.hw-month-picker { display: inline-block; min-width: 0; }
.hw-month-picker-label { display: block; margin-bottom: 6px; color: var(--text-secondary, #64748b); font-size: 13px; }
.hw-month-picker-trigger { display: inline-flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 34px; white-space: nowrap; font: inherit; }
.hw-month-picker-panel { position: fixed; inset: auto; box-sizing: border-box; width: min(264px, calc(100vw - 16px)); padding: 12px; margin: 0; border: 1px solid var(--border, #d9dee7); border-radius: var(--radius-md, 8px); background: var(--surface, #fff); color: var(--text, #17202a); box-shadow: var(--shadow-card, 0 4px 18px #17202a20); font: inherit; }
.hw-month-picker-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
.hw-month-picker-heading strong { font-size: 14px; }
.hw-month-picker-heading button { min-width: 32px; min-height: 32px; }
.hw-month-picker-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.hw-month-picker-grid button { min-height: 36px; padding: 6px; border: 1px solid transparent; border-radius: var(--radius-sm, 4px); background: transparent; color: var(--text, #17202a); font: inherit; font-size: 13px; cursor: pointer; }
.hw-month-picker-grid button:hover { background: var(--primary-soft, #eff6ff); }
.hw-month-picker-grid button[aria-pressed="true"] { background: var(--primary-soft, #eff6ff); border-color: var(--primary, #2563eb); color: var(--primary, #2563eb); font-weight: 700; }
.hw-month-picker button:focus-visible { outline: 2px solid var(--primary, #2563eb); outline-offset: 2px; }
@media print { .hw-month-picker { display: none; } }
.hw-month-calendar { padding: 0; overflow: hidden; }
.hw-month-calendar .cal-weekdays, .hw-month-calendar .cal-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }
.hw-month-calendar .cal-weekdays { border-bottom: 1px solid var(--border); background: #fafbfc; }
.hw-month-calendar .cal-weekdays span { padding: 10px 4px; color: var(--text-muted); font-size: 12px; font-weight: 600; text-align: center; }
.hw-month-calendar .cal-cell { display: flex; min-height: 110px; flex-direction: column; gap: 4px; border: 0; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); border-radius: 0; padding: 6px 6px 8px; background: var(--surface); color: var(--text); text-align: left; transition: background 120ms ease; }
.hw-month-calendar .cal-cell:nth-child(7n) { border-right: 0; }
.hw-month-calendar .cal-cell.is-muted { min-height: 110px; background: #fafbfc; pointer-events: none; }
.hw-month-calendar .cal-cell.is-idle { background: #fafbfc; color: var(--text-muted); }
.hw-month-calendar .cal-cell.is-past { background: #f1f5f9; }
.hw-month-calendar .cal-cell:hover:not(.is-muted) { background: #f8fbff; }
.hw-month-calendar .cal-cell.is-selected { box-shadow: inset 0 0 0 2px rgba(37, 99, 235, .45); }
.hw-month-calendar .cal-cell-day { display: flex; align-items: center; align-self: flex-start; flex-wrap: wrap; gap: 2px 6px; min-height: 26px; border-radius: 999px; color: var(--text-secondary); font-size: 12px; font-weight: 650; }
.hw-month-calendar .cal-cell-day.today-pill { padding: 0 6px; background: var(--primary); color: #fff; }
.hw-month-calendar .cal-cell-events { display: flex; min-width: 0; flex-direction: column; gap: 2px; }
.hw-month-calendar .hw-cal-chip { display: block; width: fit-content; max-width: 100%; overflow: hidden; border-radius: 4px; padding: 2px 6px; background: #e2e8f0; color: #334155; font-size: 11px; font-weight: 650; line-height: 1.3; text-overflow: ellipsis; white-space: nowrap; }
.hw-month-calendar .hw-cal-chip.is-chi { background: #dbeafe; }
.hw-month-calendar .hw-cal-chip.is-eng { background: #d1fae5; }
.hw-month-calendar .hw-cal-chip.is-math { background: #fef3c7; }
.hw-month-calendar .hw-cal-chip.is-ok { color: #047857; }
