:root{--background: oklch(.99 .005 100);--foreground: oklch(.2 .02 60);--card: oklch(1 0 0);--card-foreground: oklch(.2 .02 60);--primary: oklch(.65 .15 45);--primary-foreground: oklch(1 0 0);--secondary: oklch(.96 .01 60);--secondary-foreground: oklch(.3 .02 60);--muted: oklch(.97 .005 60);--muted-foreground: oklch(.5 .02 60);--destructive: oklch(.577 .245 27.325);--destructive-foreground: oklch(1 0 0);--border: oklch(.92 .01 60);--input: oklch(.95 .01 60);--ring: oklch(.65 .15 45);--sidebar: oklch(.98 .01 60);--sidebar-foreground: oklch(.25 .02 60);--sidebar-border: oklch(.9 .01 60);--accent-gold: oklch(.75 .13 85);--accent-fire: oklch(.65 .19 35);--radius: 8px;--shadow-soft: 0 10px 30px rgba(0, 0, 0, .04)}.dialog{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:50}.dialog__backdrop{position:absolute;inset:0;background:#0006;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.dialog__panel{position:relative;width:min(420px,90vw);background:var(--card);color:var(--card-foreground);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:20px;box-shadow:0 10px 30px #00000059}.dialog__header{display:flex;flex-direction:column;gap:8px}.dialog__title{font-size:18px;font-weight:700;margin:0}.dialog__description{margin:0;color:var(--muted-foreground);font-size:14px}.dialog__footer{margin-top:16px;display:flex;justify-content:flex-end;gap:8px}.dialog__icon{width:36px;height:36px;border-radius:50%;background:#ff63471a;color:tomato;display:inline-flex;align-items:center;justify-content:center}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:Montserrat,system-ui,-apple-system,Segoe UI,sans-serif;background:var(--background);color:var(--foreground)}a{color:inherit;text-decoration:none}.layout{display:flex;min-height:100vh}.layout__main{flex:1;margin-left:260px;padding:16px 32px}.sidebar{position:fixed;inset:0 auto 0 0;width:260px;background:var(--sidebar);border-right:1px solid var(--sidebar-border);display:flex;flex-direction:column;gap:16px;padding:16px 0}.sidebar__logo{font-weight:700;font-size:20px;color:var(--sidebar-foreground);padding-bottom:16px;display:flex;justify-content:center;align-items:center;border-bottom:1px solid var(--sidebar-border)}.sidebar__nav{display:flex;flex-direction:column;gap:8px;flex:1;padding-left:20px;padding-right:20px}.sidebar__link{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;color:var(--sidebar-foreground);border:1px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease}.sidebar__link:not(.sidebar__link--active):hover{background:var(--secondary);color:var(--foreground)}.sidebar__link--active{background:linear-gradient(135deg,var(--accent-gold),var(--accent-fire));color:var(--primary-foreground);box-shadow:var(--shadow-soft)}.sidebar__icon{color:currentColor}.page{display:flex;flex-direction:column;gap:20px}.page__header{display:flex;justify-content:space-between;align-items:center;gap:16px}.page__actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.page__actions .input,.page__actions .select{width:auto;min-width:150px;max-width:auto}.page__header .input,.page__header .select{width:auto;max-width:auto;min-width:100px}.page__title{margin:0;font-size:28px;font-weight:700}.page__subtitle{margin:6px 0 0;color:var(--muted-foreground)}.page__grid{display:grid;gap:20px}.page__stack{display:flex;flex-direction:column;gap:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:var(--radius);border:1px solid transparent;background:var(--primary);color:var(--primary-foreground);font-weight:600;font-size:14px;cursor:pointer;transition:transform .1s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;box-shadow:var(--shadow-soft);flex-shrink:0}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn--secondary{background:var(--secondary);color:var(--secondary-foreground);border-color:var(--border)}.btn--outline{background:transparent;color:var(--foreground);border-color:var(--border);box-shadow:none}.btn--ghost{background:transparent;color:var(--foreground);border-color:transparent;box-shadow:none}.btn--destructive{background:var(--destructive);color:var(--destructive-foreground)}.btn--link{background:none;box-shadow:none;padding:0;border:none;color:var(--primary);text-decoration:underline}.btn--lg{padding:12px 18px;font-size:15px}.btn--sm{padding:8px 