/*
 Modern LMS Calendar + Classic Navigation compatibility patch
 Rollback: remove this stylesheet link and revert calendar.php/layout main.php.
*/
.classic-lms-ui {
 --cal-bg:#f5f8fb; --cal-surface:#fff; --cal-text:#17212b; --cal-muted:#5b6775;
 --cal-primary:#174f78; --cal-primary-2:#236f9e; --cal-border:#c9d4de; --cal-focus:#ffbf47;
 --cal-danger:#9f1d1d; --cal-success:#1e6b3a; --cal-warning:#8a5a00;
}
.classic-lms-ui .lms-classic-nav{
 display:flex;align-items:center;gap:.45rem;flex-wrap:wrap;
 margin:.35rem 1.25rem 0;padding:.35rem .45rem;background:#102f49;border:1px solid #264f6d;
}
.classic-lms-ui .lms-classic-nav a,
.classic-lms-ui .lms-classic-nav button{
 display:inline-flex;align-items:center;justify-content:center;min-height:2.3rem;padding:.35rem .7rem;
 border:1px solid #d6e3ed;background:#1d5278;color:#fff!important;text-decoration:none!important;
 font:700 .92rem Arial,Helvetica,sans-serif;cursor:pointer;
}
.classic-lms-ui .lms-classic-nav a:hover,
.classic-lms-ui .lms-classic-nav button:hover{background:#fff;color:#123d5b!important;border-color:#fff}
.classic-lms-ui .lms-classic-nav a:focus-visible,
.classic-lms-ui .lms-classic-nav button:focus-visible{outline:3px solid var(--cal-focus);outline-offset:2px}
.classic-lms-ui .lms-nav-select-label{color:#dce8f2;font-size:.82rem;font-weight:700;margin-left:.15rem}
.classic-lms-ui .lms-nav-select{min-height:2.3rem!important;width:auto!important;max-width:13rem;background:#fff!important;color:#17212b!important;border:1px solid #d6e3ed!important;font-size:.9rem!important;padding:.3rem 1.8rem .3rem .5rem!important}
.classic-lms-ui .lms-classic-nav .current{margin-left:auto;color:#dce8f2;font-weight:700;font-size:.9rem}

.lms-calendar-page{max-width:1500px;margin:0 auto;background:var(--cal-bg);color:var(--cal-text);font-family:Arial,Helvetica,sans-serif}
.calendar-page-head{display:flex;justify-content:space-between;gap:1rem;align-items:center;background:var(--cal-surface);border:1px solid var(--cal-border);padding:1rem 1.1rem;margin-bottom:.75rem}
.calendar-page-head h1{margin:0;color:#123c59!important;font-size:clamp(1.45rem,1.2rem + .7vw,2rem)!important}
.calendar-page-head p{margin:.3rem 0 0;color:var(--cal-muted);font-size:.95rem}
.calendar-primary-action{background:var(--cal-primary);color:#fff!important;border:2px solid var(--cal-primary);padding:.65rem 1rem;font-weight:700;text-decoration:none!important;white-space:nowrap}
.calendar-primary-action:hover{background:#fff;color:var(--cal-primary)!important}
.calendar-view-tabs{display:flex;flex-wrap:wrap;gap:.35rem;background:#dfe8ef;border:1px solid var(--cal-border);padding:.35rem;margin-bottom:.75rem}
.calendar-view-tabs a{display:inline-flex;align-items:center;min-height:2.6rem;padding:.5rem .85rem;border:1px solid transparent;color:#153e5d!important;text-decoration:none!important;font-weight:700}
.calendar-view-tabs a:hover{background:#fff;border-color:#7f9db4}
.calendar-view-tabs a.active{background:#fff;border-color:#456d89;box-shadow:inset 0 -3px 0 var(--cal-primary);color:#0b314c!important}
.calendar-layout{display:grid;grid-template-columns:minmax(260px,320px) 1fr;gap:.85rem;align-items:start}
.calendar-side{display:flex;flex-direction:column;gap:.75rem}
.calendar-month-card,.calendar-summary-card,.calendar-events-card,.calendar-editor-card,.calendar-settings-card{background:#fff;border:1px solid var(--cal-border);padding:.8rem}
.calendar-month-nav{display:grid;grid-template-columns:2.4rem 1fr 2.4rem;align-items:center;text-align:center;background:#215f8d;color:#fff;margin:-.8rem -.8rem .65rem}
.calendar-month-nav a{display:grid;place-items:center;min-height:2.7rem;color:#fff!important;text-decoration:none!important;font-size:1.35rem;font-weight:700}
.calendar-month-nav a:hover{background:#123f62}
.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);border-left:1px solid #b7c8d5;border-top:1px solid #b7c8d5}
.calendar-dow,.calendar-day{min-height:2.35rem;border-right:1px solid #b7c8d5;border-bottom:1px solid #b7c8d5;display:flex;align-items:center;justify-content:center}
.calendar-dow{background:#4a8fc5;color:#fff;font-weight:700}
.calendar-day{position:relative;background:#fff;color:#17324a!important;text-decoration:none!important}
.calendar-day:hover{background:#e7f3fb}
.calendar-day.today{box-shadow:inset 0 0 0 3px #ff8c00}
.calendar-day.selected{background:#dbeaf5;font-weight:700}
.calendar-day small{position:absolute;right:.15rem;top:.1rem;min-width:1.1rem;height:1.1rem;border-radius:50%;display:grid;place-items:center;background:#174f78;color:#fff;font-size:.65rem}
