:inherit;color:inherit}
.game-choice.active{border-color:#264963;background:#f1f5f8}
.game-choice strong,.game-choice span{display:block}
.game-choice span{font-size:12px;color:#62768a;margin-top:5px}
.game-layout{display:grid;grid-template-columns:minmax(0,400px) minmax(180px,1fr);gap:26px;align-items:start}
.game-score{display:flex;justify-content:space-between;gap:8px;margin-bottom:10px;font-size:12px;font-variant-numeric:tabular-nums}
.game-board{position:relative;background:#f8fafb;border:1px solid #dfe5ed;border-radius:10px;overflow:hidden}
.game-board canvas{display:block;width:100%;height:auto;aspect-ratio:4/5;touch-action:none;outline-offset:-3px}
.game-board canvas:focus-visible{outline:2px solid #416c8f}
.game-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;background:rgba(248,250,251,.88);pointer-events:none;text-align:center;padding:20px}
.game-overlay strong{font-size:24px;font-weight:600;color:#233c57}
.game-overlay p{font-size:13px;color:#62768a}
.game-buttons{margin:14px 0;flex-wrap:wrap}
.game-buttons .button{font-size:12px;padding:10px 13px}
.game-controls{text-align:center;touch-action:none;user-select:none}
.game-controls>div{display:flex;justify-content:center;gap:7px;margin:5px 0}
.game-touch{min-width:68px;min-height:44px;touch-action:none;margin:0 3px}
.game-help{padding:20px;background:white;border:1px solid #e0e6ed;border-radius:10px;font-size:13px;line-height:1.6;overflow-wrap:anywhere}
.game-help h3{margin:0 0 12px}
.game-help .text-button{white-space:normal;text-align:left}
@media(max-width:650px){.game-layout{grid-template-columns:minmax(0,1fr)}.game-play{max-width:400px;width:100%;margin:auto}.game-choices{gap:6px;margin-bottom:16px}.game-choice{padding:10px 8px}.game-choice strong{font-size:12px}.game-choice span{font-size:10px}.sno-row{grid-template-columns:minmax(0,1fr)}.game-help{padding:16px}}
@media(prefers-reduced-motion:reduce){.antistress *{scroll-behavior:auto!important}}
/* 2.6 access lifecycle; no changes to scientific layouts. */
.access-fields{border:0;padding:0;margin:0;min-width:0}.access-links,.access-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:16px}.access-admin{margin-bottom:20px}.access-admin .panel-heading{gap:16px}.access-feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}.access-feature-grid label{display:flex;gap:8px;align-items:start}.access-feature-grid input[type=checkbox]{width:16px;height:16px;flex:0 0 16px}.security-panel{max-width:620px;margin:0 auto}.security-panel img{display:block;max-width:100%;height:auto;margin:16px auto}.secret-key{display:block;overflow-wrap:anywhere;padding:12px;background:#f0f3f7;margin-bottom:16px}.recovery-codes{font-family:monospace;width:100%;font-size:14px;min-height:250px}.security-gate{max-width:720px;margin:40px auto;padding:28px}.security-panel summary{cursor:pointer;font-weight:600}.security-panel details{margin-top:22px}.login-form fieldset:disabled{opacity:.7}@media(max-width:600px){.access-feature-grid{grid-template-columns:1fr}.security-gate{margin:12px;padding:16px}.access-admin .panel-heading{display:block}.access-actions .button{white-space:normal}}
/* Author methodology v2: formulas and source links remain readable on mobile. */
.method-text{line-height:1.65;max-width:100%;overflow-wrap:anywhere}
.method-text code{white-space:normal;overflow-wrap:anywhere;background:#f0f4fa;padding:2px 5px;border-radius:4px}
.method-text h2,.method-text h3{margin-top:24px}
.assessment .panel{margin-bottom:18px}
.assessment .panel-heading{flex-wrap:wrap;gap:12px}
.assessment .form-grid>*{min-width:0}
.assessment select,.assessment input,.assessment textarea{max-width:100%}
.assessment .table-wrap{max-width:100%;overflow-x:auto}
.assessment .small{overflow-wrap:anywhere}

/* Department identity: retain the square emblem beside longer Russian text. */
.brand-symbol{flex-shrink:0}
.sidebar .brand>div:last-child{min-width:0}

/* Three title lines stay within the 41px emblem at every breakpoint. */
.brand strong.brand-name{font-size:13px;line-height:13px;letter-spacing:0}
.brand.login-brand .brand-symbol{width:41px;height:41px}