.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.cal-cell {
    position: relative;
    aspect-ratio: 1.3 / 1;
    min-width: 0;
    background: #fff;
    border: 1px solid #d9dde3;
    border-radius: 8px;
    overflow: hidden
}

.cal-cell span {
    position: relative;
    z-index: 2;
    display: inline-block;
    padding: 6px 8px;
    font-size: 15px;
    font-weight: 700;
    color: #111827;
}

/* свободно */
.cal-cell.free {
    background: #fff;
    cursor: pointer;
}

/* прошедшие даты */
.cal-cell.past {
    opacity: 0.4;
    cursor: not-allowed;
    background: #f5f5f5;
}

/* пустая ячейка */
.cal-cell.cal-cell-empty {
    background: transparent;
    border-color: transparent;
}

/* ===== СЕРВЕРНЫЕ (существующие брони) ===== */

/* полностью занятые дни */
.cal-cell.booked {
    background: #ffcccc;
    cursor: not-allowed;
}

/* серверный booked через data-server-class (если нужно отличить от manual_blocks) */
.cal-cell[data-server-class="booked"] {
    background: #ffcccc;
    cursor: not-allowed;
}

/* серверный checkin — белый фон + розовый треугольник справа */
.cal-cell[data-server-class="checkin"] {
    background: #fff;
}
.cal-cell[data-server-class="checkin"]::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top right, transparent 49.5%, rgba(255,204,204,0.7) 50%);
    z-index: 1;
}

/* серверный checkout — белый фон + розовый треугольник слева */
.cal-cell[data-server-class="checkout"] {
    background: #fff;
}
.cal-cell[data-server-class="checkout"]::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top right, rgba(255,204,204,0.7) 49.5%, transparent 50%);
    z-index: 1;
}

/* ===== ПОЛЬЗОВАТЕЛЬСКИЕ (новое бронирование) ===== */

/* пользовательский checkin — белый фон + зелёный треугольник справа */
.cal-cell.checkin:not([data-server-class]) {
    background: #fff;
}
.cal-cell.checkin:not([data-server-class])::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top right, transparent 49.5%, rgba(76,175,80,0.28) 50%);
    z-index: 1;
}

/* пользовательский checkout — белый фон + зелёный треугольник слева */
.cal-cell.checkout:not([data-server-class]) {
    background: #fff;
}
.cal-cell.checkout:not([data-server-class])::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top right, rgba(76,175,80,0.28) 49.5%, transparent 50%);
    z-index: 1;
}

/* ===== TURNOVER (пересечение) ===== */

/* Чисто серверный turnover (пересечение двух броней в БД) — розовый + два розовых треугольника */
.cal-cell[data-server-class="turnover"] {
    background-color: #ffcccc;
    background-image: linear-gradient(to top right, transparent 47%, rgba(0,0,0,0.15) 47%, rgba(0,0,0,0.15) 53%, transparent 53%);
}
.cal-cell[data-server-class="turnover"]::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top right, rgba(255,204,204,0.7) 47%, transparent 53%);
    z-index: 1;
}
.cal-cell[data-server-class="turnover"]::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top right, transparent 47%, rgba(255,204,204,0.7) 53%);
    z-index: 1;
}

/* пользовательский turnover (новое бронирование, overlap сервера нет) */
.cal-cell.turnover:not([data-server-class]) {
    background-color: #fff;
    background-image: linear-gradient(to top right, transparent 47%, rgba(0,0,0,0.15) 47%, rgba(0,0,0,0.15) 53%, transparent 53%);
}
.cal-cell.turnover:not([data-server-class])::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top right, rgba(76,175,80,0.3) 47%, transparent 53%);
    z-index: 1;
}
.cal-cell.turnover:not([data-server-class])::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top right, transparent 47%, rgba(76,175,80,0.3) 53%);
    z-index: 1;
}

/* серверный checkout (выезд) + пользовательский checkin (заезд) */
.cal-cell.turnover[data-server-class="checkout"] {
    background-color: #fff;
    background-image: linear-gradient(to top right, transparent 47%, rgba(0,0,0,0.15) 47%, rgba(0,0,0,0.15) 53%, transparent 53%);
}
.cal-cell.turnover[data-server-class="checkout"]::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top right, rgba(255,204,204,0.7) 47%, transparent 53%);
    z-index: 1;
}
.cal-cell.turnover[data-server-class="checkout"]::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top right, transparent 47%, rgba(76,175,80,0.3) 53%);
    z-index: 1;
}

/* серверный checkin (заезд) + пользовательский checkout (выезд) */
.cal-cell.turnover[data-server-class="checkin"] {
    background-color: #fff;
    background-image: linear-gradient(to top right, transparent 47%, rgba(0,0,0,0.15) 47%, rgba(0,0,0,0.15) 53%, transparent 53%);
}
.cal-cell.turnover[data-server-class="checkin"]::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top right, rgba(76,175,80,0.3) 47%, transparent 53%);
    z-index: 1;
}
.cal-cell.turnover[data-server-class="checkin"]::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top right, transparent 47%, rgba(255,204,204,0.7) 53%);
    z-index: 1;
}

.cal-cell.checkin,
.cal-cell.checkout,
.cal-cell.turnover,
.cal-cell[data-server-class="turnover"] {
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.08);
}

/* JS selection overlay */
.cal-cell.in-range {
    background: #4caf50 !important;
}
.cal-cell.in-range span {
    color: white;
}

.cal-header {
    grid-column: 1 / -1;
}