/* Calendar toolbar sections (term + visibility) */

.calendar-toolbar-section {
    margin-bottom: 0;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--toolbar-section-border, var(--border-color));
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.calendar-toolbar-section__heading {
    margin: 0 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
    line-height: 1.3;
}

.toolbar-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1 1 160px;
    min-width: 0;
    padding: 10px 12px;
    background: var(--toolbar-field-bg, var(--input-bg));
    border: 1px solid var(--toolbar-field-border, var(--border-color));
    border-radius: 6px;
}

.toolbar-field label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    line-height: 1.25;
}

.toolbar-field input[type="text"],
.toolbar-field input[type="month"],
.toolbar-field select {
    width: 100%;
    padding: 8px 10px;
    font-family: var(--font-main);
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--text-primary);
}

.toolbar-field input[type="text"] {
    min-width: 0;
}

.toolbar-field input:focus,
.toolbar-field select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.term-selector__fields {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 10px;
}

.term-selector__footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-3);
    padding-top: 0;
    border-top: none;
}

.calendar-options .term-selector__footer {
    margin-top: var(--space-2);
}

.term-selector__footer:empty {
    display: none;
    margin: 0;
    padding: 0;
    border: none;
}

.kr-holidays-source-hint {
    flex: 1 1 100%;
    margin: 0;
    font-size: 0.75rem;
    color: var(--text-muted, #6b7280);
    line-height: 1.35;
}

.term-selector__footer #fetchKrHolidaysBtn {
    flex-shrink: 0;
}

@media (max-width: 900px) {
    .term-selector__footer #fetchKrHolidaysBtn {
        width: 100%;
    }
}

.calendar-visibility-dock {
    position: sticky;
    top: var(--app-chrome-sticky-top, 72px);
    z-index: var(--z-dropdown);
    margin: 0 0 12px;
    padding: 0.5rem 0.65rem;
    background: var(--top-bar-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.calendar-visibility-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 12px;
}

.calendar-visibility-bar__heading {
    margin: 0;
    flex: 0 0 auto;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    line-height: 1.3;
    white-space: nowrap;
}

.calendar-visibility-bar__controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 10px;
    flex: 1 1 auto;
    min-width: 0;
}

.calendar-visibility-bar .lesson-filter-btn {
    margin-left: 2px;
}

.calendar-context-menu {
    position: fixed;
    z-index: var(--z-context-menu);
    min-width: 200px;
    padding: var(--pad-popover);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.calendar-context-menu-item {
    display: block;
    width: 100%;
    padding: var(--pad-popover-body) var(--space-3);
    font-family: var(--font-main);
    font-size: 0.875rem;
    font-weight: 500;
    text-align: left;
    color: var(--text-primary);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.calendar-context-menu-item:hover,
.calendar-context-menu-item:focus {
    background: var(--bg-hover);
    outline: none;
}

.calendar-context-menu-date-row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 8px;
    padding: 6px 6px 8px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 4px;
}

.calendar-context-menu-date-label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1 1 140px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.calendar-context-menu-date-input {
    font-family: var(--font-main);
    font-size: 0.875rem;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--text-primary);
    width: 100%;
    box-sizing: border-box;
}

.event-bar--has-day-note {
    box-shadow: inset 3px 0 0 rgba(255, 255, 255, 0.85);
}

.event-bar--has-day-note::after {
    content: '';
    position: absolute;
    top: 4px;
    right: 4px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.25);
    pointer-events: none;
}

.day-note-modal-content,
.day-notes-summary-modal-content {
    display: flex;
    flex-direction: column;
    max-width: 520px;
    width: calc(100% - 2 * var(--pad-surface));
    overflow: hidden;
}

.day-note-modal-body,
.day-notes-summary-body {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.day-note-modal-body > label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--text-body-md);
    font-weight: 600;
}

.day-note-meta {
    margin: 0 0 var(--space-3);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.day-note-existing-list {
    margin-bottom: var(--space-3);
    padding: var(--pad-control-y-lg) var(--pad-control-x);
    background: var(--bg-subtle, var(--input-bg));
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.day-note-existing-list h3 {
    margin: 0 0 var(--space-2);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.day-note-existing-item {
    margin: 0 0 var(--space-2);
    font-size: 0.875rem;
}

.day-note-existing-item time {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted, var(--text-secondary));
    margin-bottom: 2px;
}