.hw-month-calendar .hw-cal-chip.is-missing { color: #b91c1c; }
.hw-month-calendar .hw-cal-day-summary { font-size: 11px; font-weight: 750; }
.hw-month-calendar .hw-cal-day-summary.is-ok { color: #047857; }
.hw-month-calendar .hw-cal-day-summary.is-missing { color: #b91c1c; }
.hw-month-calendar .cal-cell-more { padding: 0 4px; color: var(--text-muted); font-size: 10px; font-weight: 600; }
@media (max-width: 760px) { .hw-month-calendar { overflow-x: auto; } .hw-month-calendar .cal-weekdays, .hw-month-calendar .cal-grid { min-width: 630px; } .hw-month-calendar .cal-cell { min-height: 90px; } }

/* The class page's compact date sidebar is shared by Local and Cloud. */
.hw-content-split { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 20px; align-items: start; }
.hw-content-main { min-width: 0; }
.hw-content-sidebar { position: sticky; top: 16px; padding: 16px 14px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-soft, var(--shadow-card)); text-align: center; }
.hw-content-sidebar-kicker { color: var(--text-muted); font-size: 11px; font-weight: 700; letter-spacing: .06em; }
.hw-content-sidebar-date { margin-top: 8px; font-size: 18px; font-weight: 700; letter-spacing: -.03em; line-height: 1.25; }
.hw-content-sidebar-week { margin-top: 2px; color: var(--text-secondary); font-size: 13px; font-weight: 650; }
.hw-now-mini { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.hw-mini-calendar .cal-mini-title { display: flex; align-items: center; justify-content: space-between; gap: 4px; margin-bottom: 6px; font-size: 13px; font-weight: 700; text-align: center; }
.hw-mini-calendar-static .cal-mini-title { justify-content: center; }
.hw-mini-calendar .hw-mini-calendar-nav { width: 28px; min-width: 28px; height: 28px; min-height: 28px; padding: 0; font-size: 18px; }
.hw-mini-calendar .cal-mini-weekdays, .hw-mini-calendar .cal-mini-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 2px; }
.hw-mini-calendar .cal-mini-weekdays span, .hw-mini-calendar .cal-mini-cell { display: grid; place-items: center; min-width: 0; min-height: 27px; padding: 2px 0; text-align: center; font-size: 11px; }
.hw-mini-calendar .cal-mini-weekdays span { color: var(--text-muted); }
.hw-mini-calendar .cal-mini-cell { border: 0; border-radius: 999px; background: transparent; color: var(--text); font-weight: 600; cursor: pointer; }
.hw-mini-calendar .cal-mini-cell.is-muted { visibility: hidden; }
.hw-mini-calendar .cal-mini-cell.is-past:not(.is-selected):not(.is-today) { color: #94a3b8; }
.hw-mini-calendar .cal-mini-cell.is-ok:not(.is-selected) { background: #d1fae5; color: #047857; }
.hw-mini-calendar .cal-mini-cell.is-missing:not(.is-selected) { background: #fee2e2; color: #b91c1c; }
.hw-mini-calendar .cal-mini-cell.is-today:not(.is-selected):not(.is-ok):not(.is-missing) { background: #dbeafe; color: var(--primary); }
.hw-mini-calendar .cal-mini-cell.is-today:is(.is-ok, .is-missing):not(.is-selected) { box-shadow: inset 0 0 0 1px currentColor; }
.hw-mini-calendar .cal-mini-cell.is-selected { background: var(--primary); color: #fff; }
.hw-mini-calendar .cal-mini-cell.is-in-range:not(.is-selected) { background: #dbeafe; color: #1d4ed8; border-radius: 4px; }
.hw-mini-calendar .cal-mini-cell.is-range-start:not(.is-selected), .hw-mini-calendar .cal-mini-cell.is-range-end:not(.is-selected) { background: var(--primary); color: #fff; border-radius: 999px; }
.hw-mini-calendar .cal-mini-cell:hover:not(.is-selected) { box-shadow: inset 0 0 0 1px var(--primary); }
.hw-mini-calendar button:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.hw-mini-calendar-today { width: 100%; margin-top: 10px; }
@media (max-width: 900px) { .hw-content-split { grid-template-columns: 1fr; } .hw-content-sidebar { position: static; padding: 14px 16px; text-align: left; } .hw-mini-calendar { max-width: 240px; } }