/* =========================================
   PROJECT CALENDAR
========================================= */

.calendar-page {
    width: 100%;
}

.calendar-header {
    margin-bottom: 20px;
}

.calendar-header h1 {
    margin: 0 0 6px;
    font-size: 24px;
    color: var(--text);
}

.calendar-header p {
    margin: 0;
    font-size: 13px;
    color: var(--muted);
}


/* =========================================
   CALENDAR CARD
========================================= */

.calendar-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}


/* =========================================
   MONTH HEADER
========================================= */

.calendar-month-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 18px;
}

.calendar-month-header h2 {
    margin: 0;
    min-width: 190px;
    text-align: center;
    font-size: 18px;
    color: var(--text);
}

.calendar-nav-button {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--background);
    color: var(--text);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
}

.calendar-nav-button:hover {
    border-color: var(--accent);
    color: var(--accent);
}


/* =========================================
   CALENDAR GRID
========================================= */

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

.calendar-weekday {
    padding: 10px 6px;
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.calendar-day {
    position: relative;
    min-height: 105px;
    padding: 8px;
    background: var(--background);
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    overflow: visible;
}

.calendar-day-number {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
}

.calendar-day-empty {
    opacity: 0.35;
}


/* =========================================
   CALENDAR EVENTS
========================================= */

.calendar-event {
    position: relative;
    display: flex;
    align-items: stretch;
    height: 24px;
    margin-top: 4px;
    margin-left: -8px;
    margin-right: -8px;
    padding: 5px 8px;
    --calendar-event-bg:
    color-mix(
        in srgb,
        var(--event-colour) 12%,
        var(--panel)
    );

    background-color: var(--calendar-event-bg);


    border-top: 1px solid
        color-mix(in srgb, var(--event-colour) 45%, transparent);
    border-bottom: 1px solid
        color-mix(in srgb, var(--event-colour) 45%, transparent);
    color: var(--text);
    font-size: 11px;
    line-height: 14px;
    white-space: nowrap;
    overflow: visible;
    box-sizing: border-box;
    cursor: default;
}

.calendar-event-start {
    margin-left: 0;
    border-left: 3px solid var(--event-colour);
    border-radius: 5px 0 0 5px;
}

.calendar-event-end {
    margin-right: 0;
    border-right: 1px solid
        color-mix(in srgb, var(--event-colour) 45%, transparent);
    border-radius: 0 5px 5px 0;
}

.calendar-event-start.calendar-event-end {
    border-radius: 5px;
}

.calendar-event-label {
    position: relative;
    z-index: 2;
    order: 1;

    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;

    padding: 0 8px 0 4px;

    background: var(--calendar-event-bg);
    color: var(--text);

    white-space: nowrap;
    font-weight: 500;
}

.calendar-event::before {
    content: "";
    order: 2;
    flex: 1 1 auto;

    background-image:
        repeating-linear-gradient(
            135deg,
            var(--event-colour) 0px,
            var(--event-colour) 2px,
            transparent 2px,
            transparent 8px
        );
}



.calendar-event::after {
    content: attr(data-calendar-note);
    position: absolute;
    left: 8px;
    bottom: calc(100% + 8px);
    z-index: 50;
    width: max-content;
    max-width: 320px;
    padding: 9px 11px;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: var(--panel);
    color: var(--text);
    font-size: 12px;
    line-height: 1.4;
    white-space: normal;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.25);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(4px);
    transition:
        opacity 0.15s ease,
        transform 0.15s ease;
}

.calendar-event:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}


/* =========================================
   MONTH ITEM DOTS
========================================= */

.calendar-month-item {
    display: flex;
    align-items: center;
    gap: 6px;

    margin-top: 5px;

    min-width: 0;

    font-size: 11px;
    color: var(--text);
}

.calendar-month-dot {
    flex: 0 0 8px;

    width: 8px;
    height: 8px;

    border-radius: 50%;
    background: var(--event-colour);
}

.calendar-month-item-name {
    min-width: 0;

    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}




/* =========================================
   CALENDAR DASHBOARD LAYOUT
========================================= */

.calendar-dashboard {
    display: grid;

    grid-template-columns:
        minmax(320px, 0.85fr)
        minmax(0, 1.65fr);

    grid-template-rows:
        auto minmax(0, 1fr);

    grid-template-areas:
        "day week"
        "day month";

    gap: 16px;
    align-items: stretch;
}

.calendar-day-card {
    grid-area: day;


    min-height: 0;
    overflow: hidden;

}

.calendar-week-card {
    grid-area: week;
}

.calendar-month-card {
    grid-area: month;
}


/* =========================================
   DAY / WEEK PANEL HEADERS
========================================= */

.calendar-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;

    margin-bottom: 16px;
    padding-bottom: 12px;

    border-bottom: 1px solid var(--border);
}

.calendar-panel-label {
    display: block;

    margin-bottom: 4px;

