/* ================================================================
   FILTER PANEL — Global quick-filter popup
   Namespace: .fp-*
   Z-index: 300 (nivel .panel-context-menu)
   ================================================================ */

/* Panel container */
.fp-panel {
    position: fixed;
    z-index: 300;
    background: var(--panel-bg, #1a2332);
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    border-radius: 8px;
    box-shadow: var(--shadow-lg, 0 8px 32px rgba(0, 0, 0, 0.5));
    width: 280px;
    max-height: 480px;
    overflow-y: auto;
    scrollbar-width: thin;
    font-size: 13px;
    color: var(--text-primary, #e2e8f0);
    outline: none;
}

/* Header */
.fp-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
    font-weight: 600;
    font-size: 13px;
    position: sticky;
    top: 0;
    background: var(--panel-bg, #1a2332);
    z-index: 1;
}

.fp-header .icon {
    flex-shrink: 0;
    opacity: 0.7;
}

.fp-header span:not(.icon) {
    flex: 1;
}

.fp-close-btn {
    background: none;
    border: none;
    color: var(--text-muted, rgba(255, 255, 255, 0.5));
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    padding: 2px 4px;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s;
}

.fp-close-btn:hover {
    color: var(--text-primary, #e2e8f0);
    background: var(--hover-bg, rgba(255, 255, 255, 0.08));
}

/* Section */
.fp-section {
    padding: 8px 12px 10px;
    border-bottom: 1px solid var(--border-color, rgba(255, 255, 255, 0.06));
}

.fp-section:last-of-type {
    border-bottom: none;
}

.fp-section-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted, rgba(255, 255, 255, 0.4));
    margin-bottom: 7px;
    font-weight: 600;
}

/* Chips */
.fp-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.fp-chip {
    padding: 3px 9px;
    border-radius: 12px;
    font-size: 12px;
    cursor: pointer;
    background: transparent;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.15));
    color: var(--text-muted, rgba(255, 255, 255, 0.5));
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    line-height: 1.4;
    user-select: none;
}

.fp-chip:hover {
    border-color: var(--accent-color, #4fc3f7);
    color: var(--text-primary, #e2e8f0);
}

.fp-chip--active {
    background: var(--accent-color, #4fc3f7);
    border-color: var(--accent-color, #4fc3f7);
    color: #fff;
}

.fp-chip--active:hover {
    background: var(--accent-hover, #29b6f6);
    border-color: var(--accent-hover, #29b6f6);
}

/* Empty state */
.fp-empty {
    padding: 20px 16px;
    text-align: center;
    color: var(--text-muted, rgba(255, 255, 255, 0.4));
    font-size: 12px;
}

/* Footer */
.fp-footer {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-top: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
    position: sticky;
    bottom: 0;
    background: var(--panel-bg, #1a2332);
    flex-wrap: wrap;
}

.fp-footer-btn {
    padding: 4px 10px;
    border-radius: 5px;
    font-size: 12px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    line-height: 1.4;
    white-space: nowrap;
}

.fp-footer-btn--secondary {
    background: transparent;
    border-color: var(--border-color, rgba(255, 255, 255, 0.15));
    color: var(--text-secondary, rgba(255, 255, 255, 0.7));
}

.fp-footer-btn--secondary:hover {
    background: var(--hover-bg, rgba(255, 255, 255, 0.08));
    color: var(--text-primary, #e2e8f0);
}

.fp-footer-btn--primary {
    background: var(--accent-color, #4fc3f7);
    border-color: var(--accent-color, #4fc3f7);
    color: #fff;
    margin-left: auto;
    font-weight: 500;
}

.fp-footer-btn--primary:hover {
    background: var(--accent-hover, #29b6f6);
    border-color: var(--accent-hover, #29b6f6);
}

/* Badge no botao HUD */
.fp-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 14px;
    height: 14px;
    background: var(--accent-color, #4fc3f7);
    color: #fff;
    border-radius: 7px;
    font-size: 9px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 2px;
    pointer-events: none;
    line-height: 1;
}

/* O botao HUD precisa de position:relative para o badge funcionar */
#filter-panel-btn {
    position: relative;
}