/* ==========================================================================
   GoblinExchange Codex — Filter Panel Component
   ========================================================================== */

/* Toggle button */
.filter-toggle-btn {
    display: inline-flex; align-items: center; gap: 0.375rem;
    padding: 0.375rem 0.75rem; font-size: 0.8125rem; font-weight: 500;
    border-radius: var(--radius-sm); border: 1px solid var(--border-default);
    background: var(--bg-elevated); color: var(--text-secondary);
    cursor: pointer; transition: all 0.15s; position: relative;
}
.filter-toggle-btn:hover { border-color: var(--brand); color: var(--text-primary); }
.filter-toggle-btn.active { border-color: var(--brand); color: var(--brand); background: var(--brand-soft); }

.filter-count-badge {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 18px; height: 18px; padding: 0 4px;
    font-size: 0.625rem; font-weight: 700; line-height: 1;
    background: var(--brand); color: #000; border-radius: 9px;
}
.filter-count-badge--hidden {
    visibility: hidden;
}

/* Collapsible filter panel */
.filter-panel {
    display: grid; grid-template-rows: 0fr;
    transition: grid-template-rows 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 0;
}
.filter-panel.open {
    grid-template-rows: 1fr;
    margin-bottom: 0.75rem;
}
.filter-panel-inner {
    overflow: hidden;
}
.filter-panel-body {
    padding: 0.875rem 0;
    display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: flex-start;
}

/* Filter groups */
.filter-group {
    display: flex; flex-direction: column; gap: 0.375rem; min-width: 140px;
}
.filter-group-label {
    font-size: 0.625rem; text-transform: uppercase; letter-spacing: 0.08em;
    font-weight: 700; color: var(--text-disabled);
}

/* Price / IL range inputs */
.filter-range {
    display: flex; align-items: center; gap: 0.375rem;
}
.filter-range-input {
    width: 80px; padding: 0.3125rem 0.5rem;
    font-size: 0.75rem; font-family: var(--font-mono, 'JetBrains Mono', monospace);
    background: var(--bg-surface, #111); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm); color: var(--text-primary);
    transition: border-color 0.15s;
}
.filter-range-input:focus { outline: none; border-color: var(--brand); }
.filter-range-sep { font-size: 0.75rem; color: var(--text-disabled); }

/* Checkbox rows */
.filter-check-row {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.25rem 0; cursor: pointer; user-select: none;
}
.filter-check-row input[type="checkbox"] {
    width: 14px; height: 14px; accent-color: var(--brand); cursor: pointer; flex-shrink: 0;
}
.filter-check-label {
    font-size: 0.75rem; color: var(--text-muted); transition: color 0.15s;
}
.filter-check-row:hover .filter-check-label { color: var(--text-secondary); }
.filter-check-row input:checked + .filter-check-label { color: var(--text-primary); }

/* Quality selector */
.filter-quality-row {
    display: flex; gap: 0.375rem; flex-wrap: wrap;
}
.filter-quality-btn {
    padding: 0.25rem 0.625rem; font-size: 0.6875rem; font-weight: 600;
    border-radius: 4px; border: 1px solid transparent; cursor: pointer;
    transition: all 0.12s; background: var(--bg-elevated);
}
.filter-quality-btn.q0 { color: #9d9d9d; border-color: #9d9d9d22; }
.filter-quality-btn.q1 { color: #ffffff; border-color: #ffffff22; }
.filter-quality-btn.q2 { color: #1eff00; border-color: #1eff0022; }
.filter-quality-btn.q3 { color: #0070dd; border-color: #0070dd22; }
.filter-quality-btn.q4 { color: #a335ee; border-color: #a335ee22; }
.filter-quality-btn.q5 { color: #ff8000; border-color: #ff800022; }
.filter-quality-btn.active { border-color: currentColor; box-shadow: inset 0 0 0 1px currentColor; }
/* Explicit color on active — prevents Tailwind Preflight / UA override */
.filter-quality-btn.q0.active { color: #9d9d9d; background: #9d9d9d14; }
.filter-quality-btn.q1.active { color: #ffffff; background: #ffffff14; }
.filter-quality-btn.q2.active { color: #1eff00; background: #1eff0014; }
.filter-quality-btn.q3.active { color: #0070dd; background: #0070dd14; }
.filter-quality-btn.q4.active { color: #a335ee; background: #a335ee14; }
.filter-quality-btn.q5.active { color: #ff8000; background: #ff800014; }