    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;

    color: var(--accent);
}

.calendar-panel-header h2 {
    margin: 0;

    font-size: 18px;
    color: var(--text);
}


/* =========================================
   TEMPORARY EMPTY PANELS
========================================= */


#calendarWeekView {
    width: 100%;
    min-height: 180px;

    color: var(--muted);
    font-size: 13px;
}


/* =========================================
   WEEK CALENDAR
========================================= */

.calendar-week-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.calendar-today-button {
    height: 36px;
    padding: 0 14px;

    border: 1px solid var(--border);
    border-radius: 8px;

    background: var(--background);
    color: var(--text);

    font-size: 12px;
    font-weight: 600;

    cursor: pointer;
}

.calendar-today-button:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.calendar-week-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));

    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
}

.calendar-week-day {
    min-width: 0;
    min-height: 150px;

    background: var(--background);

    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.calendar-week-day-header {
    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 8px;

    border-bottom: 1px solid var(--border);
}

.calendar-week-day-name {
    font-size: 11px;
    font-weight: 700;
    color: var(--muted);
}

.calendar-week-day-number {
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
}

.calendar-week-events {
    padding: 6px;
}

.calendar-week-event {
    margin-bottom: 6px;
    padding: 6px 7px;

    border-left: 3px solid var(--event-colour);
    border-radius: 5px;

    background:
        color-mix(
            in srgb,
            var(--event-colour) 12%,
            var(--panel)
        );

    overflow: hidden;
}

.calendar-week-space,
.calendar-week-item {
    display: block;

    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.calendar-week-space {
    margin-bottom: 2px;

    font-size: 9px;
    font-weight: 700;

    color: var(--muted);
    text-transform: uppercase;
}

.calendar-week-item {
    font-size: 11px;
    font-weight: 600;

    color: var(--text);
}


.calendar-week-event-area {
    grid-column: 1 / -1;

    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    grid-auto-rows: 34px;

    min-height: 110px;
    padding: 8px 0;

    background: var(--background);

    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.calendar-week-span-event {
    position: relative;

    width: auto;
    align-self: stretch;

    display: flex;
    align-items: center;
    gap: 8px;

    min-width: 0;
    margin: 3px 5px;
    padding: 5px 8px;

    border-left: 3px solid var(--event-colour);
    border-radius: 5px;

    background:
        color-mix(
            in srgb,
            var(--event-colour) 40%,
            var(--background)
        );

    overflow: hidden;
}



.calendar-week-span-event .calendar-week-space,
.calendar-week-span-event .calendar-week-item {
    position: relative;
    z-index: 1;
}


/* =========================================
   DAY CALENDAR
========================================= */

.calendar-day-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.calendar-add-item-button {
    height: 36px;
    padding: 0 14px;

    border: 1px solid var(--accent);
    border-radius: 8px;

    background: var(--accent);
    color: #fff;

    font-size: 12px;
    font-weight: 700;

    cursor: pointer;
}

.calendar-add-item-button:hover {
    opacity: 0.9;
}


#calendarDayView {
    width: 100%;

    max-height: 1000px;
    overflow-y: auto;
    overflow-x: hidden;

    padding-right: 6px;
    scrollbar-gutter: stable;
}

/* Slim Day scrollbar */

#calendarDayView::-webkit-scrollbar {
    width: 6px;
}

#calendarDayView::-webkit-scrollbar-track {
    background: transparent;
}

#calendarDayView::-webkit-scrollbar-thumb {
    background: var(--muted);
    border-radius: 999px;
}

#calendarDayView::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

.calendar-day-hours {
    position: relative;

    width: 100%;
    height: 100%;

    display: grid;
    grid-template-rows: repeat(17, 100px);

    border-top: 1px solid var(--border);
}

.calendar-day-hour {
    display: grid;

    grid-template-columns:
        58px minmax(0, 1fr);

    }

.calendar-day-time {
    padding: 9px 10px 0 0;

    border-right: 1px solid var(--border);

    color: var(--muted);

    font-size: 11px;
    font-weight: 600;

    text-align: right;
}

.calendar-day-slot {
    min-width: 0;

    border-bottom: 1px solid var(--border);
}

.calendar-day-event {
    position: absolute;
    z-index: 2;
    left: 58px;
    right: 7px;

