.admin-classroom-planning-container {
    max-width: 1180px;
}

.admin-classroom-planning-hero {
    margin-bottom: 24px;
    overflow: hidden;
}

.admin-classroom-planning-hero-body {
    display: grid;
    gap: 24px;
}

.admin-classroom-planning-hero-copy {
    display: block;
    width: 100%;
    max-width: 760px;
    min-width: 0;
    justify-self: start;
}

.admin-classroom-planning-kicker {
    margin-bottom: 14px;
}

.admin-classroom-planning-hero-copy h1 {
    margin: 0 0 12px;
    font-size: clamp(2.3rem, 5vw, 3.8rem);
    line-height: 1.02;
    max-width: 12ch;
}

.admin-classroom-planning-hero-copy p {
    margin: 0;
    max-width: 720px;
    color: var(--muted);
    font-size: 1.08rem;
    line-height: 1.7;
}

.admin-classroom-planning-hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.admin-classroom-planning-stat {
    padding: 18px 20px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(124, 121, 184, 0.14);
    box-shadow: 0 14px 28px rgba(34, 42, 70, 0.08);
}

.admin-classroom-planning-stat span {
    display: block;
    color: var(--muted);
    font-size: 0.92rem;
    margin-bottom: 8px;
}

.admin-classroom-planning-stat strong {
    display: block;
    font-size: 1.35rem;
    line-height: 1.2;
    color: var(--text);
    word-break: break-word;
}

.admin-classroom-planning-filter-card {
    margin-bottom: 24px;
}

.admin-classroom-planning-filters {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr) auto;
    gap: 18px;
    align-items: end;
}

.admin-classroom-planning-search-field input {
    width: 100%;
}

.admin-classroom-planning-list {
    display: grid;
    gap: 18px;
}

.admin-classroom-planning-card {
    border-radius: 30px;
    overflow: hidden;
}

.admin-classroom-planning-card[open] {
    box-shadow: 0 22px 36px rgba(34, 42, 70, 0.12);
}

.admin-classroom-planning-summary {
    list-style: none;
    cursor: pointer;
    padding: 26px 28px 24px;
    background:
        radial-gradient(circle at top right, rgba(124, 121, 184, 0.10), transparent 38%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 255, 0.96));
}

.admin-classroom-planning-summary::-webkit-details-marker {
    display: none;
}

.admin-classroom-planning-summary-main {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
}

.admin-classroom-planning-summary-copy h2 {
    margin: 0 0 6px;
}

.admin-classroom-planning-summary-copy p {
    margin: 0;
}

.admin-classroom-planning-summary-chips {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.admin-classroom-planning-summary-toggle {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(124, 121, 184, 0.10);
    color: var(--primary-dark);
    font-size: 0.84rem;
    font-weight: 800;
}

.admin-classroom-planning-card[open] .admin-classroom-planning-summary-toggle::after {
    content: "↑";
    margin-left: 8px;
}

.admin-classroom-planning-card:not([open]) .admin-classroom-planning-summary-toggle::after {
    content: "↓";
    margin-left: 8px;
}

.admin-classroom-planning-summary-meta {
    margin-top: 18px;
}

.admin-classroom-planning-current {
    border-radius: 22px;
}

.admin-classroom-planning-details-body {
    padding-top: 0;
}

.admin-classroom-planning-panels {
    display: grid;
    grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.05fr);
    gap: 18px;
    align-items: stretch;
}

.admin-classroom-planning-panel {
    padding: 18px;
    border-radius: 24px;
    background: rgba(124, 121, 184, 0.04);
    border: 1px solid rgba(124, 121, 184, 0.10);
    min-height: 100%;
}

.admin-classroom-planning-panel-heading {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 12px;
    align-items: start;
    margin-bottom: 16px;
}

.admin-classroom-planning-panel-heading h3 {
    margin: 0 0 4px;
}

.admin-classroom-planning-panel-heading p {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.admin-classroom-planning-panel-icon {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-size: 1.25rem;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(124, 121, 184, 0.12);
}

.admin-classroom-planning-field-stack,
.admin-classroom-planning-schedule {
    display: grid;
    gap: 16px;
}