12px;font-size:13px}.btn--icon{width:38px;height:38px;padding:0}.btn--full{width:100%}.btn--gradient{background:linear-gradient(135deg,var(--accent-gold),var(--accent-fire));color:var(--primary-foreground);border:none}.card{background:var(--card);color:var(--card-foreground);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-soft)}.card__header{display:flex;justify-content:space-between;gap:12px;padding:20px 24px 10px}.card__header-content{display:flex;flex-direction:column;gap:6px}.card__header-actions{display:flex;align-items:center;gap:8px}.card__title{margin:0;font-size:18px;font-weight:700}.card__description{margin:0;color:var(--muted-foreground);font-size:14px}.card__content{padding:12px 24px 20px;display:flex;flex-direction:column;gap:14px}.card__footer{padding:12px 24px 20px}.input,.select{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:var(--card);font-size:14px;color:var(--foreground);transition:border-color .2s ease,box-shadow .2s ease}.input:focus,.select:focus{outline:none;border-color:var(--ring);box-shadow:0 0 0 3px color-mix(in srgb,var(--ring) 20%,transparent)}.select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted-foreground) 50%),linear-gradient(135deg,var(--muted-foreground) 50%,transparent 50%);background-position:calc(100% - 18px) calc(50% - 3px),calc(100% - 12px) calc(50% - 3px);background-size:6px 6px,6px 6px;background-repeat:no-repeat}.select--combobox::-webkit-calendar-picker-indicator{appearance:none!important;display:none!important}.select--full{width:100%}.form{display:flex;flex-direction:column;gap:14px}.form__field{display:flex;flex-direction:column;gap:8px}.form-label{font-weight:600;font-size:14px}.form__actions{display:flex;gap:12px}.form__actions--end{justify-content:flex-end}.auth{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 20%,#fff4e6,transparent 35%),radial-gradient(circle at 80% 0%,#ffe9d6,transparent 30%),var(--background)}.auth__card{width:min(460px,100%)}.auth__card .error{text-align:center;margin:0}.auth__header{justify-content:center;text-align:center;align-items:center}.auth__title{font-size:26px}.auth__description{color:var(--muted-foreground)}.auth__submit{margin-top:4px}.list{display:flex;flex-direction:column;gap:12px}.list--dense{gap:10px}.list__row{display:flex;gap:12px}.list__row-wrapper{display:flex;flex-direction:column;gap:4px}.badge{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--accent-gold),var(--accent-fire));color:var(--primary-foreground);font-weight:700;display:grid;place-items:center;flex-shrink:0}.muted{color:var(--muted-foreground);font-size:14px}.error{color:var(--destructive);font-size:14px;margin:0}.switch{display:inline-flex;align-items:center;gap:10px;position:relative}.switch__label{font-weight:600}.switch__input{position:absolute;inset:0;width:1px;height:1px;opacity:0}.switch__track{position:relative;width:48px;height:26px;background:var(--input);border-radius:999px;border:1px solid var(--border);transition:background .2s ease,border-color .2s ease}.switch__input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer;z-index:2}.switch__thumb{position:absolute;top:2px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--card);box-shadow:0 2px 6px #00000029;transition:transform .2s ease}.switch__input:checked+.switch__track{background:var(--primary);border-color:var(--primary)}.switch__input:checked+.switch__track .switch__thumb{transform:translate(20px)}.switch--disabled{opacity:.6;pointer-events:none}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.switch-row__label{font-size:15px;font-weight:600}.schedule{gap:24px}.schedule__day{display:flex;flex-direction:column;gap:12px}.schedule__day-title{margin:0;font-size:22px;font-weight:700}.schedule__content{gap:18px}.schedule__section{display:flex;flex-direction:column;gap:12px}.schedule__section-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.schedule__section-title{margin:0;font-size:16px;font-weight:700}.schedule__lessons{display:flex;flex-direction:column;gap:12px}.lesson{display:flex;gap:12px}.lesson__grid{flex-grow:1;display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr));border:1px solid var(--border);border-radius:12px;padding:14px;background:var(--card)}.lesson__actions{display:flex;flex-direction:column;justify-content:space-between;gap:12px}.lession__actions-sort{display:flex;flex-direction:column;gap:12px}@media(max-width:960px){.layout{flex-direction:column}.layout__main{margin-left:0;padding:20px}.sidebar{position:static;width:100%;flex-direction:row;align-items:center;flex-wrap:wrap}.sidebar__logo{display:none}.sidebar__nav{flex-direction:row;flex-wrap:wrap}.sidebar__footer{width:100%}}