.workspace-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(260px, 1fr); gap: 24px; align-items: start; }
.panel > h2 { margin-bottom: 14px; }
.panel > h3 { margin-bottom: 10px; }
.panel > p + .button, .panel > p + h2 { margin-top: 18px; }
.teacher-photo { object-fit: cover; border-radius: 12px; margin-block: 12px; }
.sidebar-link img { filter: brightness(0) invert(1); opacity: .8; }
.sidebar-link.is-active img { filter: none; opacity: 1; }
@media (max-width: 800px) { .sidebar:not(.is-open) { box-shadow: none; visibility: hidden; } }
.workspace-grid > .panel + .panel { margin-top: 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 17px; margin-bottom: 27px; }
.stat-card { padding: 21px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.stat-card .label-small { display: block; }
.stat-value { font-size: 32px; font-weight: 650; letter-spacing: -.05em; margin-top: 12px; display: block; }
.stat-card:nth-child(2) { background: #edf2e5; }
.stat-card:nth-child(3) { background: #fff7dc; }
.stat-card:nth-child(4) { background: #efedf5; }
.filter-bar { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 11px; margin-bottom: 22px; }
.filter-bar .field { flex: 1; min-width: 130px; }
.filter-bar .field.search-field { flex: 2; min-width: 190px; }
.filter-bar .field label { font-size: 11px; color: var(--muted); }
.filter-bar .field input, .filter-bar .field select { padding: 9px 11px; font-size: 13px; }
.tabs { display: flex; gap: 7px; padding: 4px; background: #e9eddf; border-radius: 9px; width: fit-content; margin-bottom: 24px; flex-wrap: wrap; }
.tabs a { display: block; padding: 8px 17px; text-decoration: none; font-size: 12px; border-radius: 6px; }
.tabs a[aria-current='page'] { background: #fff; box-shadow: 0 2px 5px #2633120b; font-weight: 650; }
.record-heading { display: flex; align-items: center; gap: 18px; margin-bottom: 24px; }
.record-avatar { display: grid; place-items: center; background: #e9efdc; border: 1px solid #dbe3cf; color: #617547; width: 72px; height: 72px; border-radius: 14px; font-size: 29px; font-weight: 600; flex-shrink: 0; }
.record-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 14px; }
.record-heading p { color: var(--muted); margin-top: 7px; font-size: 13px; }
.record-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; }
.record-list > li { padding: 18px 0; border-bottom: 1px solid var(--line); }
.record-list > li:first-child { padding-top: 0; }
.record-list > li:last-child { border-bottom: 0; padding-bottom: 0; }
.record-list a { font-weight: 600; font-size: 14px; text-decoration: none; }
.record-list p { color: var(--muted); font-size: 12px; margin-top: 6px; }
.record-list .status { margin-top: 8px; }
.form-panel { max-width: 900px; }
.filter-count { color: var(--muted); font-size: 12px; margin-bottom: 15px; }
.child-switcher { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 27px; }
.child-switcher a { padding: 10px 16px; border: 1px solid var(--line); background: #fff; border-radius: 8px; text-decoration: none; font-size: 13px; }
.child-switcher a[aria-current] { border-color: #92a078; background: #edf2e4; }
.lesson-item { display: flex; align-items: flex-start; gap: 17px; border: 1px solid var(--line); padding: 18px; border-radius: 10px; background: #fff; min-width: 0; }
.lesson-item + .lesson-item { margin-top: 13px; }
.date-tile { background: #eef2e4; color: #4d6837; border-radius: 8px; width: 53px; min-height: 58px; flex-shrink: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1.2; }
.date-tile strong { font-size: 22px; font-weight: 650; }
.date-tile small { font-size: 10px; margin-top: 4px; }
.lesson-item-content { min-width: 0; flex: 1; }
.lesson-item h3 { font-size: 15px; letter-spacing: -.015em; }
.lesson-item h3 a { text-decoration: none; }
.lesson-item p { font-size: 12px; color: var(--muted); margin-top: 5px; }
.lesson-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 11px; color: var(--muted); margin-top: 11px; }
.attachment-list { display: grid; gap: 12px; }
.attachment-link { display: flex; align-items: center; gap: 12px; text-decoration: none; padding: 14px; background: #f7f8f1; border: 1px solid var(--line); border-radius: 8px; }
.attachment-link img { width: 29px; height: 29px; object-fit: contain; }
.attachment-link strong { display: block; font-size: 13px; overflow-wrap: anywhere; }
.attachment-link small { display: block; color: var(--muted); font-size: 11px; }
.attachment-link > span:last-child { margin-left: auto; }
.timeline { list-style: none; padding: 0 0 0 17px; margin: 0; border-left: 1px solid #d7dec9; }
.timeline li { position: relative; padding: 0 0 23px 8px; }
.timeline li::before { content: ''; position: absolute; left: -22px; top: 7px; width: 8px; height: 8px; background: #9eaf83; border: 2px solid #fff; border-radius: 50%; }
.timeline li:last-child { padding-bottom: 0; }
.timeline p, .timeline time { color: var(--muted); font-size: 11px; margin-top: 5px; display: block; }
.timeline .timeline-comment { color: var(--ink); font-size: 12px; white-space: pre-wrap; }
.cluster-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 17px; margin-bottom: 26px; }
.cluster-card { padding: 21px; border: 1px solid var(--line); background: #fff; border-radius: 11px; text-decoration: none; }
.cluster-card h3 { font-size: 16px; min-height: 38px; }
.cluster-stats { display: flex; flex-wrap: wrap; gap: 19px; margin-top: 21px; }
.cluster-stats span { font-size: 10px; color: var(--muted); }
.cluster-stats strong { display: block; color: var(--ink); font-size: 22px; }
.attendance-select { min-width: 155px; border: 1px solid var(--line); padding: 8px; border-radius: 6px; background: #fff; font-size: 12px; }
.split-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 8px; }
.tag { background: #eef0e7; color: #526345; border-radius: 5px; padding: 4px 8px; font-size: 11px; }
@media (max-width: 1100px) { .workspace-grid { grid-template-columns: 1fr; } .stats-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media (max-width: 540px) { .stats-grid { gap: 12px; } .stat-card { padding: 17px; } .stat-value { font-size: 28px; } .filter-bar { padding: 16px; } .filter-bar .field { flex-basis: 100%; } .filter-bar .button { flex: 1; } .cluster-grid { grid-template-columns: 1fr; } .record-heading { align-items: flex-start; gap: 14px; } .record-avatar { width: 54px; height: 54px; font-size: 23px; } .lesson-item { padding: 15px; gap: 12px; } .date-tile { width: 44px; min-height: 53px; } .split-heading { flex-direction: column; align-items: flex-start; gap: 15px; } }
.preserve-lines { white-space: pre-wrap; overflow-wrap: anywhere; }
.profile-photo { max-width: 140px; height: auto; border-radius: 12px; }
.details-grid { display: grid; grid-template-columns: minmax(90px,1fr) minmax(0,2fr); gap: 12px; margin-block: 20px; }
.details-grid dt { color: var(--muted); }
.details-grid dd { margin: 0; overflow-wrap: anywhere; }
@media print { .sidebar,.workspace-header,.form-actions,form,.skip-link { display:none!important; } .workspace-shell { margin:0; } .workspace-main { padding:0; } .panel { box-shadow:none; break-inside:avoid; } }