/* ============================================================
   archive.css — merged archive bundle (Phase 15)
   Source files (cascade order):
     1. archive-layout.css (foundation)
     2. filter-bar.css (depends on archive-layout)
     3. filter-chips.css
     4. sort-bar.css (depends on archive-layout)
   ============================================================ */

/* ---- 1. archive-layout.css ---- */
.archive-layout {
    padding: 24px 16px 64px;
    max-width: 1280px;
    margin: 0 auto;
}
.archive-layout__header {
    margin-bottom: 24px;
}
.archive-layout__title {
    font-size: 32px;
    color: var(--color-secondary);
    margin: 0 0 8px;
}
.archive-layout__lead {
    color: var(--color-text-muted);
    font-size: 16px;
    line-height: 1.5;
}
.archive-layout__body {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 32px;
    align-items: start;
}
.archive-layout__main {
    min-width: 0;
}
.archive-layout__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 16px;
}
@media (max-width: 900px) {
    .archive-layout__body {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .archive-layout__title { font-size: 26px; }
    .archive-layout__grid { gap: 12px; }
}

.empty-state {
    padding: 48px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    text-align: center;
    margin-top: 24px;
}
.empty-state__title {
    font-size: 22px;
    color: var(--color-secondary);
    margin: 0 0 12px;
}
.empty-state__lead {
    color: var(--color-text-muted);
    margin: 0 0 24px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}
.empty-state__actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---- 2. filter-bar.css ---- */
.filter-bar {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 20px;
    position: sticky;
    top: 16px;
}
.filter-bar__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}
.filter-bar__title {
    font-size: 18px;
    color: var(--color-secondary);
    margin: 0;
}
.filter-bar__clear {
    color: var(--color-primary);
    font-size: 13px;
    text-decoration: none;
    font-weight: 500;
}
.filter-bar__clear:hover {
    text-decoration: underline;
}
.filter-bar__form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.filter-bar__group {
    border: 0;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.filter-bar__group legend {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    padding: 0;
    margin-bottom: 6px;
}
.filter-bar__radio,
.filter-bar__check {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--color-text);
    cursor: pointer;
}
.filter-bar__radio input,
.filter-bar__check input {
    accent-color: var(--color-primary);
}
.filter-bar__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.filter-bar__field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.filter-bar__field-label {
    font-size: 12px;
    color: var(--color-text-muted);
}
.filter-bar__field input {
    width: 100%;
    padding: 8px 10px;
    font-size: 14px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-bg);
    color: var(--color-text);
}
.filter-bar__field input:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: -1px;
}
.filter-bar__actions {
    margin-top: 4px;
}
.filter-bar__actions .btn {
    width: 100%;
}
@media (max-width: 900px) {
    .filter-bar {
        position: static;
    }
}

/* P2 — counts and hints */
.filter-bar__num {
    color: var(--color-text-muted, #6E6E73);
    font-style: normal;
    font-size: 0.85em;
    margin-left: 0.15em;
}
.filter-bar__hint {
    color: var(--color-primary, #1B6B3A);
    font-style: italic;
    font-size: 0.75em;
    margin-left: 0.25em;
}
.filter-bar__count {
    color: var(--color-primary, #1B6B3A);
    font-weight: 600;
    margin-left: 0.25em;
}
.filter-bar__clear-row {
    text-align: right;
    margin-bottom: 12px;
}

/* P3 — collapsible <details> */
.filter-bar__details {
    margin: 0;
    padding: 0;
}
.filter-bar__details > .filter-bar__summary {
    list-style: none;
    cursor: default;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border, #DDD9D3);
    margin-bottom: 16px;
}
.filter-bar__details > .filter-bar__summary::-webkit-details-marker {
    display: none;
}
.filter-bar__details > .filter-bar__summary > .filter-bar__title {
    margin: 0;
}
.filter-bar__chevron {
    display: none;
    width: 14px;
    height: 14px;
    border-right: 2px solid var(--color-text, #1C1C1E);
    border-bottom: 2px solid var(--color-text, #1C1C1E);
    transform: rotate(45deg);
    transition: transform 0.2s ease;
}
.filter-bar__details[open] > .filter-bar__summary > .filter-bar__chevron {
    transform: rotate(-135deg);
}

