/* ==============================================
   CARDS COMPONENT
   ============================================== */

/* ==============================================
   BASE CARD SURFACE
   ============================================== */

.card {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-standard);
    padding: var(--space-md);
}

.card.selected {
    border: 1px solid var(--text-primary);
}

/* ==============================================
   SHARED STACKED CARD SHELL
   ============================================== */

:is(.card-panel, .exercise-snacks-tracker-card) {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    width: 100%;
    padding: var(--space-md);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-standard);
}

:is(.card-panel__header, .exercise-snacks-tracker-card__header) {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    gap: var(--space-sm);
    min-width: 0;
}

:is(.card-panel__title, .exercise-snacks-tracker-card__title) {
    --text-optical-line-height: var(--text-optical-sqrt-phi);

    margin: 0;
    color: var(--text-primary);
    font-size: var(--text-base);
    font-weight: var(--font-weight-medium);
    line-height: var(--text-optical-line-height);
}

:is(.card-panel__title-button, .exercise-snacks-tracker-card__title-button) {
    --text-optical-line-height: var(--text-optical-sqrt-phi);

    display: block;
    flex: 1 1 auto;
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
    appearance: none;
    -webkit-appearance: none;
    background: none;
    color: inherit;
    font: inherit;
    line-height: var(--text-optical-line-height);
    text-align: left;
    cursor: pointer;
}

.exercise-snacks-tracker-card__title-button {
    display: inline-flex;
    align-items: center;
}

.exercise-snacks-tracker-card__title-icon {
    width: 20px;
    height: 20px;
    flex: 0 0 auto;
    margin-right: var(--space-sm);
}

:is(.card-panel__body, .exercise-snacks-tracker-card__body) {
    --text-optical-line-height: var(--line-height-normal);

    margin: 0;
    color: var(--text-muted);
    font-size: var(--text-sm);
    line-height: var(--text-optical-line-height);
}

.card-panel__controls {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    min-width: 0;
}

/* ==============================================
   CARD-LOCAL CONTROL PRIMITIVES
   ============================================== */

:is(.card-control-group, .exercise-snacks-date-controls) {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    gap: var(--space-sm);
    margin-left: auto;
}

:is(.card-control, .card-control--icon, .exercise-snacks-date-controls__arrow) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    border: 1px solid transparent;
    border-radius: var(--radius-buttons);
    background-color: transparent;
    color: var(--text-primary);
    font-family: var(--font-primary, sans-serif);
    font-size: var(--text-base);
    line-height: var(--text-optical-sqrt-phi);
    cursor: pointer;
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast);
}

.card-control {
    --text-optical-line-height: var(--text-optical-sqrt-phi);
}

:is(.card-control, .card-control--icon, .exercise-snacks-date-controls__arrow):disabled,
:is(.card-control, .card-control--icon, .exercise-snacks-date-controls__arrow).is-disabled {
    cursor: default;
    color: var(--text-placeholder);
}

.exercise-snacks-date-controls__arrow {
    font-size: var(--text-sm);
}

.exercise-snacks-date-controls__arrow-icon {
    display: block;
    width: 1em;
    height: 1em;
    object-fit: contain;
    filter: invert(1);
    transition: opacity var(--transition-fast);
}

.exercise-snacks-date-controls__arrow:disabled .exercise-snacks-date-controls__arrow-icon,
.exercise-snacks-date-controls__arrow.is-disabled .exercise-snacks-date-controls__arrow-icon {
    opacity: 0.5;
}

:is(.card-control__label, .exercise-snacks-date-controls__label) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: calc(var(--space-2xl) + var(--space-lg));
    color: var(--text-muted);
    font-size: var(--text-sm);
    line-height: var(--line-height-tight);
    text-align: center;
}

/* ==============================================
   HOME ROW SIZING AND RESPONSIVE LAYOUT
   ============================================== */

.card-row {
    display: flex;
    gap: var(--space-sm);
    overflow-x: scroll;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.card-row::-webkit-scrollbar {
    display: none;
}

.row-vertical.card-row--always-scroll {
    display: flex;
    overflow-x: scroll;
    overflow-y: visible;
    grid-template-columns: none;
}

.card-hero {
    width: var(--card-hero-width);
    height: var(--card-hero-height);
}

.card-square {
    width: var(--card-square-size);
    height: var(--card-square-size);
}

.card-vertical {
    width: var(--card-vertical-width);
    height: var(--card-vertical-height);
}

.card-hero,
.card-square,
.card-vertical {
    position: relative;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: var(--card-radius);
}

@media (min-width: 768px) {

    .row-square,
    .row-vertical {
        display: grid;
        gap: var(--space-md);
        padding-inline: var(--space-md);
        overflow-x: visible;
    }

    .row-square {
        grid-template-columns: repeat(auto-fill, var(--card-square-size));
    }

    .row-vertical {
        grid-template-columns: repeat(auto-fill, var(--card-vertical-width));
    }

    .row-square .card-square,
    .row-vertical .card-vertical {
        width: 100%;
    }

    .row-vertical.card-row--always-scroll {
        display: flex;
        overflow-x: scroll;
        grid-template-columns: none;
    }

    .row-vertical.card-row--always-scroll .card-vertical {
        width: var(--card-vertical-width);
    }
}

@media (min-width: 1280px) {

    .row-hero,
    .row-square,
    .row-vertical {
        display: grid;
        gap: var(--space-md);
        padding-inline: var(--space-md);
        overflow-x: visible;
    }

    .row-hero {
        grid-template-columns: repeat(auto-fill, var(--card-hero-width));
    }

    .row-square {
        grid-template-columns: repeat(auto-fill, var(--card-square-size));
    }

    .row-vertical {
        grid-template-columns: repeat(auto-fill, var(--card-vertical-width));
    }

    .row-hero .card-hero,
    .row-square .card-square,
    .row-vertical .card-vertical {
        width: 100%;
    }

    .row-vertical.card-row--always-scroll {
        display: flex;
        overflow-x: scroll;
        grid-template-columns: none;
    }

    .row-vertical.card-row--always-scroll .card-vertical {
        width: var(--card-vertical-width);
    }
}

/* ==============================================
   LEGACY EXERCISE SNACKS ALIASES
   ============================================== */

.exercise-snacks-tracker-card__title-button:focus-visible,
.exercise-snacks-date-controls__arrow:focus-visible {
    outline: none;
}