:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;font-synthesis:none;--navy-950: #020a2b;--navy-900: #071333;--navy-800: #10214a;--blue-700: #0e43d5;--blue-600: #1468e8;--blue-500: #2f7af3;--blue-200: #b9d4ff;--cyan-300: #76e6f7;--neutral-0: #ffffff;--neutral-50: #f4f7fb;--neutral-100: #eaf0f7;--neutral-200: #d6dfeb;--neutral-400: #71819b;--neutral-600: #526079;--neutral-900: #14213d;--green-700: #167a4b;--amber-700: #a15c00;--red-700: #b42318;--info-700: #075985;--font-xs: .75rem;--font-sm: .875rem;--font-md: 1rem;--font-lg: 1.125rem;--font-xl: 1.375rem;--font-2xl: clamp(1.65rem, 3vw, 2.25rem);--line-tight: 1.2;--line-normal: 1.5;--weight-medium: 560;--weight-bold: 720;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--radius-sm: .5rem;--radius-control: .75rem;--radius-card: 1rem;--radius-dialog: 1.25rem;--duration-fast: .12s;--duration-normal: 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#fde8e6;--color-status-info: var(--info-700);--color-status-info-bg: #e1f2fb;--color-overlay: #020a2bb8;--shadow-card: 0 1px 2px #14213d0d, 0 8px 24px #14213d0a;--shadow-dialog: 0 24px 64px #020a2b40}:root[data-theme=dark]{--color-bg-canvas: #080f24;--color-bg-surface: #101a33;--color-bg-elevated: #172440;--color-bg-subtle: #1c2944;--color-bg-nav: #03091d;--color-bg-nav-hover: #172850;--color-text-primary: #f6f8fc;--color-text-secondary: #b9c5d8;--color-text-on-brand: #fff;--color-text-on-action: var(--navy-950);--color-border-default: #40516d;--color-border-strong: #7d8ca3;--color-action-primary: #73a7ff;--color-action-primary-hover: #9bc0ff;--color-action-soft: #183466;--color-focus: #76e6f7;--color-status-success: #72daa7;--color-status-success-bg: #123d2d;--color-status-warning: #ffd083;--color-status-warning-bg: #4b3211;--color-status-danger: #ffaaa3;--color-status-danger-bg: #4c211f;--color-status-info: #8bd8ff;--color-status-info-bg: #12364e;--color-overlay: #010516d6;--shadow-card: 0 1px 2px #00000040, 0 8px 24px #00000024;--shadow-dialog: 0 24px 64px #00000080}*{box-sizing:border-box}main,.content,.panel,.split,.settings-grid,.finance-grid,.form-grid,.profile>div,.student-card>div,.balance-row>span,.responsive-table,.mobile-row>div{min-width:0}html{background:var(--color-bg-canvas)}body{margin:0;color:var(--color-text-primary);background:var(--color-bg-canvas);line-height:var(--line-normal)}body.overlay-open{overflow:hidden}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled,input:disabled,select:disabled,textarea:disabled{cursor:not-allowed;opacity:.56}a{color:var(--color-action-primary)}:focus-visible{outline:3px solid var(--color-focus);outline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.shell{display:grid;grid-template-columns:var(--sidebar-width) minmax(0,1fr);min-height:100dvh}.sidebar{position:sticky;top:0;height:100dvh;padding:var(--space-6) var(--space-4);display:flex;flex-direction:column;color:var(--color-text-on-brand);background:var(--color-bg-nav);z-index:10}.sidebar>.sidebar-close{display:none}.brand{display:flex;align-items:center;gap:var(--space-3);min-width:0}.sidebar>.brand{margin:0 var(--space-2) var(--space-8)}.brand-logo-wrap{flex:0 0 auto;width:3rem;height:3rem;display:grid;place-items:center;color:var(--neutral-0)}.brand-logo-wrap img{display:block;width:100%;height:100%}.brand strong,.brand small{display:block}.brand strong{font-size:var(--font-lg);line-height:var(--line-tight)}.brand small{margin-top:2px;font-size:var(--font-xs);color:#c6d3ea}.brand.compact .brand-logo-wrap{width:2.75rem;height:2.75rem}.sidebar nav{display:grid;gap:var(--space-1)}.sidebar nav button{min-height:var(--target-min);border:0;border-radius:var(--radius-control);padding:0 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button,.link,.close{min-height:var(--target-min);border:0;background:transparent;color:var(--color-action-primary);border-radius:var(--radius-control)}.menu{display:none}.content{width:min(100%,var(--content-max));margin-inline:auto;padding:clamp(var(--space-4),3vw,var(--space-8));container:page / inline-size}.hero{padding:clamp(var(--space-5),4vw,var(--space-8));border-radius:var(--radius-dialog);display:flex;align-items:end;justify-content:space-between;gap:var(--space-5);color:var(--color-text-on-brand);background:linear-gradient(135deg,var(--navy-950),var(--blue-700));box-shadow:var(--shadow-card)}.hero h2{margin:var(--space-2) 0;font-size:var(--font-2xl);line-height:var(--line-tight)}.hero p{margin:0;color:#d5e0f2}.eyebrow{color:var(--color-accent);text-transform:uppercase;letter-spacing:.1em;font-size:var(--font-xs);font-weight:var(--weight-bold)}.primary,.secondary,.danger,.ds-button{min-height:var(--target-min);padding:.65rem