/* Reset link */
.filter-reset-btn {
    font-size: 0.75rem; color: var(--text-disabled); background: none; border: none;
    cursor: pointer; padding: 0.25rem 0.5rem; border-radius: 4px; transition: color 0.15s;
    align-self: flex-end; margin-left: auto;
}
.filter-reset-btn:hover { color: var(--negative); }

/* Anchored filter popover */
body.ge-filter-lock {
    overflow: visible;
}

.filter-popover-wrap {
    position: relative;
    display: inline-flex;
}

.filter-modal-backdrop {
    display: contents;
}

.filter-modal {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    z-index: 90;
    width: min(760px, calc(100vw - 28px));
    max-height: min(76vh, 720px);
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    overflow: hidden;
    border-radius: 16px;
    border: 1px solid rgba(244, 196, 48, 0.16);
    background:
        linear-gradient(180deg, rgba(22, 22, 22, 0.98), rgba(5, 5, 5, 0.99)),
        #060606;
    box-shadow:
        0 22px 70px rgba(0, 0, 0, 0.62),
        0 0 0 1px rgba(255, 255, 255, 0.035),
        inset 0 1px 0 rgba(255, 255, 255, 0.055);
}

.filter-modal::before {
    content: "";
    position: absolute;
    top: -6px;
    left: 28px;
    width: 12px;
    height: 12px;
    transform: rotate(45deg);
    border-left: 1px solid rgba(244, 196, 48, 0.16);
    border-top: 1px solid rgba(244, 196, 48, 0.16);
    background: rgba(22, 22, 22, 0.98);
}

.filter-modal-header,
.filter-modal-footer {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.filter-modal-footer {
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    border-bottom: none;
    background: rgba(0, 0, 0, 0.28);
}

.filter-modal-heading {
    min-width: 0;
}

.filter-modal-body {
    display: grid;
    grid-template-columns: minmax(220px, 0.85fr) minmax(280px, 1fr);
    gap: 12px;
    overflow-y: auto;
    padding: 14px;
}

.filter-panel-section {
    min-width: 0;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.065);
    border-radius: 12px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012)),
        rgba(255, 255, 255, 0.018);
}

.filter-panel-section--quality,
.filter-panel-section--wide {
    grid-column: 1 / -1;
}

.filter-section-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.filter-section-icon {
    display: inline-flex;
    width: 24px;
    height: 24px;
    flex: 0 0 24px;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 1px solid rgba(244, 196, 48, 0.16);
    background: rgba(244, 196, 48, 0.06);
    color: var(--brand, #f4c430);
}

.filter-modal-eyebrow {
    margin-bottom: 5px;
    color: var(--brand, #f4c430);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.14em;
    line-height: 1;
    text-transform: uppercase;
}

.filter-modal-title {
    margin: 0;
    color: var(--text-primary, #fafafa);
    font-family: var(--font-display, inherit);
    font-size: 18px;
    line-height: 1.15;
}

.filter-modal-copy {
    margin: 7px 0 0;
    max-width: 58ch;
    font-size: 12.5px;
    line-height: 1.45;
    color: var(--text-muted, #9ca3af);
}

.filter-modal-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.035);
    color: var(--text-secondary, #d4d4d8);
    cursor: pointer;
    transition: border-color 0.16s ease, color 0.16s ease, background 0.16s ease;
}