.calendar-day.empty{background:#f4f6f8}
.calendar-today-link{display:block;text-align:center;margin-top:.55rem;background:#edf4f9;border:1px solid #b8cad7;padding:.45rem;color:#154461!important;font-weight:700;text-decoration:none!important}
.calendar-summary-card{display:flex;flex-direction:column;gap:.3rem}.calendar-summary-card h2{font-size:1rem!important;margin:0;color:#173e5a!important}.calendar-summary-card span{color:var(--cal-muted);font-size:.9rem}
.calendar-main{min-width:0;display:flex;flex-direction:column;gap:.75rem}
.calendar-events-toolbar{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:.7rem}.calendar-events-toolbar h2{margin:0;color:#173e5a!important}
.calendar-search-wrap{display:flex;flex-direction:column;gap:.25rem;min-width:min(100%,280px)}.calendar-search-wrap label{font-size:.78rem!important;font-weight:700}.calendar-search-wrap input{width:100%}
.calendar-table-wrap{overflow:auto}.calendar-events-table{min-width:900px}
.calendar-events-table th{background:#9fb7c9!important;color:#233849!important}.calendar-events-table td{vertical-align:top!important}
.calendar-muted{color:var(--cal-muted)!important;font-size:.8rem!important}
.calendar-badge,.calendar-status{display:inline-flex;align-items:center;padding:.25rem .45rem;border:1px solid currentColor;font-weight:700;font-size:.75rem;background:#fff}
.calendar-badge.lesson{color:#17603a}.calendar-badge.test,.calendar-badge.deadline{color:#7a5200}.calendar-badge.holiday{color:#8b1d1d}.calendar-badge.meeting{color:#1e4f8c}
.status-published{color:#17603a}.status-draft{color:#7a5200}.status-cancelled{color:#8b1d1d;text-decoration:line-through}
.calendar-tools{display:flex;gap:.35rem;align-items:center}.calendar-tools form{display:inline}.calendar-tools a,.calendar-tools button{min-height:2rem!important;padding:.25rem .45rem!important;font-size:.78rem!important}
.calendar-empty-state{text-align:center;padding:2rem!important;color:var(--cal-muted)!important}
.calendar-editor-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--cal-border);padding-bottom:.45rem;margin-bottom:.65rem}.calendar-editor-head h2{margin:0;color:#173e5a!important}.calendar-editor-head button{min-width:2.2rem;padding:.2rem!important;font-size:1.35rem!important}
.calendar-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}.calendar-form.compact{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:.75rem}.calendar-field{display:flex;flex-direction:column;gap:.25rem}.calendar-field.full{grid-column:1/-1}.calendar-field label{font-size:.82rem!important;font-weight:700!important}.calendar-check{display:flex!important;flex-direction:row!important;align-items:center;gap:.45rem}.calendar-form-actions{grid-column:1/-1;display:flex;gap:.45rem}.calendar-form-actions button{min-height:2.5rem!important}
.calendar-settings-card details>summary{cursor:pointer;font-weight:700;color:#173e5a;padding:.25rem}
.calendar-notice{border-left:4px solid;padding:.65rem .8rem;margin-bottom:.7rem;background:#fff}.calendar-notice.success{border-color:var(--cal-success);color:#174a2b}.calendar-notice.error{border-color:var(--cal-danger);color:#781616}
.lms-calendar-page a:focus-visible,.lms-calendar-page button:focus-visible,.lms-calendar-page input:focus-visible,.lms-calendar-page select:focus-visible,.lms-calendar-page textarea:focus-visible,.lms-calendar-page summary:focus-visible{outline:3px solid var(--cal-focus);outline-offset:2px}
@media(max-width:950px){.calendar-layout{grid-template-columns:1fr}.calendar-side{display:grid;grid-template-columns:minmax(260px,1fr) minmax(220px,.65fr)}}
@media(max-width:680px){.calendar-page-head,.calendar-events-toolbar{align-items:stretch;flex-direction:column}.calendar-side{display:flex}.calendar-form,.calendar-form.compact{grid-template-columns:1fr}.calendar-field.full,.calendar-form-actions{grid-column:1}.calendar-view-tabs a{flex:1 1 calc(50% - .35rem);justify-content:center}.calendar-page-head{padding:.8rem}.calendar-events-card,.calendar-editor-card,.calendar-settings-card{padding:.6rem}}
@media(max-width:430px){.calendar-view-tabs a{flex-basis:100%}.calendar-grid{font-size:.82rem}.calendar-dow,.calendar-day{min-height:2.1rem}.classic-lms-ui .lms-classic-nav .current{width:100%;margin-left:0}}
@media(forced-colors:active){.calendar-badge,.calendar-status,.calendar-day.today{border:2px solid ButtonText}.lms-calendar-page :focus-visible{outline:3px solid Highlight}}