    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;

    margin: 5px 7px;
    padding: 6px 8px;

    border-left: 3px solid var(--event-colour);
    border-radius: 5px;

    background:
        color-mix(
            in srgb,
            var(--event-colour) 40%,
            var(--background)
        );

    overflow: hidden;
}

.calendar-day-event-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;

    width: 100%;
}

.calendar-day-event-title {
    min-width: 0;

    color: var(--text);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.2;

    overflow-wrap: anywhere;
}

.calendar-day-event-time {
    flex: 0 0 auto;

    display: flex;
    flex-direction: column;
    align-items: flex-end;

    color: var(--text);
    font-size: 11px;
    font-weight: 600;
    line-height: 1.15;

    white-space: nowrap;
}

.calendar-day-event-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px;

    margin-top: 3px;

    color: var(--muted);
    font-size: 11px;
    line-height: 1.2;
}

.calendar-day-event-separator {
    opacity: 0.55;
}

.calendar-day-event-notes {
    margin-top: 4px;

    color: var(--text);
    font-size: 11px;
    line-height: 1.25;

    overflow-wrap: anywhere;
}



/* =========================================
   CALENDAR EDIT ITEM PANEL
========================================= */

.calendar-page:has(.calendar-edit-panel.is-open)::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 999;

    background: rgba(0, 0, 0, 0.55);
}


.calendar-edit-panel {
    display: none;

    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 1000;

    width: min(620px, calc(100vw - 40px));
    max-height: calc(100vh - 40px);

    padding: 20px;

    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 12px;

    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);

    transform: translate(-50%, -50%);

    overflow-y: auto;
}

.calendar-edit-panel.is-open {
    display: block;
}

.calendar-edit-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;

    margin-bottom: 20px;
    padding-bottom: 12px;

    border-bottom: 1px solid var(--border);
}

.calendar-edit-panel-header h2 {
    margin: 0;

    font-size: 18px;
    color: var(--text);
}

.calendar-edit-close {
    width: 36px;
    height: 36px;

    border: 1px solid var(--border);
    border-radius: 8px;

    background: var(--background);
    color: var(--text);

    font-size: 22px;
    line-height: 1;

    cursor: pointer;
}

.calendar-edit-close:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.calendar-edit-form {
    display: grid;
    gap: 16px;
}

.calendar-edit-form .form-group {
    margin: 0;
}

.calendar-edit-form label {
    display: block;

    margin-bottom: 6px;

    font-size: 12px;
    font-weight: 600;

    color: var(--text);
}

.calendar-edit-form select {
    width: 100%;
    height: 38px;
    padding: 0 12px;
    line-height: normal;

}

.calendar-edit-date-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.calendar-edit-datetime {
    display: flex;
    align-items: center;

    height: 38px;

    overflow: hidden;

    border: 1px solid var(--border);
    border-radius: 6px;

    background: var(--background);
}

.calendar-edit-datetime:focus-within {
    border-color: var(--accent);
}

.calendar-edit-datetime input {
    height: 100%;

    border: 0;
    outline: none;

    background: transparent;
    color: var(--text);
}

.calendar-edit-datetime input[type="date"] {
    flex: 1 1 auto;
    min-width: 0;

    padding: 0 8px;
}

.calendar-edit-datetime input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    opacity: 0.75;
    cursor: pointer;
}

.calendar-edit-datetime input[type="text"] {
    flex: 0 0 70px;
    width: 70px;

    padding: 0 6px;

    border-left: 1px solid var(--border);

    text-align: center;
}

.calendar-edit-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;

    padding-top: 4px;
}

.calendar-edit-cancel,
.calendar-edit-save {
    height: 36px;
    padding: 0 16px;

    border-radius: 8px;

    font-size: 12px;
    font-weight: 700;

    cursor: pointer;
}

.calendar-edit-cancel {
    border: 1px solid var(--border);

    background: var(--background);
    color: var(--text);
}

.calendar-edit-save {
    border: 1px solid var(--accent);

    background: var(--accent);
    color: #fff;
}

/* =========================================
   Calendar Day override
========================================= */


.calendar-day-only-action {
    display: flex;
    align-items: center;
    gap: 8px;

    margin-top: -4px;

    color: var(--muted);
    font-size: 11px;
}

.calendar-day-only-action button {
    padding: 0;

    border: 0;
    background: transparent;

    color: var(--accent);
    font: inherit;
    font-weight: 700;

    cursor: pointer;
}

.calendar-day-only-action button:hover {
    text-decoration: underline;
}


/* =========================================
   MOBILE
========================================= */

@media (max-width: 1700px) {

    .calendar-dashboard {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        grid-template-areas:
            "day"
            "week"
            "month";
    }
}


@media (max-width: 1000px) {

    .calendar-month-item-name {
        display: none;
    }

    .calendar-month-item {
        display: inline-flex;
        margin-top: 5px;
        margin-right: 3px;
    }
}

@media (max-width: 700px) {

    .calendar-card {
        padding: 12px;
        overflow-x: auto;
    }

    .calendar-grid {
        min-width: 0;
        width: 100%;
    }

    .calendar-day {
        min-height: 90px;
    }
}