.filter-modal-close:hover,
.filter-modal-close:focus-visible {
    border-color: rgba(244, 196, 48, 0.3);
    background: rgba(244, 196, 48, 0.08);
    color: var(--brand, #f4c430);
    outline: none;
}

.filter-modal .filter-group-label {
    color: var(--text-secondary, #c7c7c7);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.filter-modal .filter-quality-row {
    gap: 8px;
}

.filter-modal .filter-quality-btn {
    min-height: 30px;
    padding: 0 10px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
}

.filter-modal .filter-range {
    gap: 8px;
}

.filter-modal .filter-range-input {
    width: 100%;
    min-width: 0;
    height: 38px;
    padding: 0 11px;
    border-radius: 10px;
    border-color: rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.26);
    font-size: 12px;
}

.filter-modal .filter-range-input:focus {
    border-color: rgba(244, 196, 48, 0.42);
    background: rgba(0, 0, 0, 0.38);
}

.filter-select {
    width: 100%;
    min-height: 38px;
    padding: 0.5rem 0.75rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.26);
    color: var(--text-primary, #f5f5f5);
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.filter-select:focus {
    border-color: rgba(244, 196, 48, 0.42);
    background: rgba(0, 0, 0, 0.38);
}

.filter-select option {
    background: #111111;
    color: #e5e5e5;
}

.filter-option-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.filter-modal .filter-check-row {
    min-height: 38px;
    padding: 8px 10px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.18);
    transition: border-color 0.15s ease, background 0.15s ease;
}

.filter-modal .filter-check-row:hover {
    border-color: rgba(244, 196, 48, 0.18);
    background: rgba(244, 196, 48, 0.045);
}

.filter-modal .filter-check-row input[type="checkbox"] {
    width: 15px;
    height: 15px;
}

.filter-modal .filter-check-label {
    min-width: 0;
    color: var(--text-secondary, #d4d4d8);
    font-size: 12.5px;
    line-height: 1.2;
}

.filter-modal-actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.filter-secondary-btn,
.filter-primary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 14px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.035);
    color: var(--text-secondary, #d4d4d8);
    font-size: 12px;
    font-weight: 750;
    cursor: pointer;
    transition: border-color 0.16s ease, color 0.16s ease, background 0.16s ease;
}

.filter-secondary-btn:hover,
.filter-secondary-btn:focus-visible {
    border-color: rgba(255, 255, 255, 0.14);
    color: var(--text-primary, #fafafa);
    outline: none;
}

.filter-primary-btn {
    border-color: rgba(244, 196, 48, 0.35);
    background: rgba(244, 196, 48, 0.12);
    color: var(--text-primary, #fafafa);
}

.filter-primary-btn:hover,
.filter-primary-btn:focus-visible {
    border-color: rgba(244, 196, 48, 0.58);
    background: rgba(244, 196, 48, 0.18);
    filter: none;
    box-shadow: none;
    outline: none;
}

.filter-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 56px 24px;
    border-radius: 20px;
    border: 1px dashed rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.01);
    text-align: center;
}

.filter-empty-state__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-default);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
}

.filter-empty-state h2 {
    margin: 0;
    font-size: 18px;
    color: #f5f5f5;
}

.filter-empty-state p {
    margin: 0;
    max-width: 46ch;
    font-size: 13px;
    line-height: 1.6;
    color: #9ca3af;
}

@media (max-width: 767px) {
    .filter-modal {
        left: min(0px, calc(100vw - 100%));
        width: min(calc(100vw - 24px), 560px);
        max-height: calc(100vh - 124px);
        border-radius: 14px;
    }

    .filter-modal-body {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .filter-modal-header,
    .filter-modal-footer,
    .filter-modal-body {
        padding-left: 14px;
        padding-right: 14px;
    }

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

    .filter-modal-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-modal-actions {
        width: 100%;
    }

    .filter-modal-actions > * {
        flex: 1 1 0;
    }
}