.day-note-mention {
    display: inline;
    padding: 0 0.2em;
    border-radius: 4px;
    background: var(--accent-muted, #dbeafe);
    color: var(--primary, #2563eb);
    font-weight: 500;
}

.day-note-mention-hint {
    margin-top: var(--space-1);
    margin-bottom: 0;
}

.day-note-mention-wrap {
    position: relative;
}

.day-note-mention-ghost {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    margin: 0;
    padding: var(--pad-control-y-lg) var(--pad-control-x);
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    box-sizing: border-box;
    font-family: var(--font-main);
    font-size: 0.9375rem;
    line-height: inherit;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow: hidden;
    pointer-events: none;
    color: var(--text-primary);
}

.day-note-mention-wrap .day-note-textarea {
    position: relative;
    z-index: 1;
}

.day-note-mention-wrap--ghost-active .day-note-mention-ghost {
    background: var(--input-bg);
}

.day-note-mention-wrap--ghost-active .day-note-textarea {
    background: transparent;
    color: transparent;
    caret-color: var(--text-primary);
}

.day-note-mention-ghost-suffix {
    color: var(--text-muted, var(--text-secondary));
    opacity: 0.72;
}

.day-note-mention-wrap .day-note-mention-dropdown {
    z-index: var(--z-modal-popover);
}

.day-note-mention-dropdown .autocomplete-item {
    width: 100%;
    text-align: left;
    background: transparent;
    border: none;
    font: inherit;
    color: inherit;
}

.day-note-mention-tier-label {
    padding: var(--space-1) var(--space-2);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted, var(--text-secondary));
    pointer-events: none;
}

.day-note-category-badge {
    display: inline-block;
    padding: 0.1em 0.45em;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--surface-muted, #f1f5f9);
    color: var(--text-secondary);
    vertical-align: baseline;
}

.day-note-category-field,
.day-note-category-select {
    display: block;
    width: 100%;
    margin-bottom: var(--space-3);
}

.day-note-category-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.day-note-category-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.day-note-category-add-row {
    display: flex;
    gap: var(--space-2);
    align-items: center;
    margin-top: var(--space-1);
}

.day-note-category-add-row .field-input {
    flex: 1;
}

.day-note-summary-card-category {
    margin-bottom: var(--space-1);
}

.student-profile-notes {
    margin: var(--space-3) 0;
    padding-top: var(--space-2);
    border-top: 1px solid var(--border-color, #e2e8f0);
}

.student-profile-notes-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-height: 240px;
    overflow-y: auto;
}

.student-profile-note-item {
    padding: var(--space-2);
    border-radius: var(--radius-sm, 6px);
    background: var(--surface-muted, #f8fafc);
}

.student-profile-note-meta {
    font-size: 0.8125rem;
    color: var(--text-muted, var(--text-secondary));
    margin-bottom: var(--space-1);
}

.student-profile-note-body {
    margin: 0;
    font-size: 0.875rem;
    white-space: pre-wrap;
}

.day-note-textarea {
    width: 100%;
    min-height: 100px;
    margin-bottom: var(--space-3);
    font-family: var(--font-main);
    font-size: 0.9375rem;
    padding: var(--pad-control-y-lg) var(--pad-control-x);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--input-bg);
    color: var(--text-primary);
    resize: vertical;
    box-sizing: border-box;
    touch-action: manipulation;
}

.day-notes-summary-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.day-notes-summary-date-label {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    font-size: 0.8125rem;
    font-weight: 600;
}

.day-notes-summary-date-input {
    font-family: var(--font-main);
    padding: var(--pad-control-y) var(--pad-control-x);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--input-bg);
    color: var(--text-primary);
}

.day-notes-summary-list {
    max-height: 280px;
    overflow-y: auto;
    margin-bottom: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.day-note-summary-card {
    padding: var(--pad-control-y-lg) var(--pad-control-x);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-card);
}

.day-note-summary-card-header {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--space-1);
}

.day-note-summary-card-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.day-note-summary-card-body {
    font-size: 0.875rem;
    white-space: pre-wrap;
    margin: 0;
}

.day-notes-summary-preview {
    display: none;
}

.day-notes-summary-body .form-actions {
    margin-top: var(--space-4);
    padding-top: var(--space-3);
}

.day-notes-copy-status {
    margin: var(--space-2) 0 0;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.day-notes-copy-status.is-ok {
    color: var(--success-color, #27ae60);
}