@media (max-width: 900px) {
    .filter-bar {
        position: static;
        padding: 0;
    }
    .filter-bar__details > .filter-bar__summary {
        cursor: pointer;
        padding: 16px 20px;
        margin-bottom: 0;
        border-bottom: 0;
        background: var(--color-surface, #fff);
        border-radius: 8px;
    }
    .filter-bar__chevron {
        display: inline-block;
    }
    .filter-bar__details[open] > .filter-bar__summary {
        border-bottom: 1px solid var(--color-border, #DDD9D3);
        border-radius: 8px 8px 0 0;
    }
    .filter-bar__details[open] > .filter-bar__form,
    .filter-bar__details[open] > .filter-bar__clear-row {
        padding: 16px 20px;
        background: var(--color-surface, #fff);
        border-radius: 0 0 8px 8px;
    }
    .filter-bar__form {
        margin: 0;
    }
}

/* ---- 3. filter-chips.css ---- */
.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin: 0 0 12px;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px 5px 12px;
    background: var(--color-bg, #F7F5F0);
    border: 1px solid var(--color-border, #DDD9D3);
    border-radius: 999px;
    font-size: 13px;
    color: var(--color-text, #1C1C1E);
    text-decoration: none;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.filter-chip:hover {
    background: var(--color-surface, #fff);
    border-color: var(--color-primary, #1B6B3A);
    color: var(--color-primary, #1B6B3A);
}

.filter-chip__x {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(0,0,0,0.08);
    font-size: 14px;
    line-height: 1;
    color: inherit;
    transition: background-color 0.15s ease;
}

.filter-chip:hover .filter-chip__x {
    background: var(--color-primary, #1B6B3A);
    color: #fff;
}

.filter-chips__clear {
    margin-left: auto;
    font-size: 13px;
    color: var(--color-text-muted, #6E6E73);
    text-decoration: none;
}

.filter-chips__clear:hover {
    color: var(--color-primary, #1B6B3A);
    text-decoration: underline;
}

@media (max-width: 600px) {
    .filter-chips__clear {
        margin-left: 0;
        width: 100%;
        text-align: right;
    }
}

/* ---- 4. sort-bar.css ---- */
.sort-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    margin-bottom: 16px;
}
.sort-bar__count {
    font-size: 14px;
    color: var(--color-text-muted);
    font-weight: 500;
}
.sort-bar__form {
    display: flex;
    align-items: center;
    gap: 8px;
}
.sort-bar__label {
    font-size: 13px;
    color: var(--color-text-muted);
}
.sort-bar__form select {
    padding: 6px 10px;
    font-size: 14px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
}
@media (max-width: 600px) {
    .sort-bar {
        flex-direction: column;
        align-items: stretch;
    }
}


/* ---- archive-hero ---- */
.archive-hero {
    background: linear-gradient(135deg, var(--color-primary, #1B6B3A) 0%, var(--color-primary-hover, #145430) 100%);
    color: #fff;
    padding: clamp(3rem, 8vw, 6rem) 0;
}

.archive-hero__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.archive-hero__title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 700;
    margin: 0 0 1rem;
    line-height: 1.15;
    color: #fff;
}

.archive-hero__meta {
    font-size: 15px;
    opacity: .75;
    margin: 0;
}

.archive-hero__cta {
    display: inline-flex;
    align-items: center;
    padding: 10px 22px;
    background: var(--color-primary, #1B6B3A);
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    flex-shrink: 0;
    transition: background .15s, transform .12s;
}

.archive-hero__cta:hover {
    background: var(--color-primary-hover, #145430);
    transform: translateY(-1px);
}

@media (max-width: 600px) {
    .archive-hero { padding: 32px 0; }