/* --- Responsive Media Queries --- */
@media (max-width: 900px) {
    .drawer.open {
        width: 100%;
        max-width: none;
    }
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 1000;
        transform: translateY(-100%);
        transition: transform 0.3s ease;
        max-height: 100vh;
        overflow-y: auto;
    }

    .sidebar.open {
        transform: translateY(0);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }

    .mobile-nav-toggle {
        display: flex !important;
        position: fixed;
        top: 20px;
        left: 20px;
        z-index: 1001;
        background: var(--bg-panel);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        padding: 8px;
        color: var(--text-main);
        cursor: pointer;
        box-shadow: var(--card-shadow);
    }

    .main-content {
        padding: 80px 20px 20px 20px !important;
        /* Make room for mobile toggle */
        height: 100vh;
    }

    .topbar {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 16px;
    }

    .search-bar {
        width: 100% !important;
    }

    .filter-toolbar {
        padding: 12px 20px !important;
        flex-direction: column !important;
        align-items: flex-start !important;
    }

    .filter-toolbar-controls {
        flex-wrap: wrap !important;
        gap: 10px !important;
    }

    .filter-clear-btn {
        margin-left: 0 !important;
    }
}

/* ============================================================
   FILTER & SORT TOOLBAR
   ============================================================ */

.filter-toolbar {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px 48px;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 81px;
    /* sits just below the topbar */
    z-index: 4;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.04);
}

.filter-toolbar-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 16px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-faint);
}

.filter-select {
    appearance: none;
    -webkit-appearance: none;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    padding: 7px 28px 7px 10px;
    cursor: pointer;
    box-shadow: var(--inset-shadow);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 256 256'%3E%3Cpath fill='%2394a3b8' d='M213.66 101.66l-80 80a8 8 0 0 1-11.32 0l-80-80a8 8 0 0 1 11.32-11.32L128 164.69l74.34-74.35a8 8 0 0 1 11.32 11.32Z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    min-width: 150px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.filter-select:focus {
    outline: none;
    border-color: var(--accent-red);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12), var(--inset-shadow);
}

.filter-select:hover {
    border-color: rgba(0, 0, 0, 0.18);
}

.range-inputs {
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-input {
    appearance: none;
    -webkit-appearance: none;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    padding: 7px 10px;
    width: 76px;
    box-shadow: var(--inset-shadow);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.filter-input:focus {
    outline: none;
    border-color: var(--accent-red);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12), var(--inset-shadow);
}

.range-sep {
    color: var(--text-faint);
    font-size: 14px;
    font-weight: 500;
}

.filter-clear-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-left: auto;
    padding: 7px 12px;
    border: 1px solid rgba(34, 211, 238, 0.25);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--accent-red);
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    align-self: flex-end;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.filter-clear-btn:hover {
    background-color: rgba(34, 211, 238, 0.06);
    border-color: var(--accent-red);
}

/* --- Dynamic Attribute Filters --- */
.dynamic-filters-container {
    display: contents;  /* flows children into parent flexbox */
}

.dynamic-filters-separator {
    width: 1px;
    height: 28px;
    background: var(--border-color);
    margin: 0 2px;
    align-self: flex-end;
    margin-bottom: 6px;
}

/* Range filters in dynamic container */
.filter-group--range .range-inputs {
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-group--range .filter-input {
    width: 68px;
}