.day-notes-copy-status.is-error {
    color: var(--danger-color, #e74c3c);
}

.visibility-bar-label {
    font-weight: 600;
    color: var(--text-secondary);
    margin-right: 4px;
}

.visibility-chip {
    font-size: 0.8125rem;
    margin: 0;
    padding: var(--pad-control-y) var(--pad-control-x);
    background: var(--toolbar-field-bg, var(--input-bg));
    border: 1px solid var(--toolbar-field-border, var(--border-color));
    border-radius: 6px;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.visibility-chip:hover {
    background: var(--bg-hover);
    border-color: var(--text-muted);
}

.visibility-chip:has(input:checked) {
    background: var(--accent-muted);
    border-color: var(--primary);
    color: var(--text-primary);
}

.lesson-filter-btn--active {
    border-color: var(--primary, #2563eb);
    color: var(--primary, #2563eb);
    font-weight: 600;
}

.header-fixed-popover {
    position: fixed;
    z-index: var(--z-popover);
    max-width: min(16rem, calc(100vw - 24px));
    top: 0;
    left: 0;
}

.header-fixed-popover[hidden] {
    display: none !important;
}

.lesson-filter-popover {
    position: fixed;
    z-index: var(--z-popover);
    max-width: min(460px, calc(100vw - 24px));
    overflow: visible;
}

.lesson-filter-popover[hidden] {
    display: none !important;
}

.lesson-filter-popover-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    max-height: min(80vh, 640px);
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.lesson-filter-popover-panel > .lesson-filter-header,
.lesson-filter-popover-panel > .lesson-filter-status,
.lesson-filter-popover-panel > .lesson-filter-actions,
.lesson-filter-popover-panel > .lesson-filter-search-wrap,
.lesson-filter-popover-panel > .lesson-filter-search-empty {
    flex-shrink: 0;
}

.lesson-filter-popover-panel > .lesson-filter-body {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
}

.calendar-display-popover-scroll {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    padding: 0 var(--pad-surface) var(--pad-control-x-lg);
}

.calendar-display-popover-scroll .lesson-filter-body {
    overflow: visible;
}

.calendar-display-visibility-section {
    padding-top: var(--pad-control-x);
    margin-bottom: var(--space-2);
    border-bottom: 1px solid var(--border-color);
}

.calendar-display-lessons-section {
    padding-top: var(--pad-control-x);
}

.calendar-display-visibility-chips {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 10px;
    margin-bottom: 12px;
}

.calendar-display-visibility-chips .visibility-chip {
    margin: 0;
}

.calendar-display-lessons-section .lesson-filter-status {
    margin-top: 0;
    padding: var(--pad-control-y) 0 0;
}

.calendar-display-lessons-section .lesson-filter-actions {
    margin-top: 0;
    padding: var(--pad-control-y) 0 0;
}

.calendar-display-lessons-section .lesson-filter-search-wrap {
    padding: 0 0 var(--pad-control-y);
}

.calendar-display-lessons-section .lesson-filter-search-empty {
    padding-left: 0;
    padding-right: 0;
}

.calendar-display-lessons-section .lesson-filter-body {
    padding-left: 0;
    padding-right: 0;
}

.lesson-filter-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--pad-control-x-lg) var(--pad-surface) var(--pad-control-y);
    border-bottom: 1px solid var(--border-color);
}

.lesson-filter-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.lesson-filter-close {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: var(--text-secondary);
    border-radius: 6px;
}

.lesson-filter-close:hover {
    background: var(--bg-hover);
}

.lesson-filter-status {
    margin: 0;
    padding: var(--pad-control-y) var(--pad-surface) 0;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.lesson-filter-actions,
.print-cal-vis-actions,
.print-summary-bulk-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--pad-control-y-lg) var(--pad-surface);
}

.print-cal-vis-actions,
.print-summary-bulk-actions {
    padding: 0 0 var(--pad-control-y);
}

.event-applicability-popover {
    z-index: var(--z-modal);
}

.event-applicability-filter-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.event-applicability-summary {
    margin: 6px 0 0;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.45;
}

.lesson-filter-search-wrap {
    padding: 0 var(--pad-surface) var(--pad-control-y);
}

.lesson-filter-search {
    width: 100%;
    padding: var(--pad-control-y) var(--pad-control-y-lg);
    font-family: var(--font-main);
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-main, #fff);
    color: var(--text-primary);
}

