/*
|--------------------------------------------------------------------------
| Kalenderseite
|--------------------------------------------------------------------------
*/

.calendar-page {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}


/*
|--------------------------------------------------------------------------
| Seitenkopf
|--------------------------------------------------------------------------
*/

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
}

.calendar-header h1 {
    margin: 0;

    font-size: var(--font-size-2xl);
    line-height: var(--line-height-heading);

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

.calendar-header-description {
    margin:
        var(--spacing-2)
        0
        0;

    color: var(--text-secondary);

    line-height: 1.6;
}


/*
|--------------------------------------------------------------------------
| Filterbereich
|--------------------------------------------------------------------------
*/

.calendar-filter {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);

    padding: var(--spacing-5);

    border:
        var(--border-width)
        solid
        var(--border-color);

    border-radius: var(--radius-2xl);

    background: var(--background-surface);

    box-shadow: var(--shadow-md);
}

.calendar-filter-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-4);
}

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

    color: var(--text-primary);

    font-size: var(--font-size-lg);
    line-height: var(--line-height-heading);
}

.calendar-filter-header p {
    margin:
        var(--spacing-2)
        0
        0;

    color: var(--text-secondary);

    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.calendar-filter-reset {
    flex: 0 0 auto;

    color: var(--text-link);

    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
}

.calendar-filter-reset:hover {
    color: var(--text-link-hover);
}

.calendar-filter-form {
    display: grid;
    grid-template-columns:
        minmax(240px, 2fr)
        repeat(3, minmax(170px, 1fr));
    gap: var(--spacing-4);
    align-items: end;
}

.calendar-filter-field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);

    min-width: 0;
}

.calendar-filter-field label {
    color: var(--text-secondary);

    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.calendar-filter-field input,
.calendar-filter-field select {
    width: 100%;
    min-height: 44px;

    padding:
        var(--spacing-2)
        var(--spacing-3);

    border:
        var(--border-width)
        solid
        var(--border-color-strong);

    border-radius: var(--radius-lg);

    background: var(--background-surface-strong);

    color: var(--text-primary);

    font: inherit;

    transition:
        border-color var(--transition-base),
        background var(--transition-base),
        box-shadow var(--transition-base);
}

.calendar-filter-field input::placeholder {
    color: var(--text-muted);
}

.calendar-filter-field input:hover,
.calendar-filter-field select:hover {
    border-color: var(--color-primary-500);
}

.calendar-filter-field input:focus,
.calendar-filter-field select:focus {
    border-color: var(--color-primary-500);

    outline: 0;

    box-shadow:
        0
        0
        0
        3px
        rgba(59, 130, 246, 0.22);
}

.calendar-filter-field input[type="date"] {
    color-scheme: dark;
}

.calendar-filter-actions {
    display: flex;
    align-items: flex-end;
}

.calendar-filter-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 100%;
    min-height: 44px;

    padding:
        var(--spacing-2)
        var(--spacing-5);

    border:
        var(--border-width)
        solid
        var(--color-primary-500);

    border-radius: var(--radius-lg);

    background: var(--color-primary-600);

    color: var(--color-white);

    font: inherit;
    font-weight: var(--font-weight-semibold);

    cursor: pointer;

    transition:
        background var(--transition-base),
        border-color var(--transition-base),
        transform var(--transition-fast);
}

.calendar-filter-submit:hover {
    border-color: var(--color-primary-400);

    background: var(--color-primary-500);

    transform: translateY(-1px);
}

.calendar-filter-submit:focus-visible {
    outline:
        3px
        solid
        rgba(59, 130, 246, 0.35);

    outline-offset: 2px;
}

.calendar-filter-result {
    margin: 0;

    padding-top: var(--spacing-4);

    border-top:
        var(--border-width)
        solid
        var(--border-color);

    color: var(--text-secondary);

    font-size: var(--font-size-sm);
}


/*
|--------------------------------------------------------------------------
| Kalendercontainer
|--------------------------------------------------------------------------
*/

.calendar {
    overflow: hidden;

    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-2xl);

    background: var(--background-surface);

    box-shadow: var(--shadow-md);
}


/*
|--------------------------------------------------------------------------
| Monatsnavigation
|--------------------------------------------------------------------------
*/

.calendar-navigation {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--spacing-4);

    padding: var(--spacing-5);

    border-bottom:
        var(--border-width)
        solid
        var(--border-color);

    background: var(--background-surface-strong);
}

.calendar-navigation-title {
    margin: 0;

    text-align: center;

    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);

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

.calendar-navigation-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-width: 44px;
    min-height: 44px;

    padding:
        var(--spacing-2)
        var(--spacing-4);

    border:
        var(--border-width)
        solid
        var(--border-color-strong);

    border-radius: var(--radius-lg);

    background: var(--background-surface-hover);

    color: var(--text-primary);

    font: inherit;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;

    cursor: pointer;

    transition:
        background var(--transition-base),
        border-color var(--transition-base),
        color var(--transition-base);
}

