/**
 * filter.css — Filter section cards, labels, checkboxes, day grid,
 * time/duration range inputs, AM/PM toggle, and collapsible filter panel.
 */

/* ── Filter section card ── */
.filter-card {
    border-width: 1px;
    border-style: solid;
    border-color: var(--color-primary-200);
    border-radius: 0.5rem;
    padding: 0.75rem;
    margin-bottom: 0.75rem;
}

.filter-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-navy);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.filter-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
    padding: 0.125rem 0;
}

.filter-label > span {
    font-size: 0.75rem;
    color: var(--color-gray-700);
}

input[type="checkbox"].filter-check,
input[type="radio"].filter-radio {
    accent-color: var(--color-navy);
    width: 0.875rem;
    height: 0.875rem;
}

/* ── Day filter toggle buttons ── */
.filter-day-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.filter-day-btn {
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 0.1875rem 0.4375rem;
    border-radius: 9999px;
    border: 1px solid var(--color-primary-300);
    background-color: var(--color-surface);
    color: var(--color-gray-600);
    cursor: pointer;
    white-space: nowrap;
    transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}

.filter-day-btn.is-active {
    background-color: var(--color-navy);
    color: var(--color-surface);
    border-color: var(--color-navy);
}

.filter-day-btn:hover:not(.is-active) {
    background-color: var(--color-primary-100);
    border-color: var(--color-primary-400);
}

/* ── Filter card title row (title + inline control) ── */
.filter-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.filter-title-row .filter-title {
    margin-bottom: 0;
}

/* ── Time mode toggle button ── */
.filter-mode-btn {
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 0.1875rem 0.5rem;
    border-radius: 9999px;
    border: 1px solid var(--color-navy);
    background-color: var(--color-navy);
    color: var(--color-surface);
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color 0.15s;
}

.filter-mode-btn:hover {
    background-color: var(--color-navy-dark);
}

/* ── Time and duration range row ── */
.filter-range-row {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-wrap: nowrap;
}

.filter-range-row > div {
    display: flex;
    align-items: center;
    gap: 0.125rem;
}

.filter-range-input {
    width: 2.5rem;
    font-size: 0.75rem;
    text-align: center;
    border: 1px solid var(--color-primary-300);
    border-radius: 0.25rem;
    padding: 0.125rem 0.25rem;
    background-color: var(--color-surface);
    color: var(--color-gray-700);
    -moz-appearance: textfield;
    appearance: textfield;
}

.filter-range-input::-webkit-inner-spin-button,
.filter-range-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.filter-range-input:focus {
    outline: none;
    border-color: var(--color-navy);
}

.filter-range-row > span {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    flex-shrink: 0;
}

.filter-range-row > span:first-of-type {
    padding: 0 0.0625rem;
}

.filter-range-row > span:last-of-type {
    margin-left: 0.125rem;
}

/* ── AM / PM toggle button ── */
.filter-ampm-btn {
    font-size: 0.625rem;
    font-weight: 600;
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    border: 1px solid var(--color-primary-300);
    background-color: var(--color-primary-50);
    color: var(--color-navy);
    cursor: pointer;
    transition: background-color 0.15s;
}

.filter-ampm-btn:hover {
    background-color: var(--color-primary-100);
}

/* ── Collapsible filter panel ── */

/* Expanded state: relative positioning anchors the close button.
 * Extra top padding reserves space so the first filter card clears the button. */
.filter-panel[data-collapsed="false"] {
    position: relative;
    padding-top: 2.5rem;
}

/* Close button — top-right X to collapse the panel. */
.filter-panel-close {
    position: absolute;
    top: 0.375rem;
    right: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    background-color: var(--color-error-bg);
    cursor: pointer;
    color: var(--color-error-text);
    border-radius: 0.25rem;
    transition: color 0.15s, background-color 0.15s, border-color 0.15s;
    z-index: 1;
}

.filter-panel-close:hover {
    color: var(--color-error-hover);
    background-color: var(--color-error-bg-light);
}

/* Collapsed state: narrow strip with overflow hidden. */
.filter-panel[data-collapsed="true"] {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

/* Hide all real DOM children when collapsed.
 * ::before is a pseudo-element, not a DOM child, so it is unaffected. */
.filter-panel[data-collapsed="true"] > * {
    display: none;
}

/* Left-pointing chevron arrow indicating the panel can be expanded. */
.filter-panel[data-collapsed="true"]::before {
    content: '\2039';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1;
    color: var(--color-navy);
}

/* ── Mobile overrides ── */
@media (max-width: 640px) {
    input[type="checkbox"].filter-check,
    input[type="radio"].filter-radio {
        width: 1.125rem;
        height: 1.125rem;
    }
}