.admin-classroom-planning-volunteers {
    display: grid;
    gap: 12px;
}

.admin-classroom-planning-volunteer-picker {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    max-height: 290px;
    overflow-y: auto;
    padding: 4px 4px 8px;
}

.admin-classroom-planning-teacher-picker {
    display: grid;
    gap: 10px;
    max-height: 180px;
    overflow-y: auto;
    padding-right: 4px;
}

.admin-classroom-planning-teacher-card,
.admin-classroom-planning-volunteer-card {
    position: relative;
    width: 100%;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.94);
    cursor: pointer;
    transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.admin-classroom-planning-teacher-card:hover,
.admin-classroom-planning-volunteer-card:hover {
    transform: translateY(-2px);
    border-color: rgba(124, 121, 184, 0.20);
    box-shadow: 0 12px 24px rgba(34, 42, 70, 0.08);
}

.admin-classroom-planning-teacher-card input,
.admin-classroom-planning-volunteer-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.admin-classroom-planning-teacher-card:has(input:checked),
.admin-classroom-planning-volunteer-card:has(input:checked) {
    border-color: rgba(124, 121, 184, 0.18);
    background: linear-gradient(135deg, rgba(124, 121, 184, 0.09), rgba(124, 121, 184, 0.03));
    box-shadow: 0 10px 20px rgba(34, 42, 70, 0.08);
}

.admin-classroom-planning-teacher-avatar,
.admin-classroom-planning-volunteer-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(124, 121, 184, 0.85), rgba(124, 121, 184, 0.58));
    color: white;
    font-weight: 800;
    font-size: 1.1rem;
    border: 1px solid rgba(124, 121, 184, 0.16);
}

.admin-classroom-planning-teacher-avatar img,
.admin-classroom-planning-volunteer-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.admin-classroom-planning-teacher-copy {
    display: grid;
    gap: 3px;
    min-width: 0;
}

.admin-classroom-planning-teacher-copy strong {
    line-height: 1.2;
}

.admin-classroom-planning-teacher-copy span {
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.4;
    word-break: break-word;
}

.admin-classroom-planning-volunteer-name {
    font-weight: 700;
    color: var(--text);
    line-height: 1.25;
    word-break: break-word;
    text-align: left;
}

.admin-classroom-planning-teacher-card:has(input:checked) .admin-classroom-planning-teacher-avatar,
.admin-classroom-planning-volunteer-card:has(input:checked) .admin-classroom-planning-volunteer-avatar {
    box-shadow: 0 0 0 4px rgba(124, 121, 184, 0.10);
}

.admin-classroom-planning-teacher-card:has(input:checked) .admin-classroom-planning-teacher-copy strong::after,
.admin-classroom-planning-volunteer-card:has(input:checked) .admin-classroom-planning-volunteer-name::after {
    content: "Selected";
    display: inline-flex;
    margin-left: 10px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(124, 121, 184, 0.12);
    color: var(--primary-dark);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.01em;
    vertical-align: middle;
}

.admin-classroom-planning-teacher-card-empty .admin-classroom-planning-teacher-avatar {
    background: rgba(124, 121, 184, 0.10);
    color: var(--primary-dark);
}

.admin-classroom-planning-schedule-toggle {
    margin-bottom: 2px;
}

.admin-classroom-planning-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--text);
}

.admin-classroom-planning-checkbox input {
    width: 18px;
    height: 18px;
}

.admin-classroom-planning-schedule-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.admin-classroom-planning-actions {
    margin-top: 16px;
}

@media (max-width: 1180px) {
    .admin-classroom-planning-panels {
        grid-template-columns: 1fr;
    }

    .admin-classroom-planning-hero-stats {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 980px) {
    .admin-classroom-planning-filters,
    .admin-classroom-planning-schedule-grid {
        grid-template-columns: 1fr;
    }

    .admin-classroom-planning-summary-main {
        flex-direction: column;
    }

    .admin-classroom-planning-summary-chips {
        justify-content: flex-start;
    }
}

@media (max-width: 760px) {
    .admin-classroom-planning-hero-stats {
        grid-template-columns: 1fr;
    }

    .admin-classroom-planning-summary {
        padding: 22px 20px 20px;
    }
}