.calendar-navigation-button:hover {
    border-color: var(--color-primary-500);

    background: var(--color-primary-600);

    color: var(--color-white);
}

.calendar-navigation-button:focus-visible {
    outline:
        3px
        solid
        rgba(59, 130, 246, 0.35);

    outline-offset: 2px;
}


/*
|--------------------------------------------------------------------------
| Wochentage
|--------------------------------------------------------------------------
*/

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

    border-bottom:
        var(--border-width)
        solid
        var(--border-color);
}

.calendar-weekday {
    padding:
        var(--spacing-3)
        var(--spacing-2);

    text-align: center;

    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);

    color: var(--text-secondary);

    background: rgba(255, 255, 255, 0.03);
}

.calendar-weekday:not(:last-child) {
    border-right:
        var(--border-width)
        solid
        var(--border-color);
}


/*
|--------------------------------------------------------------------------
| Kalenderraster
|--------------------------------------------------------------------------
*/

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

.calendar-day {
    position: relative;

    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);

    min-width: 0;
    min-height: 145px;

    padding: var(--spacing-3);

    border-right:
        var(--border-width)
        solid
        var(--border-color);

    border-bottom:
        var(--border-width)
        solid
        var(--border-color);

    background: rgba(15, 23, 42, 0.35);

    transition:
        background var(--transition-base),
        border-color var(--transition-base);
}

.calendar-day:nth-child(7n) {
    border-right: 0;
}

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

.calendar-day.is-outside-month {
    background: rgba(2, 6, 23, 0.3);

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

.calendar-day.is-today {
    box-shadow:
        inset
        0
        0
        0
        2px
        var(--color-primary-500);
}

.calendar-day.has-events {
    background: rgba(30, 41, 59, 0.72);
}


/*
|--------------------------------------------------------------------------
| Tagesnummer
|--------------------------------------------------------------------------
*/

.calendar-day-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 32px;
    height: 32px;

    border-radius: var(--radius-round);

    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);

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

.calendar-day.is-today .calendar-day-number {
    background: var(--color-primary-600);

    color: var(--color-white);
}

.calendar-day.is-outside-month .calendar-day-number {
    opacity: 0.55;
}


/*
|--------------------------------------------------------------------------
| Events
|--------------------------------------------------------------------------
*/

.calendar-events {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);

    min-width: 0;
}

.calendar-event {
    display: block;

    overflow: hidden;

    padding:
        var(--spacing-2)
        var(--spacing-3);

    border-left:
        4px
        solid
        var(
            --calendar-event-color,
            var(--theme-events)
        );

    border-radius: var(--radius-md);

    background: rgba(255, 255, 255, 0.07);

    color: var(--text-primary);

    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
    text-decoration: none;
    text-overflow: ellipsis;
    white-space: nowrap;

    transition:
        background var(--transition-base),
        transform var(--transition-fast);
}

.calendar-event:hover {
    background: rgba(255, 255, 255, 0.13);

    transform: translateY(-1px);
}

.calendar-event-time {
    margin-right: var(--spacing-1);

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

.calendar-event-title {
    color: inherit;
}


/*
|--------------------------------------------------------------------------
| Leerer Zustand
|--------------------------------------------------------------------------
*/

.calendar-empty {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);

    padding: var(--spacing-6);

    border-bottom:
        var(--border-width)
        solid
        var(--border-color);

    text-align: center;

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

.calendar-empty strong {
    color: var(--text-primary);

    font-size: var(--font-size-md);
}


/*
|--------------------------------------------------------------------------
| Responsive Darstellung
|--------------------------------------------------------------------------
*/

@media (max-width: 1200px) {
    .calendar-filter-form {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .calendar-filter-field-search {
        grid-column: span 2;
    }
}

@media (max-width: 900px) {
    .calendar-filter-form {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .calendar-filter-field-search {
        grid-column: 1 / -1;
    }

    .calendar {
        overflow-x: auto;
    }

    .calendar-weekdays,
    .calendar-grid {
        min-width: 760px;
    }

    .calendar-day {
        min-height: 125px;
    }
}

@media (max-width: 600px) {
    .calendar-page {
        gap: var(--spacing-4);
    }

    .calendar-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .calendar-header h1 {
        font-size: var(--font-size-xl);
    }

    .calendar-filter {
        gap: var(--spacing-4);

        padding: var(--spacing-4);
    }

    .calendar-filter-header {
        flex-direction: column;
    }

    .calendar-filter-form {
        grid-template-columns: 1fr;
    }

    .calendar-filter-field-search {
        grid-column: auto;
    }

    .calendar-navigation {
        gap: var(--spacing-2);

        padding: var(--spacing-3);
    }

    .calendar-navigation-title {
        font-size: var(--font-size-md);
    }

    .calendar-navigation-button {
        min-width: 40px;
        min-height: 40px;

        padding:
            var(--spacing-2)
            var(--spacing-3);
    }
}