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18px;color:#939db0;font-size:12px;font-weight:750}.admin-tab.active{color:#4c61d9;border-color:#5367df}.admin-only-note{font-size:11px;background:#fff9eb;border:1px solid #f7e4bc;padding:10px 13px;border-radius:9px;color:#af8a4d;margin-bottom:15px}.table-actions{display:flex;gap:7px}.btn-danger{color:#cb5f73;background:#fff0f3;border:1px solid #ffdee5}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:12px;font-weight:760;color:#4f5c76}.field input,.field select,.field textarea{width:100%;background:#fff;border:1px solid #e0e5ef;border-radius:9px;padding:11px 12px;color:#283651;font-size:12px;outline:none}.field textarea{min-height:100px;resize:vertical;line-height:1.7}.field input:focus,.field select:focus,.field textarea:focus{border-color:#687ae8;box-shadow:0 0 0 3px #6277ea12}.field-help{color:#99a5b5;font-size:10px}.modal-layer{position:fixed;inset:0;background:#0a133c99;z-index:99;display:flex;align-items:center;justify-content:center;padding:20px;overflow-y:auto}.modal-layer[hidden]{display:none}.modal-card{background:white;border-radius:17px;width:100%;max-width:520px;max-height:min(88vh,870px);overflow-y:auto;box-shadow:0 20px 65px #0c153644}.modal-head{padding:21px 25px;border-bottom:1px solid #e7eaf2;display:flex;justify-content:space-between;align-items:center}.modal-head h2{font-size:18px}.modal-content{padding:24px 25px}.modal-footer{border-top:1px solid #edf0f6;padding:15px 25px;display:flex;gap:9px;justify-content:flex-end}.detail-intro{font-size:13px;color:#65728c;line-height:1.9;margin-top:12px}.detail-facts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0}.detail-fact{background:#f8faff;border-radius:10px;padding:11px 14px}.detail-fact small{display:block;color:#97a3b8;margin-bottom:5px}.detail-fact strong{color:#42506a;font-size:12px}.muted-note{font-size:11px;color:#95a0b2;line-height:1.7}.toast-layer{position:fixed;bottom:24px;right:25px;z-index:120;display:flex;flex-direction:column;gap:7px}.toast{padding:12px 16px;background:#172b56;color:white;box-shadow:0 8px 25px #111c3b25;border-radius:10px;font-size:12px;font-weight:650;display:flex;align-items:center;gap:9px;animation:appear .2s ease}.toast svg{color:#a6f0c9;width:17px;height:17px}@keyframes appear{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.admin-empty{min-height:270px;display:flex;align-items:center;justify-content:center}.mobile-scrim[hidden]{display:none}
@media(max-width:1200px){.sidebar{width:222px;flex-basis:222px}.content{padding:30px 28px 40px}.topbar{padding:0 28px}.study-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-card{padding:15px}.stat-value{font-size:21px}.home-grid{grid-template-columns:minmax(0,1.45fr) minmax(240px,1fr)}}
@media(max-width:930px){.sidebar{position:fixed;height:100dvh;top:0;left:0;width:255px;transform:translateX(-100%);transition:transform .23s}.sidebar.mobile-visible{transform:translateX(0)}.mobile-scrim:not([hidden]){display:block;position:fixed;inset:0;background:#070e25a8;z-index:19}.menu-open{display:grid!important}.topbar{height:65px}.breadcrumbs span:first-child{display:none}.topbar-right{gap:9px}.today-label{display:none}.mode-toggle{padding:6px 9px}.content{padding:25px 25px 38px}.site-footer{margin:0 25px}.hero-graphic{margin-right:5px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-grid{grid-template-columns:1fr 1fr}}
@media(max-width:700px){h1{font-size:25px}.topbar{padding:0 15px}.content{padding:22px 15px 34px}.site-footer{margin:0 15px}.mode-toggle{font-size:9px}.breadcrumbs{font-size:11px;gap:5px}.topbar-right .avatar{display:none}.hero{padding:24px 22px;min-height:214px}.hero h1{font-size:25px}.hero-graphic{display:none}.stats-grid{gap:9px}.stat-card{gap:10px;min-height:89px;padding:12px}.stat-icon{height:38px;width:38px}.stat-value{font-size:21px}.home-grid{grid-template-columns:1fr;gap:16px}.stack-gap{gap:16px}.study-cards{grid-template-columns:1fr}.page-header{align-items:flex-start}.page-header h1{font-size:24px}.search-box{width:100%}.calendar-layout,.two-cols{grid-template-columns:1fr}.calendar-board{padding:14px}.calendar-days button{min-height:58px;padding:6px 5px}.calendar-weekdays,.calendar-days{gap:2px}.calendar-days .dot-row{gap:2px}.event-dot{width:4px;height:4px}.my-summary{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.my-summary .stat-card{align-items:flex-start;flex-direction:column}.my-summary .stat-icon{width:35px;height:35px}.page-header>.btn{padding:8px 11px;font-size:10px}.form-grid{grid-template-columns:1fr}.modal-card{max-height:90dvh}.modal-content{padding:18px}.modal-head{padding:17px 19px}.modal-footer{padding:13px 19px}}
@media(max-width:390px){.stats-grid .stat-card{padding:11px 8px}.stat-caption{font-size:10px}.stat-value{font-size:19px}.hero h1{font-size:23px}.hero-actions{flex-wrap:wrap}.site-footer span:last-child{display:none}.filter-pill{padding:7px 9px}}