var(--space-4);border:1px solid 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0;color:var(--color-text-secondary);font-size:var(--font-sm)}.toolbar,.actions,.row,.consents{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-2)}.actions{margin:var(--space-5) 0}label,.field{display:grid;gap:var(--space-2);color:var(--color-text-secondary);font-size:var(--font-sm);font-weight:var(--weight-medium)}.field-label{color:var(--color-text-primary);font-weight:var(--weight-bold)}input,select,textarea{width:100%;min-height:var(--target-min);border:1px solid var(--color-border-strong);border-radius:var(--radius-control);padding:.65rem var(--space-3);color:var(--color-text-primary);background:var(--color-bg-surface);outline:none}textarea{min-height:6rem;resize:vertical}input::placeholder,textarea::placeholder{color:var(--color-text-secondary);opacity:.86}input:focus,select:focus,textarea:focus{border-color:var(--color-focus);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-focus) 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var(--color-border-strong);border-radius:2rem;background:var(--color-bg-subtle)}.switch-track:after{content:"";position:absolute;top:2px;left:2px;width:1rem;height:1rem;border-radius:50%;background:var(--color-text-secondary);transition:transform var(--duration-fast) var(--ease-standard)}.switch input:checked+.switch-track{border-color:var(--color-action-primary);background:var(--color-action-primary)}.switch input:checked+.switch-track:after{transform:translate(1.1rem);background:var(--navy-950)}.form-section{display:grid;gap:var(--space-4);padding-block:var(--space-4);border-top:1px solid var(--color-border-default)}.form-section h3,.form-section p{margin:0}.form-section p{color:var(--color-text-secondary);font-size:var(--font-sm)}.editor{display:grid;gap:var(--space-4)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-3)}.compact-form{margin-top:var(--space-5);padding-top:var(--space-4);border-top:1px solid var(--color-border-default)}.compact-form h3,.compact-form h4{margin:0 0 var(--space-3)}.compact-form .row>input,.compact-form .row>select{flex:1 1 8rem}.consent-row{display:grid;grid-template-columns:8rem 1fr;align-items:center;gap:var(--space-3)}.error,.notice-banner,.alert{border:1px solid currentColor;border-radius:var(--radius-control);padding:var(--space-3);font-size:var(--font-sm);overflow-wrap:anywhere}.error,.alert.danger{color:var(--color-status-danger);background:var(--color-status-danger-bg)}.notice-banner,.alert.warning{color:var(--color-status-warning);background:var(--color-status-warning-bg)}.alert.info{color:var(--color-status-info);background:var(--color-status-info-bg)}.alert.success{color:var(--color-status-success);background:var(--color-status-success-bg)}.badge{min-height:1.75rem;padding:var(--space-1) var(--space-2);border-radius:999px;display:inline-flex;align-items:center;gap:.35rem;white-space:nowrap;color:var(--color-text-secondary);background:var(--color-bg-subtle);font-size:var(--font-xs);font-weight:var(--weight-bold)}.badge.good,.badge.success{color:var(--color-status-success);background:var(--color-status-success-bg)}.badge.bad,.badge.danger{color:var(--color-status-danger);background:var(--color-status-danger-bg)}.badge.warning{color:var(--color-status-warning);background:var(--color-status-warning-bg)}.badge.info{color:var(--color-status-info);background:var(--color-status-info-bg)}.status-symbol{width:.45rem;height:.45rem;border-radius:50%;background:currentColor}.toast-region{position:fixed;z-index:50;right:var(--space-4);bottom:var(--space-4);width:min(24rem,calc(100vw - 2rem));display:grid;gap:var(--space-2)}.state-message{min-height:12rem;display:grid;place-content:center;justify-items:center;gap:var(--space-3);color:var(--color-text-secondary);text-align:center}.error-state strong{color:var(--color-status-danger)}.center{min-height:100dvh;display:grid;place-content:center;gap:var(--space-3);text-align:center;color:var(--color-text-secondary)}.loader{width:2.5rem;height:2.5rem;border:4px solid var(--color-border-default);border-top-color:var(--color-action-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty{min-height:17rem;display:grid;place-content:center;justify-items:center;text-align:center;color:var(--color-text-secondary)}.empty>span{font-size:2rem;color:var(--color-action-primary)}.empty h2,.empty h3,.empty h4,.empty h5,.empty h6{margin:var(--space-2);color:var(--color-text-primary)}.empty p{max-width:22rem;margin:0;font-size:var(--font-sm)}.timeline{display:grid}.lesson-row{display:grid;grid-template-columns:3.5rem 1.5rem