.lesson-filter-search:focus {
    outline: 2px solid var(--primary, #2563eb);
    outline-offset: 1px;
    border-color: var(--primary, #2563eb);
}

.lesson-filter-search-empty {
    margin: 0;
    padding: 0 var(--pad-surface) var(--pad-control-y);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-style: italic;
}

.lesson-filter-chip[hidden] {
    display: none !important;
}

.lesson-filter-section[hidden] {
    display: none !important;
}

.lesson-filter-body--search-empty {
    min-height: 0;
}

.lesson-filter-empty-calendar {
    margin: 0;
    padding: var(--pad-control-y) 0 var(--space-3);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.45;
}

.lesson-filter-body {
    overflow-y: auto;
    padding: var(--space-1) var(--pad-surface) var(--pad-surface);
}

.lesson-filter-section {
    margin-top: 12px;
}

.lesson-filter-section-title {
    margin: 0 0 8px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
}

.lesson-filter-chip-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
}

.lesson-filter-chip {
    font-size: 0.8125rem;
}

.print-lesson-filter-hint {
    color: var(--primary, #2563eb);
    font-weight: 500;
}

.calendar-event-chips {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 2px;
    min-width: 0;
    max-width: 100%;
}

.calendar-event-chip {
    font-size: min(var(--cal-tile-font, 0.625rem), 13px);
    padding: 2px 4px;
    border-radius: 3px;
    line-height: 1.2;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.calendar-day.has-eval-period:not(.holiday) {
    box-shadow: inset 0 0 0 2px rgba(107, 33, 161, 0.35);
}

.syllabus-units-rows {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 12px;
}

.syllabus-unit-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 14px;
    align-items: start;
    padding: 14px 16px;
    background: var(--bg-hover, #f8fafc);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.syllabus-unit-row .syllabus-unit-title-wrap {
    grid-column: 1 / -1;
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.syllabus-unit-row .syllabus-unit-title-wrap label {
    flex: 1;
    min-width: 0;
}

.syllabus-unit-row .syllabus-unit-field label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.syllabus-unit-row .syllabus-unit-field input,
.syllabus-unit-row .syllabus-unit-field textarea {
    width: 100%;
    box-sizing: border-box;
    font-family: inherit;
    font-size: 0.9375rem;
    line-height: 1.45;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.syllabus-unit-row .syllabus-unit-remove {
    flex-shrink: 0;
    align-self: center;
}

.syllabus-unit-row .syllabus-unit-field-full {
    grid-column: 1 / -1;
}

.modal-wide {
    max-width: min(960px, 94vw);
    width: min(960px, 94vw);
}

.default-class-editor-modal {
    z-index: var(--z-modal);
}

#defaultClassEditorModal .modal-content {
    max-width: min(960px, 94vw);
    width: min(960px, 94vw);
    max-height: min(92vh, 100dvh - 2rem);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#defaultClassEditorModal .default-class-editor-body {
    padding: var(--pad-surface) var(--pad-overlay) var(--pad-overlay);
    overflow-x: hidden;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

#defaultClassEditorModal .default-class-editor-intro {
    margin: 0 0 16px;
}

.default-class-editor-layout {
    display: grid;
    grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.default-class-editor-list-wrap {
    min-width: 0;
}

.default-class-editor-form {
    min-width: 0;
    padding: 0;
}

.default-class-editor-form .form-group {
    margin-bottom: 14px;
}

.default-class-editor-form input[type="text"],
.default-class-editor-form input[type="number"],
.default-class-editor-form select {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.default-class-editor-form .checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.4;
}

.default-class-editor-form .checkbox-label span {
    flex: 1;
    min-width: 0;
}

.default-class-editor-type-list {
    width: 100%;
    min-height: 260px;
    max-height: 40vh;
    font-family: var(--font-main);
    font-size: 0.9rem;
    box-sizing: border-box;
}

.default-class-editor-list-label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
}

#defaultClassEditorDuplicateBtn,
#defaultClassEditorResetAllBtn {
    margin-top: 8px;
    width: 100%;
}

.default-class-editor-list-wrap .btn-small {
    display: block;
}

.default-class-editor-factory-note {
    margin: 8px 0 0;
}

.default-class-editor-form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: flex-end;
    margin-top: var(--space-2);
}