minmax(0,1fr) auto;align-items:center;padding:var(--space-3) 0}.lesson-row time{font-weight:var(--weight-bold)}.lesson-row .line{position:relative;height:2.75rem;border-left:2px solid var(--color-border-default)}.lesson-row .line:before{content:"";position:absolute;top:1.1rem;left:-5px;width:.5rem;height:.5rem;border-radius:50%;background:var(--color-accent)}.lesson-row p{margin:var(--space-1) 0 0;color:var(--color-text-secondary);font-size:var(--font-sm)}.split{display:grid;grid-template-columns:minmax(19rem,.8fr) minmax(25rem,1.2fr);gap:var(--space-4)}.list-panel{padding:0;overflow:hidden}.list-panel .panel-head{padding:var(--space-5) var(--space-5) 0}.search{width:calc(100% - 2.5rem);margin:0 var(--space-5) var(--space-3);background:var(--color-bg-subtle)}.student-card{width:100%;min-height:4.5rem;padding:var(--space-3) var(--space-5);border:0;border-top:1px solid var(--color-border-default);display:grid;grid-template-columns:2.75rem minmax(0,1fr) auto;align-items:center;gap:var(--space-3);text-align:left;color:var(--color-text-primary);background:var(--color-bg-surface)}.student-card:hover,.student-card.selected{background:var(--color-action-soft)}.student-card small,.student-card b{display:block;overflow-wrap:anywhere}.student-card small{margin-top:var(--space-1);color:var(--color-text-secondary);font-size:var(--font-xs)}.avatar{width:2.5rem;height:2.5rem;border-radius:var(--radius-control);display:grid;place-items:center;color:var(--color-action-primary);background:var(--color-action-soft);font-weight:var(--weight-bold);font-size:var(--font-xs)}.avatar.big{width:3.5rem;height:3.5rem;border-radius:var(--radius-card);font-size:var(--font-lg)}.profile{display:flex;align-items:center;gap:var(--space-3)}.profile h2,.profile h3,.profile p{margin:0;overflow-wrap:anywhere}.profile p{margin-top:var(--space-1);color:var(--color-text-secondary)}.profile button{margin-left:auto;flex:0 0 auto}.info-grid{margin:var(--space-5) 0;border:1px solid var(--color-border-default);border-radius:var(--radius-control);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));overflow:hidden;background:var(--color-border-default);gap:1px}.info-grid>div{min-width:0;padding:var(--space-3);background:var(--color-bg-subtle)}.info-grid small,.info-grid b{display:block;overflow-wrap:anywhere}.info-grid small{margin-bottom:var(--space-1);color:var(--color-text-secondary)}.negative{color:var(--color-status-danger)!important}.positive{color:var(--color-status-success)}.history{padding:var(--space-3) 0;border-top:1px solid var(--color-border-default);font-size:var(--font-sm);overflow-wrap:anywhere}.history span{float:right;color:var(--color-text-secondary)}.history p{margin:var(--space-1) 0;color:var(--color-text-secondary)}.calendar-head{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center}.calendar-head>h2{text-align:center}.segmented{padding:var(--space-1);border-radius:var(--radius-control);display:flex;background:var(--color-bg-subtle)}.segmented button{min-height:2.25rem;padding:var(--space-1) var(--space-3);border:0;border-radius:var(--radius-sm);color:var(--color-text-secondary);background:transparent;font-size:var(--font-xs)}.segmented button.active{color:var(--color-text-primary);background:var(--color-bg-elevated);box-shadow:var(--shadow-card)}.agenda{display:grid;grid-template-columns:repeat(7,minmax(8rem,1fr));gap:var(--space-2);margin-top:var(--space-4);overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-gutter:stable both-edges}.agenda.has-horizontal-overflow:after,.month.has-horizontal-overflow:after{content:"← Прокрутите →";position:sticky;right:var(--space-2);align-self:start;margin:var(--space-2);padding:var(--space-1) var(--space-2);border-radius:999px;pointer-events:none;color:var(--color-text-secondary);background:var(--color-bg-elevated);box-shadow:var(--shadow-card);font-size:var(--font-xs);white-space:nowrap}.day{min-height:26rem;padding:0;overflow:hidden}.day-title{padding:var(--space-3);border-bottom:1px solid var(--color-border-default);text-align:center;text-transform:capitalize}.day-title b,.day-title span{display:block}.day-title b{color:var(--color-text-secondary);font-size:var(--font-xs)}.day-title span{margin-top:var(--space-1);font-size:var(--font-lg)}.day-title.today span{width:2rem;height:2rem;margin:var(--space-1) auto 0;border-radius:50%;display:grid;place-items:center;color:var(--color-text-on-action);background:var(--color-action-primary)}.event{width:calc(100% - .75rem);min-height:var(--target-min);margin:.375rem;padding:var(--space-2);border:0;border-left:3px solid 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