@media (max-width: 720px) {
    #defaultClassEditorModal .modal-content {
        width: 96vw;
        max-width: 96vw;
    }

    .default-class-editor-layout {
        grid-template-columns: 1fr;
    }

    .default-class-editor-type-list {
        min-height: 160px;
        max-height: 28vh;
    }
}

.homework-import-panel {
    margin-top: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 10px 12px;
    background: var(--surface-elevated);
}

.homework-import-panel summary {
    cursor: pointer;
    font-weight: 600;
}

.homework-import-paste {
    width: 100%;
    margin-top: 8px;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-main);
    font-size: 0.9rem;
    resize: vertical;
}

.homework-import-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.homework-import-preview {
    margin-top: 8px;
    padding: 8px 10px;
    max-height: 160px;
    overflow: auto;
    font-size: 0.8rem;
    white-space: pre-wrap;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.syllabus-table-actions,
.syllabus-print-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
    margin-bottom: 4px;
}

.syllabus-table-editor-wrap {
    max-height: min(58vh, 720px);
    min-height: 200px;
    overflow: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-card);
}

.syllabus-editor-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
    font-size: 0.9375rem;
    line-height: 1.45;
}

.syllabus-editor-table th,
.syllabus-editor-table td {
    border-bottom: 1px solid var(--border-color);
    padding: 10px 12px;
    vertical-align: top;
}

.syllabus-editor-table th {
    background: var(--surface-elevated);
    color: var(--text-primary);
    position: sticky;
    top: 0;
    z-index: var(--z-above-base);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0.01em;
}

.syllabus-editor-table .syllabus-col-week {
    width: 7rem;
    min-width: 7rem;
}

.syllabus-editor-table .syllabus-col-num {
    width: 3.5rem;
    min-width: 3.5rem;
    text-align: center;
}

.syllabus-editor-table .syllabus-col-plan {
    min-width: 10rem;
}

.syllabus-editor-table .syllabus-col-pages {
    min-width: 14rem;
    width: 32%;
}

.syllabus-editor-table .syllabus-col-note {
    min-width: 8rem;
}

.syllabus-editor-table .syllabus-col-actions {
    width: 2.75rem;
}

.syllabus-editor-table input,
.syllabus-editor-table textarea {
    width: 100%;
    font-family: inherit;
    font-size: 0.9375rem;
    line-height: 1.45;
    box-sizing: border-box;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--text-primary);
}

.syllabus-editor-table textarea {
    min-height: 4.5rem;
    resize: vertical;
}

.syllabus-editor-table input[readonly] {
    background: var(--surface-elevated);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.syllabus-ed-week {
    white-space: nowrap;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.syllabus-ed-num {
    text-align: center;
    width: 2.5em;
}

.syllabus-editor-table .syllabus-row-holiday td {
    background: var(--holiday-bg);
}

.syllabus-editor-table .syllabus-row-overflow td {
    background: var(--surface-elevated);
    color: var(--text-secondary);
}

.syllabus-editor-table .syllabus-row-extra td {
    background: var(--bg-hover);
}

.syllabus-print-class-block {
    page-break-inside: avoid;
    margin-bottom: 1.5rem;
}

.syllabus-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.syllabus-table th,
.syllabus-table td {
    border: 1px solid var(--border-color);
    padding: 6px 8px;
    vertical-align: top;
}

.syllabus-table th {
    background: var(--surface-elevated);
    color: var(--text-primary);
}

.syllabus-class-header {
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.syllabus-pdf-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
}

.syllabus-table-pdf .syllabus-col-year {
    width: 4.5em;
}

.syllabus-cell-merged {
    vertical-align: middle;
    text-align: center;
    background: transparent;
}

.syllabus-col-month.syllabus-cell-merged {
    font-weight: 600;
}

.syllabus-col-week.syllabus-cell-merged {
    font-weight: 500;
    font-size: 0.95em;
}

.syllabus-plan-detail {
    display: block;
    font-size: 0.95em;
    color: inherit;
    margin-top: 2px;
}

.syllabus-plan-subline {
    display: block;
    font-size: 0.88em;
    margin-top: 3px;
    font-style: italic;
    opacity: 0.92;
}

.syllabus-plan-subline-emphasis {
    font-style: normal;
    font-weight: 500;
}

.syllabus-row-holiday td {
    border-color: #d97706;
}

.syllabus-row-event.syllabus-row-evaluation_period td,
.syllabus-row-event td {
    border-color: #7c3aed;
}

.syllabus-row-event.syllabus-row-evaluation_deadline td {
    border-color: #991b1b;
}

.syllabus-row-extra td {
    border-color: #6b7280;
    border-style: dashed;
}

.syllabus-row-overflow td {
    border-color: #9ca3af;
}

.syllabus-row-note td {
    background: var(--surface-elevated);
    font-style: italic;
}

.print-cal-vis {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.print-visibility-heading {
    margin-top: 8px;
    font-weight: 600;
}



/* Calendar Container */

#panel-calendar {
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

body:has(#panel-calendar:not([hidden])) {
    scroll-snap-type: none;
}

.calendar-container {
    display: flex;
    flex-direction: column;
    gap: var(--calendar-month-gap);
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

/* Calendar tab: one full-width month per row (never multi-column grid) */
#calendarContainer,
#panel-calendar .calendar-container {
    display: flex !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    align-items: stretch !important;
    grid-template-columns: unset !important;
    grid-auto-flow: unset !important;
    gap: var(--calendar-month-gap);
    width: 100%;
    max-width: 100%;
}

#calendarContainer > .month-calendar,
#panel-calendar .month-calendar {
    width: 100% !important;
    max-width: 100% !important;
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    min-height: 0;
    scroll-snap-align: none;
    scroll-snap-stop: normal;
    scroll-margin-top: calc(var(--app-chrome-sticky-top, 0px) + 3.5rem);
}

/* Fit one month per viewport: flexible week rows; zoom scales min cell height */
#calendarContainer .calendar-day {
    min-height: var(--calendar-day-min-h, 0);
    display: flex;
    flex-direction: column;
}

#calendarContainer .calendar-day .day-number {
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky-cell);
    background: var(--bg-card);
}

#calendarContainer .calendar-day.other-month .day-number {
    background: var(--bg-main);
}

#calendarContainer .calendar-day.holiday .day-number {
    background: inherit;
}

#calendarContainer .calendar-day .day-events {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

#calendarContainer .calendar-day .calendar-event-chips {
    flex-shrink: 0;
    max-height: 35%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

#calendarContainer .month-header {
    padding: 10px 16px;
}

#calendarContainer .month-header h2 {
    font-size: 1.1rem;
}

#calendarContainer .calendar-day-header {
    padding: 6px 4px;
}

.month-calendar {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: visible;
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

.month-header {
    position: sticky;
    top: var(--calendar-month-sticky-top);
    z-index: var(--z-local-overlay);
    flex-shrink: 0;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--text-on-primary);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15);
}

.month-calendar .calendar-grid {
    flex: 1 1 auto;
    min-height: 0;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    overflow: hidden;
    grid-template-rows: auto repeat(var(--calendar-week-rows, 6), minmax(3.25rem, 1fr));
}

.month-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}



/* Calendar Grid */

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    width: 100%;
    min-width: 0;
    border-top: 1px solid var(--border-color);
}

.calendar-day-header {
    min-width: 0;
    padding: 12px 8px;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    background: var(--bg-hover);
    border-bottom: 1px solid var(--border-color);
}

.calendar-day-header:not(:last-child) {
    border-right: 1px solid var(--border-color);
}

.calendar-day {
    --cal-tile-font: 0.7rem;
    --cal-tile-font-sm: calc(var(--cal-tile-font) * 0.85);
    min-width: 0;
    min-height: 100px;
    padding: 4px;
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    position: relative;
    background: var(--bg-card);
    overflow: hidden;
    transition: background 0.15s ease;
}

.calendar-day:nth-child(7n) {
    border-right: none;
}

.calendar-day:hover {
    background: var(--bg-hover);
}

.calendar-day.other-month {
    background: var(--bg-main);
}

.calendar-day.other-month .day-number {
    color: var(--text-muted);
}

.calendar-day.holiday {
    /* Background color set dynamically via JS */
    transition: filter 0.15s ease;
}

.calendar-day.holiday:hover {
    filter: brightness(0.95);
}

.day-number {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    padding: 4px 6px;
}

.holiday-name {
    font-size: min(var(--cal-tile-font-holiday, calc(var(--cal-tile-font, 0.7rem) * 1.12)), 13px);
    /* Color set dynamically via JS */
    font-weight: 600;
    padding: 0 6px 4px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.day-events {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 2px;
    min-width: 0;
    max-width: 100%;
}